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341 Commits
v2.6.1 ... v4.0

Author SHA1 Message Date
Orange++
495a2a80e4 Merge pull request #92 from orange-cpp/feature/projection_utility 
added vcpkg integration
 2025-10-27 11:11:28 +03:00
Orange
6fbc010fa1 considered to switch to v4 2025-10-27 11:05:55 +03:00
Orange
c8f77de4f2 updated version 2025-10-27 10:59:30 +03:00
Orange
5c2d09b175 patch 2025-10-27 10:58:26 +03:00
Orange
b3646ab708 Adds default and artifact registries 
Configures the default Vcpkg registry and adds an artifact registry
for the microsoft catalog. This enables the tool to find and use
pre-built packages from the Microsoft catalog.
 2025-10-27 10:57:57 +03:00
Orange
d751eaf132 Adds Darwin build presets with Vcpkg support 
Adds new CMake presets for Darwin platforms, including debug and release configurations with optional Vcpkg integration.
This allows for easier builds on Darwin systems utilizing pre-built libraries from Vcpkg.
 2025-10-27 09:57:12 +03:00
Orange
62e7ccb054 Update CMake configuration for Vcpkg integration and feature enablement. 
Enables features and sets build configurations via Vcpkg manifest.
Adds new presets for Windows and Linux debug/release builds using Vcpkg.
Conditionally enables features (imgui, avx2, tests, benchmark) based on Vcpkg manifest features.
 2025-10-27 09:55:49 +03:00
Orange
4d9e055bb3 Fixes invalid NT header check in variant 
Ensures the NT header signature check uses a capture to avoid potential issues with variable scope.
 2025-10-27 09:22:00 +03:00
Orange
9be7ca886d Disables Vcpkg build override 
Disables the automatic override of build options by Vcpkg.

This prevents unintended consequences when using Vcpkg and allows for more control over the build process.
 2025-10-27 09:19:51 +03:00
Orange
30568f3633 Disables tests and benchmarks by default for VCPKG 
Changes the default state of `OMATH_BUILD_TESTS` and `OMATH_BUILD_BENCHMARK` to OFF when built via VCPKG.

Previously, these flags were inherited from the project's top level. This change ensures that these are explicitly enabled via VCPKG manifest features, providing better control over build configuration.
 2025-10-27 09:19:09 +03:00
Orange
5f22499b66 Links tests to gtest when available 
Conditionally links the test target to gtest when it is available,
rather than requiring the OMATH_BUILD_VIA_VCPKG flag to be false.
This allows for a more flexible test setup.
 2025-10-27 09:05:40 +03:00
Orange
f75afb8354 fix 2025-10-27 08:59:42 +03:00
Orange
e38df8bd23 Removes baseline from omath vcpkg.json 
Eliminates the `builtin-baseline` setting from the omath vcpkg.json file.
This setting is no longer necessary.
 2025-10-27 08:56:37 +03:00
Orange
ae347c8509 fix 2025-10-27 08:51:58 +03:00
Orange
ee40979a2d fix 2025-10-27 08:41:22 +03:00
Orange
69d0b7b829 fix 2025-10-27 08:37:55 +03:00
Orange
490ccfe983 fix 2025-10-27 08:36:48 +03:00
Orange
5630c2708e Update build system and enable VCPKG 
Migrates to CMake presets and enables VCPKG to manage dependencies.
Removes explicit submodule configuration.
Updates benchmark and googletest to be integrated or linked properly.
The goal is to ease the build process and reduce complexity related to linking and dependency management.
 2025-10-27 08:34:05 +03:00
Orange
ed7220dc9c Configures CMake for Vcpkg integration 
Sets up CMake presets to utilize the Vcpkg toolchain.

Specifies the Vcpkg root directory and manifest features.

Defines the installation directory for Vcpkg packages.

Forces the usage of Ninja as the make program.
 2025-10-27 08:11:13 +03:00
Orange
5e4fae9e42 Enables Vcpkg usage for CMake builds 
Configures CMake to utilize vcpkg for dependency management on both Linux and Windows platforms.
This ensures consistent build environments across different operating systems and simplifies the integration of external libraries.
 2025-10-27 08:07:25 +03:00
Orange
063f43e74c fix 2025-10-27 08:03:42 +03:00
Orange
171b4ca3da Adds Vcpkg setup to CI workflows 
Adds vcpkg setup for Arch Linux and Windows CI jobs.

This ensures consistent dependency management and builds via Vcpkg for both platforms and enables OMath to build via vcpkg.
Clones the vcpkg repository and bootstraps it during the job execution.
 2025-10-27 08:00:53 +03:00
Orange
878e3358c0 Adds vcpkg integration and updates build configuration 
Configures CMakePresets.json to utilize vcpkg for dependency management.
Adds support for building with vcpkg.

Adds error message for missing VCPKG_ROOT environment variable.
Adds explicit VCPKG_MANIFEST_FEATURES and VCPKG_INSTALLED_DIR to CMakePresets.json.
Adds benchmark dependency to vcpkg.json.
 2025-10-27 07:53:53 +03:00
Orange
81aef68143 Adds support for tests and benchmarks via Vcpkg features 
Enables building unit tests using GTest and benchmarks using Benchmark,
through Vcpkg features.

Adds `tests` and `benchmark` features to `vcpkg.json`,
and adds corresponding CMake logic to control their build based on
Vcpkg manifest features.
 2025-10-27 06:42:43 +03:00
Orange++
e2a37f2c81 Fix formatting and spacing in LICENSE file 
Corrected formatting and removed extra spaces in the LICENSE file.
 2025-10-27 02:32:06 +03:00
Orange
69575c1cb3 added additional check 2025-10-23 06:43:09 +03:00
Orange
8adf5db409 added vcpkg manifest file 2025-10-23 06:35:22 +03:00
Orange
2c7e443f52 added contained type alias 2025-10-23 06:26:57 +03:00
Orange
6ad4ef29e9 fix 2025-10-23 01:08:19 +03:00
Orange++
8feb805067 Remove 'future' from affiliation clause in LICENSE 2025-10-23 01:00:40 +03:00
Orange
816da38987 added frostbite into global header 2025-10-23 00:55:49 +03:00
Orange
0ba795c767 added Frostbite into readme 2025-10-23 00:50:35 +03:00
Orange
88b709f531 deleted not needed header 2025-10-23 00:49:54 +03:00
Orange
a7eacb529e updated comments 2025-10-23 00:48:54 +03:00
Orange++
5a4026a4fc Merge pull request #91 from orange-cpp/feature/frostbite_engine 
Defines constants for Frostbite engine
 2025-10-23 00:18:07 +03:00
Orange
404c7de594 added frostbite sources 2025-10-23 00:08:17 +03:00
Orange
f26f48cc53 Defines constants for Frostbite engine 
Introduces a constants header file for the Frostbite engine,
including common vectors, matrices, and angle types.
This provides a centralized location for defining and accessing
essential mathematical constants used throughout the engine.
 2025-10-21 04:56:49 +03:00
Orange++
ed8afb02a1 Merge pull request #90 from orange-cpp/feature/ndc_invalid_calc_fix 
Fixes NDC calculation and updates formulas
 2025-10-21 04:45:07 +03:00
Orange
d86695fad7 nuked not needed test 2025-10-21 04:38:43 +03:00
Orange
570c035f27 added second method of w2s 2025-10-21 04:38:43 +03:00
Orange
5657282577 Fixes incorrect NDC calculation and updates formulas 
Corrects the NDC calculation in `world_to_screen` to improve accuracy.
Replaces custom perspective projection matrix calculation with `omath::mat_perspective_right_handed` for correctness and consistency.
Updates test cases and provides debugging information by printing view and projection matrices.
Addresses an issue in the feature/ndc_invalid_calc_fix branch.
 2025-10-21 04:38:43 +03:00
Orange
551ac62075 Added TF2 into gallery 2025-10-19 04:00:20 +03:00
Orange++
1b1be48ee6 Merge pull request #89 from luadebug/wasm 
Fix pattern scan range check to use end() instead of cend()
 2025-10-17 15:27:03 +03:00
Saikari
1f9ea136b0 Fix pattern scan range check to use end() instead of cend() 2025-10-16 19:47:27 +03:00
Orange
8dadb22e75 Removes ReSharper disable comments 
Removes the `ReSharper disable CppInconsistentNaming` comments
from the header file.
 2025-10-14 13:23:09 +03:00
Orange
8dd9860aa1 Adds PE pattern scan utility 
Includes a new utility for scanning PE patterns.
 2025-10-14 13:20:14 +03:00
Orange++
9a0470f781 Merge pull request #88 from orange-cpp/feaute/more_support_for_hash 
Adds hash support for Vector2, Vector3, and Vector4
 2025-10-14 13:08:28 +03:00
Orange
eb8688c90c Unifies orthographic matrix generation 
Consolidates the generation of left-handed and right-handed orthographic matrices into a shared implementation to reduce code duplication.
 2025-10-14 13:06:23 +03:00
Orange
9f2f619a21 Adds hash support for Vector2, Vector3, and Vector4 
Implements `std::hash` specialization for `omath::Vector2`, `omath::Vector3`, and `omath::Vector4` with float components.

This enables usage of these vector types as keys in hash-based containers, such as `std::unordered_map` and `std::unordered_set`.
 2025-10-14 13:00:28 +03:00
Orange++
568883ff1c Merge pull request #87 from orange-cpp/feature/no_win_api 
Removes Windows-specific API dependencies for pattern scanning
 2025-10-13 14:25:03 +03:00
Orange++
97003b953a Update README.md 2025-10-13 14:24:53 +03:00
Orange
5646654317 Removes Windows-specific API dependencies for pattern scanning 
Replaces calls to Windows API functions (GetModuleHandleA) with a void pointer parameter.

Simplifies pattern scanning for loaded modules by removing Windows-specific code and replacing it with a generic approach.
 2025-10-13 14:17:30 +03:00
Orange++
ee54e3de34 Merge pull request #86 from orange-cpp/feature/improved_pe_scanner_interface 
Feature/improved pe scanner interface
 2025-10-12 20:20:28 +03:00
Orange
7b0af9cf66 Removes unnecessary code in PE scanner 
Simplifies the PePatternScanner class by removing extraneous code.
This cleans up the codebase and improves readability.
 2025-10-12 20:00:52 +03:00
Orange
563ae0a656 Moves namespace declaration to end of file 
Refactors the source file layout to improve readability and consistency.
Moves the namespace declaration to the end of the file.
 2025-10-12 19:59:47 +03:00
Orange
b9e2307d7a Organizes PE scanner code into namespaces 
Refactors the PE scanner implementation to group related definitions and functions within namespaces.

This improves code organization and readability, particularly for internal PE handling and scanning logic.

The included link to the `linux-pe` repository served as a reference during this refactoring.
 2025-10-12 19:57:47 +03:00
Orange
cd0a864e7c Refactors PE scanner to eliminate redundant section extraction 
Simplifies the PE pattern scanner by removing the redundant `extract_section_from_pe_file` function.

The extracted data is now returned directly from a new `ExtractedSection` struct within the main scanning function, streamlining the code and reducing duplication. This improves readability and maintainability of the PE scanner.
 2025-10-12 19:53:41 +03:00
Orange++
5c30f57c4c Merge pull request #85 from orange-cpp/feature/hide_pe_defs 
Feature/hide pe defs
 2025-10-12 19:46:22 +03:00
Orange
3dcd033616 Removes redundant NtHeaderVariant field declarations 
Simplifies NtHeaderVariant structure by removing redundant field declarations.
This improves code readability and reduces unnecessary code duplication.
 2025-10-12 19:43:29 +03:00
Orange
f10dc60772 Removes redundant NtHeaderVariant declaration 
Moves the `NtHeaderVariant` definition outside the unnamed namespace,
to avoid repetition and improve code consistency.
This change is part of the ongoing work on feature/hide_pe_defs.
 2025-10-12 19:42:53 +03:00
Orange
37f624956b Removes PE definition files 
Removes the PE definition files and related functions as they are no longer needed.
 2025-10-12 19:41:18 +03:00
Orange
20dc4e6730 Updates omath version to 3.9.2 2025-10-11 17:22:16 +03:00
Orange
f6c607d84c Uses source engine camera trait for view angle calculation 
Replaces the custom `view_angle_to` function with `omath::source_engine::CameraTrait::calc_look_at_angle` for vector3 view angle calculations.
This change aligns with source engine conventions and improves code consistency.
 2025-10-11 15:46:52 +03:00
Orange++
81ed5f80d7 Merge pull request #84 from luadebug/patch-1 
internal_rev_object.hpp: do not use __fastcall for non-Windows platforms
 2025-10-10 07:47:25 +03:00
Saikari
e385686323 Update internal_rev_object.hpp 2025-10-09 21:34:19 +03:00
Orange++
086eda4ee3 Merge pull request #82 from orange-cpp/feature/pe_scanner 
Updates PE header structure for x64
 2025-10-09 20:45:21 +03:00
Orange
9419e390da Allows specifying target section for file scan 
Enables users to specify the target section name when scanning a PE file for a pattern.
This provides more flexibility in locating patterns within a PE file, as it's not limited to the ".text" section.
 2025-10-09 20:42:03 +03:00
Orange
d919600ac2 Removes unused path parameter from function. 
Simplifies `extract_section_from_pe_file` by removing the unused path parameter.
This clarifies the function's purpose and improves readability.
 2025-10-09 20:36:10 +03:00
Orange
11681ac601 Refactors PE header parsing for improved robustness 
Simplifies PE header reading and validation logic, extracting common functionality into helper functions.

Introduces `get_nt_header_from_file` to handle both x86 and x64 PE headers.

Adds validation checks for both DOS and NT headers to ensure file integrity.

Improves code readability and maintainability by reducing redundancy in header parsing.

Relates to feature/pe_scanner
 2025-10-09 20:32:36 +03:00
Orange
6c5152297a Uses correct calling convention for virtual methods 
Adjusts the virtual method calling convention based on the compiler (_MSC_VER).
This ensures compatibility and correct behavior on different platforms.
 2025-10-09 20:08:04 +03:00
Orange
547f64e4c4 Removes platform-specific error handling 
Simplifies pattern scanner logic by removing conditional compilation for non-Windows platforms.

The error handling previously thrown on non-Windows platforms was unnecessary as this functionality is not intended for those systems. This change streamlines the code and removes a misleading error message.
 2025-10-09 20:03:43 +03:00
Orange
3129e32f0c Uses std::uint16_t for SubsystemId enum 
Ensures consistency by using `std::uint16_t` instead of `uint16_t` for the `SubsystemId` enum.

Relates to feature/pe_scanner
 2025-10-09 20:01:34 +03:00
Orange
72b54e9673 Removes PE scanner test code 
Eliminates the PE scanner test code from the unit tests.

This removes a test that appears to be broken or no longer relevant, since the test directly references a file path.
 2025-10-09 19:58:58 +03:00
Orange
2ff291b255 Supports broader architectures in PE scanner 
Updates the PE scanner implementation to support both 32-bit and 64-bit architectures.
Leverages `std::variant` and a generic `ImageNtHeaders` to abstract architecture-specific details.
Simplifies the logic for retrieving section data, generalizing the process for improved maintainability.
 2025-10-09 19:58:19 +03:00
Orange
8eda1ce4bc Adds PE scanner infrastructure and data structures 
Initializes infrastructure for PE file scanning.

Adds data structures for PE headers (DOS, optional, section),
including user-defined types for section characteristics.

Refactors existing pattern scanning code to utilize new PE data structures.

Adds basic parsing of PE headers.
 2025-10-08 19:22:20 +03:00
Orange
e1b4375621 fixed for mac improved readability 2025-10-08 19:22:20 +03:00
Orange
d84259fdcc Adds PE file header definitions 
Defines `DosHeader` and `FileHeader` structures to represent PE file header information.
Includes definitions for `MachineId` enum and `FileCharacteristics` union.
These definitions are prerequisite for PE file parsing and analysis.
 2025-10-08 19:22:20 +03:00
Orange
d64c7ad756 Adds PE section extraction and pattern scanning 
Adds functionality to extract a specific section from a PE file and scan for a given pattern within that section.

Introduces `extract_section_from_pe_file` to isolate a section, enabling more targeted pattern searches.
Overhauls `scan_for_pattern_in_file` to utilize extracted section data and improve accuracy.
 2025-10-08 19:22:20 +03:00
Orange
710f91999f Adds scan functionality for PE files 
Introduces a method to scan for patterns within specified PE files.
This facilitates searching for patterns outside of loaded modules.
 2025-10-08 19:22:20 +03:00
Orange
f3fe0e3cee added pe pattern scan 2025-10-08 19:22:20 +03:00
Orange
c5c5c2e972 Clarifies build preset usage in INSTALL.md 
Rephrases the explanation regarding build presets for clarity in the INSTALL.md file.
The text now more explicitly advises users on selecting appropriate presets.
 2025-10-08 19:22:20 +03:00
Orange
a7cb056ce7 Moves PE headers file to omath directory 
Organizes the project by relocating the PE headers file to the omath directory structure.
This improves code organization and maintainability.
 2025-10-08 19:22:20 +03:00
Orange
dae1555ec4 added mkdoc 2025-10-08 19:22:19 +03:00
Orange
2c6ef1b8cc Defines PE header structure for x64 
Introduces a structure for representing the DOS header
within a PE (Portable Executable) file for x64 architectures.
This definition enables easier parsing and manipulation of PE header information.
 2025-10-08 19:22:19 +03:00
Orange++
d70e8853e8 Add Kaspersky LLC to license restrictions 2025-10-08 17:48:24 +03:00
Orange
e35d64b486 Disables rvalue overload of scan_for_pattern 
Prevents implicit conversions and unexpected behavior by deleting the rvalue overload of `scan_for_pattern`.
 2025-10-06 15:05:04 +03:00
Orange
9868c832a1 Corrects function signature 
Adjusts the `scan_for_pattern` function signature to correctly use `const std::string_view&`.
 2025-10-06 14:46:40 +03:00
Orange
42e46f9921 added global header 2025-10-06 14:36:00 +03:00
Orange
e7ccc2ead0 added concept for iterators, reworked interface 2025-10-06 14:25:52 +03:00
Orange
170f969697 improved scanner interface 2025-10-06 14:21:52 +03:00
Orange
131fd891b0 added unlikely 2025-10-06 14:04:43 +03:00
Orange++
a5396b72cb Merge pull request #81 from orange-cpp/feature/pattern_scan 
Improves pattern scanning functionality and adds corner case tests
 2025-10-05 15:59:59 +03:00
Orange
ec876ea292 Includes header for fixed-width integer types 
Adds `#include ` to ensure platform-independent use of fixed-width integer types.
 2025-10-05 15:56:35 +03:00
Orange
8021050fad Uses std::ranges::find for pattern scanning 
Replaces `std::find` with `std::ranges::find` for improved code consistency and potentially better performance when dealing with ranges.
 2025-10-05 15:54:54 +03:00
Orange
bd585b5412 Uses parsed pattern size in pattern scan 
Updates the pattern scan loop to iterate over the size of the parsed pattern, ensuring correct iteration when using parsed patterns.
 2025-10-05 14:14:31 +03:00
Orange
06f9a8c9ee Adds pattern scanning functionality and corner case tests 
Implements a pattern scanning feature that allows searching for byte patterns within a byte range.

Adds `scan_for_pattern` method to `PatternScanner` to locate a pattern within a byte span.

Adds corner case tests to verify functionality and handle invalid inputs.
 2025-10-05 06:37:20 +03:00
Orange
160b51da94 Adds corner case tests for pattern scanning 
Adds new test cases to cover additional scenarios for pattern scanning, including tests for leading/trailing whitespace and spacing variations to ensure robustness.
 2025-10-04 18:43:05 +03:00
Orange
064edf9ef1 Handles empty pattern strings 
Skips processing when encountering an empty string slice during pattern scanning.
This prevents unexpected behavior and potential errors when the pattern string contains sections that result in an empty byte string.
 2025-10-04 18:33:57 +03:00
Orange
f17d36dcd3 Adds pattern scanning functionality 
Implements a pattern scanner for byte sequence parsing.

Introduces `omath::PatternScanner` to parse pattern strings, which represent byte sequences.
Adds support for wildcard characters ('?' and '?') to represent optional bytes in the pattern.
Includes unit tests for basic read operations to ensure proper functionality.
 2025-10-04 18:30:43 +03:00
Orange++
ec4f9f6c90 Merge pull request #80 from orange-cpp/feature/rev_eng 
Feature: Reverse Engineering classes
 2025-10-04 10:09:07 +03:00
Orange
cbee8c2c95 finished test 2025-10-04 10:04:34 +03:00
Orange
dc6edbb67f update global header 2025-10-04 09:52:14 +03:00
Orange
74381eda5c added external class 2025-10-04 09:47:48 +03:00
Orange
1ef7833bd9 reordored omath headers 2025-10-03 13:51:53 +03:00
Orange
c10386f3f6 added rev_object 2025-10-03 13:43:47 +03:00
Orange
413cef4f23 version update 2025-10-03 13:16:48 +03:00
Orange
867cee41c3 femoved useless file 2025-10-03 13:14:11 +03:00
Orange
990fe78a33 fixed wrong spam of command option into build log 2025-10-03 12:40:18 +03:00
Orange++
1efdb50f73 Merge pull request #78 from luadebug/patch-1 
CMakeLists.txt: support AVX2 detection
 2025-10-01 03:10:24 +03:00
Saikari
86fea065e7 CMakeLists.txt: do not use /ARCH:AVX since we have /ARCH:AVX2 already 2025-09-30 23:40:07 +03:00
Saikari
ac046aae6c Update CMakeLists.txt 2025-09-30 23:18:00 +03:00
Saikari
9646054877 CMakeLists.txt: support AVX2 detection for https://github.com/xmake-io/xmake-repo/pull/8277 2025-09-30 21:40:25 +03:00
Orange
6334002639 forgot linux macos 2025-09-29 11:23:28 +03:00
Orange
72e0c0c90b removed useless fields of C compiler 2025-09-29 11:21:43 +03:00
Orange
2f2a5a00c4 added another clangformat 2025-09-27 10:55:05 +03:00
Orange++
c394993418 Add documentation link to README 2025-09-27 10:40:54 +03:00
Orange
476048583d added version file update cmake version 2025-09-27 10:38:31 +03:00
Orange++
76ae67c968 Revise features and clean up README 
Updated features section and removed usage examples.
 2025-09-27 10:35:14 +03:00
Orange++
d1d95d2f36 Merge pull request #77 from orange-cpp/feature/formating_improvement 
Feature/formating improvement
 2025-09-25 22:03:47 +03:00
Orange
6409568334 added plane header 2025-09-25 21:59:59 +03:00
Orange
83ba339eb5 fix 2025-09-25 21:57:05 +03:00
Orange
c49c93d542 decomposed formatter 2025-09-25 21:55:56 +03:00
Orange
92dab52d66 improvement 2025-09-25 21:43:33 +03:00
Orange
dac3d8e43f improved encoding for formating 2025-09-25 21:06:46 +03:00
Orange
fb0b05d7ef imprvoed code style 2025-09-25 19:33:06 +03:00
Orange++
993212e7ab Merge pull request #76 from orange-cpp/bugfix/projectile_pred 
projectile pred look at fix
 2025-09-22 02:43:04 +03:00
Orange
380a9f0a16 fix 2025-09-22 02:41:12 +03:00
Orange
ba7bce5502 ooops 2025-09-22 02:39:50 +03:00
Orange
ce40891e37 added targets specification to ci cd build 2025-09-22 02:38:25 +03:00
Orange
c4d10f8872 disable benchmark build for CI/CD 2025-09-22 02:34:52 +03:00
Orange
2bb0c82c30 added source engine benchmark 2025-09-22 02:29:36 +03:00
Orange
a4dcf8dc3b unreal engine fix 2025-09-22 02:12:20 +03:00
Orange
17eaddbc8c fix unity 2025-09-22 02:10:33 +03:00
Orange
9005c02499 opengl fix 2025-09-22 02:08:58 +03:00
Orange++
e7380b5eb6 Merge pull request #75 from orange-cpp/bugfix/fix_look_at 
Bugfix/fix look at
 2025-09-20 17:12:16 +03:00
Orange
f8d6e4b544 unified look at for source iw_engine 2025-09-20 17:09:13 +03:00
Orange
893eca296b improved tests 2025-09-20 17:00:49 +03:00
Orange
b0bd58ccb2 improved opengl tests stability 2025-09-20 16:36:05 +03:00
Orange
44a42d39d0 improved test stability 2025-09-20 16:34:44 +03:00
Orange
a8c7e8eb54 fixed test 2025-09-20 16:22:24 +03:00
Orange
cef22919a4 added more iterations 2025-09-20 16:08:04 +03:00
Orange
f79350e609 style fix 2025-09-20 16:00:30 +03:00
Orange
1102cad390 fixed unreal 2025-09-20 15:59:43 +03:00
Orange
df4e999c82 fixed unity 2025-09-20 15:54:48 +03:00
Orange
3baeb182f0 fixed opengl 2025-09-20 15:48:59 +03:00
Orange
5539bbad0d reverted 2025-09-20 15:46:21 +03:00
Orange
4d4dfae8f2 fix 2025-09-20 15:44:33 +03:00
Orange
03c514104e fixed rotation matrix 2025-09-20 15:44:33 +03:00
Orange
792db7a673 added new mat function 
more tests
 2025-09-20 15:44:33 +03:00
Orange
bfd399e631 fixed test 2025-09-20 15:44:33 +03:00
Orange
7fef690f5e fixed iw engine 
fixed source

revert
 2025-09-20 15:44:33 +03:00
Orange++
3df7d65ac1 Update README.md 2025-09-18 19:39:11 +03:00
Orange
e1a1164136 fixed warning 2025-09-18 19:06:56 +03:00
Orange
23216279dc fix 2025-09-18 18:42:02 +03:00
Orange
9e082f7dfa now its ref 2025-09-18 18:39:28 +03:00
Orange
7750819e83 improved naming 2025-09-18 18:38:07 +03:00
Orange++
2ec0e2f93f Update CREDITS.md to include Billy O'Neal 
Added acknowledgment for Billy O'Neal's contributions.
 2025-09-18 06:08:49 +03:00
Orange++
9170ffb1a9 Merge pull request #74 from BillyONeal/fmodf 
Don't name std::fmodf.
 2025-09-18 06:04:43 +03:00
Orange
e05f9ef5a9 Removes FMA check for matrix multiplication 
Removes preprocessor check for FMA instructions in matrix multiplication functions.
This simplifies the code and relies on the compiler's ability to optimize the
code based on available hardware support. The assumption is that modern
compilers will automatically utilize FMA instructions if available, and fall
back to alternative implementations if not.
 2025-09-18 06:02:37 +03:00
Orange
89bb4aa625 Guards AVX2 usage with a preprocessor definition 
Ensures that AVX2 intrinsics are only included when the
OMATH_USE_AVX2 preprocessor definition is set. This prevents
compilation errors when AVX2 support is not available or
explicitly disabled.
 2025-09-18 05:22:22 +03:00
Billy Robert O'Neal III
9b0845593d Don't name std::fmodf. 
The C standard library function fmodf is not guaranteed to be in namespace std, and in fact is not with a default Ubuntu 24.04 installation, leading to the following compile error:

```console
Change Dir: '/vcpkg/buildtrees/vcpkg-ci-orange-math/x64-linux-dbg'

Run Build Command(s): /vcpkg/downloads/tools/ninja/1.12.1-linux/ninja -v -v -j33
[1/2] /usr/bin/c++ -DOMATH_SUPRESS_SAFETY_CHECKS -DOMATH_VERSION=\"3.5.0\" -isystem /vcpkg/installed/x64-linux/include -fPIC -g -std=gnu++23 -MD -MT CMakeFiles/main.dir/main.cpp.o -MF CMakeFiles/main.dir/main.cpp.o.d -o CMakeFiles/main.dir/main.cpp.o -c /vcpkg/scripts/test_ports/vcpkg-ci-orange-math/project/main.cpp
FAILED: CMakeFiles/main.dir/main.cpp.o
/usr/bin/c++ -DOMATH_SUPRESS_SAFETY_CHECKS -DOMATH_VERSION=\"3.5.0\" -isystem /vcpkg/installed/x64-linux/include -fPIC -g -std=gnu++23 -MD -MT CMakeFiles/main.dir/main.cpp.o -MF CMakeFiles/main.dir/main.cpp.o.d -o CMakeFiles/main.dir/main.cpp.o -c /vcpkg/scripts/test_ports/vcpkg-ci-orange-math/project/main.cpp
In file included from /vcpkg/installed/x64-linux/include/omath/omath.hpp:22,
                 from /vcpkg/scripts/test_ports/vcpkg-ci-orange-math/project/main.cpp:1:
/vcpkg/installed/x64-linux/include/omath/color.hpp: In member function ‘constexpr omath::Hsv omath::Color::to_hsv() const’:
/vcpkg/installed/x64-linux/include/omath/color.hpp:98:45: error: ‘fmodf’ is not a member of ‘std’; did you mean ‘modf’?
   98 |                 hsv_data.hue = 60.f * (std::fmodf(((green - blue) / delta), 6.f));
      |                                             ^~~~~
      |                                             modf
ninja: build stopped: subcommand failed.
```

Only the 'sufficient additional overloads' of `fmod` are guaranteed to be in `std`. Since this is clearly intended to call the (float, float) overload, explicitly cast `((green - blue) / delta)` (which is a `double`) to `float` and call the name in `std` as suggested by the diagnostic.
 2025-09-17 19:15:10 -07:00
Orange++
617ded2dd4 Merge pull request #73 from orange-cpp/featore/performance_tests 
added performance folder
 2025-09-17 20:53:11 +03:00
Orange
e882a224d2 fix 2025-09-17 20:50:30 +03:00
Orange
e04f6573c0 patch 2025-09-17 20:46:00 +03:00
Orange
791e3b2313 improved bench 2025-09-17 20:40:03 +03:00
Orange
26b56d757c fix 2025-09-17 20:25:22 +03:00
Orange
fbb77b9925 patch 2025-09-17 20:22:42 +03:00
Orange
7b671dbd90 added benchmark submodule 2025-09-17 20:14:33 +03:00
Orange
5875930f1a added benchmark 2025-09-17 19:56:50 +03:00
Orange
d773985822 added avx mutiplication 2025-09-17 19:47:29 +03:00
Orange
a2de6f8fae renamed folder 2025-09-17 18:07:28 +03:00
Orange
d71795006d added performance folder 2025-09-17 17:47:55 +03:00
Orange++
561438d45c Merge pull request #72 from orange-cpp/feature/mat_refactor 
Feature/mat refactor
 2025-09-17 17:41:15 +03:00
Orange
874b028e86 removed unused var 2025-09-17 17:38:17 +03:00
Orange
68ec42d9ed added space 2025-09-17 17:33:05 +03:00
Orange
8aeb4667d7 decomposed mutiplication 2025-09-17 17:30:57 +03:00
Orange
565464f0cd forgot std 2025-09-17 17:23:02 +03:00
Orange++
04b50d4545 Merge pull request #71 from orange-cpp/feature/mat_perf_boost 
Improves matrix multiplication performance
 2025-09-17 17:18:12 +03:00
Orange
e01d32fb22 Improves matrix multiplication performance 
Optimizes matrix multiplication by specializing the algorithm
based on the matrix storage type (row-major or column-major).

This change significantly improves performance by leveraging
memory access patterns specific to each storage order.
 2025-09-17 17:12:41 +03:00
Orange++
a3a023a664 Add acknowledgment for AmbushedRaccoon's contribution 2025-09-16 16:58:00 +03:00
Orange++
1b5a7ed4fd Merge pull request #69 from luadebug/patch-1 
Repair omath.hpp by removing unexisting header include
 2025-09-15 15:01:04 +03:00
Saikari
362b818a71 Update omath.hpp 2025-09-15 13:13:55 +03:00
Orange
29a96d64bb Adds 2D screen to world conversion 
Adds an overload for screen_to_world that accepts a 2D screen position.

Renames screen_to_dnc to screen_to_ndc for clarity.
 2025-09-14 04:48:56 +03:00
Orange
256365e52e patch 2025-09-14 04:43:25 +03:00
Orange
e333d81b81 Enables formatting support for Angle objects 
Adds a partial specialization of `std::formatter` for `omath::Angle`
to provide formatting support using `std::format`.

This allows `Angle` objects to be easily formatted as strings,
including degree symbol representation, using standard formatting
techniques.
 2025-09-14 04:43:01 +03:00
Orange
d66f60d419 Removes unnecessary div tag 
Removes an empty div tag, which streamlines the HTML structure and contributes to cleaner code.
 2025-09-13 20:13:35 +03:00
Orange
4a4939b604 Repositions YouTube preview link 
Moves the YouTube preview link to improve the README's visual flow.
 2025-09-13 20:08:48 +03:00
Orange
ebe8d1a90e Improves README readability 
Adds a newline to the README file for better visual separation
between the contribute button and the horizontal rule.
 2025-09-13 19:55:23 +03:00
Orange
1a3376fe6c Improves button aesthetics on README 
Adds whitespace to the buttons displayed on the README to improve their appearance.
 2025-09-13 19:53:09 +03:00
Orange
20188d7043 Updates README with gallery, install and usage 
Enhances the README by adding a gallery showcasing OMath's capabilities,
providing a clearer installation guide, and improving usage examples
to facilitate easier adoption.
Also restructures the navigation for better user experience.
 2025-09-13 19:50:58 +03:00
Orange++
f59e0d255f Update README.md 2025-09-13 19:20:37 +03:00
Orange++
071cb15492 Update README.md 2025-09-13 19:16:19 +03:00
Orange++
f8812ed9e7 Update README.md 2025-09-09 22:15:00 +03:00
Orange++
19d310d35f Update README.md 2025-09-09 21:48:54 +03:00
Orange++
c364879b5f Merge pull request #68 from orange-cpp/feature/screen_to_world 
Feature/screen to world
 2025-09-09 02:58:32 +03:00
Orange
418b7c0e7e Fixes float type conversion in world_to_screen 
Fixes a potential type conversion issue by explicitly casting the x-coordinate to float in the world_to_screen test. This prevents possible compiler warnings and ensures the intended behavior.
 2025-09-09 02:13:45 +03:00
Orange
69f46abce1 Adds projection test for world-to-screen consistency 
Adds a test to verify the consistency of world-to-screen and
screen-to-world projections. This ensures that projecting a point
from world to screen and back results in the same point, thereby
validating the correctness of the camera projection transformations.
 2025-09-09 01:37:38 +03:00
Orange
de61f7a5d8 Adds screen to world space conversion 
Adds functionality to convert screen coordinates to world space, including handling for cases where the inverse view projection matrix is singular or when the world position is out of screen bounds.

Also exposes Camera class to unit tests.
 2025-09-09 01:31:23 +03:00
Orange
07a449b633 Simplifies raycast early exit condition 
Combines the infinite length raycast hit check into a single condition.

This clarifies the logic and avoids redundant checks for early exit
in the ray-triangle intersection test, improving performance.
 2025-09-08 23:52:35 +03:00
Orange++
6bb549ef4c Merge pull request #67 from orange-cpp/feature/angle-improvement 
Implements angle class with normalization
 2025-09-08 20:18:11 +03:00
Orange
14fa810ecb Implements angle class with normalization 
Adds an angle class with support for different normalization
and clamping strategies. Includes trigonometric functions and
arithmetic operators. Introduces unit tests to verify correct
functionality.

Disables unity builds to address a compilation issue.
 2025-09-08 20:15:59 +03:00
Orange++
b964661030 Merge pull request #66 from orange-cpp/feature/remove-legacy 
Removes deprecated Matrix class
 2025-09-08 19:59:34 +03:00
Orange
9c11551c9a Removes deprecated Matrix class 
Removes the deprecated `Matrix` class and its associated source files and unit tests.

This change is to ensure code cleanliness and prevent accidental usage of the slow and outdated `Matrix` class.
The `Mat` class should be used instead.
 2025-09-08 19:56:04 +03:00
Orange++
21fece7c84 Update LICENSE 2025-09-08 15:52:01 +03:00
Orange
996618994d updated logo psd 2025-09-06 23:14:14 +03:00
Orange++
ce8be6dd52 Update README.md 2025-09-04 23:49:07 +03:00
Orange++
17aac2f80e Update CREDITS.md 2025-09-04 20:36:12 +03:00
Orange++
ba927734d2 Update LICENSE 2025-09-04 20:35:25 +03:00
Orange++
c0d5fd18f5 Update SECURITY.md 2025-09-04 20:35:04 +03:00
Orange++
996a9cf15a Update LICENSE 2025-09-04 19:35:05 +03:00
Orange++
91078f5701 Update LICENSE 2025-09-04 19:33:59 +03:00
Orange
036d3a8992 updated logo 2025-09-03 22:18:54 +03:00
Orange
7534fe8969 removed unused defines 2025-09-03 12:52:00 +03:00
Orange
8e4f1812cc fix 2025-09-03 12:50:31 +03:00
Orange++
e8f40218dd Merge pull request #62 from orange-cpp/feaure/added_logo 
Feaure/added logo
 2025-09-01 17:04:50 +03:00
Orange
50054ca937 Acknowledges logo design contribution 
Updates the credits to acknowledge the new initial logo design.
 2025-09-01 17:04:29 +03:00
Orange
63220c0be7 Adds an omath.psd file. 
Adds a binary file named omath.psd.
 2025-09-01 17:03:31 +03:00
Orange
3b6d19782c Updates README with local image links 
Updates the README to use local image links instead of Imgur links for the showcase section.

This improves the project's resilience against external link rot and
ensures the images remain accessible even if Imgur experiences issues.
 2025-09-01 17:02:23 +03:00
Orange
2d58330508 Replaces banner with logo 
Replaces the project banner in the README with a dedicated logo.

This change simplifies the banner implementation and improves maintainability
by using a local image file instead of referencing an external URL.
 2025-09-01 16:56:43 +03:00
Orange
abf57a55ea Updates include paths and removes dependency 
Updates the include paths in omath.hpp to be more explicit,
ensuring correct referencing of header files.

Removes unnecessary include of vector3.hpp from vector2.hpp.
 2025-09-01 01:28:04 +03:00
Orange++
463532ba81 Merge pull request #60 from orange-cpp/feature/moved_to_dear 
Refactors: Moves linear algebra to new directory
 2025-09-01 00:02:00 +03:00
Orange
d74c66990a Refactors: Moves linear algebra to new directory 
Moves linear algebra headers to a new subdirectory to improve project structure.

Updates includes to reflect the directory change.
Adds vcpkg to the tracked repositories.
 2025-08-31 23:36:05 +03:00
Orange
7f1bc51905 Updates project version to 3.5.0 
Increments the project version number in CMakeLists.txt
from 3.4.0 to 3.5.0.
 2025-08-29 22:04:12 +03:00
Orange
71127f1f12 Updates project version to 3.4.0 
Bumps the project's version number from 3.3.0 to 3.4.0.

Adds a compile definition to expose the project version via the
`OMATH_VERSION` macro.
 2025-08-29 22:03:35 +03:00
Orange++
89041e20ae Merge pull request #59 from orange-cpp/feature/new_primitives 
Adds plane primitive generation
 2025-08-29 14:41:36 +03:00
Orange
a54dd4b52a Fixes plane triangle generation 
Corrects the order of vertices when constructing triangles
for the plane primitive, addressing a potential winding order
issue that could lead to incorrect surface normals and rendering.
 2025-08-29 00:11:31 +03:00
Orange
d7e497b617 Simplifies plane creation logic 
Refactors the plane creation function to directly compute the triangle vertices, removing unnecessary intermediate variables. This results in more concise and readable code.
 2025-08-28 23:57:22 +03:00
Orange
80938cd913 Adds plane primitive generation 
Implements a function to generate a plane primitive from two vertices, a direction vector, and a size, returning an array of two triangles.
 2025-08-28 23:18:36 +03:00
Orange++
830505dbe5 Merge pull request #58 from orange-cpp/feature/ortho-proj 
Adds left- and right-handed ortho matrices
 2025-08-27 23:23:40 +03:00
Orange
75565ecf2d Adds left- and right-handed ortho matrices. 
Adds functions to generate left- and right-handed orthographic projection matrices.
This provides more flexibility when defining a projection for rendering.
 2025-08-27 23:17:56 +03:00
Orange
9a7a4c7fff Removed submodule extlibs/glm 2025-08-27 20:22:33 +03:00
Orange
c0f0bb3c2e com 2025-08-27 20:07:47 +03:00
Orange++
a097c0a2f4 Merge pull request #57 from orange-cpp/feature/added_formatters 
Adds std::format support for math types
 2025-08-26 12:37:13 +03:00
Orange
20ae2b4dd1 Adds formatters for Angle and Color 
Adds formatters for `omath::Angle` and `omath::Color` to allow for easy formatting using `std::format`.

This allows users to easily output Angle and Color values in a human-readable format.
 2025-08-26 12:35:40 +03:00
Orange
115b5a3471 Adds std::format support for math types 
Adds `std::formatter` specializations for `Mat`, `Vector2`, `Vector3`, and `Vector4` types, enabling the use of `std::format` for these types.

This simplifies formatting and printing of these mathematical objects, improving code readability and consistency.

Also adds a hash function specialization for Vector3.
 2025-08-26 12:22:33 +03:00
Orange
77893629f9 Adds omath library header 
Creates the main omath header file that includes all
omath library components. This provides a single point
of inclusion for the entire library, simplifying usage
and dependency management.

Also, adjusts the return types for projectile prediction
functions within the legacy engine to explicitly use
the `Vector3` type for consistency and clarity.
 2025-08-25 22:33:00 +03:00
Orange
afb27b1aa9 Adds build test status message 
Adds a status message to the build process that displays whether unit tests are enabled.

This provides better visibility into the build configuration.
 2025-08-25 22:11:39 +03:00
Orange
61006122ae Displays build configuration options 
Prints the values of various CMake configuration options to the console during the build process.

This provides better visibility into the build configuration and helps with debugging build-related issues.
 2025-08-25 22:10:10 +03:00
Orange
4eb0f59fc0 Updates build status message 
Updates the build status message in CMake to include the project name, providing more context during the build process.
 2025-08-25 21:59:25 +03:00
Orange
3b4bf24a16 Updates project version to 3.3.0 
Increments the project version number in CMakeLists.txt
from 3.2.1 to 3.3.0.
 2025-08-25 21:57:07 +03:00
Orange
51d93c4464 Removes outdated header comments 
Removes redundant and outdated header comments. These comments are no longer necessary for maintaining the codebase.
 2025-08-25 21:54:59 +03:00
Orange++
d83a8121db Merge pull request #55 from orange-cpp/feature/unreal-support 
Adds Unreal Engine math library
 2025-08-25 21:49:11 +03:00
Orange
2584cda5c3 Fixes namespace and angle calculations 
Corrects namespace naming from unity_engine to unreal_engine.

Adjusts projectile prediction and angle calculations for accuracy
in Unreal Engine environments.
 2025-08-25 21:46:50 +03:00
Orange
c90497f77b Fixes Unreal Engine view angle matrix order 
The view angle rotation matrix order in Unreal Engine was incorrect, leading to incorrect camera orientation.

This commit fixes the order of rotation matrices to roll, pitch, yaw
to correctly implement Unreal Engine camera rotations.

Adds comprehensive unit tests for Unreal Engine formulas, camera and constants.

Marks Unreal Engine as supported in README.md.
 2025-08-25 21:42:58 +03:00
Orange
0de6b4589f Adds .idea/ to .gitignore 
Adds the standard .idea/ folder contents to the .gitignore file.

This prevents project-specific IDE settings and workspace files from being tracked by Git, keeping the repository cleaner and avoiding potential conflicts between developers using different IDE configurations.
 2025-08-25 21:31:07 +03:00
Orange
8004c8c181 Adds Unreal Engine math implementations 
Adds Unreal Engine-specific implementations for camera and projectile prediction calculations.

This includes:
- Defining constants and data types tailored for Unreal Engine's coordinate system and conventions.
- Implementing functions for calculating forward, right, and up vectors, view matrices, and perspective projection matrices.
- Providing camera trait for look-at angle calculations and projection matrix generation.
- Implements projectile prediction traits and utilities.
 2025-08-25 21:30:35 +03:00
Orange++
1246c4ed07 Update README.md 2025-08-25 17:26:56 +03:00
Orange++
ab463e1caa Update README.md 2025-08-25 16:00:36 +03:00
Orange
4f13010e7d Removes workspace configuration file 
Deletes the `.idea/workspace.xml` file.
This file tracks workspace-specific settings,
and is not meant to be shared across different
development environments.
 2025-08-21 00:33:02 +03:00
Orange
83d3cc099f Improves test accuracy and adds .gitignore entry 
Updates unit tests to include more accurate assertions for camera projections.

Adds .idea/workspace.xml to .gitignore to prevent tracking local IDE settings.

Refactors some test fixture class names for consistency.
 2025-08-21 00:30:05 +03:00
Orange
625c676010 Fixes MSVC redefinition of min/max 
Adds a compiler definition for MSVC to prevent redefinition of min/max macros by the Windows SDK.

Removes unnecessary undef directives in color.hpp as the NOMINMAX definition now handles the issue.
 2025-08-21 00:17:59 +03:00
Orange
2d9ed4cfc8 Configures project IDE settings and improves gitignore 
Adds project-specific IDE settings to improve code style consistency and development environment.

Removes the .idea directory from the .gitignore file, as these files are now intended to be part of the project for consistent IDE configuration across contributors.
 2025-08-21 00:11:37 +03:00
Orange
29795e9906 Includes missing formula headers 
Includes the necessary formula headers in the camera trait files for different rendering engines.
This ensures that the required mathematical functions and definitions are available when using camera traits.
 2025-08-12 19:08:30 +03:00
Orange
0328fef4f7 Fixes Vector3 conversion from ImVec2 
Corrects the static function signature for creating a Vector3 from an ImVec2.

It was mistakenly returning a Vector3 instead of Vector3.

patch
 2025-08-12 09:38:43 +03:00
Orange
687772f073 feat(omath): Add NDC to screen position coordinate diagram 2025-08-12 09:29:14 +03:00
Orange
c66df11754 Updates project version to 3.2.1 
Increments the project version number in CMakeLists.txt
from 3.0.4.1 to 3.2.1, indicating a release or significant
changes in the project.
 2025-08-12 09:25:40 +03:00
Orange
0450dc3547 Adds concept for prediction engine traits 
Introduces a concept `PredEngineConcept` to ensure that classes used as projectile prediction engine traits conform to a specific interface.
This enforces the presence and return types of required methods and ensures that these methods are `noexcept`, improving type safety and predictability.
 2025-08-12 09:21:34 +03:00
Orange
0bd9eda48f Introduces CameraEngine concept 
Adds a concept `CameraEngineConcept` to ensure that camera
engine implementations provide the necessary functions
with the correct signatures and `noexcept` specifications.

This enables compile-time checks for valid camera engine
implementations, improving code reliability and preventing
runtime errors.
 2025-08-12 09:13:02 +03:00
Orange++
858314fa0a Merge pull request #54 from orange-cpp/feature/vec_fix_improvement 
Adds comparison operators to Vector types
 2025-08-12 08:57:31 +03:00
Orange
f277b1038c Adds comparison operators to Vector types 
Adds less than, greater than, less than or equal, and greater than or equal operators to the Vector2, Vector3 and Vector4 classes.
The comparison is based on the lengths of the vectors.

Adds corresponding unit tests.
 2025-08-12 08:54:33 +03:00
Orange
15c055beb7 Removes virtual destructor from Camera 
Removes the virtual destructor from the Camera class as it is not required,
as the class does not act as a base class. This simplifies the class
definition and avoids potential vtable overhead.
 2025-08-11 01:43:22 +03:00
Orange++
4d24815f3e Update issue templates 2025-08-11 01:30:26 +03:00
Orange
d96b0cd2f7 Marks Camera class as final 
Prevents inheritance from the Camera class.
 2025-08-11 01:18:39 +03:00
Orange++
d238bd137f Merge pull request #53 from orange-cpp/u/camera_type_traits 
Refactors camera and prediction using traits
 2025-08-11 00:47:25 +03:00
Orange
17b150499d Refactors camera and prediction engine traits. 
Moves camera and prediction engine implementations into traits for each engine,
decoupling the engine-specific logic from the core classes, promoting code reuse
and maintainability. This change allows for easier addition of new engines and
customization of existing ones.
 2025-08-11 00:32:09 +03:00
Orange
c7228c9674 Updates googletest submodule 
Updates the googletest submodule to the latest commit.

This brings in the latest fixes and improvements from the
googletest project.
 2025-08-07 23:33:30 +03:00
Orange
7a9f5d4966 Removes projectile.cpp 
Removes the projectile.cpp file. The removal indicates that the associated projectile prediction functionality is no longer needed or has been moved elsewhere.
 2025-08-06 18:37:28 +03:00
Orange
a16050242a Adds community badges to README 
Enhances the README by adding Discord and Telegram badges, providing users with direct access to community channels for support and discussions.
 2025-08-06 06:39:57 +03:00
Orange
ea8f3d8d51 Adds contributing guidelines 
Introduces a CONTRIBUTING.MD file to provide guidelines for
contributing to the project, including prerequisites, setup
instructions, pull request workflow, code style, and building
instructions.

xd

returned back

patch
 2025-08-06 06:23:06 +03:00
Orange
08d2ccc03a Refactors Vector operations for type safety 
Ensures type safety in Vector2, Vector3, and Vector4 operations by using static_cast(0) instead of relying on implicit conversions.
This prevents potential issues with different numeric types.

Adds from_im_vec2 and from_im_vec4 methods for creating vectors from ImVec2/ImVec4 types.
 2025-08-06 06:06:42 +03:00
Orange
21ec23d77b patch 2025-08-06 05:56:09 +03:00
Orange++
2c4ff37062 Merge pull request #52 from orange-cpp/feature/more_traits 
Adds engine traits for projectile prediction
 2025-08-06 05:49:25 +03:00
Orange
695a8035b5 Adds engine traits for projectile prediction 
Implements engine-specific traits for projectile and target position prediction.
Each trait encapsulates logic tailored to a specific game engine (IW, OpenGL, Unity),
accounting for engine-specific coordinate systems and calculations.
This allows for accurate projectile prediction across different game environments.
 2025-08-06 05:45:37 +03:00
Orange
d12b236e56 Refactors target position prediction 
Moves target prediction logic into engine traits, improving modularity.

This change consolidates target position prediction within the engine traits,
allowing for a more flexible and maintainable design.

This eliminates redundant code and simplifies the core prediction engine by
delegating target movement calculations to the appropriate trait.
 2025-08-04 03:16:04 +03:00
Orange
7a5090d9f6 Marks legacy engine class as final 
Prevents further inheritance from the legacy projectile prediction engine class.
 2025-08-04 01:12:22 +03:00
Orange
ec76a7239c Adds direct pitch angle calculation 
Implements a direct pitch angle calculation for scenarios with zero gravity, ensuring accurate projectile trajectory predictions in such conditions.

Also marks several methods as noexcept for better performance and exception safety.
 2025-08-04 01:11:11 +03:00
Orange
2758f549a3 Updates project version and removes legacy code 
Updates the project version to prepare for a new release.

Removes the legacy projectile prediction engine, which is no longer needed.
 2025-08-03 18:35:52 +03:00
Orange
493931ef0f Ignores vcpkg directory 
Excludes the vcpkg directory from being tracked by Git.

This prevents accidental commits of external library files
managed by vcpkg, keeping the repository cleaner.
 2025-08-03 18:31:02 +03:00
Orange
9e1990942b Refactors projectile prediction engine 
Migrates projectile prediction logic to leverage engine traits for improved flexibility and testability.

This change decouples core prediction algorithms from specific engine implementations, allowing for easier adaptation to different game engines or simulation environments.
 2025-08-03 18:28:47 +03:00
Orange++
f1984fbe46 Merge pull request #51 from orange-cpp/feature/projectile_pred_custom 
Refactors projectile prediction engine
 2025-08-03 17:38:08 +03:00
Orange
f1fbea21a7 Refactors projectile prediction engine 
Refactors the projectile prediction engine by introducing an interface
and making the legacy implementation more flexible.

The legacy engine is updated to allow for coordinate system customization
through virtual methods, enabling usage in different game environments.

Also introduces vcpkg support for easier dependency management and adds boost-asio as a dependency.
 2025-08-03 17:33:22 +03:00
Orange
4b44ce0667 Documents projectile launch angle formula 
Adds a comment documenting the formula used for calculating the projectile launch pitch angle.

The comment includes a link to the Stack Overflow discussion where the formula was found and the LaTeX representation of the formula for clarity.
 2025-07-31 21:52:16 +03:00
Orange++
231ef35a0a Merge pull request #49 from orange-cpp/feature/legacy_option 
Adds option to enable legacy classes
 2025-07-15 11:52:36 +03:00
Orange
1aa62cb396 Enables legacy code compilation 
The changes encapsulate the matrix tests within an `#ifdef` block, allowing conditional compilation based on whether `OMATH_ENABLE_LEGACY` is defined. This enables the legacy code to be compiled only when needed.
 2025-07-15 11:51:14 +03:00
Orange
8e411771c2 Adds option to enable legacy classes 
Introduces a CMake option to enable legacy classes,
allowing for backward compatibility with older code.
This ensures that older codebases can still function
while new development can utilize updated classes.
 2025-07-15 11:48:33 +03:00
Orange++
d65852d1a4 Update README.md 2025-07-14 23:11:46 +03:00
Orange++
21f5e82a20 Merge pull request #48 from luadebug/patch-1 
Update INSTALL.md
 2025-07-14 23:10:39 +03:00
Saikari
851ec37350 Update INSTALL.md 2025-07-14 18:53:41 +03:00
Orange++
f1cd9dbeb3 Update README.md 
fixed ordering
 2025-07-14 17:39:16 +03:00
Orange++
7a1c7d6cc4 Update README.md 
made badge in read me smaller
 2025-07-14 17:38:50 +03:00
Orange++
cb704b3621 Merge pull request #47 from luadebug/patch-1 
Update README.md

Thx for vcpkg port update <3 u r already in CREDITS.md
 2025-07-14 17:37:12 +03:00
Saikari
646d295876 Update README.md 2025-07-14 16:25:16 +03:00
Orange++
8e09556c25 Update README.md 2025-07-08 17:14:52 +03:00
Orange++
7dbebc996d Update README.md 2025-07-08 17:13:24 +03:00
Orange++
278ffba0ff Update README.md 2025-07-08 17:01:56 +03:00
Orange
647cf02a38 Renames test fixture for clarity. 
Updates the name of the test fixture from "lline_tracer_fixture" to "line_tracer_fixture" for improved readability and consistency in the test code.
 2025-07-07 08:28:29 +03:00
Orange
4be2986681 Fixes potential compile error 
Corrects the usage of `At` method within the unit tests to `at` to resolve a potential compile error due to incorrect case sensitivity.
 2025-07-07 08:18:00 +03:00
Orange
06d9b4c910 fixed naming in tests 2025-07-07 08:02:35 +03:00
Orange++
a074fdcb92 Merge pull request #45 from luadebug/patch-1 
Check for ImGUI dependency in omathConfig.cmake.in
 2025-07-07 05:30:19 +03:00
Saikari
8241d9c355 Update omathConfig.cmake.in 2025-07-07 04:53:56 +03:00
Orange
66258f0f6d Updates CMake export target and namespace. 
Updates the CMake export target and namespace to use the project name,
improving consistency and avoiding naming conflicts.

Adds a simple diagram to the triangle header file.
 2025-07-06 11:14:46 +03:00
Orange
65541fa2c7 Renames library target to project name 
Updates the CMakeLists.txt to use the project name as the library target name instead of hardcoding "omath".

This change ensures consistency and avoids potential conflicts when integrating the library into other projects.
It also aligns the target naming with CMake best practices.
 2025-07-06 11:07:15 +03:00
Orange
7e4a6134bf added new method 2025-06-23 06:14:17 +03:00
Orange
a54a537239 fix 2025-06-17 21:34:25 +03:00
Orange
f01bbde537 added banner to repo 2025-06-17 21:33:39 +03:00
Orange
2c710555d6 fixed example 2025-06-16 01:40:14 +03:00
Orange++
9c2be6306c Merge pull request #39 from orange-cpp/u/orange-cpp/writerside 
U/orange cpp/writerside
 2025-05-21 16:58:19 +03:00
Orange
d37840d4ef fixed stuff 2025-05-21 16:57:17 +03:00
Orange
b4a3b5d529 added text 2025-05-21 16:47:15 +03:00
Orange
c2a772142c fix 2025-05-21 16:47:15 +03:00
Orange
76fca7f527 fix 2025-05-21 16:47:15 +03:00
Orange
73ccd24e3e improved intro 2025-05-21 16:47:15 +03:00
Orange
a642feafb5 added new topic 2025-05-21 16:47:15 +03:00
Orange
faf9f34af8 stipped away text 2025-05-21 16:47:15 +03:00
Orange
b56801ac91 added files 2025-05-21 16:47:15 +03:00
Orange
a81d12d480 fixed version 2025-05-13 09:48:46 +03:00
Orange
17eb0cd0dc improved naming 2025-05-13 09:47:08 +03:00
Orange
52024285d2 added noexcept 2025-05-13 09:34:39 +03:00
Orange
f179aea4d7 removed even float type from vector classes 2025-05-13 09:22:23 +03:00
Orange++
1196bb86b4 Merge pull request #44 from orange-cpp/feature/noexcept 
Feature/noexcept
 2025-05-05 02:34:43 +03:00
Orange
5489c296e9 added more noexcept 2025-05-05 02:24:23 +03:00
Orange
50ddf2d31e added more noexcept 2025-05-05 01:46:50 +03:00
Orange
a6e4c0461d added noexcept 2025-05-05 01:16:12 +03:00
Orange
6749f9f759 added noexcept for color and angles 2025-05-04 19:16:49 +03:00
Orange
9a38d47b0d added noexcept for vector types 2025-05-04 19:13:26 +03:00
Orange
f6f8bba032 changed license to zlib 2025-05-04 19:05:10 +03:00
Orange
ce08fcdd29 removed useless source files 2025-05-04 19:03:18 +03:00
Orange
49ea113348 fixed style 2025-05-04 18:54:33 +03:00
Orange
af21f9a946 removed pow 2025-05-04 18:07:35 +03:00
Orange
f096f7179f fixed clang format 2025-05-04 17:42:32 +03:00
Orange++
e025e99d18 Update README.md 2025-05-04 00:55:35 +03:00
Orange++
30eef59360 Update cmake-multi-platform.yml 
switched to clang

Update cmake-multi-platform.yml
Update cmake-multi-platform.yml
Update cmake-multi-platform.yml
Update cmake-multi-platform.yml
Update cmake-multi-platform.yml
Update cmake-multi-platform.yml
Update cmake-multi-platform.yml
Update cmake-multi-platform.yml
added runtime dir

fix
 2025-05-03 22:51:46 +03:00
Orange++
c2a6cf5c47 Merge pull request #43 from orange-cpp/orange-cpp-ci 
Create cmake-multi-platform.yml
 2025-05-03 22:04:37 +03:00
Orange++
7f55383bc1 Create cmake-multi-platform.yml 2025-05-03 22:04:10 +03:00
Orange
449c60133c bugfix 2025-05-03 21:36:16 +03:00
Orange++
31d3359507 Merge pull request #42 from orange-cpp/feature/new-codestyle 
Feature/new codestyle
 2025-05-03 20:59:06 +03:00
Orange
dd738f365d fix 2025-05-03 20:51:50 +03:00
Orange
b5e788385d fixed style 2025-05-03 20:38:58 +03:00
Orange
df6d75e554 changed code style 2025-05-03 20:31:59 +03:00
Orange
be3fae63b8 patched clang format 2025-05-03 16:50:29 +03:00
Orange
dd731b60c3 updated clang format 2025-05-03 16:39:38 +03:00
170 changed files with 7752 additions and 3619 deletions
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82
.clang-format
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@@ -1,62 +1,64 @@
# Generated from CLion C/C++ Code Style settings # Generated by CLion for Stroustrup
--- # The Stroustrup style, named after Bjarne Stroustrup, the creator of C++, is similar to the K&R style but differs
Language: Cpp # in its treatment of the class definitions and the placement of braces in certain contexts. The opening brace is
# placed on the same line as the control statement, and the closing brace is on its own line.
BasedOnStyle: LLVM BasedOnStyle: LLVM
AccessModifierOffset: -4 AccessModifierOffset: -4
AlignConsecutiveAssignments: false AlignConsecutiveAssignments: None
AlignConsecutiveDeclarations: false AlignConsecutiveBitFields: None
AlignOperands: true AlignConsecutiveDeclarations: None
AlignConsecutiveMacros: AcrossEmptyLinesAndComments
AlignTrailingComments: false AlignTrailingComments: false
AllowShortBlocksOnASingleLine: false AllowShortBlocksOnASingleLine: Never
AllowShortFunctionsOnASingleLine: None AllowShortFunctionsOnASingleLine: None
AlwaysBreakTemplateDeclarations: Yes AllowShortIfStatementsOnASingleLine: false
BraceWrapping: AllowShortLoopsOnASingleLine: false
BreakTemplateDeclarations: Leave
BreakBeforeBraces: Custom
BraceWrapping:
AfterCaseLabel: true AfterCaseLabel: true
AfterClass: true AfterClass: true
AfterControlStatement: true
AfterEnum: true
AfterFunction: true AfterFunction: true
AfterControlStatement: true
SplitEmptyFunction: true
AfterEnum: true
AfterNamespace: true AfterNamespace: true
AfterStruct: true AfterStruct: true
AfterUnion: true AfterUnion: true
AfterExternBlock: true AfterExternBlock: true
BeforeCatch: false BeforeCatch: true
BeforeElse: false BeforeElse: true
BeforeLambdaBody: true BeforeLambdaBody: true
BeforeWhile: false BeforeWhile: true
IndentBraces: false
SplitEmptyFunction: true
SplitEmptyRecord: true SplitEmptyRecord: true
SplitEmptyNamespace: true SplitEmptyNamespace: true
BreakBeforeBraces: Custom BreakBeforeBinaryOperators: NonAssignment
BreakConstructorInitializers: AfterColon BreakBeforeConceptDeclarations: false
BreakConstructorInitializersBeforeComma: false
ColumnLimit: 120 ColumnLimit: 120
ConstructorInitializerAllOnOneLineOrOnePerLine: false IncludeBlocks: Merge
ContinuationIndentWidth: 8 IndentExternBlock: Indent
IncludeCategories: IndentRequiresClause: false
- Regex: '^<.*'
Priority: 1
- Regex: '^".*'
Priority: 2
- Regex: '.*'
Priority: 3
IncludeIsMainRegex: '([-_](test|unittest))?$'
IndentCaseLabels: true
IndentWidth: 4 IndentWidth: 4
InsertNewlineAtEOF: true ContinuationIndentWidth: 8
MacroBlockBegin: '' KeepEmptyLinesAtTheStartOfBlocks: false
MacroBlockEnd: ''
MaxEmptyLinesToKeep: 2
NamespaceIndentation: All NamespaceIndentation: All
PointerAlignment: Left PointerAlignment: Left
SpaceAfterCStyleCast: true SortUsingDeclarations: true
SpaceAfterTemplateKeyword: false SpaceAfterTemplateKeyword: false
SpaceBeforeCtorInitializerColon: false
SpaceBeforeParens: Custom
SpaceBeforeParensOptions:
AfterControlStatements: true
AfterFunctionDeclarationName: false
AfterFunctionDefinitionName: false
AfterForeachMacros: true
AfterIfMacros: true
AfterOverloadedOperator: false
BeforeNonEmptyParentheses: false
SpaceBeforeRangeBasedForLoopColon: false SpaceBeforeRangeBasedForLoopColon: false
SpaceInEmptyParentheses: false SpaceInEmptyParentheses: false
SpacesInAngles: false
SpacesInConditionalStatement: false
SpacesInCStyleCastParentheses: false SpacesInCStyleCastParentheses: false
SpacesInParentheses: false SpacesInConditionalStatement: false
TabWidth: 4 SpacesInContainerLiterals: false
... SpacesInParentheses: false

38
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---
name: Bug report
about: Create a report to help us improve
title: ''
labels: ''
assignees: ''
---
**Describe the bug**
A clear and concise description of what the bug is.
**To Reproduce**
Steps to reproduce the behavior:
1. Go to '...'
2. Click on '....'
3. Scroll down to '....'
4. See error
**Expected behavior**
A clear and concise description of what you expected to happen.
**Screenshots**
If applicable, add screenshots to help explain your problem.
**Desktop (please complete the following information):**
- OS: [e.g. iOS]
- Browser [e.g. chrome, safari]
- Version [e.g. 22]
**Smartphone (please complete the following information):**
- Device: [e.g. iPhone6]
- OS: [e.g. iOS8.1]
- Browser [e.g. stock browser, safari]
- Version [e.g. 22]
**Additional context**
Add any other context about the problem here.

10
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@@ -0,0 +1,10 @@
---
name: Custom issue template
about: Describe this issue template's purpose here.
title: ''
labels: ''
assignees: ''
---

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@@ -0,0 +1,20 @@
---
name: Feature request
about: Suggest an idea for this project
title: ''
labels: ''
assignees: ''
---
**Is your feature request related to a problem? Please describe.**
A clear and concise description of what the problem is. Ex. I'm always frustrated when [...]
**Describe the solution you'd like**
A clear and concise description of what you want to happen.
**Describe alternatives you've considered**
A clear and concise description of any alternative solutions or features you've considered.
**Additional context**
Add any other context or screenshots about the feature request here.

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name: Omath CI (Arch Linux / Windows)
on:
push:
branches: [ main ]
pull_request:
branches: [ main ]
concurrency:
group: ci-${{ github.ref }}
cancel-in-progress: true
##############################################################################
# 1) ARCH LINUX – Clang / Ninja
##############################################################################
jobs:
arch-build-and-test:
name: Arch Linux (Clang)
runs-on: ubuntu-latest
container: archlinux:latest
env:
VCPKG_ROOT: ${{ github.workspace }}/vcpkg
steps:
- name: Install basic tool-chain with pacman
shell: bash
run: |
pacman -Sy --noconfirm archlinux-keyring
pacman -Syu --noconfirm --needed \
git base-devel clang cmake ninja zip unzip fmt
- name: Checkout repository (with sub-modules)
uses: actions/checkout@v4
with:
submodules: recursive
- name: Set up vcpkg
shell: bash
run: |
git clone https://github.com/microsoft/vcpkg "$VCPKG_ROOT"
- name: Configure (cmake --preset)
shell: bash
run: cmake --preset linux-release -DOMATH_BUILD_TESTS=ON -DOMATH_BUILD_BENCHMARK=OFF -DOMATH_BUILD_VIA_VCPKG=ON -DVCPKG_MANIFEST_FEATURES="imgui;avx2;tests"
- name: Build
shell: bash
run: cmake --build cmake-build/build/linux-release --target unit_tests omath
- name: Run unit_tests
shell: bash
run: ./out/Release/unit_tests
##############################################################################
# 2) Windows – MSVC / Ninja
##############################################################################
windows-build-and-test:
name: Windows (MSVC)
runs-on: windows-latest
env:
OMATH_BUILD_VIA_VCPKG: ON
steps:
- name: Checkout repository (with sub-modules)
uses: actions/checkout@v4
with:
submodules: recursive
- name: Install Ninja
uses: seanmiddleditch/gha-setup-ninja@v4
- name: Set up MSVC developer command-prompt
uses: ilammy/msvc-dev-cmd@v1
- name: Configure (cmake --preset)
shell: bash
run: cmake --preset windows-release -DOMATH_BUILD_TESTS=ON -DOMATH_BUILD_BENCHMARK=OFF -DOMATH_BUILD_VIA_VCPKG=ON -DVCPKG_MANIFEST_FEATURES="imgui;avx2;tests"
- name: Build
shell: bash
run: cmake --build cmake-build/build/windows-release --target unit_tests omath
- name: Run unit_tests.exe
shell: bash
run: ./out/Release/unit_tests.exe

5
.gitignore vendored
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/cmake-build/ /cmake-build/
/.idea
/out /out
*.DS_Store *.DS_Store
/extlibs/vcpkg
.idea/workspace.xml

3
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[submodule "extlibs/googletest"]
path = extlibs/googletest
url = https://github.com/google/googletest.git

8
.idea/.gitignore generated vendored Normal file
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# Default ignored files
/shelf/
/workspace.xml
# Editor-based HTTP Client requests
/httpRequests/
# Datasource local storage ignored files
/dataSources/
/dataSources.local.xml

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<component name="ProjectCodeStyleConfiguration">
<code_scheme name="Project" version="173">
<RiderCodeStyleSettings>
<option name="/Default/CodeStyle/CodeFormatting/CppClangFormat/EnableClangFormatSupport/@EntryValue" value="true" type="bool" />
<option name="/Default/CodeStyle/EditorConfig/EnableClangFormatSupport/@EntryValue" value="false" type="bool" />
<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_BINARY_EXPRESSIONS_CHAIN/@EntryValue" value="true" type="bool" />
<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_CALLS_CHAIN/@EntryValue" value="false" type="bool" />
<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_EXPRESSION/@EntryValue" value="false" type="bool" />
<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTILINE_FOR_STMT/@EntryValue" value="true" type="bool" />
<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/ALIGN_MULTIPLE_DECLARATION/@EntryValue" value="false" type="bool" />
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<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/KEEP_USER_LINEBREAKS/@EntryValue" value="true" type="bool" />
<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INDENT_CASE_FROM_SWITCH/@EntryValue" value="true" type="bool" />
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<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_AFTER_PTR_IN_NESTED_DECLARATOR/@EntryValue" value="false" type="bool" />
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<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_BETWEEN_CLOSING_ANGLE_BRACKETS_IN_TEMPLATE_ARGS/@EntryValue" value="true" type="bool" />
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<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/SPACE_WITHIN_DECLARATION_PARENTHESES/@EntryValue" value="false" type="bool" />
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<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/WRAP_BEFORE_INVOCATION_RPAR/@EntryValue" value="false" type="bool" />
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<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/BREAK_TEMPLATE_DECLARATION/@EntryValue" value="LINE_BREAK" type="string" />
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<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/INITIALIZER_BRACES/@EntryValue" value="END_OF_LINE_NO_SPACE" type="string" />
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<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/TAB_WIDTH/@EntryValue" value="4" type="int" />
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<option name="/Default/CodeStyle/Naming/CppNaming/Rules/=Enums/@EntryIndexRemoved" value="true" type="bool" />
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<option name="/Default/CodeStyle/Naming/CppNaming/Rules/=Unions/@EntryIndexRemoved" value="true" type="bool" />
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<option name="/Default/CodeStyle/CodeFormatting/CppFormatting/LINKAGE_SPECIFICATION_BRACES/@EntryValue" value="NEXT_LINE" type="string" />
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435
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<option name="/Default/CodeStyle/Naming/CppNamingOptions/Rules/=72514D5DF422D442B71A277F97B72887/@EntryIndexRemoved" value="true" type="bool" />
<option name="/Default/CodeStyle/Naming/CppNamingOptions/Rules/=72514D5DF422D442B71A277F97B72887/@EntryIndexedValue" value="" type="string" />
<option name="/Default/CodeStyle/Naming/CppNamingOptions/Rules/=821F3C5CF47D5640AD3511BCBADE17C4/@EntryIndexRemoved" value="true" type="bool" />
<option name="/Default/CodeStyle/Naming/CppNamingOptions/Rules/=821F3C5CF47D5640AD3511BCBADE17C4/@EntryIndexedValue" value="" type="string" />
<option name="/Default/CodeStyle/Naming/CppNamingOptions/Rules/=82D01E1970D2F6419CE2737C415D3A01/@EntryIndexedValue" value="&lt;NamingElement Priority=&quot;3&quot; Title=&quot;Functions&quot;&gt;&lt;Descriptor Static=&quot;Indeterminate&quot; Constexpr=&quot;Indeterminate&quot; Const=&quot;Indeterminate&quot; Volatile=&quot;Indeterminate&quot; Accessibility=&quot;NOT_APPLICABLE&quot;&gt;&lt;type Name=&quot;global function&quot; /&gt;&lt;type Name=&quot;member function&quot; /&gt;&lt;/Descriptor&gt;&lt;Policy Inspect=&quot;True&quot; WarnAboutPrefixesAndSuffixes=&quot;False&quot; Prefix=&quot;&quot; Suffix=&quot;&quot; Style=&quot;aa_bb&quot; /&gt;&lt;/NamingElement&gt;" type="string" />
<option name="/Default/CodeStyle/Naming/CppNamingOptions/Rules/=8F69F48E2532F54CBAA0039D4557825E/@EntryIndexRemoved" value="true" type="bool" />
<option name="/Default/CodeStyle/Naming/CppNamingOptions/Rules/=8F69F48E2532F54CBAA0039D4557825E/@EntryIndexedValue" value="" type="string" />
<option name="/Default/CodeStyle/Naming/CppNamingOptions/Rules/=9BA140847B0718418342A07C8F0CE1ED/@EntryIndexedValue" value="&lt;NamingElement Priority=&quot;7&quot; Title=&quot;Macros&quot;&gt;&lt;Descriptor Static=&quot;Indeterminate&quot; Constexpr=&quot;Indeterminate&quot; Const=&quot;Indeterminate&quot; Volatile=&quot;Indeterminate&quot; Accessibility=&quot;NOT_APPLICABLE&quot;&gt;&lt;type Name=&quot;macro&quot; /&gt;&lt;/Descriptor&gt;&lt;Policy Inspect=&quot;True&quot; WarnAboutPrefixesAndSuffixes=&quot;False&quot; Prefix=&quot;&quot; Suffix=&quot;&quot; Style=&quot;AA_BB&quot; /&gt;&lt;/NamingElement&gt;" type="string" />
<option name="/Default/CodeStyle/Naming/CppNamingOptions/Rules/=9E4D28CA929F6B4AB5F6F3FEB9E69A47/@EntryIndexRemoved" value="true" type="bool" />
<option name="/Default/CodeStyle/Naming/CppNamingOptions/Rules/=9E4D28CA929F6B4AB5F6F3FEB9E69A47/@EntryIndexedValue" value="" type="string" />
<option name="/Default/CodeStyle/Naming/CppNamingOptions/Rules/=A279BB9D47B8754E9482D81B5D3B3489/@EntryIndexedValue" value="&lt;NamingElement Priority=&quot;2&quot; Title=&quot;Types&quot;&gt;&lt;Descriptor Static=&quot;Indeterminate&quot; Constexpr=&quot;Indeterminate&quot; Const=&quot;Indeterminate&quot; Volatile=&quot;Indeterminate&quot; Accessibility=&quot;NOT_APPLICABLE&quot;&gt;&lt;type Name=&quot;__interface&quot; /&gt;&lt;type Name=&quot;class&quot; /&gt;&lt;type Name=&quot;concept&quot; /&gt;&lt;type Name=&quot;enum&quot; /&gt;&lt;type Name=&quot;struct&quot; /&gt;&lt;type Name=&quot;type alias&quot; /&gt;&lt;type Name=&quot;type template parameter&quot; /&gt;&lt;type Name=&quot;typedef&quot; /&gt;&lt;type Name=&quot;union&quot; /&gt;&lt;/Descriptor&gt;&lt;Policy Inspect=&quot;True&quot; WarnAboutPrefixesAndSuffixes=&quot;False&quot; Prefix=&quot;&quot; Suffix=&quot;&quot; Style=&quot;AaBb&quot; /&gt;&lt;/NamingElement&gt;" type="string" />
<option name="/Default/CodeStyle/Naming/CppNamingOptions/Rules/=A42D627FA43B054F91D1E1C4281D8896/@EntryIndexRemoved" value="true" type="bool" />
<option name="/Default/CodeStyle/Naming/CppNamingOptions/Rules/=A42D627FA43B054F91D1E1C4281D8896/@EntryIndexedValue" value="" type="string" />
<option name="/Default/CodeStyle/Naming/CppNamingOptions/Rules/=A4FAA2257682A94F8C2C93E123FAFC7A/@EntryIndexRemoved" value="true" type="bool" />
<option name="/Default/CodeStyle/Naming/CppNamingOptions/Rules/=A4FAA2257682A94F8C2C93E123FAFC7A/@EntryIndexedValue" value="" type="string" />
<option name="/Default/CodeStyle/Naming/CppNamingOptions/Rules/=A7EBF16DA3BDCB42A0B710704BC8A053/@EntryIndexRemoved" value="true" type="bool" />
<option name="/Default/CodeStyle/Naming/CppNamingOptions/Rules/=A7EBF16DA3BDCB42A0B710704BC8A053/@EntryIndexedValue" value="" type="string" />
<option name="/Default/CodeStyle/Naming/CppNamingOptions/Rules/=AA17EF9DE2E5364DAEBE52F9EBBEA658/@EntryIndexedValue" value="&lt;NamingElement Priority=&quot;6&quot; Title=&quot;Parameters&quot;&gt;&lt;Descriptor Static=&quot;Indeterminate&quot; Constexpr=&quot;Indeterminate&quot; Const=&quot;Indeterminate&quot; Volatile=&quot;Indeterminate&quot; Accessibility=&quot;NOT_APPLICABLE&quot;&gt;&lt;type Name=&quot;function parameter&quot; /&gt;&lt;type Name=&quot;lambda parameter&quot; /&gt;&lt;/Descriptor&gt;&lt;Policy Inspect=&quot;True&quot; WarnAboutPrefixesAndSuffixes=&quot;False&quot; Prefix=&quot;&quot; Suffix=&quot;&quot; Style=&quot;aa_bb&quot; /&gt;&lt;/NamingElement&gt;" type="string" />
<option name="/Default/CodeStyle/Naming/CppNamingOptions/Rules/=B6E900853D6D05429D8C57765B2E546A/@EntryIndexRemoved" value="true" type="bool" />
<option name="/Default/CodeStyle/Naming/CppNamingOptions/Rules/=B6E900853D6D05429D8C57765B2E546A/@EntryIndexedValue" value="" type="string" />
<option name="/Default/CodeStyle/Naming/CppNamingOptions/Rules/=B82A063F0DDD98498A70D8D7EBB97F8D/@EntryIndexRemoved" value="true" type="bool" />
<option name="/Default/CodeStyle/Naming/CppNamingOptions/Rules/=B82A063F0DDD98498A70D8D7EBB97F8D/@EntryIndexedValue" value="" type="string" />
<option name="/Default/CodeStyle/Naming/CppNamingOptions/Rules/=BBE8AA08E662BF409B2CB08EC597C493/@EntryIndexRemoved" value="true" type="bool" />
<option name="/Default/CodeStyle/Naming/CppNamingOptions/Rules/=BBE8AA08E662BF409B2CB08EC597C493/@EntryIndexedValue" value="" type="string" />
<option name="/Default/CodeStyle/Naming/CppNamingOptions/Rules/=BF0D1AE66D64FE4FAF613448A12051A0/@EntryIndexRemoved" value="true" type="bool" />
<option name="/Default/CodeStyle/Naming/CppNamingOptions/Rules/=BF0D1AE66D64FE4FAF613448A12051A0/@EntryIndexedValue" value="" type="string" />
<option name="/Default/CodeStyle/Naming/CppNamingOptions/Rules/=DC1F6BB6E0EFFC49A38E940DB8A84CF6/@EntryIndexedValue" value="&lt;NamingElement Priority=&quot;5&quot; Title=&quot;Variables&quot;&gt;&lt;Descriptor Static=&quot;Indeterminate&quot; Constexpr=&quot;Indeterminate&quot; Const=&quot;Indeterminate&quot; Volatile=&quot;Indeterminate&quot; Accessibility=&quot;NOT_APPLICABLE&quot;&gt;&lt;type Name=&quot;global variable&quot; /&gt;&lt;type Name=&quot;lambda&quot; /&gt;&lt;type Name=&quot;local variable&quot; /&gt;&lt;/Descriptor&gt;&lt;Policy Inspect=&quot;True&quot; WarnAboutPrefixesAndSuffixes=&quot;False&quot; Prefix=&quot;&quot; Suffix=&quot;&quot; Style=&quot;aa_bb&quot; /&gt;&lt;/NamingElement&gt;" type="string" />
</component>
</project>

8
.idea/inspectionProfiles/Project_Default.xml generated Normal file
View File

@@ -0,0 +1,8 @@
<component name="InspectionProjectProfileManager">
<profile version="1.0">
<option name="myName" value="Project Default" />
<inspection_tool class="CppInconsistentNaming" enabled="true" level="HINT" enabled_by_default="true" />
<inspection_tool class="CppTabsAreDisallowed" enabled="true" level="WARNING" enabled_by_default="true" />
<inspection_tool class="CppUnnecessaryWhitespace" enabled="true" level="WARNING" enabled_by_default="true" />
</profile>
</component>

7
.idea/inspectionProfiles/profiles_settings.xml generated Normal file
View File

@@ -0,0 +1,7 @@
<component name="InspectionProjectProfileManager">
<settings>
<option name="PROJECT_PROFILE" value="Default" />
<option name="USE_PROJECT_PROFILE" value="false" />
<version value="1.0" />
</settings>
</component>

12
.idea/misc.xml generated Normal file
View File

@@ -0,0 +1,12 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="CMakePythonSetting">
<option name="pythonIntegrationState" value="YES" />
</component>
<component name="CMakeWorkspace" PROJECT_DIR="$PROJECT_DIR$" />
<component name="CidrRootsConfiguration">
<excludeRoots>
<file path="$PROJECT_DIR$/cmake-build" />
</excludeRoots>
</component>
</project>

8
.idea/modules.xml generated Normal file
View File

@@ -0,0 +1,8 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ProjectModuleManager">
<modules>
<module fileurl="file://$PROJECT_DIR$/.idea/omath.iml" filepath="$PROJECT_DIR$/.idea/omath.iml" />
</modules>
</component>
</project>

2
.idea/omath.iml generated Normal file
View File

@@ -0,0 +1,2 @@
<?xml version="1.0" encoding="UTF-8"?>
<module classpath="CMake" type="CPP_MODULE" version="4" />

8
.idea/vcs.xml generated Normal file
View File

@@ -0,0 +1,8 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="VcsDirectoryMappings">
<mapping directory="" vcs="Git" />
<mapping directory="$PROJECT_DIR$/extlibs/benchmark" vcs="Git" />
<mapping directory="$PROJECT_DIR$/extlibs/googletest" vcs="Git" />
</component>
</project>

142
CMakeLists.txt
View File

@@ -1,39 +1,89 @@
cmake_minimum_required(VERSION 3.26) cmake_minimum_required(VERSION 3.26)
project(omath VERSION 1.0.1 LANGUAGES CXX) project(omath VERSION 4.0.0 LANGUAGES CXX)
include(CMakePackageConfigHelpers) include(CMakePackageConfigHelpers)
include(CheckCXXCompilerFlag)
if (MSVC)
check_cxx_compiler_flag("/arch:AVX2" COMPILER_SUPPORTS_AVX2)
else ()
check_cxx_compiler_flag("-mavx2" COMPILER_SUPPORTS_AVX2)
endif ()
option(OMATH_BUILD_TESTS "Build unit tests" OFF) option(OMATH_BUILD_TESTS "Build unit tests" ${PROJECT_IS_TOP_LEVEL})
option(OMATH_BUILD_BENCHMARK "Build benchmarks" OFF)
option(OMATH_THREAT_WARNING_AS_ERROR "Set highest level of warnings and force compiler to treat them as errors" ON) option(OMATH_THREAT_WARNING_AS_ERROR "Set highest level of warnings and force compiler to treat them as errors" ON)
option(OMATH_BUILD_AS_SHARED_LIBRARY "Build Omath as .so or .dll" OFF) option(OMATH_BUILD_AS_SHARED_LIBRARY "Build Omath as .so or .dll" OFF)
option(OMATH_USE_AVX2 "Omath will use AVX2 to boost performance" ON) option(OMATH_USE_AVX2 "Omath will use AVX2 to boost performance" ${COMPILER_SUPPORTS_AVX2})
option(OMATH_IMGUI_INTEGRATION "Omath will define method to convert omath types to imgui types" OFF) option(OMATH_IMGUI_INTEGRATION "Omath will define method to convert omath types to imgui types" OFF)
option(OMATH_BUILD_EXAMPLES "Build example projects with you can learn & play" OFF) option(OMATH_BUILD_EXAMPLES "Build example projects with you can learn & play" OFF)
option(OMATH_STATIC_MSVC_RUNTIME_LIBRARY "Force Omath to link static runtime" OFF) option(OMATH_STATIC_MSVC_RUNTIME_LIBRARY "Force Omath to link static runtime" OFF)
option(OMATH_SUPRESS_SAFETY_CHECKS "Supress some safety checks in release build to improve general performance" ON) option(OMATH_SUPRESS_SAFETY_CHECKS "Supress some safety checks in release build to improve general performance" ON)
option(OMATH_USE_UNITY_BUILD "Will enable unity build to speed up compilation" ON) option(OMATH_USE_UNITY_BUILD "Will enable unity build to speed up compilation" OFF)
option(OMATH_ENABLE_LEGACY "Will enable legacy classes that MUST be used ONLY for backward compatibility" ON)
option(OMATH_BUILD_VIA_VCPKG "Will enable building using vcpkg, vcpkg will override some options that were set in vcpkg.json file, and search for dependencies using vcpkg" OFF)
if (OMATH_BUILD_VIA_VCPKG AND NOT CMAKE_TOOLCHAIN_FILE)
message(FATAL_ERROR "[${PROJECT_NAME}] CMAKE_TOOLCHAIN_FILE IS EMPTY! Please set env variable called 'VCPKG_ROOT' to vcpkg root folder here is an example: 'C:/vcpkg' or '/home/user/vcpkg' ")
endif ()
if (OMATH_BUILD_VIA_VCPKG AND VCPKG_MANIFEST_FEATURES)
foreach (omath_feature IN LISTS VCPKG_MANIFEST_FEATURES)
if (omath_feature STREQUAL "imgui")
set(OMATH_IMGUI_INTEGRATION ON)
elseif (omath_feature STREQUAL "avx2")
set(OMATH_USE_AVX2 ${COMPILER_SUPPORTS_AVX2})
elseif (omath_feature STREQUAL "tests")
set(OMATH_BUILD_TESTS ON)
elseif (omath_feature STREQUAL "benchmark")
set(OMATH_BUILD_BENCHMARK ON)
endif ()
endforeach ()
endif ()
if (OMATH_USE_AVX2 AND NOT COMPILER_SUPPORTS_AVX2)
message(WARNING "OMATH_USE_AVX2 requested, but compiler/target does not support AVX2. Disabling.")
set(OMATH_USE_AVX2 OFF CACHE BOOL "Omath will use AVX2 to boost performance" FORCE)
endif ()
if (${PROJECT_IS_TOP_LEVEL})
message(STATUS "[${PROJECT_NAME}]: Building on ${CMAKE_HOST_SYSTEM_NAME}, compiler ${CMAKE_CXX_COMPILER_ID}")
message(STATUS "[${PROJECT_NAME}]: Warnings as errors ${OMATH_THREAT_WARNING_AS_ERROR}")
message(STATUS "[${PROJECT_NAME}]: Build unit tests ${OMATH_BUILD_TESTS}")
message(STATUS "[${PROJECT_NAME}]: Build benchmark ${OMATH_BUILD_BENCHMARK}")
message(STATUS "[${PROJECT_NAME}]: As dynamic library ${OMATH_BUILD_AS_SHARED_LIBRARY}")
message(STATUS "[${PROJECT_NAME}]: Static C++ runtime ${OMATH_STATIC_MSVC_RUNTIME_LIBRARY}")
message(STATUS "[${PROJECT_NAME}]: CMake unity build ${OMATH_USE_UNITY_BUILD}")
message(STATUS "[${PROJECT_NAME}]: Example projects ${OMATH_BUILD_EXAMPLES}")
message(STATUS "[${PROJECT_NAME}]: AVX2 feature status ${OMATH_USE_AVX2}")
message(STATUS "[${PROJECT_NAME}]: ImGUI integration feature status ${OMATH_IMGUI_INTEGRATION}")
message(STATUS "[${PROJECT_NAME}]: Legacy features support ${OMATH_ENABLE_LEGACY}")
message(STATUS "[${PROJECT_NAME}]: Building using vcpkg ${OMATH_BUILD_VIA_VCPKG}")
endif ()
file(GLOB_RECURSE OMATH_SOURCES CONFIGURE_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/source/*.cpp") file(GLOB_RECURSE OMATH_SOURCES CONFIGURE_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/source/*.cpp")
file(GLOB_RECURSE OMATH_HEADERS CONFIGURE_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/include/*.hpp") file(GLOB_RECURSE OMATH_HEADERS CONFIGURE_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/include/*.hpp")
if (OMATH_BUILD_AS_SHARED_LIBRARY) if (OMATH_BUILD_AS_SHARED_LIBRARY)
add_library(omath SHARED ${OMATH_SOURCES} ${OMATH_HEADERS}) add_library(${PROJECT_NAME} SHARED ${OMATH_SOURCES} ${OMATH_HEADERS})
else () else ()
add_library(omath STATIC ${OMATH_SOURCES} ${OMATH_HEADERS}) add_library(${PROJECT_NAME} STATIC ${OMATH_SOURCES} ${OMATH_HEADERS})
endif () endif ()
message(STATUS "Building on ${CMAKE_HOST_SYSTEM_NAME}")
add_library(omath::omath ALIAS omath) add_library(${PROJECT_NAME}::${PROJECT_NAME} ALIAS ${PROJECT_NAME})
target_compile_definitions(${PROJECT_NAME} PUBLIC OMATH_VERSION="${PROJECT_VERSION}")
if (OMATH_IMGUI_INTEGRATION) if (OMATH_IMGUI_INTEGRATION)
target_compile_definitions(omath PUBLIC OMATH_IMGUI_INTEGRATION) target_compile_definitions(${PROJECT_NAME} PUBLIC OMATH_IMGUI_INTEGRATION)
# IMGUI is being linked as submodule # IMGUI is being linked as submodule
if (TARGET imgui) if (TARGET imgui)
target_link_libraries(omath PUBLIC imgui) target_link_libraries(${PROJECT_NAME} PUBLIC imgui)
install(TARGETS imgui install(TARGETS imgui
EXPORT omathTargets EXPORT omathTargets
ARCHIVE DESTINATION lib ARCHIVE DESTINATION lib
@@ -42,47 +92,60 @@ if (OMATH_IMGUI_INTEGRATION)
else () else ()
# Assume that IMGUI linked via VCPKG. # Assume that IMGUI linked via VCPKG.
find_package(imgui CONFIG REQUIRED) find_package(imgui CONFIG REQUIRED)
target_link_libraries(omath PUBLIC imgui::imgui) target_link_libraries(${PROJECT_NAME} PUBLIC imgui::imgui)
endif () endif ()
endif () endif ()
if (OMATH_USE_AVX2) if (OMATH_USE_AVX2)
target_compile_definitions(omath PUBLIC OMATH_USE_AVX2) target_compile_definitions(${PROJECT_NAME} PUBLIC OMATH_USE_AVX2)
endif () endif ()
if (OMATH_SUPRESS_SAFETY_CHECKS) if (OMATH_SUPRESS_SAFETY_CHECKS)
target_compile_definitions(omath PUBLIC OMATH_SUPRESS_SAFETY_CHECKS) target_compile_definitions(${PROJECT_NAME} PUBLIC OMATH_SUPRESS_SAFETY_CHECKS)
endif () endif ()
set_target_properties(omath PROPERTIES if (OMATH_ENABLE_LEGACY)
target_compile_definitions(${PROJECT_NAME} PUBLIC OMATH_ENABLE_LEGACY)
endif ()
set_target_properties(${PROJECT_NAME} PROPERTIES
ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}" ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
LIBRARY_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}" LIBRARY_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
CXX_STANDARD 23 CXX_STANDARD 23
CXX_STANDARD_REQUIRED ON) CXX_STANDARD_REQUIRED ON)
if (OMATH_USE_UNITY_BUILD) if (OMATH_USE_UNITY_BUILD)
set_target_properties(omath PROPERTIES set_target_properties(${PROJECT_NAME} PROPERTIES
UNITY_BUILD ON UNITY_BUILD ON
UNITY_BUILD_BATCH_SIZE 20) UNITY_BUILD_BATCH_SIZE 20)
endif () endif ()
if (OMATH_STATIC_MSVC_RUNTIME_LIBRARY) if (OMATH_STATIC_MSVC_RUNTIME_LIBRARY)
set_target_properties(omath PROPERTIES set_target_properties(${PROJECT_NAME} PROPERTIES
MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>" MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>"
) )
endif () endif ()
if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang") if (OMATH_USE_AVX2)
target_compile_options(omath PRIVATE -mavx2 -mfma) if (MSVC)
target_compile_options(${PROJECT_NAME} PUBLIC /arch:AVX2)
elseif (EMSCRIPTEN)
target_compile_options(${PROJECT_NAME} PUBLIC -msimd128 -mavx2)
elseif (CMAKE_CXX_COMPILER_ID MATCHES "GNU|Clang|AppleClang")
target_compile_options(${PROJECT_NAME} PUBLIC -mfma -mavx2)
endif ()
endif () endif ()
target_compile_features(omath PUBLIC cxx_std_23) target_compile_features(${PROJECT_NAME} PUBLIC cxx_std_23)
if (OMATH_BUILD_TESTS) if (OMATH_BUILD_TESTS)
add_subdirectory(extlibs)
add_subdirectory(tests) add_subdirectory(tests)
target_compile_definitions(${PROJECT_NAME} PUBLIC OMATH_BUILD_TESTS)
endif ()
if (OMATH_BUILD_BENCHMARK)
add_subdirectory(benchmark)
endif () endif ()
if (OMATH_BUILD_EXAMPLES) if (OMATH_BUILD_EXAMPLES)
@@ -90,12 +153,17 @@ if (OMATH_BUILD_EXAMPLES)
endif () endif ()
if (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC" AND OMATH_THREAT_WARNING_AS_ERROR) if (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC" AND OMATH_THREAT_WARNING_AS_ERROR)
target_compile_options(omath PRIVATE /W4 /WX) target_compile_options(${PROJECT_NAME} PRIVATE /W4 /WX)
elseif (OMATH_THREAT_WARNING_AS_ERROR) elseif (OMATH_THREAT_WARNING_AS_ERROR)
target_compile_options(omath PRIVATE -Wall -Wextra -Wpedantic -Werror) target_compile_options(${PROJECT_NAME} PRIVATE -Wall -Wextra -Wpedantic -Werror)
endif () endif ()
target_include_directories(omath # Windows SDK redefine min/max via preprocessor and break std::min and std::max
if (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
target_compile_definitions(${PROJECT_NAME} INTERFACE NOMINMAX)
endif ()
target_include_directories(${PROJECT_NAME}
PUBLIC PUBLIC
$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include> # Use this path when building the project $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include> # Use this path when building the project
$<INSTALL_INTERFACE:include> # Use this path when the project is installed $<INSTALL_INTERFACE:include> # Use this path when the project is installed
@@ -105,21 +173,21 @@ target_include_directories(omath
# Installation rules # Installation rules
# Install the library # Install the library
install(TARGETS omath install(TARGETS ${PROJECT_NAME}
EXPORT omathTargets EXPORT ${PROJECT_NAME}Targets
ARCHIVE DESTINATION lib COMPONENT omath # For static libraries ARCHIVE DESTINATION lib COMPONENT ${PROJECT_NAME} # For static libraries
LIBRARY DESTINATION lib COMPONENT omath # For shared libraries LIBRARY DESTINATION lib COMPONENT ${PROJECT_NAME} # For shared libraries
RUNTIME DESTINATION bin COMPONENT omath # For executables (on Windows) RUNTIME DESTINATION bin COMPONENT ${PROJECT_NAME} # For executables (on Windows)
) )
# Install headers as part of omath_component # Install headers as part of omath_component
install(DIRECTORY include/ DESTINATION include COMPONENT omath) install(DIRECTORY include/ DESTINATION include COMPONENT ${PROJECT_NAME})
# Export omath target for CMake find_package support, also under omath_component # Export omath target for CMake find_package support, also under omath_component
install(EXPORT omathTargets install(EXPORT ${PROJECT_NAME}Targets
FILE omathTargets.cmake FILE ${PROJECT_NAME}Targets.cmake
NAMESPACE omath:: NAMESPACE ${PROJECT_NAME}::
DESTINATION lib/cmake/omath COMPONENT omath DESTINATION lib/cmake/${PROJECT_NAME} COMPONENT ${PROJECT_NAME}
) )
@@ -134,12 +202,12 @@ write_basic_package_version_file(
configure_package_config_file( configure_package_config_file(
"${CMAKE_CURRENT_SOURCE_DIR}/cmake/omathConfig.cmake.in" # Path to the .in file "${CMAKE_CURRENT_SOURCE_DIR}/cmake/omathConfig.cmake.in" # Path to the .in file
"${CMAKE_CURRENT_BINARY_DIR}/omathConfig.cmake" # Output path for the generated file "${CMAKE_CURRENT_BINARY_DIR}/omathConfig.cmake" # Output path for the generated file
INSTALL_DESTINATION lib/cmake/omath INSTALL_DESTINATION lib/cmake/${PROJECT_NAME}
) )
# Install the generated config files # Install the generated config files
install(FILES install(FILES
"${CMAKE_CURRENT_BINARY_DIR}/omathConfig.cmake" "${CMAKE_CURRENT_BINARY_DIR}/omathConfig.cmake"
"${CMAKE_CURRENT_BINARY_DIR}/omathConfigVersion.cmake" "${CMAKE_CURRENT_BINARY_DIR}/omathConfigVersion.cmake"
DESTINATION lib/cmake/omath DESTINATION lib/cmake/${PROJECT_NAME}
) )

68
CMakePresets.json
View File

@@ -8,8 +8,10 @@
"binaryDir": "${sourceDir}/cmake-build/build/${presetName}", "binaryDir": "${sourceDir}/cmake-build/build/${presetName}",
"installDir": "${sourceDir}/cmake-build/install/${presetName}", "installDir": "${sourceDir}/cmake-build/install/${presetName}",
"cacheVariables": { "cacheVariables": {
"CMAKE_C_COMPILER": "cl.exe", "CMAKE_CXX_COMPILER": "cl.exe",
"CMAKE_CXX_COMPILER": "cl.exe" "CMAKE_TOOLCHAIN_FILE": "$env{VCPKG_ROOT}/scripts/buildsystems/vcpkg.cmake",
"VCPKG_INSTALLED_DIR": "${sourceDir}/cmake-build/vcpkg_installed",
"CMAKE_MAKE_PROGRAM": "Ninja"
}, },
"condition": { "condition": {
"type": "equals", "type": "equals",
@@ -25,6 +27,25 @@
"CMAKE_BUILD_TYPE": "Debug" "CMAKE_BUILD_TYPE": "Debug"
} }
}, },
{
"name": "windows-debug-vcpkg",
"displayName": "Debug",
"inherits": "windows-base",
"cacheVariables": {
"CMAKE_BUILD_TYPE": "Debug",
"OMATH_BUILD_VIA_VCPKG": "ON",
"VCPKG_MANIFEST_FEATURES": "tests;imgui;avx2"
}
},
{
"name": "windows-release-vcpkg",
"displayName": "Release",
"inherits": "windows-base",
"cacheVariables": {
"CMAKE_BUILD_TYPE": "Release",
"OMATH_BUILD_VIA_VCPKG": "ON"
}
},
{ {
"name": "windows-release", "name": "windows-release",
"displayName": "Release", "displayName": "Release",
@@ -40,8 +61,10 @@
"binaryDir": "${sourceDir}/cmake-build/build/${presetName}", "binaryDir": "${sourceDir}/cmake-build/build/${presetName}",
"installDir": "${sourceDir}/cmake-build/install/${presetName}", "installDir": "${sourceDir}/cmake-build/install/${presetName}",
"cacheVariables": { "cacheVariables": {
"CMAKE_C_COMPILER": "gcc", "CMAKE_CXX_COMPILER": "clang++",
"CMAKE_CXX_COMPILER": "g++" "CMAKE_TOOLCHAIN_FILE": "$env{VCPKG_ROOT}/scripts/buildsystems/vcpkg.cmake",
"VCPKG_INSTALLED_DIR": "${sourceDir}/cmake-build/vcpkg_installed",
"CMAKE_MAKE_PROGRAM": "ninja"
}, },
"condition": { "condition": {
"type": "equals", "type": "equals",
@@ -57,6 +80,15 @@
"CMAKE_BUILD_TYPE": "Debug" "CMAKE_BUILD_TYPE": "Debug"
} }
}, },
{
"name": "linux-debug-vcpkg",
"displayName": "Linux Debug",
"inherits": "linux-base",
"cacheVariables": {
"CMAKE_BUILD_TYPE": "Debug",
"OMATH_BUILD_VIA_VCPKG": "ON"
}
},
{ {
"name": "linux-release", "name": "linux-release",
"displayName": "Linux Release", "displayName": "Linux Release",
@@ -65,6 +97,15 @@
"CMAKE_BUILD_TYPE": "Release" "CMAKE_BUILD_TYPE": "Release"
} }
}, },
{
"name": "linux-release-vcpkg",
"displayName": "Linux Release",
"inherits": "linux-debug",
"cacheVariables": {
"CMAKE_BUILD_TYPE": "Release",
"OMATH_BUILD_VIA_VCPKG": "ON"
}
},
{ {
"name": "darwin-base", "name": "darwin-base",
"hidden": true, "hidden": true,
@@ -72,7 +113,6 @@
"binaryDir": "${sourceDir}/cmake-build/build/${presetName}", "binaryDir": "${sourceDir}/cmake-build/build/${presetName}",
"installDir": "${sourceDir}/cmake-build/install/${presetName}", "installDir": "${sourceDir}/cmake-build/install/${presetName}",
"cacheVariables": { "cacheVariables": {
"CMAKE_C_COMPILER": "clang",
"CMAKE_CXX_COMPILER": "clang++" "CMAKE_CXX_COMPILER": "clang++"
}, },
"condition": { "condition": {
@@ -89,6 +129,15 @@
"CMAKE_BUILD_TYPE": "Debug" "CMAKE_BUILD_TYPE": "Debug"
} }
}, },
{
"name": "darwin-debug-vcpkg",
"displayName": "Darwin Debug",
"inherits": "darwin-base",
"cacheVariables": {
"CMAKE_BUILD_TYPE": "Debug",
"OMATH_BUILD_VIA_VCPKG": "ON"
}
},
{ {
"name": "darwin-release", "name": "darwin-release",
"displayName": "Darwin Release", "displayName": "Darwin Release",
@@ -96,6 +145,15 @@
"cacheVariables": { "cacheVariables": {
"CMAKE_BUILD_TYPE": "Release" "CMAKE_BUILD_TYPE": "Release"
} }
},
{
"name": "darwin-release-vcpkg",
"displayName": "Darwin Release",
"inherits": "darwin-debug",
"cacheVariables": {
"CMAKE_BUILD_TYPE": "Release",
"OMATH_BUILD_VIA_VCPKG": "ON"
}
} }
] ]
} }

32
CONTRIBUTING.md Normal file
View File

@@ -0,0 +1,32 @@
## 🤝 Contributing to OMath or other Orange's Projects
### ❕ Prerequisites
- A working up-to-date OMath installation
- C++ knowledge
- Git knowledge
- Ability to ask for help (Feel free to create empty pull-request or PM a maintainer
in [Telegram](https://t.me/orange_cpp))
### ⏬ Setting up OMath
Please read INSTALL.md file in repository
### 🔀 Pull requests and Branches
In order to send code back to the official OMath repository, you must first create a copy of OMath on your github
account ([fork](https://help.github.com/articles/creating-a-pull-request-from-a-fork/)) and
then [create a pull request](https://help.github.com/articles/creating-a-pull-request-from-a-fork/) back to OMath.
OMath developement is performed on multiple branches. Changes are then pull requested into master. By default, changes
merged into master will not roll out to stable build users unless the `stable` tag is updated.
### 📜 Code-Style
The orange code-style can be found in `.clang-format`.
### 📦 Building
OMath has already created the `cmake-build` and `out` directories where cmake/bin files are located. By default, you
can build OMath by running `cmake --build cmake-build/build/windows-release --target omath -j 6` in the source
directory.

6
CREDITS.md
View File

@@ -2,10 +2,12 @@
Thanks to everyone who made this possible, including: Thanks to everyone who made this possible, including:
- Saikari aka luadebug for VCPKG port. - Saikari aka luadebug for VCPKG port and awesome new initial logo design.
- AmbushedRaccoon for telegram post about omath to boost repository activity.
- Billy O'Neal aka BillyONeal for fixing compilation issues due to C math library compatibility.
And a big hand to everyone else who has contributed over the past! And a big hand to everyone else who has contributed over the past!
THANKS! <3 THANKS! <3
-- Orange++ <orange-cpp@yandex.ru> -- Orange++ <orange_github@proton.me>

16
INSTALL.md
View File

@@ -14,6 +14,20 @@ target_link_libraries(main PRIVATE omath::omath)
``` ```
For detailed commands on installing different versions and more information, please refer to Microsoft's [official instructions](https://learn.microsoft.com/en-us/vcpkg/get_started/overview). For detailed commands on installing different versions and more information, please refer to Microsoft's [official instructions](https://learn.microsoft.com/en-us/vcpkg/get_started/overview).
## <img width="28px" src="https://xmake.io/assets/img/logo.svg" /> Using xrepo
**Note**: Support xrepo for package management
1. Install [xmake](https://xmake.io/)
2. Run the following command to install the omath package:
```
xrepo install omath
```
xmake.lua
```xmake
add_requires("omath")
target("...")
add_packages("omath")
```
## <img width="28px" src="https://upload.wikimedia.org/wikipedia/commons/e/ef/CMake_logo.svg?" /> Build from source using CMake ## <img width="28px" src="https://upload.wikimedia.org/wikipedia/commons/e/ef/CMake_logo.svg?" /> Build from source using CMake
1. **Preparation** 1. **Preparation**
@@ -45,7 +59,7 @@ For detailed commands on installing different versions and more information, ple
cmake --preset windows-release -S . cmake --preset windows-release -S .
cmake --build cmake-build/build/windows-release --target omath -j 6 cmake --build cmake-build/build/windows-release --target omath -j 6
``` ```
Use **\<platform\>-\<build configuration\>** preset to build siutable version for yourself. Like **windows-release** or **linux-release**. Use **\<platform\>-\<build configuration\>** preset to build suitable version for yourself. Like **windows-release** or **linux-release**.
| Platform Name | Build Config | | Platform Name | Build Config |
|---------------|---------------| |---------------|---------------|

62
LICENSE
View File

@@ -1,9 +1,59 @@
The MIT License (MIT) Copyright (C) 2024-2025 Orange++ <orange_github@proton.me>
Copyright (c) 2024 Orange++ This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages
arising from the use of this software.
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: Permission is granted to anyone to use this software for any purpose,
including commercial applications, and to alter it and redistribute it
freely, subject to the following restrictions:
The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. 1. The origin of this software must not be misrepresented; you must not
claim that you wrote the original software. If you use this software
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. in a product, an acknowledgment in the product documentation would be
appreciated but is not required.
2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution.
4. If you are an employee, contractor, volunteer, representative,
or have any other affiliation (past or present)
with any of the following entities:
* "Advertising Placement Services" LLC
* "NEW SOLUTIONS VERTICALS" LLC
* "Autoexpert" LLC
* "Creditit" LLC
* "Yandex.Taxi" LLC
* "Yandex.Eda" LLC
* "Yandex.Lavka" LLC
* "Yandex.Telecom" LLC
* "Yandex.Cloud" LLC
* "Micromobility" LLC
* "MM-Tech" LLC
* "Carsharing" LLC
* "Yandex.Drive" LLC
* "EDADIL PROMO" LLC
* "Kinopoisk" LLC
* "Yandex.Music" LLC
* "Refueling (Yandex.Zapravki)" LLC
* "Yandex.Pay" LLC
* "Financial and Payment Technologies" LLC
* "Yandex.Delivery" LLC
* "Delivery Club" LLC
* "Yandex.Check" LLC
* "SMB-Service" LLC
* "ADV-TECH" LLC
* "Yandex Fantech" LLC
* "Yandex Smena" LLC
* "Market.Operations" LLC
* "Yandex.Market" LLC
* "ID Tech" LLC
* "Yandex.Crowd" LLC
* "Yandex" LLC
* "Rutube" LLC
* "Kaspersky" LLC
Or if you represent or are associated with any legal, organizational, or
professional entity providing services to or on behalf of the aforementioned entities:
You are expressly forbidden from accessing, using, modifying, distributing, or
interacting with the Software and its source code in any form. You must immediately
delete or destroy any physical or digital copies of the Software and/or
its source code, including any derivative works, tools, or information obtained from the Software.

116
README.md
View File

@@ -1,17 +1,49 @@
<div align = center> <div align = center>
![banner](https://i.imgur.com/SM9ccP6.png) ![banner](.github/images/logos/omath_logo_macro.png)
![GitHub License](https://img.shields.io/github/license/orange-cpp/omath) ![Static Badge](https://img.shields.io/badge/license-libomath-orange)
![GitHub contributors](https://img.shields.io/github/contributors/orange-cpp/omath) ![GitHub contributors](https://img.shields.io/github/contributors/orange-cpp/omath)
![GitHub top language](https://img.shields.io/github/languages/top/orange-cpp/omath) ![GitHub top language](https://img.shields.io/github/languages/top/orange-cpp/omath)
[![CodeFactor](https://www.codefactor.io/repository/github/orange-cpp/omath/badge)](https://www.codefactor.io/repository/github/orange-cpp/omath) [![CodeFactor](https://www.codefactor.io/repository/github/orange-cpp/omath/badge)](https://www.codefactor.io/repository/github/orange-cpp/omath)
![GitHub Actions Workflow Status](https://img.shields.io/github/actions/workflow/status/orange-cpp/omath/cmake-multi-platform.yml)
[![Vcpkg package](https://repology.org/badge/version-for-repo/vcpkg/orange-math.svg)](https://repology.org/project/orange-math/versions)
![GitHub forks](https://img.shields.io/github/forks/orange-cpp/omath) ![GitHub forks](https://img.shields.io/github/forks/orange-cpp/omath)
[![discord badge](https://dcbadge.limes.pink/api/server/https://discord.gg/eDgdaWbqwZ?style=flat)](https://discord.gg/eDgdaWbqwZ)
[![telegram badge](https://img.shields.io/badge/Telegram-2CA5E0?style=flat-squeare&logo=telegram&logoColor=white)](https://t.me/orangennotes)
OMath is a 100% independent, constexpr template blazingly fast math library that doesn't have legacy C++ code.
It provides the latest features, is highly customizable, has all for cheat development, DirectX/OpenGL/Vulkan support, premade support for different game engines, much more constexpr stuff than in other libraries and more...
<br>
<br>
---
**[<kbd> <br> Install <br> </kbd>][INSTALL]** 
**[<kbd> <br> Examples <br> </kbd>][EXAMPLES]** 
**[<kbd> <br> Documentation <br> </kbd>][DOCUMENTATION]** 
**[<kbd> <br> Contribute <br> </kbd>][CONTRIBUTING]** 
**[<kbd> <br> Donate <br> </kbd>][SPONSOR]** 
---
<br>
</div> </div>
Oranges's Math Library (omath) is a comprehensive, open-source library aimed at providing efficient, reliable, and versatile mathematical functions and algorithms. Developed primarily in C++, this library is designed to cater to a wide range of mathematical operations essential in scientific computing, engineering, and academic research.
## 👁‍🗨 Features <div align = center>
<a href="https://www.star-history.com/#orange-cpp/omath&Date">
<picture>
<source media="(prefers-color-scheme: dark)" srcset="https://api.star-history.com/svg?repos=orange-cpp/omath&type=Date&theme=dark" />
<source media="(prefers-color-scheme: light)" srcset="https://api.star-history.com/svg?repos=orange-cpp/omath&type=Date" />
<img alt="Star History Chart" src="https://api.star-history.com/svg?repos=orange-cpp/omath&type=Date" />
</picture>
</a>
</div>
# Features
- **Efficiency**: Optimized for performance, ensuring quick computations using AVX2. - **Efficiency**: Optimized for performance, ensuring quick computations using AVX2.
- **Versatility**: Includes a wide array of mathematical functions and algorithms. - **Versatility**: Includes a wide array of mathematical functions and algorithms.
- **Ease of Use**: Simplified interface for convenient integration into various projects. - **Ease of Use**: Simplified interface for convenient integration into various projects.
@@ -20,57 +52,49 @@ Oranges's Math Library (omath) is a comprehensive, open-source library aimed at
- **Collision Detection**: Production ready code to handle collision detection by using simple interfaces. - **Collision Detection**: Production ready code to handle collision detection by using simple interfaces.
- **No Additional Dependencies**: No additional dependencies need to use OMath except unit test execution - **No Additional Dependencies**: No additional dependencies need to use OMath except unit test execution
- **Ready for meta-programming**: Omath use templates for common types like Vectors, Matrixes etc, to handle all types! - **Ready for meta-programming**: Omath use templates for common types like Vectors, Matrixes etc, to handle all types!
- **Engine support**: Supports coordinate systems of **Source, Unity, Unreal, Frostbite, IWEngine and canonical OpenGL**.
- **Cross platform**: Supports Windows, MacOS and Linux.
- **Algorithms**: Has ability to scan for byte pattern with wildcards in PE files/modules, binary slices, works even with Wine apps.
<div align = center>
# Gallery
## Supported Render Pipelines <br>
| ENGINE | SUPPORT |
|----------|---------|
| Source | ✅YES |
| Unity | ✅YES |
| IWEngine | ✅YES |
| Unreal | ❌NO |
## Supported Operating Systems [![Youtube Video](.github/images/yt_previews/img.png)](https://youtu.be/lM_NJ1yCunw?si=-Qf5yzDcWbaxAXGQ)
| OS | SUPPORT | <br>
|----------------|---------|
| Windows 10/11 | ✅YES |
| Linux | ✅YES |
| Darwin (MacOS) | ✅YES |
## ⏬ Installation ![APEX Preview]
Please read our [installation guide](https://github.com/orange-cpp/omath/blob/main/INSTALL.md). If this link doesn't work check out INSTALL.md file.
## ❔ Usage <br>
Simple world to screen function
```c++
TEST(UnitTestProjection, IsPointOnScreen)
{
const omath::projection::Camera camera({0.f, 0.f, 0.f}, {0, 0.f, 0.f} , {1920.f, 1080.f}, 110.f, 0.1f, 500.f);
const auto proj = camera.WorldToScreen({100, 0, 15}); ![BO2 Preview]
EXPECT_TRUE(proj.has_value());
}
```
## Showcase
<details>
<summary>OMATH for making cheats (click to open)</summary>
With `omath/projection` module you can achieve simple ESP hack for powered by Source/Unreal/Unity engine games, like [Apex Legends](https://store.steampowered.com/app/1172470/Apex_Legends/). <br>
![banner](https://i.imgur.com/lcJrfcZ.png) ![CS2 Preview]
Or for InfinityWard Engine based games. Like Call of Duty Black Ops 2!
![banner](https://i.imgur.com/F8dmdoo.png)
Or create simple trigger bot with embeded traceline from omath::collision::LineTrace
![banner](https://i.imgur.com/fxMjRKo.jpeg)
Or even advanced projectile aimbot
[Watch Video](https://youtu.be/lM_NJ1yCunw?si=5E87OrQMeypxSJ3E)
</details>
## 🫵🏻 Contributing <br>
Contributions to `omath` are welcome! Please read `CONTRIBUTING.md` for details on our code of conduct and the process for submitting pull requests.
## 📜 License ![TF2 Preview]
This project is licensed under the MIT - see the `LICENSE` file for details.
## 💘 Acknowledgments <br>
<br>
</div>
# 💘 Acknowledgments
- [All contributors](https://github.com/orange-cpp/omath/graphs/contributors) - [All contributors](https://github.com/orange-cpp/omath/graphs/contributors)
<!----------------------------------{ Images }--------------------------------->
[APEX Preview]: .github/images/showcase/apex.png
[BO2 Preview]: .github/images/showcase/cod_bo2.png
[CS2 Preview]: .github/images/showcase/cs2.jpeg
[TF2 Preview]: .github/images/showcase/tf2.jpg
<!----------------------------------{ Buttons }--------------------------------->
[INSTALL]: INSTALL.md
[DOCUMENTATION]: http://libomath.org
[CONTRIBUTING]: CONTRIBUTING.md
[EXAMPLES]: examples
[SPONSOR]: https://boosty.to/orangecpp/purchase/3568644?ssource=DIRECT&share=subscription_link

2
SECURITY.md
View File

@@ -2,4 +2,4 @@
## Reporting a Vulnerability ## Reporting a Vulnerability
Please report security issues to `orange-cpp@yandex.ru` Please report security issues to `orange_github@proton.me`

1
VERSION Normal file
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@@ -0,0 +1 @@
4.0.0

19
benchmark/CMakeLists.txt Normal file
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@@ -0,0 +1,19 @@
project(omath_benchmark)
file(GLOB_RECURSE OMATH_BENCHMARK_SOURCES CONFIGURE_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/*.cpp")
add_executable(${PROJECT_NAME} ${OMATH_BENCHMARK_SOURCES})
set_target_properties(${PROJECT_NAME} PROPERTIES
ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
LIBRARY_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
RUNTIME_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
CXX_STANDARD 23
CXX_STANDARD_REQUIRED ON)
if (TARGET benchmark::benchmark)
target_link_libraries(${PROJECT_NAME} PRIVATE benchmark::benchmark omath)
else()
find_package(benchmark CONFIG REQUIRED)
target_link_libraries(${PROJECT_NAME} PRIVATE benchmark::benchmark omath)
endif ()

65
benchmark/benchmark_mat.cpp Normal file
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@@ -0,0 +1,65 @@
//
// Created by Vlad on 9/17/2025.
//
#include <benchmark/benchmark.h>
#include <omath/omath.hpp>
using namespace omath;
void mat_float_multiplication_col_major(benchmark::State& state)
{
using MatType = Mat<128, 128, float, MatStoreType::COLUMN_MAJOR>;
MatType a;
MatType b;
a.set(3.f);
b.set(7.f);
for ([[maybe_unused]] const auto _ : state)
std::ignore = a * b;
}
void mat_float_multiplication_row_major(benchmark::State& state)
{
using MatType = Mat<128, 128, float, MatStoreType::ROW_MAJOR>;
MatType a;
MatType b;
a.set(3.f);
b.set(7.f);
for ([[maybe_unused]] const auto _ : state)
std::ignore = a * b;
}
void mat_double_multiplication_row_major(benchmark::State& state)
{
using MatType = Mat<128, 128, double, MatStoreType::ROW_MAJOR>;
MatType a;
MatType b;
a.set(3.f);
b.set(7.f);
for ([[maybe_unused]] const auto _ : state)
std::ignore = a * b;
}
void mat_double_multiplication_col_major(benchmark::State& state)
{
using MatType = Mat<128, 128, double, MatStoreType::COLUMN_MAJOR>;
MatType a;
MatType b;
a.set(3.f);
b.set(7.f);
for ([[maybe_unused]] const auto _ : state)
std::ignore = a * b;
}
BENCHMARK(mat_float_multiplication_col_major)->Iterations(5000);
BENCHMARK(mat_float_multiplication_row_major)->Iterations(5000);
BENCHMARK(mat_double_multiplication_col_major)->Iterations(5000);
BENCHMARK(mat_double_multiplication_row_major)->Iterations(5000);

23
benchmark/benchmark_projectile_pred.cpp Normal file
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@@ -0,0 +1,23 @@
//
// Created by Vlad on 9/18/2025.
//
#include <benchmark/benchmark.h>
#include <omath/omath.hpp>
using namespace omath;
using namespace omath::projectile_prediction;
constexpr float simulation_time_step = 1.f / 1000.f;
constexpr float hit_distance_tolerance = 5.f;
void source_engine_projectile_prediction(benchmark::State& state)
{
constexpr Target target{.m_origin = {100, 0, 90}, .m_velocity = {0, 0, 0}, .m_is_airborne = false};
constexpr Projectile projectile = {.m_origin = {3, 2, 1}, .m_launch_speed = 5000, .m_gravity_scale = 0.4};
for ([[maybe_unused]] const auto _: state)
std::ignore = ProjPredEngineLegacy(400, simulation_time_step, 50, hit_distance_tolerance)
.maybe_calculate_aim_point(projectile, target);
}
BENCHMARK(source_engine_projectile_prediction)->Iterations(10'000);

5
benchmark/main.cpp Normal file
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@@ -0,0 +1,5 @@
//
// Created by Vlad on 9/17/2025.
//
#include <benchmark/benchmark.h>
BENCHMARK_MAIN();

4
cmake/omathConfig.cmake.in
View File

@@ -2,6 +2,10 @@
include(CMakeFindDependencyMacro) include(CMakeFindDependencyMacro)
if (@OMATH_IMGUI_INTEGRATION@)
find_dependency(imgui CONFIG)
endif()
# Load the targets for the omath library # Load the targets for the omath library
include("${CMAKE_CURRENT_LIST_DIR}/omathTargets.cmake") include("${CMAKE_CURRENT_LIST_DIR}/omathTargets.cmake")
check_required_components(omath) check_required_components(omath)

17
docs/index.md Normal file
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@@ -0,0 +1,17 @@
# Welcome to MkDocs
For full documentation visit [mkdocs.org](https://www.mkdocs.org).
## Commands
* `mkdocs new [dir-name]` - Create a new project.
* `mkdocs serve` - Start the live-reloading docs server.
* `mkdocs build` - Build the documentation site.
* `mkdocs -h` - Print help message and exit.
## Project layout
mkdocs.yml # The configuration file.
docs/
index.md # The documentation homepage.
... # Other markdown pages, images and other files.

12
examples/example_proj_mat_builder.cpp
View File

@@ -15,8 +15,8 @@ int main()
float fov = 0; float fov = 0;
float near = 0; float near = 0;
float far = 0; float far = 0;
float viewPortWidth = 0; float view_port_width = 0;
float viewPortHeight = 0; float view_port_height = 0;
std::print("Enter camera fov: "); std::print("Enter camera fov: ");
std::cin >> fov; std::cin >> fov;
@@ -28,13 +28,13 @@ int main()
std::cin >> far; std::cin >> far;
std::print("Enter camera screen width: "); std::print("Enter camera screen width: ");
std::cin >> viewPortWidth; std::cin >> view_port_width;
std::print("Enter camera screen height: "); std::print("Enter camera screen height: ");
std::cin >> viewPortHeight; std::cin >> view_port_height;
const auto mat = const auto mat =
omath::opengl_engine::CalcPerspectiveProjectionMatrix(fov, viewPortWidth / viewPortHeight, near, far); omath::opengl_engine::calc_perspective_projection_matrix(fov, view_port_width / view_port_height, near, far);
std::print("{}", mat.ToString()); std::print("{}", mat.to_string());
}; };

1
extlibs/CMakeLists.txt
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@@ -1 +0,0 @@
add_subdirectory(googletest)

1
extlibs/googletest

Submodule extlibs/googletest deleted from d83fee138a

11
include/omath/3d_primitives/box.hpp
View File

@@ -3,15 +3,14 @@
// //
#pragma once #pragma once
#include "omath/linear_algebra/triangle.hpp"
#include "omath/linear_algebra/vector3.hpp"
#include <array> #include <array>
#include "omath/triangle.hpp"
#include "omath/vector3.hpp"
namespace omath::primitives namespace omath::primitives
{ {
[[nodiscard]] [[nodiscard]]
std::array<Triangle<Vector3<float>>, 12> CreateBox(const Vector3<float>& top, const Vector3<float>& bottom, std::array<Triangle<Vector3<float>>, 12> create_box(const Vector3<float>& top, const Vector3<float>& bottom,
const Vector3<float>& dirForward, const Vector3<float>& dirRight, const Vector3<float>& dir_forward, const Vector3<float>& dir_right,
float ratio = 4.f); float ratio = 4.f) noexcept;
} }

16
include/omath/3d_primitives/plane.hpp Normal file
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@@ -0,0 +1,16 @@
//
// Created by Vlad on 8/28/2025.
//
#pragma once
#include "omath/linear_algebra/triangle.hpp"
#include "omath/linear_algebra/vector3.hpp"
#include <array>
namespace omath::primitives
{
[[nodiscard]]
std::array<Triangle<Vector3<float>>, 2> create_plane(const Vector3<float>& vertex_a,
const Vector3<float>& vertex_b,
const Vector3<float>& direction, float size) noexcept;
}

152
include/omath/angle.hpp
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@@ -1,152 +0,0 @@
//
// Created by Orange on 11/30/2024.
//
#pragma once
#include <algorithm>
#include <utility>
#include "omath/angles.hpp"
namespace omath
{
enum class AngleFlags
{
Normalized = 0,
Clamped = 1,
};
template<class Type = float, Type min = Type(0), Type max = Type(360), AngleFlags flags = AngleFlags::Normalized>
requires std::is_arithmetic_v<Type>
class Angle
{
Type m_angle;
constexpr explicit Angle(const Type& degrees)
{
if constexpr (flags == AngleFlags::Normalized)
m_angle = angles::WrapAngle(degrees, min, max);
else if constexpr (flags == AngleFlags::Clamped)
m_angle = std::clamp(degrees, min, max);
else
{
static_assert(false);
std::unreachable();
}
}
public:
[[nodiscard]]
constexpr static Angle FromDegrees(const Type& degrees)
{
return Angle{degrees};
}
constexpr Angle() : m_angle(0)
{
}
[[nodiscard]]
constexpr static Angle FromRadians(const Type& degrees)
{
return Angle{angles::RadiansToDegrees<Type>(degrees)};
}
[[nodiscard]]
constexpr const Type& operator*() const
{
return m_angle;
}
[[nodiscard]]
constexpr Type AsDegrees() const
{
return m_angle;
}
[[nodiscard]]
constexpr Type AsRadians() const
{
return angles::DegreesToRadians(m_angle);
}
[[nodiscard]]
Type Sin() const
{
return std::sin(AsRadians());
}
[[nodiscard]]
Type Cos() const
{
return std::cos(AsRadians());
}
[[nodiscard]]
Type Tan() const
{
return std::tan(AsRadians());
}
[[nodiscard]]
Type Atan() const
{
return std::atan(AsRadians());
}
[[nodiscard]]
Type Cot() const
{
return Cos() / Sin();
}
constexpr Angle& operator+=(const Angle& other)
{
if constexpr (flags == AngleFlags::Normalized)
m_angle = angles::WrapAngle(m_angle + other.m_angle, min, max);
else if constexpr (flags == AngleFlags::Clamped)
m_angle = std::clamp(m_angle + other.m_angle, min, max);
else
{
static_assert(false);
std::unreachable();
}
return *this;
}
[[nodiscard]]
constexpr std::partial_ordering operator<=>(const Angle& other) const = default;
constexpr Angle& operator-=(const Angle& other)
{
return operator+=(-other);
}
[[nodiscard]]
constexpr Angle& operator+(const Angle& other)
{
if constexpr (flags == AngleFlags::Normalized)
return {angles::WrapAngle(m_angle + other.m_angle, min, max)};
else if constexpr (flags == AngleFlags::Clamped)
return {std::clamp(m_angle + other.m_angle, min, max)};
else
static_assert(false);
std::unreachable();
}
[[nodiscard]]
constexpr Angle& operator-(const Angle& other)
{
return operator+(-other);
}
[[nodiscard]]
constexpr Angle operator-() const
{
return Angle{-m_angle};
}
};
} // namespace omath

63
include/omath/angles.hpp
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@@ -1,63 +0,0 @@
//
// Created by vlad on 11/6/23.
//
#pragma once
#include <cmath>
#include <numbers>
namespace omath::angles
{
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]] constexpr Type RadiansToDegrees(const Type& radians)
{
return radians * (Type(180) / std::numbers::pi_v<Type>);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]] constexpr Type DegreesToRadians(const Type& degrees)
{
return degrees * (std::numbers::pi_v<Type> / Type(180));
}
template<class type>
requires std::is_floating_point_v<type>
[[nodiscard]] type HorizontalFovToVertical(const type& horFov, const type& aspect)
{
const auto fovRad = DegreesToRadians(horFov);
const auto vertFov = type(2) * std::atan(std::tan(fovRad / type(2)) / aspect);
return RadiansToDegrees(vertFov);
}
template<class Type>
requires std::is_floating_point_v<Type>
[[nodiscard]] Type VerticalFovToHorizontal(const Type& vertFov, const Type& aspect)
{
const auto fovRad = DegreesToRadians(vertFov);
const auto horFov = Type(2) * std::atan(std::tan(fovRad / Type(2)) * aspect);
return RadiansToDegrees(horFov);
}
template<class Type>
requires std::is_arithmetic_v<Type>
[[nodiscard]] Type WrapAngle(const Type& angle, const Type& min, const Type& max)
{
if (angle <= max && angle >= min)
return angle;
const Type range = max - min;
Type wrappedAngle = std::fmod(angle - min, range);
if (wrappedAngle < 0)
wrappedAngle += range;
return wrappedAngle + min;
}
}

19
include/omath/collision/line_tracer.hpp
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@@ -3,8 +3,8 @@
// //
#pragma once #pragma once
#include "omath/triangle.hpp" #include "omath/linear_algebra/triangle.hpp"
#include "omath/vector3.hpp" #include "omath/linear_algebra/vector3.hpp"
namespace omath::collision namespace omath::collision
{ {
@@ -14,25 +14,24 @@ namespace omath::collision
Vector3<float> start; Vector3<float> start;
Vector3<float> end; Vector3<float> end;
bool infinite_length = false; bool infinite_length = false;
[[nodiscard]]
Vector3<float> DirectionVector() const;
[[nodiscard]] [[nodiscard]]
Vector3<float> DirectionVectorNormalized() const; Vector3<float> direction_vector() const noexcept;
[[nodiscard]]
Vector3<float> direction_vector_normalized() const noexcept;
}; };
class LineTracer class LineTracer
{ {
public: public:
LineTracer() = delete; LineTracer() = delete;
[[nodiscard]] [[nodiscard]]
static bool CanTraceLine(const Ray& ray, const Triangle<Vector3<float>>& triangle); static bool can_trace_line(const Ray& ray, const Triangle<Vector3<float>>& triangle) noexcept;
// Realization of Möller–Trumbore intersection algorithm // Realization of Möller–Trumbore intersection algorithm
// https://en.wikipedia.org/wiki/M%C3%B6ller%E2%80%93Trumbore_intersection_algorithm // https://en.wikipedia.org/wiki/M%C3%B6ller%E2%80%93Trumbore_intersection_algorithm
[[nodiscard]] [[nodiscard]]
static Vector3<float> GetRayHitPoint(const Ray& ray, const Triangle<Vector3<float>>& triangle); static Vector3<float> get_ray_hit_point(const Ray& ray, const Triangle<Vector3<float>>& triangle) noexcept;
}; };
} } // namespace omath::collision

173
include/omath/color.hpp
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@@ -1,173 +0,0 @@
//
// Created by vlad on 2/4/24.
//
#pragma once
#include <cstdint>
#include "omath/vector3.hpp"
#include "omath/vector4.hpp"
#ifdef max
#undef max
#endif
#ifdef min
#undef min
#endif
namespace omath
{
struct HSV
{
float hue{};
float saturation{};
float value{};
};
class Color final : public Vector4<float>
{
public:
constexpr Color(const float r, const float g, const float b, const float a) : Vector4(r, g, b, a)
{
Clamp(0.f, 1.f);
}
constexpr explicit Color() = default;
[[nodiscard]]
constexpr static Color FromRGBA(const uint8_t r, const uint8_t g, const uint8_t b, const uint8_t a)
{
return Color{Vector4(r, g, b, a) / 255.f};
}
[[nodiscard]]
constexpr static Color FromHSV(float hue, const float saturation, const float value)
{
float r{}, g{}, b{};
hue = std::clamp(hue, 0.f, 1.f);
const int i = static_cast<int>(hue * 6.f);
const float f = hue * 6 - i;
const float p = value * (1 - saturation);
const float q = value * (1 - f * saturation);
const float t = value * (1 - (1 - f) * saturation);
switch (i % 6)
{
case 0:
r = value, g = t, b = p;
break;
case 1:
r = q, g = value, b = p;
break;
case 2:
r = p, g = value, b = t;
break;
case 3:
r = p, g = q, b = value;
break;
case 4:
r = t, g = p, b = value;
break;
case 5:
r = value, g = p, b = q;
break;
default:
return {0.f, 0.f, 0.f, 0.f};
}
return {r, g, b, 1.f};
}
[[nodiscard]]
constexpr static Color FromHSV(const HSV& hsv)
{
return FromHSV(hsv.hue, hsv.saturation, hsv.value);
}
[[nodiscard]]
constexpr HSV ToHSV() const
{
HSV hsvData;
const float& red = x;
const float& green = y;
const float& blue = z;
const float max = std::max({red, green, blue});
const float min = std::min({red, green, blue});
const float delta = max - min;
if (delta == 0.f)
hsvData.hue = 0.f;
else if (max == red)
hsvData.hue = 60.f * (std::fmodf(((green - blue) / delta), 6.f));
else if (max == green)
hsvData.hue = 60.f * (((blue - red) / delta) + 2.f);
else if (max == blue)
hsvData.hue = 60.f * (((red - green) / delta) + 4.f);
if (hsvData.hue < 0.f)
hsvData.hue += 360.f;
hsvData.hue /= 360.f;
hsvData.saturation = max == 0.f ? 0.f : delta / max;
hsvData.value = max;
return hsvData;
}
constexpr explicit Color(const Vector4& vec) : Vector4(vec)
{
Clamp(0.f, 1.f);
}
constexpr void SetHue(const float hue)
{
auto hsv = ToHSV();
hsv.hue = hue;
*this = FromHSV(hsv);
}
constexpr void SetSaturation(const float saturation)
{
auto hsv = ToHSV();
hsv.saturation = saturation;
*this = FromHSV(hsv);
}
constexpr void SetValue(const float value)
{
auto hsv = ToHSV();
hsv.value = value;
*this = FromHSV(hsv);
}
[[nodiscard]]
constexpr Color Blend(const Color& other, float ratio) const
{
ratio = std::clamp(ratio, 0.f, 1.f);
return Color(*this * (1.f - ratio) + other * ratio);
}
[[nodiscard]] static constexpr Color Red()
{
return {1.f, 0.f, 0.f, 1.f};
}
[[nodiscard]] static constexpr Color Green()
{
return {0.f, 1.f, 0.f, 1.f};
}
[[nodiscard]] static constexpr Color Blue()
{
return {0.f, 0.f, 1.f, 1.f};
}
};
} // namespace omath

13
include/omath/engines/frostbite_engine/camera.hpp Normal file
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@@ -0,0 +1,13 @@
//
// Created by Vlad on 3/22/2025.
//
#pragma once
#include "omath/engines/frostbite_engine/constants.hpp"
#include "omath/projection/camera.hpp"
#include "traits/camera_trait.hpp"
namespace omath::frostbite_engine
{
using Camera = projection::Camera<Mat4X4, ViewAngles, CameraTrait>;
} // namespace omath::unity_engine

25
include/omath/engines/frostbite_engine/constants.hpp Normal file
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@@ -0,0 +1,25 @@
//
// Created by Vlad on 10/21/2025.
//
#pragma once
#include "omath/linear_algebra/mat.hpp"
#include "omath/linear_algebra/vector3.hpp"
#include <omath/trigonometry/angle.hpp>
#include <omath/trigonometry/view_angles.hpp>
namespace omath::frostbite_engine
{
constexpr Vector3<float> k_abs_up = {0, 1, 0};
constexpr Vector3<float> k_abs_right = {1, 0, 0};
constexpr Vector3<float> k_abs_forward = {0, 0, 1};
using Mat4X4 = Mat<4, 4, float, MatStoreType::ROW_MAJOR>;
using Mat3X3 = Mat<4, 4, float, MatStoreType::ROW_MAJOR>;
using Mat1X3 = Mat<1, 3, float, MatStoreType::ROW_MAJOR>;
using PitchAngle = Angle<float, -90.f, 90.f, AngleFlags::Clamped>;
using YawAngle = Angle<float, -180.f, 180.f, AngleFlags::Normalized>;
using RollAngle = Angle<float, -180.f, 180.f, AngleFlags::Normalized>;
using ViewAngles = omath::ViewAngles<PitchAngle, YawAngle, RollAngle>;
} // namespace omath::frostbite_engine

26
include/omath/engines/frostbite_engine/formulas.hpp Normal file
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@@ -0,0 +1,26 @@
//
// Created by Vlad on 3/22/2025.
//
#pragma once
#include "omath/engines/frostbite_engine/constants.hpp"
namespace omath::frostbite_engine
{
[[nodiscard]]
Vector3<float> forward_vector(const ViewAngles& angles) noexcept;
[[nodiscard]]
Vector3<float> right_vector(const ViewAngles& angles) noexcept;
[[nodiscard]]
Vector3<float> up_vector(const ViewAngles& angles) noexcept;
[[nodiscard]] Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept;
[[nodiscard]]
Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept;
[[nodiscard]]
Mat4X4 calc_perspective_projection_matrix(float field_of_view, float aspect_ratio, float near, float far) noexcept;
} // namespace omath::unity_engine

24
include/omath/engines/frostbite_engine/traits/camera_trait.hpp Normal file
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@@ -0,0 +1,24 @@
//
// Created by Vlad on 8/10/2025.
//
#pragma once
#include "omath/engines/frostbite_engine/formulas.hpp"
#include "omath/projection/camera.hpp"
namespace omath::frostbite_engine
{
class CameraTrait final
{
public:
[[nodiscard]]
static ViewAngles calc_look_at_angle(const Vector3<float>& cam_origin, const Vector3<float>& look_at) noexcept;
[[nodiscard]]
static Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept;
[[nodiscard]]
static Mat4X4 calc_projection_matrix(const projection::FieldOfView& fov, const projection::ViewPort& view_port,
float near, float far) noexcept;
};
} // namespace omath::unreal_engine

76
include/omath/engines/frostbite_engine/traits/pred_engine_trait.hpp Normal file
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@@ -0,0 +1,76 @@
//
// Created by Vlad on 8/6/2025.
//
#pragma once
#include "omath/engines/frostbite_engine/formulas.hpp"
#include "omath/projectile_prediction/projectile.hpp"
#include "omath/projectile_prediction/target.hpp"
#include <optional>
namespace omath::frostbite_engine
{
class PredEngineTrait final
{
public:
constexpr static Vector3<float> predict_projectile_position(const projectile_prediction::Projectile& projectile,
const float pitch, const float yaw,
const float time, const float gravity) noexcept
{
auto current_pos = projectile.m_origin
+ forward_vector({PitchAngle::from_degrees(-pitch), YawAngle::from_degrees(yaw),
RollAngle::from_degrees(0)})
* projectile.m_launch_speed * time;
current_pos.y -= (gravity * projectile.m_gravity_scale) * (time * time) * 0.5f;
return current_pos;
}
[[nodiscard]]
static constexpr Vector3<float> predict_target_position(const projectile_prediction::Target& target,
const float time, const float gravity) noexcept
{
auto predicted = target.m_origin + target.m_velocity * time;
if (target.m_is_airborne)
predicted.y -= gravity * (time * time) * 0.5f;
return predicted;
}
[[nodiscard]]
static float calc_vector_2d_distance(const Vector3<float>& delta) noexcept
{
return std::sqrt(delta.x * delta.x + delta.z * delta.z);
}
[[nodiscard]]
constexpr static float get_vector_height_coordinate(const Vector3<float>& vec) noexcept
{
return vec.y;
}
[[nodiscard]]
static Vector3<float> calc_viewpoint_from_angles(const projectile_prediction::Projectile& projectile,
Vector3<float> predicted_target_position,
const std::optional<float> projectile_pitch) noexcept
{
const auto delta2d = calc_vector_2d_distance(predicted_target_position - projectile.m_origin);
const auto height = delta2d * std::tan(angles::degrees_to_radians(projectile_pitch.value()));
return {predicted_target_position.x, predicted_target_position.y + height, projectile.m_origin.z};
}
// Due to specification of maybe_calculate_projectile_launch_pitch_angle, pitch angle must be:
// 89 look up, -89 look down
[[nodiscard]]
static float calc_direct_pitch_angle(const Vector3<float>& origin, const Vector3<float>& view_to) noexcept
{
const auto direction = (view_to - origin).normalized();
return angles::radians_to_degrees(std::asin(direction.y));
}
[[nodiscard]]
static float calc_direct_yaw_angle(const Vector3<float>& origin, const Vector3<float>& view_to) noexcept
{
const auto direction = (view_to - origin).normalized();
return angles::radians_to_degrees(std::atan2(direction.x, direction.z));
};
};
} // namespace omath::unity_engine

14
include/omath/engines/iw_engine/camera.hpp
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@@ -5,17 +5,9 @@
#pragma once #pragma once
#include "omath/engines/iw_engine/constants.hpp" #include "omath/engines/iw_engine/constants.hpp"
#include "omath/projection/camera.hpp" #include "omath/projection/camera.hpp"
#include "traits/camera_trait.hpp"
namespace omath::iw_engine namespace omath::iw_engine
{ {
class Camera final : public projection::Camera<Mat4x4, ViewAngles> using Camera = projection::Camera<Mat4X4, ViewAngles, CameraTrait>;
{ } // namespace omath::iw_engine
public:
Camera(const Vector3<float>& position, const ViewAngles& viewAngles, const projection::ViewPort& viewPort,
const Angle<float, 0.f, 180.f, AngleFlags::Clamped>& fov, float near, float far);
void LookAt(const Vector3<float>& target) override;
protected:
[[nodiscard]] Mat4x4 CalcViewMatrix() const override;
[[nodiscard]] Mat4x4 CalcProjectionMatrix() const override;
};
}

22
include/omath/engines/iw_engine/constants.hpp
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@@ -3,23 +3,23 @@
// //
#pragma once #pragma once
#include <omath/vector3.hpp> #include "omath/linear_algebra/mat.hpp"
#include <omath/mat.hpp> #include "omath/linear_algebra/vector3.hpp"
#include <omath/angle.hpp> #include <omath/trigonometry/angle.hpp>
#include <omath/view_angles.hpp> #include <omath/trigonometry/view_angles.hpp>
namespace omath::iw_engine namespace omath::iw_engine
{ {
constexpr Vector3<float> kAbsUp = {0, 0, 1}; constexpr Vector3<float> k_abs_up = {0, 0, 1};
constexpr Vector3<float> kAbsRight = {0, -1, 0}; constexpr Vector3<float> k_abs_right = {0, -1, 0};
constexpr Vector3<float> kAbsForward = {1, 0, 0}; constexpr Vector3<float> k_abs_forward = {1, 0, 0};
using Mat4x4 = Mat<4, 4, float, MatStoreType::ROW_MAJOR>; using Mat4X4 = Mat<4, 4, float, MatStoreType::ROW_MAJOR>;
using Mat3x3 = Mat<4, 4, float, MatStoreType::ROW_MAJOR>; using Mat3X3 = Mat<4, 4, float, MatStoreType::ROW_MAJOR>;
using Mat1x3 = Mat<1, 3, float, MatStoreType::ROW_MAJOR>; using Mat1X3 = Mat<1, 3, float, MatStoreType::ROW_MAJOR>;
using PitchAngle = Angle<float, -89.f, 89.f, AngleFlags::Clamped>; using PitchAngle = Angle<float, -89.f, 89.f, AngleFlags::Clamped>;
using YawAngle = Angle<float, -180.f, 180.f, AngleFlags::Normalized>; using YawAngle = Angle<float, -180.f, 180.f, AngleFlags::Normalized>;
using RollAngle = Angle<float, -180.f, 180.f, AngleFlags::Normalized>; using RollAngle = Angle<float, -180.f, 180.f, AngleFlags::Normalized>;
using ViewAngles = omath::ViewAngles<PitchAngle, YawAngle, RollAngle>; using ViewAngles = omath::ViewAngles<PitchAngle, YawAngle, RollAngle>;
} } // namespace omath::iw_engine

12
include/omath/engines/iw_engine/formulas.hpp
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@@ -8,19 +8,19 @@
namespace omath::iw_engine namespace omath::iw_engine
{ {
[[nodiscard]] [[nodiscard]]
Vector3<float> ForwardVector(const ViewAngles& angles); Vector3<float> forward_vector(const ViewAngles& angles) noexcept;
[[nodiscard]] [[nodiscard]]
Vector3<float> RightVector(const ViewAngles& angles); Vector3<float> right_vector(const ViewAngles& angles) noexcept;
[[nodiscard]] [[nodiscard]]
Vector3<float> UpVector(const ViewAngles& angles); Vector3<float> up_vector(const ViewAngles& angles) noexcept;
[[nodiscard]] [[nodiscard]]
Mat4x4 RotationMatrix(const ViewAngles& angles); Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept;
[[nodiscard]] Mat4x4 CalcViewMatrix(const ViewAngles& angles, const Vector3<float>& cam_origin); [[nodiscard]] Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept;
[[nodiscard]] [[nodiscard]]
Mat4x4 CalcPerspectiveProjectionMatrix(float fieldOfView, float aspectRatio, float near, float far); Mat4X4 calc_perspective_projection_matrix(float field_of_view, float aspect_ratio, float near, float far) noexcept;
} // namespace omath::iw_engine } // namespace omath::iw_engine

24
include/omath/engines/iw_engine/traits/camera_trait.hpp Normal file
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@@ -0,0 +1,24 @@
//
// Created by Vlad on 8/10/2025.
//
#pragma once
#include "omath/engines/iw_engine/constants.hpp"
#include "omath/projection/camera.hpp"
namespace omath::iw_engine
{
class CameraTrait final
{
public:
[[nodiscard]]
static ViewAngles calc_look_at_angle(const Vector3<float>& cam_origin, const Vector3<float>& look_at) noexcept;
[[nodiscard]]
static Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept;
[[nodiscard]]
static Mat4X4 calc_projection_matrix(const projection::FieldOfView& fov, const projection::ViewPort& view_port,
float near, float far) noexcept;
};
} // namespace omath::iw_engine

79
include/omath/engines/iw_engine/traits/pred_engine_trait.hpp Normal file
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@@ -0,0 +1,79 @@
//
// Created by Vlad on 8/6/2025.
//
#pragma once
#include "omath/engines/iw_engine/formulas.hpp"
#include "omath/projectile_prediction/projectile.hpp"
#include "omath/projectile_prediction/target.hpp"
#include <optional>
namespace omath::iw_engine
{
class PredEngineTrait final
{
public:
constexpr static Vector3<float> predict_projectile_position(const projectile_prediction::Projectile& projectile,
const float pitch, const float yaw,
const float time, const float gravity) noexcept
{
auto current_pos = projectile.m_origin
+ forward_vector({PitchAngle::from_degrees(-pitch), YawAngle::from_degrees(yaw),
RollAngle::from_degrees(0)})
* projectile.m_launch_speed * time;
current_pos.z -= (gravity * projectile.m_gravity_scale) * (time * time) * 0.5f;
return current_pos;
}
[[nodiscard]]
static constexpr Vector3<float> predict_target_position(const projectile_prediction::Target& target,
const float time, const float gravity) noexcept
{
auto predicted = target.m_origin + target.m_velocity * time;
if (target.m_is_airborne)
predicted.z -= gravity * (time * time) * 0.5f;
return predicted;
}
[[nodiscard]]
static float calc_vector_2d_distance(const Vector3<float>& delta) noexcept
{
return std::sqrt(delta.x * delta.x + delta.y * delta.y);
}
[[nodiscard]]
constexpr static float get_vector_height_coordinate(const Vector3<float>& vec) noexcept
{
return vec.z;
}
[[nodiscard]]
static Vector3<float> calc_viewpoint_from_angles(const projectile_prediction::Projectile& projectile,
Vector3<float> predicted_target_position,
const std::optional<float> projectile_pitch) noexcept
{
const auto delta2d = calc_vector_2d_distance(predicted_target_position - projectile.m_origin);
const auto height = delta2d * std::tan(angles::degrees_to_radians(projectile_pitch.value()));
return {predicted_target_position.x, predicted_target_position.y, projectile.m_origin.z + height};
}
// Due to specification of maybe_calculate_projectile_launch_pitch_angle, pitch angle must be:
// 89 look up, -89 look down
[[nodiscard]]
static float calc_direct_pitch_angle(const Vector3<float>& origin, const Vector3<float>& view_to) noexcept
{
const auto distance = origin.distance_to(view_to);
const auto delta = view_to - origin;
return angles::radians_to_degrees(std::asin(delta.z / distance));
}
[[nodiscard]]
static float calc_direct_yaw_angle(const Vector3<float>& origin, const Vector3<float>& view_to) noexcept
{
const auto delta = view_to - origin;
return angles::radians_to_degrees(std::atan2(delta.y, delta.x));
};
};
} // namespace omath::iw_engine

13
include/omath/engines/opengl_engine/camera.hpp
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@@ -4,16 +4,9 @@
#pragma once #pragma once
#include "omath/engines/opengl_engine/constants.hpp" #include "omath/engines/opengl_engine/constants.hpp"
#include "omath/projection/camera.hpp" #include "omath/projection/camera.hpp"
#include "traits/camera_trait.hpp"
namespace omath::opengl_engine namespace omath::opengl_engine
{ {
class Camera final : public projection::Camera<Mat4x4, ViewAngles> using Camera = projection::Camera<Mat4X4, ViewAngles, CameraTrait>;
{ } // namespace omath::opengl_engine
public:
Camera(const Vector3<float>& position, const ViewAngles& viewAngles, const projection::ViewPort& viewPort,
const Angle<float, 0.f, 180.f, AngleFlags::Clamped>& fov, float near, float far);
void LookAt(const Vector3<float>& target) override;
[[nodiscard]] Mat4x4 CalcViewMatrix() const override;
[[nodiscard]] Mat4x4 CalcProjectionMatrix() const override;
};
}

23
include/omath/engines/opengl_engine/constants.hpp
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@@ -3,24 +3,23 @@
// //
#pragma once #pragma once
#include <omath/angle.hpp> #include "omath/linear_algebra/mat.hpp"
#include <omath/mat.hpp> #include "omath/linear_algebra/vector3.hpp"
#include <omath/vector3.hpp> #include <omath/trigonometry/angle.hpp>
#include <omath/view_angles.hpp> #include <omath/trigonometry/view_angles.hpp>
namespace omath::opengl_engine namespace omath::opengl_engine
{ {
constexpr Vector3<float> kAbsUp = {0, 1, 0}; constexpr Vector3<float> k_abs_up = {0, 1, 0};
constexpr Vector3<float> kAbsRight = {1, 0, 0}; constexpr Vector3<float> k_abs_right = {1, 0, 0};
constexpr Vector3<float> kAbsForward = {0, 0, -1}; constexpr Vector3<float> k_abs_forward = {0, 0, -1};
using Mat4x4 = Mat<4, 4, float, MatStoreType::COLUMN_MAJOR>; using Mat4X4 = Mat<4, 4, float, MatStoreType::COLUMN_MAJOR>;
using Mat3x3 = Mat<4, 4, float, MatStoreType::COLUMN_MAJOR>; using Mat3X3 = Mat<4, 4, float, MatStoreType::COLUMN_MAJOR>;
using Mat1x3 = Mat<1, 3, float, MatStoreType::COLUMN_MAJOR>; using Mat1X3 = Mat<1, 3, float, MatStoreType::COLUMN_MAJOR>;
using PitchAngle = Angle<float, -90.f, 90.f, AngleFlags::Clamped>; using PitchAngle = Angle<float, -90.f, 90.f, AngleFlags::Clamped>;
using YawAngle = Angle<float, -180.f, 180.f, AngleFlags::Normalized>; using YawAngle = Angle<float, -180.f, 180.f, AngleFlags::Normalized>;
using RollAngle = Angle<float, -180.f, 180.f, AngleFlags::Normalized>; using RollAngle = Angle<float, -180.f, 180.f, AngleFlags::Normalized>;
using ViewAngles = omath::ViewAngles<PitchAngle, YawAngle, RollAngle>; using ViewAngles = omath::ViewAngles<PitchAngle, YawAngle, RollAngle>;
} } // namespace omath::opengl_engine

12
include/omath/engines/opengl_engine/formulas.hpp
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@@ -8,19 +8,19 @@
namespace omath::opengl_engine namespace omath::opengl_engine
{ {
[[nodiscard]] [[nodiscard]]
Vector3<float> ForwardVector(const ViewAngles& angles); Vector3<float> forward_vector(const ViewAngles& angles) noexcept;
[[nodiscard]] [[nodiscard]]
Vector3<float> RightVector(const ViewAngles& angles); Vector3<float> right_vector(const ViewAngles& angles) noexcept;
[[nodiscard]] [[nodiscard]]
Vector3<float> UpVector(const ViewAngles& angles); Vector3<float> up_vector(const ViewAngles& angles) noexcept;
[[nodiscard]] Mat4x4 CalcViewMatrix(const ViewAngles& angles, const Vector3<float>& cam_origin); [[nodiscard]] Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept;
[[nodiscard]] [[nodiscard]]
Mat4x4 RotationMatrix(const ViewAngles& angles); Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept;
[[nodiscard]] [[nodiscard]]
Mat4x4 CalcPerspectiveProjectionMatrix(float fieldOfView, float aspectRatio, float near, float far); Mat4X4 calc_perspective_projection_matrix(float field_of_view, float aspect_ratio, float near, float far) noexcept;
} // namespace omath::opengl_engine } // namespace omath::opengl_engine

24
include/omath/engines/opengl_engine/traits/camera_trait.hpp Normal file
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@@ -0,0 +1,24 @@
//
// Created by Vlad on 8/10/2025.
//
#pragma once
#include "omath/engines/opengl_engine/constants.hpp"
#include "omath/projection/camera.hpp"
namespace omath::opengl_engine
{
class CameraTrait final
{
public:
[[nodiscard]]
static ViewAngles calc_look_at_angle(const Vector3<float>& cam_origin, const Vector3<float>& look_at) noexcept;
[[nodiscard]]
static Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept;
[[nodiscard]]
static Mat4X4 calc_projection_matrix(const projection::FieldOfView& fov, const projection::ViewPort& view_port,
float near, float far) noexcept;
};
} // namespace omath::opengl_engine

76
include/omath/engines/opengl_engine/traits/pred_engine_trait.hpp Normal file
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@@ -0,0 +1,76 @@
//
// Created by Vlad on 8/6/2025.
//
#pragma once
#include "omath/engines/opengl_engine/formulas.hpp"
#include "omath/projectile_prediction/projectile.hpp"
#include "omath/projectile_prediction/target.hpp"
#include <optional>
namespace omath::opengl_engine
{
class PredEngineTrait final
{
public:
constexpr static Vector3<float> predict_projectile_position(const projectile_prediction::Projectile& projectile,
const float pitch, const float yaw,
const float time, const float gravity) noexcept
{
auto current_pos = projectile.m_origin
+ forward_vector({PitchAngle::from_degrees(-pitch), YawAngle::from_degrees(yaw),
RollAngle::from_degrees(0)})
* projectile.m_launch_speed * time;
current_pos.y -= (gravity * projectile.m_gravity_scale) * (time * time) * 0.5f;
return current_pos;
}
[[nodiscard]]
static constexpr Vector3<float> predict_target_position(const projectile_prediction::Target& target,
const float time, const float gravity) noexcept
{
auto predicted = target.m_origin + target.m_velocity * time;
if (target.m_is_airborne)
predicted.y -= gravity * (time * time) * 0.5f;
return predicted;
}
[[nodiscard]]
static float calc_vector_2d_distance(const Vector3<float>& delta) noexcept
{
return std::sqrt(delta.x * delta.x + delta.z * delta.z);
}
[[nodiscard]]
constexpr static float get_vector_height_coordinate(const Vector3<float>& vec) noexcept
{
return vec.y;
}
[[nodiscard]]
static Vector3<float> calc_viewpoint_from_angles(const projectile_prediction::Projectile& projectile,
Vector3<float> predicted_target_position,
const std::optional<float> projectile_pitch) noexcept
{
const auto delta2d = calc_vector_2d_distance(predicted_target_position - projectile.m_origin);
const auto height = delta2d * std::tan(angles::degrees_to_radians(projectile_pitch.value()));
return {predicted_target_position.x, predicted_target_position.y + height, projectile.m_origin.z};
}
// Due to specification of maybe_calculate_projectile_launch_pitch_angle, pitch angle must be:
// 89 look up, -89 look down
[[nodiscard]]
static float calc_direct_pitch_angle(const Vector3<float>& origin, const Vector3<float>& view_to) noexcept
{
const auto direction = (view_to - origin).normalized();
return angles::radians_to_degrees(std::asin(direction.y));
}
[[nodiscard]]
static float calc_direct_yaw_angle(const Vector3<float>& origin, const Vector3<float>& view_to) noexcept
{
const auto direction = (view_to - origin).normalized();
return angles::radians_to_degrees(-std::atan2(direction.x, -direction.z));
};
};
} // namespace omath::opengl_engine

15
include/omath/engines/source_engine/camera.hpp
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@@ -4,17 +4,8 @@
#pragma once #pragma once
#include "omath/engines/source_engine/constants.hpp" #include "omath/engines/source_engine/constants.hpp"
#include "omath/projection/camera.hpp" #include "omath/projection/camera.hpp"
#include "traits/camera_trait.hpp"
namespace omath::source_engine namespace omath::source_engine
{ {
class Camera final : public projection::Camera<Mat4x4, ViewAngles> using Camera = projection::Camera<Mat4X4, ViewAngles, CameraTrait>;
{ } // namespace omath::source_engine
public:
Camera(const Vector3<float>& position, const ViewAngles& viewAngles, const projection::ViewPort& viewPort,
const Angle<float, 0.f, 180.f, AngleFlags::Clamped>& fov, float near, float far);
void LookAt(const Vector3<float>& target) override;
protected:
[[nodiscard]] Mat4x4 CalcViewMatrix() const override;
[[nodiscard]] Mat4x4 CalcProjectionMatrix() const override;
};
}

22
include/omath/engines/source_engine/constants.hpp
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@@ -3,23 +3,23 @@
// //
#pragma once #pragma once
#include <omath/vector3.hpp> #include "omath/linear_algebra/mat.hpp"
#include <omath/mat.hpp> #include "omath/linear_algebra/vector3.hpp"
#include <omath/angle.hpp> #include <omath/trigonometry/angle.hpp>
#include <omath/view_angles.hpp> #include <omath/trigonometry/view_angles.hpp>
namespace omath::source_engine namespace omath::source_engine
{ {
constexpr Vector3<float> kAbsUp = {0, 0, 1}; constexpr Vector3<float> k_abs_up = {0, 0, 1};
constexpr Vector3<float> kAbsRight = {0, -1, 0}; constexpr Vector3<float> k_abs_right = {0, -1, 0};
constexpr Vector3<float> kAbsForward = {1, 0, 0}; constexpr Vector3<float> k_abs_forward = {1, 0, 0};
using Mat4x4 = Mat<4, 4, float, MatStoreType::ROW_MAJOR>; using Mat4X4 = Mat<4, 4, float, MatStoreType::ROW_MAJOR>;
using Mat3x3 = Mat<4, 4, float, MatStoreType::ROW_MAJOR>; using Mat3X3 = Mat<4, 4, float, MatStoreType::ROW_MAJOR>;
using Mat1x3 = Mat<1, 3, float, MatStoreType::ROW_MAJOR>; using Mat1X3 = Mat<1, 3, float, MatStoreType::ROW_MAJOR>;
using PitchAngle = Angle<float, -89.f, 89.f, AngleFlags::Clamped>; using PitchAngle = Angle<float, -89.f, 89.f, AngleFlags::Clamped>;
using YawAngle = Angle<float, -180.f, 180.f, AngleFlags::Normalized>; using YawAngle = Angle<float, -180.f, 180.f, AngleFlags::Normalized>;
using RollAngle = Angle<float, -180.f, 180.f, AngleFlags::Normalized>; using RollAngle = Angle<float, -180.f, 180.f, AngleFlags::Normalized>;
using ViewAngles = omath::ViewAngles<PitchAngle, YawAngle, RollAngle>; using ViewAngles = omath::ViewAngles<PitchAngle, YawAngle, RollAngle>;
} // namespace omath::source } // namespace omath::source_engine

14
include/omath/engines/source_engine/formulas.hpp
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@@ -7,19 +7,19 @@
namespace omath::source_engine namespace omath::source_engine
{ {
[[nodiscard]] [[nodiscard]]
Vector3<float> ForwardVector(const ViewAngles& angles); Vector3<float> forward_vector(const ViewAngles& angles) noexcept;
[[nodiscard]] [[nodiscard]]
Mat4x4 RotationMatrix(const ViewAngles& angles); Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept;
[[nodiscard]] [[nodiscard]]
Vector3<float> RightVector(const ViewAngles& angles); Vector3<float> right_vector(const ViewAngles& angles) noexcept;
[[nodiscard]] [[nodiscard]]
Vector3<float> UpVector(const ViewAngles& angles); Vector3<float> up_vector(const ViewAngles& angles) noexcept;
[[nodiscard]] Mat4x4 CalcViewMatrix(const ViewAngles& angles, const Vector3<float>& cam_origin); [[nodiscard]] Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept;
[[nodiscard]] [[nodiscard]]
Mat4x4 CalcPerspectiveProjectionMatrix(float fieldOfView, float aspectRatio, float near, float far); Mat4X4 calc_perspective_projection_matrix(float field_of_view, float aspect_ratio, float near, float far) noexcept;
} // namespace omath::source } // namespace omath::source_engine

24
include/omath/engines/source_engine/traits/camera_trait.hpp Normal file
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@@ -0,0 +1,24 @@
//
// Created by Vlad on 8/10/2025.
//
#pragma once
#include "omath/engines/source_engine/constants.hpp"
#include "omath/projection/camera.hpp"
namespace omath::source_engine
{
class CameraTrait final
{
public:
[[nodiscard]]
static ViewAngles calc_look_at_angle(const Vector3<float>& cam_origin, const Vector3<float>& look_at) noexcept;
[[nodiscard]]
static Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept;
[[nodiscard]]
static Mat4X4 calc_projection_matrix(const projection::FieldOfView& fov, const projection::ViewPort& view_port,
float near, float far) noexcept;
};
} // namespace omath::source_engine

79
include/omath/engines/source_engine/traits/pred_engine_trait.hpp Normal file
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@@ -0,0 +1,79 @@
//
// Created by Vlad on 8/3/2025.
//
#pragma once
#include "omath/engines/source_engine/formulas.hpp"
#include "omath/projectile_prediction/projectile.hpp"
#include "omath/projectile_prediction/target.hpp"
#include <optional>
namespace omath::source_engine
{
class PredEngineTrait final
{
public:
constexpr static Vector3<float> predict_projectile_position(const projectile_prediction::Projectile& projectile,
const float pitch, const float yaw,
const float time, const float gravity) noexcept
{
auto current_pos = projectile.m_origin
+ forward_vector({PitchAngle::from_degrees(-pitch), YawAngle::from_degrees(yaw),
RollAngle::from_degrees(0)})
* projectile.m_launch_speed * time;
current_pos.z -= (gravity * projectile.m_gravity_scale) * (time * time) * 0.5f;
return current_pos;
}
[[nodiscard]]
static constexpr Vector3<float> predict_target_position(const projectile_prediction::Target& target,
const float time, const float gravity) noexcept
{
auto predicted = target.m_origin + target.m_velocity * time;
if (target.m_is_airborne)
predicted.z -= gravity * (time * time) * 0.5f;
return predicted;
}
[[nodiscard]]
static float calc_vector_2d_distance(const Vector3<float>& delta) noexcept
{
return std::sqrt(delta.x * delta.x + delta.y * delta.y);
}
[[nodiscard]]
constexpr static float get_vector_height_coordinate(const Vector3<float>& vec) noexcept
{
return vec.z;
}
[[nodiscard]]
static Vector3<float> calc_viewpoint_from_angles(const projectile_prediction::Projectile& projectile,
Vector3<float> predicted_target_position,
const std::optional<float> projectile_pitch) noexcept
{
const auto delta2d = calc_vector_2d_distance(predicted_target_position - projectile.m_origin);
const auto height = delta2d * std::tan(angles::degrees_to_radians(projectile_pitch.value()));
return {predicted_target_position.x, predicted_target_position.y, projectile.m_origin.z + height};
}
// Due to specification of maybe_calculate_projectile_launch_pitch_angle, pitch angle must be:
// 89 look up, -89 look down
[[nodiscard]]
static float calc_direct_pitch_angle(const Vector3<float>& origin, const Vector3<float>& view_to) noexcept
{
const auto distance = origin.distance_to(view_to);
const auto delta = view_to - origin;
return angles::radians_to_degrees(std::asin(delta.z / distance));
}
[[nodiscard]]
static float calc_direct_yaw_angle(const Vector3<float>& origin, const Vector3<float>& view_to) noexcept
{
const auto delta = view_to - origin;
return angles::radians_to_degrees(std::atan2(delta.y, delta.x));
};
};
} // namespace omath::source_engine

14
include/omath/engines/unity_engine/camera.hpp
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@@ -5,17 +5,9 @@
#pragma once #pragma once
#include "omath/engines/unity_engine/constants.hpp" #include "omath/engines/unity_engine/constants.hpp"
#include "omath/projection/camera.hpp" #include "omath/projection/camera.hpp"
#include "traits/camera_trait.hpp"
namespace omath::unity_engine namespace omath::unity_engine
{ {
class Camera final : public projection::Camera<Mat4x4, ViewAngles> using Camera = projection::Camera<Mat4X4, ViewAngles, CameraTrait>;
{ } // namespace omath::unity_engine
public:
Camera(const Vector3<float>& position, const ViewAngles& viewAngles, const projection::ViewPort& viewPort,
const Angle<float, 0.f, 180.f, AngleFlags::Clamped>& fov, float near, float far);
void LookAt(const Vector3<float>& target) override;
protected:
[[nodiscard]] Mat4x4 CalcViewMatrix() const override;
[[nodiscard]] Mat4x4 CalcProjectionMatrix() const override;
};
}

22
include/omath/engines/unity_engine/constants.hpp
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@@ -4,23 +4,23 @@
#pragma once #pragma once
#include <omath/vector3.hpp> #include "omath/linear_algebra/mat.hpp"
#include <omath/mat.hpp> #include "omath/linear_algebra/vector3.hpp"
#include <omath/angle.hpp> #include <omath/trigonometry/angle.hpp>
#include <omath/view_angles.hpp> #include <omath/trigonometry/view_angles.hpp>
namespace omath::unity_engine namespace omath::unity_engine
{ {
constexpr Vector3<float> kAbsUp = {0, 1, 0}; constexpr Vector3<float> k_abs_up = {0, 1, 0};
constexpr Vector3<float> kAbsRight = {1, 0, 0}; constexpr Vector3<float> k_abs_right = {1, 0, 0};
constexpr Vector3<float> kAbsForward = {0, 0, 1}; constexpr Vector3<float> k_abs_forward = {0, 0, 1};
using Mat4x4 = Mat<4, 4, float, MatStoreType::ROW_MAJOR>; using Mat4X4 = Mat<4, 4, float, MatStoreType::ROW_MAJOR>;
using Mat3x3 = Mat<4, 4, float, MatStoreType::ROW_MAJOR>; using Mat3X3 = Mat<4, 4, float, MatStoreType::ROW_MAJOR>;
using Mat1x3 = Mat<1, 3, float, MatStoreType::ROW_MAJOR>; using Mat1X3 = Mat<1, 3, float, MatStoreType::ROW_MAJOR>;
using PitchAngle = Angle<float, -90.f, 90.f, AngleFlags::Clamped>; using PitchAngle = Angle<float, -90.f, 90.f, AngleFlags::Clamped>;
using YawAngle = Angle<float, -180.f, 180.f, AngleFlags::Normalized>; using YawAngle = Angle<float, -180.f, 180.f, AngleFlags::Normalized>;
using RollAngle = Angle<float, -180.f, 180.f, AngleFlags::Normalized>; using RollAngle = Angle<float, -180.f, 180.f, AngleFlags::Normalized>;
using ViewAngles = omath::ViewAngles<PitchAngle, YawAngle, RollAngle>; using ViewAngles = omath::ViewAngles<PitchAngle, YawAngle, RollAngle>;
} // namespace omath::source } // namespace omath::unity_engine

14
include/omath/engines/unity_engine/formulas.hpp
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@@ -8,19 +8,19 @@
namespace omath::unity_engine namespace omath::unity_engine
{ {
[[nodiscard]] [[nodiscard]]
Vector3<float> ForwardVector(const ViewAngles& angles); Vector3<float> forward_vector(const ViewAngles& angles) noexcept;
[[nodiscard]] [[nodiscard]]
Vector3<float> RightVector(const ViewAngles& angles); Vector3<float> right_vector(const ViewAngles& angles) noexcept;
[[nodiscard]] [[nodiscard]]
Vector3<float> UpVector(const ViewAngles& angles); Vector3<float> up_vector(const ViewAngles& angles) noexcept;
[[nodiscard]] Mat4x4 CalcViewMatrix(const ViewAngles& angles, const Vector3<float>& cam_origin); [[nodiscard]] Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept;
[[nodiscard]] [[nodiscard]]
Mat4x4 RotationMatrix(const ViewAngles& angles); Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept;
[[nodiscard]] [[nodiscard]]
Mat4x4 CalcPerspectiveProjectionMatrix(float fieldOfView, float aspectRatio, float near, float far); Mat4X4 calc_perspective_projection_matrix(float field_of_view, float aspect_ratio, float near, float far) noexcept;
} // namespace omath::source } // namespace omath::unity_engine

24
include/omath/engines/unity_engine/traits/camera_trait.hpp Normal file
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@@ -0,0 +1,24 @@
//
// Created by Vlad on 8/10/2025.
//
#pragma once
#include "omath/engines/unity_engine/formulas.hpp"
#include "omath/projection/camera.hpp"
namespace omath::unity_engine
{
class CameraTrait final
{
public:
[[nodiscard]]
static ViewAngles calc_look_at_angle(const Vector3<float>& cam_origin, const Vector3<float>& look_at) noexcept;
[[nodiscard]]
static Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept;
[[nodiscard]]
static Mat4X4 calc_projection_matrix(const projection::FieldOfView& fov, const projection::ViewPort& view_port,
float near, float far) noexcept;
};
} // namespace omath::unity_engine

76
include/omath/engines/unity_engine/traits/pred_engine_trait.hpp Normal file
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@@ -0,0 +1,76 @@
//
// Created by Vlad on 8/6/2025.
//
#pragma once
#include "omath/engines/unity_engine/formulas.hpp"
#include "omath/projectile_prediction/projectile.hpp"
#include "omath/projectile_prediction/target.hpp"
#include <optional>
namespace omath::unity_engine
{
class PredEngineTrait final
{
public:
constexpr static Vector3<float> predict_projectile_position(const projectile_prediction::Projectile& projectile,
const float pitch, const float yaw,
const float time, const float gravity) noexcept
{
auto current_pos = projectile.m_origin
+ forward_vector({PitchAngle::from_degrees(-pitch), YawAngle::from_degrees(yaw),
RollAngle::from_degrees(0)})
* projectile.m_launch_speed * time;
current_pos.y -= (gravity * projectile.m_gravity_scale) * (time * time) * 0.5f;
return current_pos;
}
[[nodiscard]]
static constexpr Vector3<float> predict_target_position(const projectile_prediction::Target& target,
const float time, const float gravity) noexcept
{
auto predicted = target.m_origin + target.m_velocity * time;
if (target.m_is_airborne)
predicted.y -= gravity * (time * time) * 0.5f;
return predicted;
}
[[nodiscard]]
static float calc_vector_2d_distance(const Vector3<float>& delta) noexcept
{
return std::sqrt(delta.x * delta.x + delta.z * delta.z);
}
[[nodiscard]]
constexpr static float get_vector_height_coordinate(const Vector3<float>& vec) noexcept
{
return vec.y;
}
[[nodiscard]]
static Vector3<float> calc_viewpoint_from_angles(const projectile_prediction::Projectile& projectile,
Vector3<float> predicted_target_position,
const std::optional<float> projectile_pitch) noexcept
{
const auto delta2d = calc_vector_2d_distance(predicted_target_position - projectile.m_origin);
const auto height = delta2d * std::tan(angles::degrees_to_radians(projectile_pitch.value()));
return {predicted_target_position.x, predicted_target_position.y + height, projectile.m_origin.z};
}
// Due to specification of maybe_calculate_projectile_launch_pitch_angle, pitch angle must be:
// 89 look up, -89 look down
[[nodiscard]]
static float calc_direct_pitch_angle(const Vector3<float>& origin, const Vector3<float>& view_to) noexcept
{
const auto direction = (view_to - origin).normalized();
return angles::radians_to_degrees(std::asin(direction.y));
}
[[nodiscard]]
static float calc_direct_yaw_angle(const Vector3<float>& origin, const Vector3<float>& view_to) noexcept
{
const auto direction = (view_to - origin).normalized();
return angles::radians_to_degrees(std::atan2(direction.x, direction.z));
};
};
} // namespace omath::unity_engine

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//
// Created by Vlad on 3/22/2025.
//
#pragma once
#include "omath/engines/unreal_engine/constants.hpp"
#include "omath/projection/camera.hpp"
#include "traits/camera_trait.hpp"
namespace omath::unreal_engine
{
using Camera = projection::Camera<Mat4X4, ViewAngles, CameraTrait>;
} // namespace omath::unreal_engine

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//
// Created by Vlad on 3/22/2025.
//
#pragma once
#include "omath/linear_algebra/mat.hpp"
#include "omath/linear_algebra/vector3.hpp"
#include <omath/trigonometry/angle.hpp>
#include <omath/trigonometry/view_angles.hpp>
namespace omath::unreal_engine
{
constexpr Vector3<float> k_abs_up = {0, 0, 1};
constexpr Vector3<float> k_abs_right = {0, 1, 0};
constexpr Vector3<float> k_abs_forward = {1, 0, 0};
using Mat4X4 = Mat<4, 4, float, MatStoreType::ROW_MAJOR>;
using Mat3X3 = Mat<4, 4, float, MatStoreType::ROW_MAJOR>;
using Mat1X3 = Mat<1, 3, float, MatStoreType::ROW_MAJOR>;
using PitchAngle = Angle<float, -90.f, 90.f, AngleFlags::Clamped>;
using YawAngle = Angle<float, -180.f, 180.f, AngleFlags::Normalized>;
using RollAngle = Angle<float, -180.f, 180.f, AngleFlags::Normalized>;
using ViewAngles = omath::ViewAngles<PitchAngle, YawAngle, RollAngle>;
} // namespace omath::unreal_engine

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//
// Created by Vlad on 3/22/2025.
//
#pragma once
#include "omath/engines/unreal_engine/constants.hpp"
namespace omath::unreal_engine
{
[[nodiscard]]
Vector3<float> forward_vector(const ViewAngles& angles) noexcept;
[[nodiscard]]
Vector3<float> right_vector(const ViewAngles& angles) noexcept;
[[nodiscard]]
Vector3<float> up_vector(const ViewAngles& angles) noexcept;
[[nodiscard]] Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept;
[[nodiscard]]
Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept;
[[nodiscard]]
Mat4X4 calc_perspective_projection_matrix(float field_of_view, float aspect_ratio, float near, float far) noexcept;
} // namespace omath::unreal_engine

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//
// Created by Vlad on 8/10/2025.
//
#pragma once
#include "omath/engines/unreal_engine/formulas.hpp"
#include "omath/projection/camera.hpp"
namespace omath::unreal_engine
{
class CameraTrait final
{
public:
[[nodiscard]]
static ViewAngles calc_look_at_angle(const Vector3<float>& cam_origin, const Vector3<float>& look_at) noexcept;
[[nodiscard]]
static Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept;
[[nodiscard]]
static Mat4X4 calc_projection_matrix(const projection::FieldOfView& fov, const projection::ViewPort& view_port,
float near, float far) noexcept;
};
} // namespace omath::unreal_engine

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//
// Created by Vlad on 8/6/2025.
//
#pragma once
#include "omath/engines/unreal_engine/formulas.hpp"
#include "omath/projectile_prediction/projectile.hpp"
#include "omath/projectile_prediction/target.hpp"
#include <optional>
namespace omath::unreal_engine
{
class PredEngineTrait final
{
public:
constexpr static Vector3<float> predict_projectile_position(const projectile_prediction::Projectile& projectile,
const float pitch, const float yaw,
const float time, const float gravity) noexcept
{
auto current_pos = projectile.m_origin
+ forward_vector({PitchAngle::from_degrees(-pitch), YawAngle::from_degrees(yaw),
RollAngle::from_degrees(0)})
* projectile.m_launch_speed * time;
current_pos.y -= (gravity * projectile.m_gravity_scale) * (time * time) * 0.5f;
return current_pos;
}
[[nodiscard]]
static constexpr Vector3<float> predict_target_position(const projectile_prediction::Target& target,
const float time, const float gravity) noexcept
{
auto predicted = target.m_origin + target.m_velocity * time;
if (target.m_is_airborne)
predicted.y -= gravity * (time * time) * 0.5f;
return predicted;
}
[[nodiscard]]
static float calc_vector_2d_distance(const Vector3<float>& delta) noexcept
{
return std::sqrt(delta.x * delta.x + delta.z * delta.z);
}
[[nodiscard]]
constexpr static float get_vector_height_coordinate(const Vector3<float>& vec) noexcept
{
return vec.y;
}
[[nodiscard]]
static Vector3<float> calc_viewpoint_from_angles(const projectile_prediction::Projectile& projectile,
Vector3<float> predicted_target_position,
const std::optional<float> projectile_pitch) noexcept
{
const auto delta2d = calc_vector_2d_distance(predicted_target_position - projectile.m_origin);
const auto height = delta2d * std::tan(angles::degrees_to_radians(projectile_pitch.value()));
return {predicted_target_position.x, predicted_target_position.y, projectile.m_origin.z + height};
}
// Due to specification of maybe_calculate_projectile_launch_pitch_angle, pitch angle must be:
// 89 look up, -89 look down
[[nodiscard]]
static float calc_direct_pitch_angle(const Vector3<float>& origin, const Vector3<float>& view_to) noexcept
{
const auto direction = (view_to - origin).normalized();
return angles::radians_to_degrees(std::asin(direction.z));
}
[[nodiscard]]
static float calc_direct_yaw_angle(const Vector3<float>& origin, const Vector3<float>& view_to) noexcept
{
const auto direction = (view_to - origin).normalized();
return angles::radians_to_degrees(std::atan2(direction.y, direction.x));
};
};
} // namespace omath::unreal_engine

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//
// Created by vlad on 9/29/2024.
//
#pragma once
#include "vector3.hpp"
#include <algorithm>
#include <array>
#include <iomanip>
#include <numeric>
#include <sstream>
#include <stdexcept>
#include <utility>
#ifdef OMATH_USE_AVX2
#include <immintrin.h>
#endif
#undef near
#undef far
namespace omath
{
struct MatSize
{
size_t rows, columns;
};
enum class MatStoreType : uint8_t
{
ROW_MAJOR = 0,
COLUMN_MAJOR
};
template<typename M1, typename M2> concept MatTemplateEqual
= (M1::rows == M2::rows) && (M1::columns == M2::columns)
&& std::is_same_v<typename M1::value_type, typename M2::value_type> && (M1::store_type == M2::store_type);
template<size_t Rows = 0, size_t Columns = 0, class Type = float, MatStoreType StoreType = MatStoreType::ROW_MAJOR>
requires std::is_arithmetic_v<Type>
class Mat final
{
public:
using ContainedType = Type;
constexpr Mat() noexcept
{
clear();
}
[[nodiscard]]
constexpr static MatStoreType get_store_ordering() noexcept
{
return StoreType;
}
constexpr Mat(const std::initializer_list<std::initializer_list<Type>>& rows)
{
if (rows.size() != Rows)
throw std::invalid_argument("Initializer list rows size does not match template parameter Rows");
auto row_it = rows.begin();
for (size_t i = 0; i < Rows; ++i, ++row_it)
{
if (row_it->size() != Columns)
throw std::invalid_argument(
"All rows must have the same number of columns as template parameter Columns");
auto col_it = row_it->begin();
for (size_t j = 0; j < Columns; ++j, ++col_it)
{
at(i, j) = std::move(*col_it);
}
}
}
constexpr explicit Mat(const Type* raw_data)
{
std::copy_n(raw_data, Rows * Columns, m_data.begin());
}
constexpr Mat(const Mat& other) noexcept
{
m_data = other.m_data;
}
[[nodiscard]]
constexpr Type& operator[](const size_t row, const size_t col)
{
return at(row, col);
}
[[nodiscard]]
constexpr const Type& operator[](const size_t row, const size_t col) const
{
return at(row, col);
}
constexpr Mat(Mat&& other) noexcept
{
m_data = std::move(other.m_data);
}
[[nodiscard]]
static constexpr size_t row_count() noexcept
{
return Rows;
}
[[nodiscard]]
static constexpr size_t columns_count() noexcept
{
return Columns;
}
[[nodiscard]]
static consteval MatSize size() noexcept
{
return {Rows, Columns};
}
[[nodiscard]]
constexpr const Type& at(const size_t row_index, const size_t column_index) const
{
#if !defined(NDEBUG) && defined(OMATH_SUPRESS_SAFETY_CHECKS)
if (row_index >= Rows || column_index >= Columns)
throw std::out_of_range("Index out of range");
#endif
if constexpr (StoreType == MatStoreType::ROW_MAJOR)
return m_data[row_index * Columns + column_index];
else if constexpr (StoreType == MatStoreType::COLUMN_MAJOR)
return m_data[row_index + column_index * Rows];
else
{
static_assert(false, "Invalid matrix access convention");
std::unreachable();
}
}
[[nodiscard]] constexpr Type& at(const size_t row_index, const size_t column_index)
{
return const_cast<Type&>(std::as_const(*this).at(row_index, column_index));
}
[[nodiscard]]
constexpr Type sum() const noexcept
{
return std::accumulate(m_data.begin(), m_data.end(), static_cast<Type>(0));
}
constexpr void clear() noexcept
{
set(static_cast<Type>(0));
}
constexpr void set(const Type& value) noexcept
{
std::ranges::fill(m_data, value);
}
// Operator overloading for multiplication with another Mat
template<size_t OtherColumns> [[nodiscard]]
constexpr Mat<Rows, OtherColumns, Type, StoreType>
operator*(const Mat<Columns, OtherColumns, Type, StoreType>& other) const
{
#ifdef OMATH_USE_AVX2
if constexpr (StoreType == MatStoreType::ROW_MAJOR)
return avx_multiply_row_major(other);
else if constexpr (StoreType == MatStoreType::COLUMN_MAJOR)
return avx_multiply_col_major(other);
#else
if constexpr (StoreType == MatStoreType::ROW_MAJOR)
return cache_friendly_multiply_row_major(other);
else if constexpr (StoreType == MatStoreType::COLUMN_MAJOR)
return cache_friendly_multiply_col_major(other);
#endif
else
std::unreachable();
}
constexpr Mat& operator*=(const Type& f) noexcept
{
std::ranges::for_each(m_data, [&f](auto& val) { val *= f; });
return *this;
}
template<size_t OtherColumns> constexpr Mat<Rows, OtherColumns, Type, StoreType>
operator*=(const Mat<Columns, OtherColumns, Type, StoreType>& other)
{
return *this = *this * other;
}
[[nodiscard]]
constexpr Mat operator*(const Type& value) const noexcept
{
Mat result(*this);
result *= value;
return result;
}
constexpr Mat& operator/=(const Type& value) noexcept
{
std::ranges::for_each(m_data, [&value](auto& val) { val /= value; });
return *this;
}
[[nodiscard]]
constexpr Mat operator/(const Type& value) const noexcept
{
Mat result(*this);
result /= value;
return result;
}
constexpr Mat& operator=(const Mat& other) noexcept
{
if (this != &other)
m_data = other.m_data;
return *this;
}
constexpr Mat& operator=(Mat&& other) noexcept
{
if (this != &other)
m_data = std::move(other.m_data);
return *this;
}
[[nodiscard]]
constexpr Mat<Columns, Rows, Type, StoreType> transposed() const noexcept
{
Mat<Columns, Rows, Type, StoreType> transposed;
for (size_t i = 0; i < Rows; ++i)
for (size_t j = 0; j < Columns; ++j)
transposed.at(j, i) = at(i, j);
return transposed;
}
[[nodiscard]]
constexpr Type determinant() const
{
static_assert(Rows == Columns, "Determinant is only defined for square matrices.");
if constexpr (Rows == 1)
return at(0, 0);
if constexpr (Rows == 2)
return at(0, 0) * at(1, 1) - at(0, 1) * at(1, 0);
if constexpr (Rows > 2)
{
Type det = 0;
for (size_t column = 0; column < Columns; ++column)
{
const Type cofactor = at(0, column) * alg_complement(0, column);
det += cofactor;
}
return det;
}
std::unreachable();
}
[[nodiscard]]
constexpr Mat<Rows - 1, Columns - 1, Type, StoreType> strip(const size_t row, const size_t column) const
{
static_assert(Rows - 1 > 0 && Columns - 1 > 0);
Mat<Rows - 1, Columns - 1, Type, StoreType> result;
for (size_t i = 0, m = 0; i < Rows; ++i)
{
if (i == row)
continue;
for (size_t j = 0, n = 0; j < Columns; ++j)
{
if (j == column)
continue;
result.at(m, n) = at(i, j);
++n;
}
++m;
}
return result;
}
[[nodiscard]]
constexpr Type minor(const size_t row, const size_t column) const
{
return strip(row, column).determinant();
}
[[nodiscard]]
constexpr Type alg_complement(const size_t row, const size_t column) const
{
const auto minor_value = minor(row, column);
return (row + column + 2) % 2 == 0 ? minor_value : -minor_value;
}
[[nodiscard]]
constexpr const std::array<Type, Rows * Columns>& raw_array() const
{
return m_data;
}
[[nodiscard]]
constexpr std::array<Type, Rows * Columns>& raw_array()
{
return m_data;
}
[[nodiscard]]
std::string to_string() const noexcept
{
std::ostringstream oss;
oss << "[[";
for (size_t i = 0; i < Rows; ++i)
{
if (i > 0)
oss << " [";
for (size_t j = 0; j < Columns; ++j)
{
oss << std::setw(9) << std::fixed << std::setprecision(3) << at(i, j);
if (j != Columns - 1)
oss << ", ";
}
oss << (i == Rows - 1 ? "]]" : "]\n");
}
return oss.str();
}
[[nodiscard]]
std::wstring to_wstring() const noexcept
{
const auto ascii_string = to_string();
return {ascii_string.cbegin(), ascii_string.cend()};
}
[[nodiscard]]
// ReSharper disable once CppInconsistentNaming
std::u8string to_u8string() const noexcept
{
const auto ascii_string = to_string();
return {ascii_string.cbegin(), ascii_string.cend()};
}
[[nodiscard]]
bool operator==(const Mat& mat) const
{
return m_data == mat.m_data;
}
[[nodiscard]]
bool operator!=(const Mat& mat) const
{
return !operator==(mat);
}
// Static methods that return fixed-size matrices
[[nodiscard]]
constexpr static Mat<4, 4> to_screen_mat(const Type& screen_width, const Type& screen_height) noexcept
{
return {
{screen_width / 2, 0, 0, 0},
{0, -screen_height / 2, 0, 0},
{0, 0, 1, 0},
{screen_width / 2, screen_height / 2, 0, 1},
};
}
[[nodiscard]]
constexpr std::optional<Mat> inverted() const
{
const auto det = determinant();
if (det == 0)
return std::nullopt;
const auto transposed_mat = transposed();
Mat result;
for (std::size_t row = 0; row < Rows; row++)
for (std::size_t column = 0; column < Rows; column++)
result.at(row, column) = transposed_mat.alg_complement(row, column);
result /= det;
return {result};
}
private:
std::array<Type, Rows * Columns> m_data;
template<size_t OtherColumns> [[nodiscard]]
constexpr Mat<Rows, OtherColumns, Type, MatStoreType::ROW_MAJOR>
cache_friendly_multiply_row_major(const Mat<Columns, OtherColumns, Type, MatStoreType::ROW_MAJOR>& other) const
{
Mat<Rows, OtherColumns, Type, MatStoreType::ROW_MAJOR> result;
for (std::size_t row_index = 0; row_index < Rows; ++row_index)
for (std::size_t column_index = 0; column_index < Columns; ++column_index)
{
const Type& current_number = at(row_index, column_index);
for (std::size_t other_column = 0; other_column < OtherColumns; ++other_column)
result.at(row_index, other_column) += current_number * other.at(column_index, other_column);
}
return result;
}
template<size_t OtherColumns> [[nodiscard]]
constexpr Mat<Rows, OtherColumns, Type, MatStoreType::COLUMN_MAJOR> cache_friendly_multiply_col_major(
const Mat<Columns, OtherColumns, Type, MatStoreType::COLUMN_MAJOR>& other) const
{
Mat<Rows, OtherColumns, Type, MatStoreType::COLUMN_MAJOR> result;
for (std::size_t other_column = 0; other_column < OtherColumns; ++other_column)
for (std::size_t column_index = 0; column_index < Columns; ++column_index)
{
const Type& current_number = other.at(column_index, other_column);
for (std::size_t row_index = 0; row_index < Rows; ++row_index)
result.at(row_index, other_column) += at(row_index, column_index) * current_number;
}
return result;
}
#ifdef OMATH_USE_AVX2
template<size_t OtherColumns> [[nodiscard]]
constexpr Mat<Rows, OtherColumns, Type, MatStoreType::COLUMN_MAJOR>
avx_multiply_col_major(const Mat<Columns, OtherColumns, Type, MatStoreType::COLUMN_MAJOR>& other) const
{
Mat<Rows, OtherColumns, Type, MatStoreType::COLUMN_MAJOR> result;
const Type* this_mat_data = this->raw_array().data();
const Type* other_mat_data = other.raw_array().data();
Type* result_mat_data = result.raw_array().data();
if constexpr (std::is_same_v<Type, float>)
{
// ReSharper disable once CppTooWideScopeInitStatement
constexpr std::size_t vector_size = 8;
for (std::size_t j = 0; j < OtherColumns; ++j)
{
auto* c_col = reinterpret_cast<float*>(result_mat_data + j * Rows);
for (std::size_t k = 0; k < Columns; ++k)
{
const float bkj = reinterpret_cast<const float*>(other_mat_data)[k + j * Columns];
const __m256 bkj_vec = _mm256_set1_ps(bkj);
const auto* a_col_k = reinterpret_cast<const float*>(this_mat_data + k * Rows);
std::size_t i = 0;
for (; i + vector_size <= Rows; i += vector_size)
{
__m256 cvec = _mm256_loadu_ps(c_col + i);
const __m256 a_vec = _mm256_loadu_ps(a_col_k + i);
cvec = _mm256_fmadd_ps(a_vec, bkj_vec, cvec);
_mm256_storeu_ps(c_col + i, cvec);
}
for (; i < Rows; ++i)
c_col[i] += a_col_k[i] * bkj;
}
}
}
else if (std::is_same_v<Type, double>)
{ // double
// ReSharper disable once CppTooWideScopeInitStatement
constexpr std::size_t vector_size = 4;
for (std::size_t j = 0; j < OtherColumns; ++j)
{
auto* c_col = reinterpret_cast<double*>(result_mat_data + j * Rows);
for (std::size_t k = 0; k < Columns; ++k)
{
const double bkj = reinterpret_cast<const double*>(other_mat_data)[k + j * Columns];
const __m256d bkj_vec = _mm256_set1_pd(bkj);
const auto* a_col_k = reinterpret_cast<const double*>(this_mat_data + k * Rows);
std::size_t i = 0;
for (; i + vector_size <= Rows; i += vector_size)
{
__m256d cvec = _mm256_loadu_pd(c_col + i);
const __m256d a_vec = _mm256_loadu_pd(a_col_k + i);
cvec = _mm256_fmadd_pd(a_vec, bkj_vec, cvec);
_mm256_storeu_pd(c_col + i, cvec);
}
for (; i < Rows; ++i)
c_col[i] += a_col_k[i] * bkj;
}
}
}
else
std::unreachable();
return result;
}
template<size_t OtherColumns> [[nodiscard]]
constexpr Mat<Rows, OtherColumns, Type, MatStoreType::ROW_MAJOR>
avx_multiply_row_major(const Mat<Columns, OtherColumns, Type, MatStoreType::ROW_MAJOR>& other) const
{
Mat<Rows, OtherColumns, Type, MatStoreType::ROW_MAJOR> result;
const Type* this_mat_data = this->raw_array().data();
const Type* other_mat_data = other.raw_array().data();
Type* result_mat_data = result.raw_array().data();
if constexpr (std::is_same_v<Type, float>)
{
// ReSharper disable once CppTooWideScopeInitStatement
constexpr std::size_t vector_size = 8;
for (std::size_t i = 0; i < Rows; ++i)
{
Type* c_row = result_mat_data + i * OtherColumns;
for (std::size_t k = 0; k < Columns; ++k)
{
const auto aik = static_cast<float>(this_mat_data[i * Columns + k]);
const __m256 aik_vec = _mm256_set1_ps(aik);
const auto* b_row = reinterpret_cast<const float*>(other_mat_data + k * OtherColumns);
std::size_t j = 0;
for (; j + vector_size <= OtherColumns; j += vector_size)
{
__m256 cvec = _mm256_loadu_ps(c_row + j);
const __m256 b_vec = _mm256_loadu_ps(b_row + j);
cvec = _mm256_fmadd_ps(b_vec, aik_vec, cvec);
_mm256_storeu_ps(c_row + j, cvec);
}
for (; j < OtherColumns; ++j)
c_row[j] += aik * b_row[j];
}
}
}
else if (std::is_same_v<Type, double>)
{ // double
// ReSharper disable once CppTooWideScopeInitStatement
constexpr std::size_t vector_size = 4;
for (std::size_t i = 0; i < Rows; ++i)
{
Type* c_row = result_mat_data + i * OtherColumns;
for (std::size_t k = 0; k < Columns; ++k)
{
const auto aik = static_cast<double>(this_mat_data[i * Columns + k]);
const __m256d aik_vec = _mm256_set1_pd(aik);
const auto* b_row = reinterpret_cast<const double*>(other_mat_data + k * OtherColumns);
std::size_t j = 0;
for (; j + vector_size <= OtherColumns; j += vector_size)
{
__m256d cvec = _mm256_loadu_pd(c_row + j);
const __m256d b_vec = _mm256_loadu_pd(b_row + j);
cvec = _mm256_fmadd_pd(b_vec, aik_vec, cvec);
_mm256_storeu_pd(c_row + j, cvec);
}
for (; j < OtherColumns; ++j)
c_row[j] += aik * b_row[j];
}
}
}
else
std::unreachable();
return result;
}
#endif
};
template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR> [[nodiscard]]
constexpr static Mat<1, 4, Type, St> mat_row_from_vector(const Vector3<Type>& vector) noexcept
{
return {{vector.x, vector.y, vector.z, 1}};
}
template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR> [[nodiscard]]
constexpr static Mat<4, 1, Type, St> mat_column_from_vector(const Vector3<Type>& vector) noexcept
{
return {{vector.x}, {vector.y}, {vector.z}, {1}};
}
template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR>
[[nodiscard]]
constexpr Mat<4, 4, Type, St> mat_translation(const Vector3<Type>& diff) noexcept
{
return
{
{1, 0, 0, diff.x},
{0, 1, 0, diff.y},
{0, 0, 1, diff.z},
{0, 0, 0, 1},
};
}
template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR, class Angle>
[[nodiscard]]
Mat<4, 4, Type, St> mat_rotation_axis_x(const Angle& angle) noexcept
{
return
{
{1, 0, 0, 0},
{0, angle.cos(), -angle.sin(), 0},
{0, angle.sin(), angle.cos(), 0},
{0, 0, 0, 1}
};
}
template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR, class Angle>
[[nodiscard]]
Mat<4, 4, Type, St> mat_rotation_axis_y(const Angle& angle) noexcept
{
return
{
{angle.cos(), 0, angle.sin(), 0},
{0 , 1, 0, 0},
{-angle.sin(), 0, angle.cos(), 0},
{0 , 0, 0, 1}
};
}
template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR, class Angle>
[[nodiscard]]
Mat<4, 4, Type, St> mat_rotation_axis_z(const Angle& angle) noexcept
{
return
{
{angle.cos(), -angle.sin(), 0, 0},
{angle.sin(), angle.cos(), 0, 0},
{ 0, 0, 1, 0},
{ 0, 0, 0, 1},
};
}
template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR>
[[nodiscard]]
static Mat<4, 4, Type, St> mat_camera_view(const Vector3<Type>& forward, const Vector3<Type>& right,
const Vector3<Type>& up, const Vector3<Type>& camera_origin) noexcept
{
return Mat<4, 4, Type, St>
{
{right.x, right.y, right.z, 0},
{up.x, up.y, up.z, 0},
{forward.x, forward.y, forward.z, 0},
{0, 0, 0, 1},
} * mat_translation<Type, St>(-camera_origin);
}
template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR>
[[nodiscard]]
Mat<4, 4, Type, St> mat_perspective_left_handed(const float field_of_view, const float aspect_ratio,
const float near, const float far) noexcept
{
const float fov_half_tan = std::tan(angles::degrees_to_radians(field_of_view) / 2.f);
return {{1.f / (aspect_ratio * fov_half_tan), 0.f, 0.f, 0.f},
{0.f, 1.f / fov_half_tan, 0.f, 0.f},
{0.f, 0.f, (far + near) / (far - near), -(2.f * near * far) / (far - near)},
{0.f, 0.f, 1.f, 0.f}};
}
template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR>
[[nodiscard]]
Mat<4, 4, Type, St> mat_perspective_right_handed(const float field_of_view, const float aspect_ratio,
const float near, const float far) noexcept
{
const float fov_half_tan = std::tan(angles::degrees_to_radians(field_of_view) / 2.f);
return {{1.f / (aspect_ratio * fov_half_tan), 0.f, 0.f, 0.f},
{0.f, 1.f / fov_half_tan, 0.f, 0.f},
{0.f, 0.f, -(far + near) / (far - near), -(2.f * near * far) / (far - near)},
{0.f, 0.f, -1.f, 0.f}};
}
template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR>
[[nodiscard]]
Mat<4, 4, Type, St> mat_ortho_left_handed(const Type left, const Type right, const Type bottom, const Type top,
const Type near, const Type far) noexcept
{
return
{
{ static_cast<Type>(2) / (right - left), 0.f, 0.f, -(right + left) / (right - left)},
{ 0.f, static_cast<Type>(2) / (top - bottom), 0.f, -(top + bottom) / (top - bottom)},
{ 0.f, 0.f, static_cast<Type>(2) / (far - near), -(far + near) / (far - near) },
{ 0.f, 0.f, 0.f, 1.f }
};
}
template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR>
[[nodiscard]]
Mat<4, 4, Type, St> mat_ortho_right_handed(const Type left, const Type right, const Type bottom, const Type top,
const Type near, const Type far) noexcept
{
return
{
{ static_cast<Type>(2) / (right - left), 0.f, 0.f, -(right + left) / (right - left)},
{ 0.f, static_cast<Type>(2) / (top - bottom), 0.f, -(top + bottom) / (top - bottom)},
{ 0.f, 0.f, -static_cast<Type>(2) / (far - near), -(far + near) / (far - near) },
{ 0.f, 0.f, 0.f, 1.f }
};
}
template<class T = float, MatStoreType St = MatStoreType::COLUMN_MAJOR>
Mat<4, 4, T, St> mat_look_at_left_handed(const Vector3<T>& eye, const Vector3<T>& center, const Vector3<T>& up)
{
const Vector3<T> f = (center - eye).normalized();
const Vector3<T> s = f.cross(up).normalized();
const Vector3<T> u = s.cross(f);
return mat_camera_view<T, St>(f, s, u, eye);
}
template<class T = float, MatStoreType St = MatStoreType::COLUMN_MAJOR>
Mat<4, 4, T, St>mat_look_at_right_handed(const Vector3<T>& eye, const Vector3<T>& center, const Vector3<T>& up)
{
const Vector3<T> f = (center - eye).normalized();
const Vector3<T> s = f.cross(up).normalized();
const Vector3<T> u = s.cross(f);
return mat_camera_view<T, St>(-f, s, u, eye);
}
} // namespace omath
template<size_t Rows, size_t Columns, class Type, omath::MatStoreType StoreType>
struct std::formatter<omath::Mat<Rows, Columns, Type, StoreType>> // NOLINT(*-dcl58-cpp)
{
using MatType = omath::Mat<Rows, Columns, Type, StoreType>;
[[nodiscard]]
static constexpr auto parse(std::format_parse_context& ctx)
{
return ctx.begin();
}
template<class FormatContext>
[[nodiscard]]
static auto format(const MatType& mat, FormatContext& ctx)
{
if constexpr (std::is_same_v<typename FormatContext::char_type, char>)
return std::format_to(ctx.out(), "{}", mat.to_string());
if constexpr (std::is_same_v<typename FormatContext::char_type, wchar_t>)
return std::format_to(ctx.out(), L"{}", mat.to_wstring());
if constexpr (std::is_same_v<typename FormatContext::char_type, char8_t>)
return std::format_to(ctx.out(), u8"{}", mat.to_u8string());
}
};

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include/omath/linear_algebra/triangle.hpp Normal file
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//
// Created by Orange on 11/13/2024.
//
#pragma once
#include "vector3.hpp"
namespace omath
{
/*
v1
|\
| \
a | \ hypot
| \
v2 ----- v3
b
*/
template<class Vector>
class Triangle final
{
public:
constexpr Triangle() = default;
constexpr Triangle(const Vector& vertex1, const Vector& vertex2, const Vector& vertex3)
: m_vertex1(vertex1), m_vertex2(vertex2), m_vertex3(vertex3)
{
}
Vector3<float> m_vertex1;
Vector3<float> m_vertex2;
Vector3<float> m_vertex3;
[[nodiscard]]
constexpr Vector3<float> calculate_normal() const
{
const auto b = side_b_vector();
const auto a = side_a_vector();
return b.cross(a).normalized();
}
[[nodiscard]]
float side_a_length() const
{
return m_vertex1.distance_to(m_vertex2);
}
[[nodiscard]]
float side_b_length() const
{
return m_vertex3.distance_to(m_vertex2);
}
[[nodiscard]]
constexpr Vector3<float> side_a_vector() const
{
return m_vertex1 - m_vertex2;
}
[[nodiscard]]
constexpr float hypot() const
{
return m_vertex1.distance_to(m_vertex3);
}
[[nodiscard]]
constexpr bool is_rectangular() const
{
const auto side_a = side_a_length();
const auto side_b = side_b_length();
const auto hypot_value = hypot();
return std::abs(side_a * side_a + side_b * side_b - hypot_value * hypot_value) <= 0.0001f;
}
[[nodiscard]]
constexpr Vector3<float> side_b_vector() const
{
return m_vertex3 - m_vertex2;
}
[[nodiscard]]
constexpr Vector3<float> mid_point() const
{
return (m_vertex1 + m_vertex2 + m_vertex3) / 3;
}
};
} // namespace omath

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//
// Created by Vlad on 02.09.2024.
//
#pragma once
#include <cmath>
#include <format>
#include <tuple>
#ifdef OMATH_IMGUI_INTEGRATION
#include <imgui.h>
#endif
namespace omath
{
template<class Type>
requires std::is_arithmetic_v<Type>
class Vector2
{
public:
Type x = static_cast<Type>(0);
Type y = static_cast<Type>(0);
// Constructors
constexpr Vector2() = default;
constexpr Vector2(const Type& x, const Type& y) noexcept: x(x), y(y)
{
}
// Equality operators
[[nodiscard]]
constexpr bool operator==(const Vector2& other) const noexcept
{
return x == other.x && y == other.y;
}
[[nodiscard]]
constexpr bool operator!=(const Vector2& other) const noexcept
{
return !(*this == other);
}
// Compound assignment operators
constexpr Vector2& operator+=(const Vector2& other) noexcept
{
x += other.x;
y += other.y;
return *this;
}
constexpr Vector2& operator-=(const Vector2& other) noexcept
{
x -= other.x;
y -= other.y;
return *this;
}
constexpr Vector2& operator*=(const Vector2& other) noexcept
{
x *= other.x;
y *= other.y;
return *this;
}
constexpr Vector2& operator/=(const Vector2& other) noexcept
{
x /= other.x;
y /= other.y;
return *this;
}
constexpr Vector2& operator*=(const Type& value) noexcept
{
x *= value;
y *= value;
return *this;
}
constexpr Vector2& operator/=(const Type& value) noexcept
{
x /= value;
y /= value;
return *this;
}
constexpr Vector2& operator+=(const Type& value) noexcept
{
x += value;
y += value;
return *this;
}
constexpr Vector2& operator-=(const Type& value) noexcept
{
x -= value;
y -= value;
return *this;
}
// Basic vector operations
[[nodiscard]] Type distance_to(const Vector2& other) const noexcept
{
return std::sqrt(distance_to_sqr(other));
}
[[nodiscard]] constexpr Type distance_to_sqr(const Vector2& other) const noexcept
{
return (x - other.x) * (x - other.x) + (y - other.y) * (y - other.y);
}
[[nodiscard]] constexpr Type dot(const Vector2& other) const noexcept
{
return x * other.x + y * other.y;
}
#ifndef _MSC_VER
[[nodiscard]] constexpr Type length() const noexcept
{
return std::hypot(this->x, this->y);
}
[[nodiscard]] constexpr Vector2 normalized() const noexcept
{
const Type len = length();
return len > 0.f ? *this / len : *this;
}
#else
[[nodiscard]] Type length() const noexcept
{
return std::hypot(x, y);
}
[[nodiscard]] Vector2 normalized() const noexcept
{
const Type len = length();
return len > static_cast<Type>(0) ? *this / len : *this;
}
#endif
[[nodiscard]] constexpr Type length_sqr() const noexcept
{
return x * x + y * y;
}
constexpr Vector2& abs() noexcept
{
// FIXME: Replace with std::abs, if it will become constexprable
x = x < static_cast<Type>(0) ? -x : x;
y = y < static_cast<Type>(0) ? -y : y;
return *this;
}
[[nodiscard]] constexpr Vector2 operator-() const noexcept
{
return {-x, -y};
}
// Binary arithmetic operators
[[nodiscard]] constexpr Vector2 operator+(const Vector2& other) const noexcept
{
return {x + other.x, y + other.y};
}
[[nodiscard]] constexpr Vector2 operator-(const Vector2& other) const noexcept
{
return {x - other.x, y - other.y};
}
[[nodiscard]] constexpr Vector2 operator*(const Type& value) const noexcept
{
return {x * value, y * value};
}
[[nodiscard]] constexpr Vector2 operator/(const Type& value) const noexcept
{
return {x / value, y / value};
}
// Sum of elements
[[nodiscard]] constexpr Type sum() const noexcept
{
return x + y;
}
[[nodiscard]]
bool operator<(const Vector2& other) const noexcept
{
return length() < other.length();
}
[[nodiscard]]
bool operator>(const Vector2& other) const noexcept
{
return length() > other.length();
}
[[nodiscard]]
bool operator<=(const Vector2& other) const noexcept
{
return length() <= other.length();
}
[[nodiscard]]
bool operator>=(const Vector2& other) const noexcept
{
return length() >= other.length();
}
[[nodiscard]]
constexpr std::tuple<Type, Type> as_tuple() const noexcept
{
return std::make_tuple(x, y);
}
#ifdef OMATH_IMGUI_INTEGRATION
[[nodiscard]]
constexpr ImVec2 to_im_vec2() const noexcept
{
return {static_cast<float>(this->x), static_cast<float>(this->y)};
}
[[nodiscard]]
static Vector2 from_im_vec2(const ImVec2& other) noexcept
{
return {static_cast<Type>(other.x), static_cast<Type>(other.y)};
}
#endif
};
} // namespace omath
template<> struct std::hash<omath::Vector2<float>>
{
[[nodiscard]]
std::size_t operator()(const omath::Vector2<float>& vec) const noexcept
{
std::size_t hash = 0;
constexpr std::hash<float> hasher;
hash ^= hasher(vec.x) + 0x9e3779b9 + (hash << 6) + (hash >> 2);
hash ^= hasher(vec.y) + 0x9e3779b9 + (hash << 6) + (hash >> 2);
return hash;
}
};
template<class Type>
struct std::formatter<omath::Vector2<Type>> // NOLINT(*-dcl58-cpp)
{
[[nodiscard]]
static constexpr auto parse(std::format_parse_context& ctx)
{
return ctx.begin();
}
template<class FormatContext>
[[nodiscard]]
static auto format(const omath::Vector2<Type>& vec, FormatContext& ctx)
{
if constexpr (std::is_same_v<typename FormatContext::char_type, char>)
return std::format_to(ctx.out(), "[{}, {}]", vec.x, vec.y);
if constexpr (std::is_same_v<typename FormatContext::char_type, wchar_t>)
return std::format_to(ctx.out(), L"[{}, {}]", vec.x, vec.y);
if constexpr (std::is_same_v<typename FormatContext::char_type, char8_t>)
return std::format_to(ctx.out(), u8"[{}, {}]", vec.x, vec.y);
}
};

312
include/omath/linear_algebra/vector3.hpp Normal file
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//
// Created by vlad on 10/28/23.
//
#pragma once
#include "omath/trigonometry/angle.hpp"
#include "omath/linear_algebra/vector2.hpp"
#include <cstdint>
#include <expected>
#include <functional>
namespace omath
{
enum class Vector3Error
{
IMPOSSIBLE_BETWEEN_ANGLE,
};
template<class Type>
requires std::is_arithmetic_v<Type>
class Vector3 : public Vector2<Type>
{
public:
Type z = static_cast<Type>(0);
constexpr Vector3(const Type& x, const Type& y, const Type& z) noexcept: Vector2<Type>(x, y), z(z)
{
}
constexpr Vector3() noexcept: Vector2<Type>() {};
[[nodiscard]] constexpr bool operator==(const Vector3& other) const noexcept
{
return Vector2<Type>::operator==(other) && (other.z == z);
}
[[nodiscard]] constexpr bool operator!=(const Vector3& other) const noexcept
{
return !(*this == other);
}
constexpr Vector3& operator+=(const Vector3& other) noexcept
{
Vector2<Type>::operator+=(other);
z += other.z;
return *this;
}
constexpr Vector3& operator-=(const Vector3& other) noexcept
{
Vector2<Type>::operator-=(other);
z -= other.z;
return *this;
}
constexpr Vector3& operator*=(const Type& value) noexcept
{
Vector2<Type>::operator*=(value);
z *= value;
return *this;
}
constexpr Vector3& operator*=(const Vector3& other) noexcept
{
Vector2<Type>::operator*=(other);
z *= other.z;
return *this;
}
constexpr Vector3& operator/=(const Vector3& other) noexcept
{
Vector2<Type>::operator/=(other);
z /= other.z;
return *this;
}
constexpr Vector3& operator+=(const Type& value) noexcept
{
Vector2<Type>::operator+=(value);
z += value;
return *this;
}
constexpr Vector3& operator/=(const Type& value) noexcept
{
Vector2<Type>::operator/=(value);
z /= value;
return *this;
}
constexpr Vector3& operator-=(const Type& value) noexcept
{
Vector2<Type>::operator-=(value);
z -= value;
return *this;
}
constexpr Vector3& abs() noexcept
{
Vector2<Type>::abs();
z = z < 0.f ? -z : z;
return *this;
}
[[nodiscard]] constexpr Type distance_to_sqr(const Vector3& other) const noexcept
{
return (*this - other).length_sqr();
}
[[nodiscard]] constexpr Type dot(const Vector3& other) const noexcept
{
return Vector2<Type>::dot(other) + z * other.z;
}
#ifndef _MSC_VER
[[nodiscard]] constexpr Type length() const
{
return std::hypot(this->x, this->y, z);
}
[[nodiscard]] constexpr Type length_2d() const
{
return Vector2<Type>::length();
}
[[nodiscard]] Type distance_to(const Vector3& other) const
{
return (*this - other).length();
}
[[nodiscard]] constexpr Vector3 normalized() const
{
const Type length_value = this->length();
return length_value != 0 ? *this / length_value : *this;
}
#else
[[nodiscard]] Type length() const noexcept
{
return std::hypot(this->x, this->y, z);
}
[[nodiscard]] Vector3 normalized() const noexcept
{
const Type len = this->length();
return len != static_cast<Type>(0) ? *this / len : *this;
}
[[nodiscard]] Type length_2d() const noexcept
{
return Vector2<Type>::length();
}
[[nodiscard]] Type distance_to(const Vector3& v_other) const noexcept
{
return (*this - v_other).length();
}
#endif
[[nodiscard]] constexpr Type length_sqr() const noexcept
{
return Vector2<Type>::length_sqr() + z * z;
}
[[nodiscard]] constexpr Vector3 operator-() const noexcept
{
return {-this->x, -this->y, -z};
}
[[nodiscard]] constexpr Vector3 operator+(const Vector3& other) const noexcept
{
return {this->x + other.x, this->y + other.y, z + other.z};
}
[[nodiscard]] constexpr Vector3 operator-(const Vector3& other) const noexcept
{
return {this->x - other.x, this->y - other.y, z - other.z};
}
[[nodiscard]] constexpr Vector3 operator*(const Type& value) const noexcept
{
return {this->x * value, this->y * value, z * value};
}
[[nodiscard]] constexpr Vector3 operator*(const Vector3& other) const noexcept
{
return {this->x * other.x, this->y * other.y, z * other.z};
}
[[nodiscard]] constexpr Vector3 operator/(const Type& value) const noexcept
{
return {this->x / value, this->y / value, z / value};
}
[[nodiscard]] constexpr Vector3 operator/(const Vector3& other) const noexcept
{
return {this->x / other.x, this->y / other.y, z / other.z};
}
[[nodiscard]] constexpr Vector3 cross(const Vector3& other) const noexcept
{
return {this->y * other.z - z * other.y, z * other.x - this->x * other.z,
this->x * other.y - this->y * other.x};
}
[[nodiscard]] constexpr Type sum() const noexcept
{
return sum_2d() + z;
}
[[nodiscard]] std::expected<Angle<float, 0.f, 180.f, AngleFlags::Clamped>, Vector3Error>
angle_between(const Vector3& other) const noexcept
{
const auto bottom = length() * other.length();
if (bottom == static_cast<Type>(0))
return std::unexpected(Vector3Error::IMPOSSIBLE_BETWEEN_ANGLE);
return Angle<float, 0.f, 180.f, AngleFlags::Clamped>::from_radians(std::acos(dot(other) / bottom));
}
[[nodiscard]] bool is_perpendicular(const Vector3& other) const noexcept
{
if (const auto angle = angle_between(other))
return angle->as_degrees() == static_cast<Type>(90);
return false;
}
[[nodiscard]] constexpr Type sum_2d() const noexcept
{
return Vector2<Type>::sum();
}
[[nodiscard]] constexpr std::tuple<Type, Type, Type> as_tuple() const noexcept
{
return std::make_tuple(this->x, this->y, z);
}
[[nodiscard]]
bool operator<(const Vector3& other) const noexcept
{
return length() < other.length();
}
[[nodiscard]]
bool operator>(const Vector3& other) const noexcept
{
return length() > other.length();
}
[[nodiscard]]
bool operator<=(const Vector3& other) const noexcept
{
return length() <= other.length();
}
[[nodiscard]]
bool operator>=(const Vector3& other) const noexcept
{
return length() >= other.length();
}
};
} // namespace omath
template<> struct std::hash<omath::Vector3<float>>
{
[[nodiscard]]
std::size_t operator()(const omath::Vector3<float>& vec) const noexcept
{
std::size_t hash = 0;
constexpr std::hash<float> hasher;
hash ^= hasher(vec.x) + 0x9e3779b9 + (hash << 6) + (hash >> 2);
hash ^= hasher(vec.y) + 0x9e3779b9 + (hash << 6) + (hash >> 2);
hash ^= hasher(vec.z) + 0x9e3779b9 + (hash << 6) + (hash >> 2);
return hash;
}
};
template<class Type>
struct std::formatter<omath::Vector3<Type>> // NOLINT(*-dcl58-cpp)
{
[[nodiscard]]
static constexpr auto parse(std::format_parse_context& ctx)
{
return ctx.begin();
}
template<class FormatContext>
[[nodiscard]]
static auto format(const omath::Vector3<Type>& vec, FormatContext& ctx)
{
if constexpr (std::is_same_v<typename FormatContext::char_type, char>)
return std::format_to(ctx.out(), "[{}, {}, {}]", vec.x, vec.y, vec.z);
if constexpr (std::is_same_v<typename FormatContext::char_type, wchar_t>)
return std::format_to(ctx.out(), L"[{}, {}, {}]", vec.x, vec.y, vec.z);
if constexpr (std::is_same_v<typename FormatContext::char_type, char8_t>)
return std::format_to(ctx.out(), u8"[{}, {}, {}]", vec.x, vec.y, vec.z);
}
};

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//
// Vector4.h
//
#pragma once
#include <algorithm>
#include "omath/linear_algebra/vector3.hpp"
namespace omath
{
template<class Type>
requires std::is_arithmetic_v<Type>
class Vector4 : public Vector3<Type>
{
public:
Type w;
constexpr Vector4(const Type& x, const Type& y, const Type& z, const Type& w): Vector3<Type>(x, y, z), w(w)
{
}
constexpr Vector4() noexcept: Vector3<Type>(), w(static_cast<Type>(0)) {};
[[nodiscard]]
constexpr bool operator==(const Vector4& other) const noexcept
{
return Vector3<Type>::operator==(other) && w == other.w;
}
[[nodiscard]]
constexpr bool operator!=(const Vector4& other) const noexcept
{
return !(*this == other);
}
constexpr Vector4& operator+=(const Vector4& other) noexcept
{
Vector3<Type>::operator+=(other);
w += other.w;
return *this;
}
constexpr Vector4& operator-=(const Vector4& other) noexcept
{
Vector3<Type>::operator-=(other);
w -= other.w;
return *this;
}
constexpr Vector4& operator*=(const Type& value) noexcept
{
Vector3<Type>::operator*=(value);
w *= value;
return *this;
}
constexpr Vector4& operator*=(const Vector4& other) noexcept
{
Vector3<Type>::operator*=(other);
w *= other.w;
return *this;
}
constexpr Vector4& operator/=(const Type& value) noexcept
{
Vector3<Type>::operator/=(value);
w /= value;
return *this;
}
constexpr Vector4& operator/=(const Vector4& other) noexcept
{
Vector3<Type>::operator/=(other);
w /= other.w;
return *this;
}
[[nodiscard]] constexpr Type length_sqr() const noexcept
{
return Vector3<Type>::length_sqr() + w * w;
}
[[nodiscard]] constexpr Type dot(const Vector4& other) const noexcept
{
return Vector3<Type>::dot(other) + w * other.w;
}
[[nodiscard]] Type length() const noexcept
{
return std::sqrt(length_sqr());
}
constexpr Vector4& abs() noexcept
{
Vector3<Type>::abs();
w = w < 0.f ? -w : w;
return *this;
}
constexpr Vector4& clamp(const Type& min, const Type& max) noexcept
{
this->x = std::clamp(this->x, min, max);
this->y = std::clamp(this->y, min, max);
this->z = std::clamp(this->z, min, max);
return *this;
}
[[nodiscard]]
constexpr Vector4 operator-() const noexcept
{
return {-this->x, -this->y, -this->z, -w};
}
[[nodiscard]]
constexpr Vector4 operator+(const Vector4& other) const noexcept
{
return {this->x + other.x, this->y + other.y, this->z + other.z, w + other.w};
}
[[nodiscard]]
constexpr Vector4 operator-(const Vector4& other) const noexcept
{
return {this->x - other.x, this->y - other.y, this->z - other.z, w - other.w};
}
[[nodiscard]]
constexpr Vector4 operator*(const Type& value) const noexcept
{
return {this->x * value, this->y * value, this->z * value, w * value};
}
[[nodiscard]]
constexpr Vector4 operator*(const Vector4& other) const noexcept
{
return {this->x * other.x, this->y * other.y, this->z * other.z, w * other.w};
}
[[nodiscard]]
constexpr Vector4 operator/(const Type& value) const noexcept
{
return {this->x / value, this->y / value, this->z / value, w / value};
}
[[nodiscard]]
constexpr Vector4 operator/(const Vector4& other) const noexcept
{
return {this->x / other.x, this->y / other.y, this->z / other.z, w / other.w};
}
[[nodiscard]]
constexpr Type sum() const noexcept
{
return Vector3<Type>::sum() + w;
}
[[nodiscard]]
bool operator<(const Vector4& other) const noexcept
{
return length() < other.length();
}
[[nodiscard]]
bool operator>(const Vector4& other) const noexcept
{
return length() > other.length();
}
[[nodiscard]]
bool operator<=(const Vector4& other) const noexcept
{
return length() <= other.length();
}
[[nodiscard]]
bool operator>=(const Vector4& other) const noexcept
{
return length() >= other.length();
}
#ifdef OMATH_IMGUI_INTEGRATION
[[nodiscard]]
constexpr ImVec4 to_im_vec4() const noexcept
{
return {
static_cast<float>(this->x),
static_cast<float>(this->y),
static_cast<float>(this->z),
static_cast<float>(w),
};
}
[[nodiscard]]
static Vector4<float> from_im_vec4(const ImVec4& other) noexcept
{
return {static_cast<Type>(other.x), static_cast<Type>(other.y), static_cast<Type>(other.z)};
}
#endif
};
} // namespace omath
template<> struct std::hash<omath::Vector4<float>>
{
[[nodiscard]]
std::size_t operator()(const omath::Vector4<float>& vec) const noexcept
{
std::size_t hash = 0;
constexpr std::hash<float> hasher;
hash ^= hasher(vec.x) + 0x9e3779b9 + (hash << 6) + (hash >> 2);
hash ^= hasher(vec.y) + 0x9e3779b9 + (hash << 6) + (hash >> 2);
hash ^= hasher(vec.z) + 0x9e3779b9 + (hash << 6) + (hash >> 2);
hash ^= hasher(vec.w) + 0x9e3779b9 + (hash << 6) + (hash >> 2);
return hash;
}
};
template<class Type>
struct std::formatter<omath::Vector4<Type>> // NOLINT(*-dcl58-cpp)
{
[[nodiscard]]
static constexpr auto parse(std::format_parse_context& ctx)
{
return ctx.begin();
}
template<class FormatContext>
[[nodiscard]]
static auto format(const omath::Vector4<Type>& vec, FormatContext& ctx)
{
if constexpr (std::is_same_v<typename FormatContext::char_type, char>)
return std::format_to(ctx.out(), "[{}, {}, {}, {}]", vec.x, vec.y, vec.z, vec.w);
if constexpr (std::is_same_v<typename FormatContext::char_type, wchar_t>)
return std::format_to(ctx.out(), L"[{}, {}, {}, {}]", vec.x, vec.y, vec.z, vec.w);
if constexpr (std::is_same_v<typename FormatContext::char_type, char8_t>)
return std::format_to(ctx.out(), u8"[{}, {}, {}, {}]", vec.x, vec.y, vec.z, vec.w);
}
};

491
include/omath/mat.hpp
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@@ -1,491 +0,0 @@
//
// Created by vlad on 9/29/2024.
//
#pragma once
#include <algorithm>
#include <array>
#include <iomanip>
#include <sstream>
#include <stdexcept>
#include <utility>
#include "omath/vector3.hpp"
#include <numeric>
#ifdef near
#undef near
#endif
#ifdef far
#undef far
#endif
namespace omath
{
struct MatSize
{
size_t rows, columns;
};
enum class MatStoreType : uint8_t
{
ROW_MAJOR = 0,
COLUMN_MAJOR
};
template<typename M1, typename M2>
concept MatTemplateEqual =
(M1::rows == M2::rows) && (M1::columns == M2::columns) &&
std::is_same_v<typename M1::value_type, typename M2::value_type> &&
(M1::store_type == M2::store_type);
template<size_t Rows = 0, size_t Columns = 0, class Type = float, MatStoreType StoreType = MatStoreType::ROW_MAJOR>
requires std::is_arithmetic_v<Type>
class Mat final
{
public:
constexpr Mat() noexcept
{
Clear();
}
[[nodiscard]]
constexpr static MatStoreType GetStoreOrdering() noexcept
{
return StoreType;
}
constexpr Mat(const std::initializer_list<std::initializer_list<Type>>& rows)
{
if (rows.size() != Rows)
throw std::invalid_argument("Initializer list rows size does not match template parameter Rows");
auto rowIt = rows.begin();
for (size_t i = 0; i < Rows; ++i, ++rowIt)
{
if (rowIt->size() != Columns)
throw std::invalid_argument(
"All rows must have the same number of columns as template parameter Columns");
auto colIt = rowIt->begin();
for (size_t j = 0; j < Columns; ++j, ++colIt)
{
At(i, j) = std::move(*colIt);
}
}
}
constexpr explicit Mat(const Type* rawData)
{
std::copy_n(rawData, Rows * Columns, m_data.begin());
}
constexpr Mat(const Mat& other) noexcept
{
m_data = other.m_data;
}
[[nodiscard]]
constexpr Type& operator[](const size_t row, const size_t col)
{
return At(row, col);
}
[[nodiscard]]
constexpr Type& operator[](const size_t row, const size_t col) const
{
return At(row, col);
}
constexpr Mat(Mat&& other) noexcept
{
m_data = std::move(other.m_data);
}
[[nodiscard]]
static constexpr size_t RowCount() noexcept
{
return Rows;
}
[[nodiscard]]
static constexpr size_t ColumnsCount() noexcept
{
return Columns;
}
[[nodiscard]]
static consteval MatSize Size() noexcept
{
return {Rows, Columns};
}
[[nodiscard]]
constexpr const Type& At(const size_t rowIndex, const size_t columnIndex) const
{
#if !defined(NDEBUG) && defined(OMATH_SUPRESS_SAFETY_CHECKS)
if (rowIndex >= Rows || columnIndex >= Columns)
throw std::out_of_range("Index out of range");
#endif
if constexpr (StoreType == MatStoreType::ROW_MAJOR)
return m_data[rowIndex * Columns + columnIndex];
else if constexpr (StoreType == MatStoreType::COLUMN_MAJOR)
return m_data[rowIndex + columnIndex * Rows];
else
{
static_assert(false, "Invalid matrix access convention");
std::unreachable();
}
}
[[nodiscard]] constexpr Type& At(const size_t rowIndex, const size_t columnIndex)
{
return const_cast<Type&>(std::as_const(*this).At(rowIndex, columnIndex));
}
[[nodiscard]]
constexpr Type Sum() const noexcept
{
return std::accumulate(m_data.begin(), m_data.end(), Type(0));
}
constexpr void Clear() noexcept
{
Set(0);
}
constexpr void Set(const Type& value) noexcept
{
std::ranges::fill(m_data, value);
}
// Operator overloading for multiplication with another Mat
template<size_t OtherColumns>
[[nodiscard]]
constexpr Mat<Rows, OtherColumns, Type, StoreType>
operator*(const Mat<Columns, OtherColumns, Type, StoreType>& other) const
{
Mat<Rows, OtherColumns, Type, StoreType> result;
for (size_t i = 0; i < Rows; ++i)
for (size_t j = 0; j < OtherColumns; ++j)
{
Type sum = 0;
for (size_t k = 0; k < Columns; ++k)
sum += At(i, k) * other.At(k, j);
result.At(i, j) = sum;
}
return result;
}
constexpr Mat& operator*=(const Type& f) noexcept
{
std::ranges::for_each(m_data, [&f](auto& val) {val *= f;});
return *this;
}
template<size_t OtherColumns>
constexpr Mat<Rows, OtherColumns, Type, StoreType>
operator*=(const Mat<Columns, OtherColumns, Type, StoreType>& other)
{
return *this = *this * other;
}
[[nodiscard]]
constexpr Mat operator*(const Type& value) const noexcept
{
Mat result(*this);
result *= value;
return result;
}
constexpr Mat& operator/=(const Type& value) noexcept
{
std::ranges::for_each(m_data, [&value](auto& val) {val /= value;});
return *this;
}
[[nodiscard]]
constexpr Mat operator/(const Type& value) const noexcept
{
Mat result(*this);
result /= value;
return result;
}
constexpr Mat& operator=(const Mat& other) noexcept
{
if (this != &other)
m_data = other.m_data;
return *this;
}
constexpr Mat& operator=(Mat&& other) noexcept
{
if (this != &other)
m_data = std::move(other.m_data);
return *this;
}
[[nodiscard]]
constexpr Mat<Columns, Rows, Type, StoreType> Transposed() const noexcept
{
Mat<Columns, Rows, Type, StoreType> transposed;
for (size_t i = 0; i < Rows; ++i)
for (size_t j = 0; j < Columns; ++j)
transposed.At(j, i) = At(i, j);
return transposed;
}
[[nodiscard]]
constexpr Type Determinant() const
{
static_assert(Rows == Columns, "Determinant is only defined for square matrices.");
if constexpr (Rows == 1)
return At(0, 0);
if constexpr (Rows == 2)
return At(0, 0) * At(1, 1) - At(0, 1) * At(1, 0);
if constexpr (Rows > 2)
{
Type det = 0;
for (size_t column = 0; column < Columns; ++column)
{
const Type cofactor = At(0, column) * AlgComplement(0, column);
det += cofactor;
}
return det;
}
std::unreachable();
}
[[nodiscard]]
constexpr Mat<Rows - 1, Columns - 1, Type, StoreType> Strip(const size_t row, const size_t column) const
{
static_assert(Rows-1 > 0 && Columns-1 > 0);
Mat<Rows - 1, Columns - 1, Type, StoreType> result;
for (size_t i = 0, m = 0; i < Rows; ++i)
{
if (i == row)
continue;
for (size_t j = 0, n = 0; j < Columns; ++j)
{
if (j == column)
continue;
result.At(m, n) = At(i, j);
++n;
}
++m;
}
return result;
}
[[nodiscard]]
constexpr Type Minor(const size_t row, const size_t column) const
{
return Strip(row, column).Determinant();
}
[[nodiscard]]
constexpr Type AlgComplement(const size_t row, const size_t column) const
{
const auto minor = Minor(row, column);
return (row + column + 2) % 2 == 0 ? minor: -minor;
}
[[nodiscard]]
constexpr const std::array<Type, Rows * Columns>& RawArray() const
{
return m_data;
}
[[nodiscard]]
constexpr std::array<Type, Rows * Columns>& RawArray()
{
return m_data;
}
[[nodiscard]]
std::string ToString() const noexcept
{
std::ostringstream oss;
oss << "[[";
for (size_t i = 0; i < Rows; ++i)
{
if (i > 0)
oss << " [";
for (size_t j = 0; j < Columns; ++j)
{
oss << std::setw(9) << std::fixed << std::setprecision(3) << At(i, j);
if (j != Columns - 1)
oss << ", ";
}
oss << (i == Rows - 1 ? "]]" : "]\n");
}
return oss.str();
}
[[nodiscard]]
bool operator==(const Mat& mat) const
{
return m_data == mat.m_data;
}
[[nodiscard]]
bool operator!=(const Mat& mat) const
{
return !operator==(mat);
}
// Static methods that return fixed-size matrices
[[nodiscard]]
constexpr static Mat<4, 4> ToScreenMat(const Type& screenWidth, const Type& screenHeight) noexcept
{
return {
{screenWidth / 2, 0, 0, 0},
{0, -screenHeight / 2, 0, 0},
{0, 0, 1, 0},
{screenWidth / 2, screenHeight / 2, 0, 1},
};
}
[[nodiscard]]
constexpr std::optional<Mat> Inverted() const
{
const auto det = Determinant();
if (det == 0)
return std::nullopt;
const auto transposed = Transposed();
Mat result;
for (std::size_t row = 0; row < Rows; row++)
for (std::size_t column = 0; column < Rows; column++)
result.At(row, column) = transposed.AlgComplement(row, column);
result /= det;
return {result};
}
private:
std::array<Type, Rows * Columns> m_data;
};
template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR>
[[nodiscard]]
constexpr static Mat<1, 4, Type, St> MatRowFromVector(const Vector3<Type>& vector) noexcept
{
return {{vector.x, vector.y, vector.z, 1}};
}
template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR>
[[nodiscard]]
constexpr static Mat<4, 1, Type, St> MatColumnFromVector(const Vector3<Type>& vector) noexcept
{
return {{vector.x}, {vector.y}, {vector.z}, {1}};
}
template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR>
[[nodiscard]]
constexpr Mat<4, 4, Type, St> MatTranslation(const Vector3<Type>& diff) noexcept
{
return
{
{1, 0, 0, diff.x},
{0, 1, 0, diff.y},
{0, 0, 1, diff.z},
{0, 0, 0, 1},
};
}
template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR, class Angle>
[[nodiscard]]
Mat<4, 4, Type, St> MatRotationAxisX(const Angle& angle) noexcept
{
return
{
{1, 0, 0, 0},
{0, angle.Cos(), -angle.Sin(), 0},
{0, angle.Sin(), angle.Cos(), 0},
{0, 0, 0, 1}
};
}
template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR, class Angle>
[[nodiscard]]
Mat<4, 4, Type, St> MatRotationAxisY(const Angle& angle) noexcept
{
return
{
{angle.Cos(), 0, angle.Sin(), 0},
{0 , 1, 0, 0},
{-angle.Sin(), 0, angle.Cos(), 0},
{0 , 0, 0, 1}
};
}
template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR, class Angle>
[[nodiscard]]
Mat<4, 4, Type, St> MatRotationAxisZ(const Angle& angle) noexcept
{
return
{
{angle.Cos(), -angle.Sin(), 0, 0},
{angle.Sin(), angle.Cos(), 0, 0},
{ 0, 0, 1, 0},
{ 0, 0, 0, 1},
};
}
template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR>
[[nodiscard]]
static Mat<4, 4, Type, St> MatCameraView(const Vector3<Type>& forward, const Vector3<Type>& right,
const Vector3<Type>& up, const Vector3<Type>& cameraOrigin) noexcept
{
return Mat<4, 4, Type, St>
{
{right.x, right.y, right.z, 0},
{up.x, up.y, up.z, 0},
{forward.x, forward.y, forward.z, 0},
{0, 0, 0, 1},
} * MatTranslation<Type, St>(-cameraOrigin);
}
template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR>
[[nodiscard]]
Mat<4, 4, Type, St> MatPerspectiveLeftHanded(const float fieldOfView, const float aspectRatio, const float near,
const float far) noexcept
{
const float fovHalfTan = std::tan(angles::DegreesToRadians(fieldOfView) / 2.f);
return {{1.f / (aspectRatio * fovHalfTan), 0.f, 0.f, 0.f},
{0.f, 1.f / fovHalfTan, 0.f, 0.f},
{0.f, 0.f, (far + near) / (far - near), -(2.f * near * far) / (far - near)},
{0.f, 0.f, 1.f, 0.f}};
}
template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR>
[[nodiscard]]
Mat<4, 4, Type, St> MatPerspectiveRightHanded(const float fieldOfView, const float aspectRatio, const float near,
const float far) noexcept
{
const float fovHalfTan = std::tan(angles::DegreesToRadians(fieldOfView) / 2.f);
return {{1.f / (aspectRatio * fovHalfTan), 0.f, 0.f, 0.f},
{0.f, 1.f / fovHalfTan, 0.f, 0.f},
{0.f, 0.f, -(far + near) / (far - near), -(2.f * near * far) / (far - near)},
{0.f, 0.f, -1.f, 0.f}};
}
} // namespace omath

108
include/omath/matrix.hpp
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@@ -1,108 +0,0 @@
#pragma once
#include <initializer_list>
#include <memory>
#include <string>
#include "omath/vector3.hpp"
namespace omath
{
class Matrix final
{
public:
Matrix();
Matrix(size_t rows, size_t columns);
Matrix(const std::initializer_list<std::initializer_list<float>>& rows);
[[nodiscard]]
static Matrix ToScreenMatrix(float screenWidth, float screenHeight);
[[nodiscard]]
static Matrix TranslationMatrix(const Vector3<float>& diff);
[[nodiscard]]
static Matrix OrientationMatrix(const Vector3<float>& forward, const Vector3<float>& right, const Vector3<float>& up);
[[nodiscard]]
static Matrix ProjectionMatrix(float fieldOfView, float aspectRatio, float near, float far);
Matrix(const Matrix& other);
Matrix(size_t rows, size_t columns, const float* pRaw);
Matrix(Matrix&& other) noexcept;
[[nodiscard]]
size_t RowCount() const noexcept;
[[nodiscard]]
float& operator[](size_t row, size_t column);
[[nodiscard]]
size_t ColumnsCount() const noexcept;
[[nodiscard]]
std::pair<size_t, size_t> Size() const noexcept;
[[nodiscard]]
float& At(size_t iRow, size_t iCol);
[[nodiscard]]
float Sum();
void SetDataFromRaw(const float* pRawMatrix);
[[nodiscard]]
Matrix Transpose() const;
void Set(float val);
[[nodiscard]]
const float& At(size_t iRow, size_t iCol) const;
Matrix operator*(const Matrix& other) const;
Matrix& operator*=(const Matrix& other);
Matrix operator*(float f) const;
Matrix& operator*=(float f);
Matrix& operator/=(float f);
void Clear();
[[nodiscard]]
Matrix Strip(size_t row, size_t column) const;
[[nodiscard]]
float Minor(size_t i, size_t j) const;
[[nodiscard]]
float AlgComplement(size_t i, size_t j) const;
[[nodiscard]]
float Determinant() const;
[[nodiscard]]
const float* Raw() const;
Matrix& operator=(const Matrix& other);
Matrix& operator=(Matrix&& other) noexcept;
Matrix operator/(float f) const;
[[nodiscard]]
std::string ToString() const;
~Matrix();
private:
size_t m_rows;
size_t m_columns;
std::unique_ptr<float[]> m_data;
};
} // namespace omath

100
include/omath/omath.hpp Normal file
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@@ -0,0 +1,100 @@
//
// omath.hpp - Main header file that includes all omath library components
// Created for the omath library
//
#pragma once
// Basic math utilities
#include "omath/trigonometry/angles.hpp"
#include "omath/trigonometry/angle.hpp"
// Vector classes (in dependency order)
#include "omath/linear_algebra/vector2.hpp"
#include "omath/linear_algebra/vector4.hpp"
#include "omath/linear_algebra/vector3.hpp"
// Matrix classes
#include "omath/linear_algebra/mat.hpp"
// Color functionality
#include "omath/utility/color.hpp"
// Geometric primitives
#include "omath/linear_algebra/triangle.hpp"
#include "omath/trigonometry/view_angles.hpp"
// 3D primitives
#include "omath/3d_primitives/box.hpp"
#include "omath/3d_primitives/plane.hpp"
// Collision detection
#include "omath/collision/line_tracer.hpp"
// Pathfinding algorithms
#include "omath/pathfinding/a_star.hpp"
#include "omath/pathfinding/navigation_mesh.hpp"
// Projectile prediction
#include "omath/projectile_prediction/projectile.hpp"
#include "omath/projectile_prediction/target.hpp"
#include "omath/projectile_prediction/proj_pred_engine.hpp"
#include "omath/projectile_prediction/proj_pred_engine_legacy.hpp"
#include "omath/projectile_prediction/proj_pred_engine_avx2.hpp"
// Projection functionality
#include "omath/projection/error_codes.hpp"
#include "omath/projection/camera.hpp"
// Engine-specific implementations
// IW Engine
#include "omath/engines/iw_engine/constants.hpp"
#include "omath/engines/iw_engine/formulas.hpp"
#include "omath/engines/iw_engine/camera.hpp"
#include "omath/engines/iw_engine/traits/camera_trait.hpp"
#include "omath/engines/iw_engine/traits/pred_engine_trait.hpp"
// OpenGL Engine
#include "omath/engines/opengl_engine/constants.hpp"
#include "omath/engines/opengl_engine/formulas.hpp"
#include "omath/engines/opengl_engine/camera.hpp"
#include "omath/engines/opengl_engine/traits/camera_trait.hpp"
#include "omath/engines/opengl_engine/traits/pred_engine_trait.hpp"
// Source Engine
#include "omath/engines/source_engine/constants.hpp"
#include "omath/engines/source_engine/formulas.hpp"
#include "omath/engines/source_engine/camera.hpp"
#include "omath/engines/source_engine/traits/camera_trait.hpp"
#include "omath/engines/source_engine/traits/pred_engine_trait.hpp"
// Unity Engine
#include "omath/engines/unity_engine/constants.hpp"
#include "omath/engines/unity_engine/formulas.hpp"
#include "omath/engines/unity_engine/camera.hpp"
#include "omath/engines/unity_engine/traits/camera_trait.hpp"
#include "omath/engines/unity_engine/traits/pred_engine_trait.hpp"
//Frostbite Engine
#include "omath/engines/frostbite_engine/constants.hpp"
#include "omath/engines/frostbite_engine/formulas.hpp"
#include "omath/engines/frostbite_engine/camera.hpp"
#include "omath/engines/frostbite_engine/traits/camera_trait.hpp"
#include "omath/engines/frostbite_engine/traits/pred_engine_trait.hpp"
// Unreal Engine
#include "omath/engines/unreal_engine/constants.hpp"
#include "omath/engines/unreal_engine/formulas.hpp"
#include "omath/engines/unreal_engine/camera.hpp"
#include "omath/engines/unreal_engine/traits/camera_trait.hpp"
#include "omath/engines/unreal_engine/traits/pred_engine_trait.hpp"
// Reverse Engineering
#include "omath/rev_eng/external_rev_object.hpp"
#include "omath/rev_eng/internal_rev_object.hpp"
// Utility
#include "omath/utility/pattern_scan.hpp"
#include "omath/utility/pe_pattern_scan.hpp"

16
include/omath/pathfinding/a_star.hpp
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@@ -3,9 +3,9 @@
// //
#pragma once #pragma once
#include <vector> #include "omath/linear_algebra/vector3.hpp"
#include "omath/pathfinding/navigation_mesh.hpp" #include "omath/pathfinding/navigation_mesh.hpp"
#include "omath/vector3.hpp" #include <vector>
namespace omath::pathfinding namespace omath::pathfinding
{ {
@@ -14,17 +14,17 @@ namespace omath::pathfinding
{ {
public: public:
[[nodiscard]] [[nodiscard]]
static std::vector<Vector3<float>> FindPath(const Vector3<float>& start, const Vector3<float>& end, static std::vector<Vector3<float>> find_path(const Vector3<float>& start, const Vector3<float>& end,
const NavigationMesh& navMesh); const NavigationMesh& nav_mesh) noexcept;
private: private:
[[nodiscard]] [[nodiscard]]
static std::vector<Vector3<float>> static std::vector<Vector3<float>>
ReconstructFinalPath(const std::unordered_map<Vector3<float>, PathNode>& closedList, reconstruct_final_path(const std::unordered_map<Vector3<float>, PathNode>& closed_list,
const Vector3<float>& current); const Vector3<float>& current) noexcept;
[[nodiscard]] [[nodiscard]]
static auto GetPerfectNode(const std::unordered_map<Vector3<float>, PathNode>& openList, static auto get_perfect_node(const std::unordered_map<Vector3<float>, PathNode>& open_list,
const Vector3<float>& endVertex); const Vector3<float>& end_vertex) noexcept;
}; };
} // namespace omath::pathfinding } // namespace omath::pathfinding

15
include/omath/pathfinding/navigation_mesh.hpp
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@@ -4,35 +4,34 @@
#pragma once #pragma once
#include "omath/linear_algebra/vector3.hpp"
#include <expected> #include <expected>
#include <string> #include <string>
#include <vector> #include <vector>
#include "omath/vector3.hpp"
namespace omath::pathfinding namespace omath::pathfinding
{ {
enum Error enum Error
{ {
}; };
class NavigationMesh final class NavigationMesh final
{ {
public: public:
[[nodiscard]] [[nodiscard]]
std::expected<Vector3<float>, std::string> GetClosestVertex(const Vector3<float>& point) const; std::expected<Vector3<float>, std::string> get_closest_vertex(const Vector3<float>& point) const noexcept;
[[nodiscard]] [[nodiscard]]
const std::vector<Vector3<float>>& GetNeighbors(const Vector3<float>& vertex) const; const std::vector<Vector3<float>>& get_neighbors(const Vector3<float>& vertex) const noexcept;
[[nodiscard]] [[nodiscard]]
bool Empty() const; bool empty() const;
[[nodiscard]] std::vector<uint8_t> Serialize() const; [[nodiscard]] std::vector<uint8_t> serialize() const noexcept;
void Deserialize(const std::vector<uint8_t>& raw); void deserialize(const std::vector<uint8_t>& raw) noexcept;
std::unordered_map<Vector3<float>, std::vector<Vector3<float>>> m_verTextMap; std::unordered_map<Vector3<float>, std::vector<Vector3<float>>> m_vertex_map;
}; };
} // namespace omath::pathfinding } // namespace omath::pathfinding

11
include/omath/projectile_prediction/proj_pred_engine.hpp
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@@ -2,19 +2,18 @@
// Created by Vlad on 2/23/2025. // Created by Vlad on 2/23/2025.
// //
#pragma once #pragma once
#include "omath/linear_algebra/vector3.hpp"
#include "omath/projectile_prediction/projectile.hpp" #include "omath/projectile_prediction/projectile.hpp"
#include "omath/projectile_prediction/target.hpp" #include "omath/projectile_prediction/target.hpp"
#include "omath/vector3.hpp"
namespace omath::projectile_prediction namespace omath::projectile_prediction
{ {
class ProjPredEngine class ProjPredEngineInterface
{ {
public: public:
[[nodiscard]] [[nodiscard]]
virtual std::optional<Vector3<float>> MaybeCalculateAimPoint(const Projectile& projectile, virtual std::optional<Vector3<float>> maybe_calculate_aim_point(const Projectile& projectile,
const Target& target) const = 0; const Target& target) const = 0;
virtual ~ProjPredEngine() = default; virtual ~ProjPredEngineInterface() = default;
}; };
} // namespace omath::projectile_prediction } // namespace omath::projectile_prediction

24
include/omath/projectile_prediction/proj_pred_engine_avx2.hpp
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@@ -6,21 +6,23 @@
namespace omath::projectile_prediction namespace omath::projectile_prediction
{ {
class ProjPredEngineAVX2 final : public ProjPredEngine class ProjPredEngineAvx2 final : public ProjPredEngineInterface
{ {
public: public:
[[nodiscard]] std::optional<Vector3<float>> MaybeCalculateAimPoint(const Projectile& projectile, [[nodiscard]] std::optional<Vector3<float>>
const Target& target) const override; maybe_calculate_aim_point(const Projectile& projectile, const Target& target) const override;
ProjPredEngineAvx2(float gravity_constant, float simulation_time_step, float maximum_simulation_time);
ProjPredEngineAVX2(float gravityConstant, float simulationTimeStep, float maximumSimulationTime); ~ProjPredEngineAvx2() override = default;
~ProjPredEngineAVX2() override = default;
private: private:
[[nodiscard]] static std::optional<float> CalculatePitch(const Vector3<float>& projOrigin, const Vector3<float>& targetPos, [[nodiscard]] static std::optional<float> calculate_pitch(const Vector3<float>& proj_origin,
float bulletGravity, float v0, float time); const Vector3<float>& target_pos,
const float m_gravityConstant; float bullet_gravity, float v0, float time) ;
const float m_simulationTimeStep;
const float m_maximumSimulationTime; // We use [[maybe_unused]] here since AVX2 is not available for ARM and ARM64 CPU
[[maybe_unused]] const float m_gravity_constant;
[[maybe_unused]] const float m_simulation_time_step;
[[maybe_unused]] const float m_maximum_simulation_time;
}; };
} // namespace omath::projectile_prediction } // namespace omath::projectile_prediction

127
include/omath/projectile_prediction/proj_pred_engine_legacy.hpp
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@@ -4,38 +4,133 @@
#pragma once #pragma once
#include <optional> #include "omath/engines/source_engine/traits/pred_engine_trait.hpp"
#include "omath/linear_algebra/vector3.hpp"
#include "omath/projectile_prediction/proj_pred_engine.hpp" #include "omath/projectile_prediction/proj_pred_engine.hpp"
#include "omath/projectile_prediction/projectile.hpp" #include "omath/projectile_prediction/projectile.hpp"
#include "omath/projectile_prediction/target.hpp" #include "omath/projectile_prediction/target.hpp"
#include "omath/vector3.hpp" #include <optional>
namespace omath::projectile_prediction namespace omath::projectile_prediction
{ {
class ProjPredEngineLegacy final : public ProjPredEngine template<class T>
concept PredEngineConcept =
requires(const Projectile& projectile, const Target& target, const Vector3<float>& vec_a,
const Vector3<float>& vec_b,
Vector3<float> v3, // by-value for calc_viewpoint_from_angles
float pitch, float yaw, float time, float gravity, std::optional<float> maybe_pitch) {
// Presence + return types
{
T::predict_projectile_position(projectile, pitch, yaw, time, gravity)
} -> std::same_as<Vector3<float>>;
{ T::predict_target_position(target, time, gravity) } -> std::same_as<Vector3<float>>;
{ T::calc_vector_2d_distance(vec_a) } -> std::same_as<float>;
{ T::get_vector_height_coordinate(vec_b) } -> std::same_as<float>;
{ T::calc_viewpoint_from_angles(projectile, v3, maybe_pitch) } -> std::same_as<Vector3<float>>;
{ T::calc_direct_pitch_angle(vec_a, vec_b) } -> std::same_as<float>;
{ T::calc_direct_yaw_angle(vec_a, vec_b) } -> std::same_as<float>;
// Enforce noexcept as in PredEngineTrait
requires noexcept(T::predict_projectile_position(projectile, pitch, yaw, time, gravity));
requires noexcept(T::predict_target_position(target, time, gravity));
requires noexcept(T::calc_vector_2d_distance(vec_a));
requires noexcept(T::get_vector_height_coordinate(vec_b));
requires noexcept(T::calc_viewpoint_from_angles(projectile, v3, maybe_pitch));
requires noexcept(T::calc_direct_pitch_angle(vec_a, vec_b));
requires noexcept(T::calc_direct_yaw_angle(vec_a, vec_b));
};
template<class EngineTrait = source_engine::PredEngineTrait>
requires PredEngineConcept<EngineTrait>
class ProjPredEngineLegacy final : public ProjPredEngineInterface
{ {
public: public:
explicit ProjPredEngineLegacy(float gravityConstant, float simulationTimeStep, float maximumSimulationTime, explicit ProjPredEngineLegacy(const float gravity_constant, const float simulation_time_step,
float distanceTolerance); const float maximum_simulation_time, const float distance_tolerance)
: m_gravity_constant(gravity_constant), m_simulation_time_step(simulation_time_step),
m_maximum_simulation_time(maximum_simulation_time), m_distance_tolerance(distance_tolerance)
{
}
[[nodiscard]] [[nodiscard]]
std::optional<Vector3<float>> MaybeCalculateAimPoint(const Projectile& projectile, std::optional<Vector3<float>> maybe_calculate_aim_point(const Projectile& projectile,
const Target& target) const override; const Target& target) const override
{
for (float time = 0.f; time < m_maximum_simulation_time; time += m_simulation_time_step)
{
const auto predicted_target_position =
EngineTrait::predict_target_position(target, time, m_gravity_constant);
const auto projectile_pitch =
maybe_calculate_projectile_launch_pitch_angle(projectile, predicted_target_position);
if (!projectile_pitch.has_value()) [[unlikely]]
continue;
if (!is_projectile_reached_target(predicted_target_position, projectile, projectile_pitch.value(),
time))
continue;
return EngineTrait::calc_viewpoint_from_angles(projectile, predicted_target_position, projectile_pitch);
}
return std::nullopt;
}
private: private:
const float m_gravityConstant; const float m_gravity_constant;
const float m_simulationTimeStep; const float m_simulation_time_step;
const float m_maximumSimulationTime; const float m_maximum_simulation_time;
const float m_distanceTolerance; const float m_distance_tolerance;
// Realization of this formula:
// https://stackoverflow.com/questions/54917375/how-to-calculate-the-angle-to-shoot-a-bullet-in-order-to-hit-a-moving-target
/*
\[
\theta \;=\; \arctan\!\Biggl(
\frac{%
v^{2}\;\pm\;\sqrt{\,v^{4}-g\!\left(gx^{2}+2yv^{2}\right)\,}
}{%
gx
}\Biggr)
\]
*/
[[nodiscard]] [[nodiscard]]
std::optional<float> MaybeCalculateProjectileLaunchPitchAngle(const Projectile& projectile, std::optional<float>
const Vector3<float>& targetPosition) const; maybe_calculate_projectile_launch_pitch_angle(const Projectile& projectile,
const Vector3<float>& target_position) const noexcept
{
const auto bullet_gravity = m_gravity_constant * projectile.m_gravity_scale;
if (bullet_gravity == 0.f)
return EngineTrait::calc_direct_pitch_angle(projectile.m_origin, target_position);
const auto delta = target_position - projectile.m_origin;
const auto distance2d = EngineTrait::calc_vector_2d_distance(delta);
const auto distance2d_sqr = distance2d * distance2d;
const auto launch_speed_sqr = projectile.m_launch_speed * projectile.m_launch_speed;
float root = launch_speed_sqr * launch_speed_sqr
- bullet_gravity
* (bullet_gravity * distance2d_sqr
+ 2.0f * EngineTrait::get_vector_height_coordinate(delta) * launch_speed_sqr);
if (root < 0.0f) [[unlikely]]
return std::nullopt;
root = std::sqrt(root);
const float angle = std::atan((launch_speed_sqr - root) / (bullet_gravity * distance2d));
return angles::radians_to_degrees(angle);
}
[[nodiscard]] [[nodiscard]]
bool IsProjectileReachedTarget(const Vector3<float>& targetPosition, const Projectile& projectile, float pitch, bool is_projectile_reached_target(const Vector3<float>& target_position, const Projectile& projectile,
float time) const; const float pitch, const float time) const noexcept
{
const auto yaw = EngineTrait::calc_direct_yaw_angle(projectile.m_origin, target_position);
const auto projectile_position =
EngineTrait::predict_projectile_position(projectile, pitch, yaw, time, m_gravity_constant);
return projectile_position.distance_to(target_position) <= m_distance_tolerance;
}
}; };
} // namespace omath::projectile_prediction } // namespace omath::projectile_prediction

12
include/omath/projectile_prediction/projectile.hpp
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@@ -3,19 +3,15 @@
// //
#pragma once #pragma once
#include "omath/vector3.hpp" #include "omath/linear_algebra/vector3.hpp"
namespace omath::projectile_prediction namespace omath::projectile_prediction
{ {
class Projectile final class Projectile final
{ {
public: public:
[[nodiscard]]
Vector3<float> PredictPosition(float pitch, float yaw, float time, float gravity) const;
Vector3<float> m_origin; Vector3<float> m_origin;
float m_launchSpeed{}; float m_launch_speed{};
float m_gravityScale{}; float m_gravity_scale{};
}; };
} } // namespace omath::projectile_prediction

18
include/omath/projectile_prediction/target.hpp
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@@ -3,27 +3,15 @@
// //
#pragma once #pragma once
#include "omath/vector3.hpp" #include "omath/linear_algebra/vector3.hpp"
namespace omath::projectile_prediction namespace omath::projectile_prediction
{ {
class Target final class Target final
{ {
public: public:
[[nodiscard]]
constexpr Vector3<float> PredictPosition(const float time, const float gravity) const
{
auto predicted = m_origin + m_velocity * time;
if (m_isAirborne)
predicted.z -= gravity * std::pow(time, 2.f) * 0.5f;
return predicted;
}
Vector3<float> m_origin; Vector3<float> m_origin;
Vector3<float> m_velocity; Vector3<float> m_velocity;
bool m_isAirborne{}; bool m_is_airborne{};
}; };
} } // namespace omath::projectile_prediction

276
include/omath/projection/camera.hpp
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@@ -4,12 +4,17 @@
#pragma once #pragma once
#include <expected> #include "omath/linear_algebra/mat.hpp"
#include <omath/angle.hpp> #include "omath/linear_algebra/vector3.hpp"
#include <omath/mat.hpp>
#include <omath/vector3.hpp>
#include <type_traits>
#include "omath/projection/error_codes.hpp" #include "omath/projection/error_codes.hpp"
#include <omath/trigonometry/angle.hpp>
#include <expected>
#include <type_traits>
#ifdef OMATH_BUILD_TESTS
// ReSharper disable once CppInconsistentNaming
class UnitTestProjection_Projection_Test;
#endif
namespace omath::projection namespace omath::projection
{ {
@@ -19,163 +24,272 @@ namespace omath::projection
float m_width; float m_width;
float m_height; float m_height;
[[nodiscard]] constexpr float AspectRatio() const [[nodiscard]] constexpr float aspect_ratio() const
{ {
return m_width / m_height; return m_width / m_height;
} }
}; };
using FieldOfView = Angle<float, 0.f, 180.f, AngleFlags::Clamped>; using FieldOfView = Angle<float, 0.f, 180.f, AngleFlags::Clamped>;
template<class Mat4x4Type, class ViewAnglesType> template<class T, class MatType, class ViewAnglesType>
class Camera concept CameraEngineConcept =
requires(const Vector3<float>& cam_origin, const Vector3<float>& look_at, const ViewAnglesType& angles,
const FieldOfView& fov, const ViewPort& viewport, float znear, float zfar) {
// Presence + return types
{ T::calc_look_at_angle(cam_origin, look_at) } -> std::same_as<ViewAnglesType>;
{ T::calc_view_matrix(angles, cam_origin) } -> std::same_as<MatType>;
{ T::calc_projection_matrix(fov, viewport, znear, zfar) } -> std::same_as<MatType>;
// Enforce noexcept as in the trait declaration
requires noexcept(T::calc_look_at_angle(cam_origin, look_at));
requires noexcept(T::calc_view_matrix(angles, cam_origin));
requires noexcept(T::calc_projection_matrix(fov, viewport, znear, zfar));
};
template<class Mat4X4Type, class ViewAnglesType, class TraitClass>
requires CameraEngineConcept<TraitClass, Mat4X4Type, ViewAnglesType>
class Camera final
{ {
#ifdef OMATH_BUILD_TESTS
friend UnitTestProjection_Projection_Test;
#endif
public: public:
virtual ~Camera() = default; enum class ScreenStart
Camera(const Vector3<float>& position, const ViewAnglesType& viewAngles, const ViewPort& viewPort,
const FieldOfView& fov, const float near, const float far) :
m_viewPort(viewPort), m_fieldOfView(fov), m_farPlaneDistance(far), m_nearPlaneDistance(near),
m_viewAngles(viewAngles), m_origin(position)
{ {
TOP_LEFT_CORNER,
BOTTOM_LEFT_CORNER,
};
~Camera() = default;
Camera(const Vector3<float>& position, const ViewAnglesType& view_angles, const ViewPort& view_port,
const FieldOfView& fov, const float near, const float far) noexcept
: m_view_port(view_port), m_field_of_view(fov), m_far_plane_distance(far), m_near_plane_distance(near),
m_view_angles(view_angles), m_origin(position)
{
}
void look_at(const Vector3<float>& target)
{
m_view_angles = TraitClass::calc_look_at_angle(m_origin, target);
m_view_projection_matrix = std::nullopt;
} }
protected: protected:
virtual void LookAt(const Vector3<float>& target) = 0; [[nodiscard]] Mat4X4Type calc_view_projection_matrix() const noexcept
[[nodiscard]] virtual Mat4x4Type CalcViewMatrix() const = 0;
[[nodiscard]] virtual Mat4x4Type CalcProjectionMatrix() const = 0;
[[nodiscard]] Mat4x4Type CalcViewProjectionMatrix() const
{ {
return CalcProjectionMatrix() * CalcViewMatrix(); return TraitClass::calc_projection_matrix(m_field_of_view, m_view_port, m_near_plane_distance,
m_far_plane_distance)
* TraitClass::calc_view_matrix(m_view_angles, m_origin);
} }
public: public:
[[nodiscard]] const Mat4x4Type& GetViewProjectionMatrix() const [[nodiscard]] const Mat4X4Type& get_view_projection_matrix() const noexcept
{ {
if (!m_viewProjectionMatrix.has_value()) if (!m_view_projection_matrix.has_value())
m_viewProjectionMatrix = CalcViewProjectionMatrix(); m_view_projection_matrix = calc_view_projection_matrix();
return m_viewProjectionMatrix.value(); return m_view_projection_matrix.value();
} }
void SetFieldOfView(const FieldOfView& fov) void set_field_of_view(const FieldOfView& fov) noexcept
{ {
m_fieldOfView = fov; m_field_of_view = fov;
m_viewProjectionMatrix = std::nullopt; m_view_projection_matrix = std::nullopt;
} }
void SetNearPlane(const float near) void set_near_plane(const float near) noexcept
{ {
m_nearPlaneDistance = near; m_near_plane_distance = near;
m_viewProjectionMatrix = std::nullopt; m_view_projection_matrix = std::nullopt;
} }
void SetFarPlane(const float far) void set_far_plane(const float far) noexcept
{ {
m_farPlaneDistance = far; m_far_plane_distance = far;
m_viewProjectionMatrix = std::nullopt; m_view_projection_matrix = std::nullopt;
} }
void SetViewAngles(const ViewAnglesType& viewAngles) void set_view_angles(const ViewAnglesType& view_angles) noexcept
{ {
m_viewAngles = viewAngles; m_view_angles = view_angles;
m_viewProjectionMatrix = std::nullopt; m_view_projection_matrix = std::nullopt;
} }
void SetOrigin(const Vector3<float>& origin) void set_origin(const Vector3<float>& origin) noexcept
{ {
m_origin = origin; m_origin = origin;
m_viewProjectionMatrix = std::nullopt; m_view_projection_matrix = std::nullopt;
} }
void SetViewPort(const ViewPort& viewPort) void set_view_port(const ViewPort& view_port) noexcept
{ {
m_viewPort = viewPort; m_view_port = view_port;
m_viewProjectionMatrix = std::nullopt; m_view_projection_matrix = std::nullopt;
} }
[[nodiscard]] const FieldOfView& GetFieldOfView() const [[nodiscard]] const FieldOfView& get_field_of_view() const noexcept
{ {
return m_fieldOfView; return m_field_of_view;
} }
[[nodiscard]] const float& GetNearPlane() const [[nodiscard]] const float& get_near_plane() const noexcept
{ {
return m_nearPlaneDistance; return m_near_plane_distance;
} }
[[nodiscard]] const float& GetFarPlane() const [[nodiscard]] const float& get_far_plane() const noexcept
{ {
return m_farPlaneDistance; return m_far_plane_distance;
} }
[[nodiscard]] const ViewAnglesType& GetViewAngles() const [[nodiscard]] const ViewAnglesType& get_view_angles() const noexcept
{ {
return m_viewAngles; return m_view_angles;
} }
[[nodiscard]] const Vector3<float>& GetOrigin() const [[nodiscard]] const Vector3<float>& get_origin() const noexcept
{ {
return m_origin; return m_origin;
} }
[[nodiscard]] std::expected<Vector3<float>, Error> WorldToScreen(const Vector3<float>& worldPosition) const
template<ScreenStart screen_start = ScreenStart::TOP_LEFT_CORNER>
[[nodiscard]] std::expected<Vector3<float>, Error>
world_to_screen(const Vector3<float>& world_position) const noexcept
{ {
auto normalizedCords = WorldToViewPort(worldPosition); const auto normalized_cords = world_to_view_port(world_position);
if (!normalizedCords.has_value()) if (!normalized_cords.has_value())
return std::unexpected{normalizedCords.error()}; return std::unexpected{normalized_cords.error()};
if constexpr (screen_start == ScreenStart::TOP_LEFT_CORNER)
return NdcToScreenPosition(*normalizedCords); return ndc_to_screen_position_from_top_left_corner(*normalized_cords);
else if constexpr (screen_start == ScreenStart::BOTTOM_LEFT_CORNER)
return ndc_to_screen_position_from_bottom_left_corner(*normalized_cords);
else
std::unreachable();
} }
[[nodiscard]] std::expected<Vector3<float>, Error> WorldToViewPort(const Vector3<float>& worldPosition) const [[nodiscard]] std::expected<Vector3<float>, Error>
world_to_view_port(const Vector3<float>& world_position) const noexcept
{ {
auto projected = GetViewProjectionMatrix() * auto projected = get_view_projection_matrix()
MatColumnFromVector<float, Mat4x4Type::GetStoreOrdering()>(worldPosition); * mat_column_from_vector<float, Mat4X4Type::get_store_ordering()>(world_position);
if (projected.At(3, 0) == 0.0f) if (projected.at(3, 0) == 0.0f)
return std::unexpected(Error::WORLD_POSITION_IS_OUT_OF_SCREEN_BOUNDS); return std::unexpected(Error::WORLD_POSITION_IS_OUT_OF_SCREEN_BOUNDS);
projected /= projected.At(3, 0); projected /= projected.at(3, 0);
if (IsNdcOutOfBounds(projected)) if (is_ndc_out_of_bounds(projected))
return std::unexpected(Error::WORLD_POSITION_IS_OUT_OF_SCREEN_BOUNDS); return std::unexpected(Error::WORLD_POSITION_IS_OUT_OF_SCREEN_BOUNDS);
return Vector3<float>{projected.At(0, 0), projected.At(1, 0), projected.At(2, 0)}; return Vector3<float>{projected.at(0, 0), projected.at(1, 0), projected.at(2, 0)};
}
[[nodiscard]]
std::expected<Vector3<float>, Error> view_port_to_screen(const Vector3<float>& ndc) const noexcept
{
const auto inv_view_proj = get_view_projection_matrix().inverted();
if (!inv_view_proj)
return std::unexpected(Error::INV_VIEW_PROJ_MAT_DET_EQ_ZERO);
auto inverted_projection =
inv_view_proj.value() * mat_column_from_vector<float, Mat4X4Type::get_store_ordering()>(ndc);
if (!inverted_projection.at(3, 0))
return std::unexpected(Error::WORLD_POSITION_IS_OUT_OF_SCREEN_BOUNDS);
inverted_projection /= inverted_projection.at(3, 0);
return Vector3<float>{inverted_projection.at(0, 0), inverted_projection.at(1, 0),
inverted_projection.at(2, 0)};
}
[[nodiscard]]
std::expected<Vector3<float>, Error> screen_to_world(const Vector3<float>& screen_pos) const noexcept
{
return view_port_to_screen(screen_to_ndc(screen_pos));
}
[[nodiscard]]
std::expected<Vector3<float>, Error> screen_to_world(const Vector2<float>& screen_pos) const noexcept
{
const auto& [x, y] = screen_pos;
return screen_to_world({x, y, 1.f});
} }
protected: protected:
ViewPort m_viewPort{}; ViewPort m_view_port{};
Angle<float, 0.f, 180.f, AngleFlags::Clamped> m_fieldOfView; Angle<float, 0.f, 180.f, AngleFlags::Clamped> m_field_of_view;
mutable std::optional<Mat4x4Type> m_viewProjectionMatrix; mutable std::optional<Mat4X4Type> m_view_projection_matrix;
float m_farPlaneDistance; float m_far_plane_distance;
float m_nearPlaneDistance; float m_near_plane_distance;
ViewAnglesType m_view_angles;
ViewAnglesType m_viewAngles;
Vector3<float> m_origin; Vector3<float> m_origin;
private: private:
template<class Type> template<class Type>
[[nodiscard]] [[nodiscard]] constexpr static bool is_ndc_out_of_bounds(const Type& ndc) noexcept
constexpr static bool IsNdcOutOfBounds(const Type& ndc)
{ {
return std::ranges::any_of(ndc.RawArray(), [](const auto& val) { return val < -1 || val > 1; }); return std::ranges::any_of(ndc.raw_array(), [](const auto& val) { return val < -1 || val > 1; });
} }
[[nodiscard]] Vector3<float> NdcToScreenPosition(const Vector3<float>& ndc) const // NDC REPRESENTATION:
/*
^
| y
1 |
|
|
-1 ---------0--------- 1 --> x
|
|
-1 |
v
*/
[[nodiscard]] Vector3<float>
ndc_to_screen_position_from_top_left_corner(const Vector3<float>& ndc) const noexcept
{ {
return /*
{ +------------------------>
(ndc.x + 1.f) / 2.f * m_viewPort.m_width, | (0, 0)
(1.f - ndc.y) / 2.f * m_viewPort.m_height, |
ndc.z |
}; |
|
|
|
⌄
*/
return {(ndc.x + 1.f) / 2.f * m_view_port.m_width, (ndc.y / -2.f + 0.5f) * m_view_port.m_height, ndc.z};
}
[[nodiscard]] Vector3<float>
ndc_to_screen_position_from_bottom_left_corner(const Vector3<float>& ndc) const noexcept
{
/*
^
|
|
|
|
|
|
| (0, 0)
+------------------------>
*/
return {(ndc.x + 1.f) / 2.f * m_view_port.m_width, (ndc.y / 2.f + 0.5f) * m_view_port.m_height, ndc.z};
}
[[nodiscard]] Vector3<float> screen_to_ndc(const Vector3<float>& screen_pos) const noexcept
{
return {screen_pos.x / m_view_port.m_width * 2.f - 1.f, 1.f - screen_pos.y / m_view_port.m_height * 2.f,
screen_pos.z};
} }
}; };
} // namespace omath::projection } // namespace omath::projection

2
include/omath/projection/error_codes.hpp
View File

@@ -5,11 +5,11 @@
#pragma once #pragma once
#include <cstdint> #include <cstdint>
namespace omath::projection namespace omath::projection
{ {
enum class Error : uint16_t enum class Error : uint16_t
{ {
WORLD_POSITION_IS_OUT_OF_SCREEN_BOUNDS, WORLD_POSITION_IS_OUT_OF_SCREEN_BOUNDS,
INV_VIEW_PROJ_MAT_DET_EQ_ZERO,
}; };
} }

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