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base: orange/omath:v3.0.3
Branches Tags
orange/omath:main orange/omath:feature/docs-update orange/omath:feature/air orange/omath:feature/constexpr orange/omath:feature/bvh_tree
orange/omath:v5.2.1 orange/omath:v5.2.0 orange/omath:v5.1.2 orange/omath:v5.1.1 orange/omath:v5.1.0 orange/omath:v5.1.0.rc6 orange/omath:v5.1.0.rc5 orange/omath:v5.1.0.rc4 orange/omath:v5.1.0.rc3 orange/omath:v5.1.0.rc2 orange/omath:v5-ci-test orange/omath:v5.1.0.rc1 orange/omath:v5.0.0 orange/omath:v4.7.0 orange/omath:v4.6.1 orange/omath:v4.6.0 orange/omath:v4.5.1 orange/omath:v4.5.0 orange/omath:v4.4.0 orange/omath:v4.3.0 orange/omath:v4.2.0 orange/omath:v4.1.0 orange/omath:v4.0.1 orange/omath:v3.10.1 orange/omath:v3.9.4 orange/omath:v3.9.3 orange/omath:v3.9.0 orange/omath:v3.8.2 orange/omath:v3.8.1 orange/omath:v3.6.1 orange/omath:v3.5.1 orange/omath:v3.2.3 orange/omath:v3.0.3 orange/omath:v2.3.2 orange/omath:v2.3.1 orange/omath:v2.3.0 orange/omath:v2.2.1 orange/omath:v2.2.0 orange/omath:v2.1.1 orange/omath:v2.1.0 orange/omath:v2.0.2 orange/omath:v2.0.1 orange/omath:v2.0.0 orange/omath:v1.3.0 orange/omath:v1.2.0 orange/omath:v1.1.3 orange/omath:v1.1.2 orange/omath:v1.1.1 orange/omath:v1.1.0 orange/omath:v1.0.1 orange/omath:v1.0.0
..
compare: orange/omath:v3.8.1
Branches Tags
orange/omath:feature/docs-update orange/omath:main orange/omath:feature/air orange/omath:feature/constexpr orange/omath:feature/bvh_tree
orange/omath:v5.2.1 orange/omath:v5.2.0 orange/omath:v5.1.2 orange/omath:v5.1.1 orange/omath:v5.1.0 orange/omath:v5.1.0.rc6 orange/omath:v5.1.0.rc5 orange/omath:v5.1.0.rc4 orange/omath:v5.1.0.rc3 orange/omath:v5.1.0.rc2 orange/omath:v5-ci-test orange/omath:v5.1.0.rc1 orange/omath:v5.0.0 orange/omath:v4.7.0 orange/omath:v4.6.1 orange/omath:v4.6.0 orange/omath:v4.5.1 orange/omath:v4.5.0 orange/omath:v4.4.0 orange/omath:v4.3.0 orange/omath:v4.2.0 orange/omath:v4.1.0 orange/omath:v4.0.1 orange/omath:v3.10.1 orange/omath:v3.9.4 orange/omath:v3.9.3 orange/omath:v3.9.0 orange/omath:v3.8.2 orange/omath:v3.8.1 orange/omath:v3.6.1 orange/omath:v3.5.1 orange/omath:v3.2.3 orange/omath:v3.0.3 orange/omath:v2.3.2 orange/omath:v2.3.1 orange/omath:v2.3.0 orange/omath:v2.2.1 orange/omath:v2.2.0 orange/omath:v2.1.1 orange/omath:v2.1.0 orange/omath:v2.0.2 orange/omath:v2.0.1 orange/omath:v2.0.0 orange/omath:v1.3.0 orange/omath:v1.2.0 orange/omath:v1.1.3 orange/omath:v1.1.2 orange/omath:v1.1.1 orange/omath:v1.1.0 orange/omath:v1.0.1 orange/omath:v1.0.0

179 Commits
v3.0.3 .. v3.8.1

Author SHA1 Message Date
orange eb6f0302a9 Merge pull request #77 from orange-cpp/feature/formating_improvement 
Feature/formating improvement
 2025-09-25 22:03:47 +03:00
orange 5ad1d763bb added plane header 2025-09-25 21:59:59 +03:00
orange cc68d4e2b7 fix 2025-09-25 21:57:05 +03:00
orange 899a9825a0 decomposed formatter 2025-09-25 21:55:56 +03:00
orange 800435b407 improvement 2025-09-25 21:43:33 +03:00
orange 0a72f8541a improved encoding for formating 2025-09-25 21:06:46 +03:00
orange a5ed088ce0 imprvoed code style 2025-09-25 19:33:06 +03:00
orange 1e0cec2762 Merge pull request #76 from orange-cpp/bugfix/projectile_pred 
projectile pred look at fix
 2025-09-22 02:43:04 +03:00
orange 423dca43e4 fix 2025-09-22 02:41:12 +03:00
orange 7318644027 ooops 2025-09-22 02:39:50 +03:00
orange 0515018605 added targets specification to ci cd build 2025-09-22 02:38:25 +03:00
orange 152eafb78f disable benchmark build for CI/CD 2025-09-22 02:34:52 +03:00
orange f8beaa4bab added source engine benchmark 2025-09-22 02:29:36 +03:00
orange 614e5ebb35 unreal engine fix 2025-09-22 02:12:20 +03:00
orange 36e4cef2f3 fix unity 2025-09-22 02:10:33 +03:00
orange 577afd4d4a opengl fix 2025-09-22 02:08:58 +03:00
orange aebb29d773 Merge pull request #75 from orange-cpp/bugfix/fix_look_at 
Bugfix/fix look at
 2025-09-20 17:12:16 +03:00
orange 3c81aea2ca unified look at for source iw_engine 2025-09-20 17:09:13 +03:00
orange 32d88f0881 improved tests 2025-09-20 17:00:49 +03:00
orange 15898e9b3d improved opengl tests stability 2025-09-20 16:36:05 +03:00
orange e37fefae23 improved test stability 2025-09-20 16:34:44 +03:00
orange f8f3f2c45d fixed test 2025-09-20 16:22:24 +03:00
orange aee78d7671 added more iterations 2025-09-20 16:08:04 +03:00
orange eb443d533c style fix 2025-09-20 16:00:30 +03:00
orange 5466638330 fixed unreal 2025-09-20 15:59:43 +03:00
orange 19350b2618 fixed unity 2025-09-20 15:54:48 +03:00
orange 53b495a413 fixed opengl 2025-09-20 15:48:59 +03:00
orange 18a1349693 reverted 2025-09-20 15:46:21 +03:00
orange 584a66b20c fix 2025-09-20 15:44:33 +03:00
orange 3e5fb1bdb5 fixed rotation matrix 2025-09-20 15:44:33 +03:00
orange 3fa85f4c4d added new mat function 
more tests
 2025-09-20 15:44:33 +03:00
orange d3c90253f7 fixed test 2025-09-20 15:44:33 +03:00
orange eeb4dccb12 fixed iw engine 
fixed source

revert
 2025-09-20 15:44:33 +03:00
orange 708c8c082b Update README.md 2025-09-18 19:39:11 +03:00
orange e9dbec778d fixed warning 2025-09-18 19:06:56 +03:00
orange 99d77d7790 fix 2025-09-18 18:42:02 +03:00
orange df5ca54b90 now its ref 2025-09-18 18:39:28 +03:00
orange 80bae265c0 improved naming 2025-09-18 18:38:07 +03:00
orange 4929c96e5b 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 f66f028317 Merge pull request #74 from BillyONeal/fmodf 
Don't name std::fmodf.
 2025-09-18 06:04:43 +03:00
orange dc3f2980db 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 4505aee3c2 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 ee8073ceb4 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 800965a16c Merge pull request #73 from orange-cpp/featore/performance_tests 
added performance folder
 2025-09-17 20:53:11 +03:00
orange 3e560cbfa4 fix 2025-09-17 20:50:30 +03:00
orange fbebed3d16 patch 2025-09-17 20:46:00 +03:00
orange 439da31334 improved bench 2025-09-17 20:40:03 +03:00
orange f7cb5eef1f fix 2025-09-17 20:25:22 +03:00
orange f6254c6a8c patch 2025-09-17 20:22:42 +03:00
orange e0c5c1c56b added benchmark submodule 2025-09-17 20:14:33 +03:00
orange e090ac1d9a added benchmark 2025-09-17 19:56:50 +03:00
orange dc3606301d added avx mutiplication 2025-09-17 19:47:29 +03:00
orange eb0ca6627f renamed folder 2025-09-17 18:07:28 +03:00
orange e2be30f505 added performance folder 2025-09-17 17:47:55 +03:00
orange a742d99205 Merge pull request #72 from orange-cpp/feature/mat_refactor 
Feature/mat refactor
 2025-09-17 17:41:15 +03:00
orange 578a4e1d32 removed unused var 2025-09-17 17:38:17 +03:00
orange 13e0bb3262 added space 2025-09-17 17:33:05 +03:00
orange 619c15072c decomposed mutiplication 2025-09-17 17:30:57 +03:00
orange 242fc45ffa forgot std 2025-09-17 17:23:02 +03:00
orange 36628c0400 Merge pull request #71 from orange-cpp/feature/mat_perf_boost 
Improves matrix multiplication performance
 2025-09-17 17:18:12 +03:00
orange a630da39e3 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 910100c6dd Add acknowledgment for AmbushedRaccoon's contribution 2025-09-16 16:58:00 +03:00
orange dbae07546f 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 d1d26352d6 Update omath.hpp 2025-09-15 13:13:55 +03:00
orange 4f0cfd4cef 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 8c03a07600 patch 2025-09-14 04:43:25 +03:00
orange 498df95e3e 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 7ad0e3f10b 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 4372f429ae 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 077653e5ce 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 5ec26f9def 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 f48232cc1d 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 32b1b90414 Update README.md 2025-09-13 19:20:37 +03:00
orange 0b18129eac Update README.md 2025-09-13 19:16:19 +03:00
orange 8983cfc6d9 Update README.md 2025-09-09 22:15:00 +03:00
orange 123184987f Update README.md 2025-09-09 21:48:54 +03:00
orange ac7aeee9be Merge pull request #68 from orange-cpp/feature/screen_to_world 
Feature/screen to world
 2025-09-09 02:58:32 +03:00
orange 1d8dba6487 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 18b0b210cf 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 9e08f5bb5c 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 a61d3f20b7 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 4340e83914 Merge pull request #67 from orange-cpp/feature/angle-improvement 
Implements angle class with normalization
 2025-09-08 20:18:11 +03:00
orange 1efa28d676 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 f393d0c1c3 Merge pull request #66 from orange-cpp/feature/remove-legacy 
Removes deprecated Matrix class
 2025-09-08 19:59:34 +03:00
orange 55c5bb92da 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 6f203e3a20 Update LICENSE 2025-09-08 15:52:01 +03:00
orange 038de53783 updated logo psd 2025-09-06 23:14:14 +03:00
orange fde3e1dcb9 Update README.md 2025-09-04 23:49:07 +03:00
orange 6153478d6e Update CREDITS.md 2025-09-04 20:36:12 +03:00
orange 4a6ddb230b Update LICENSE 2025-09-04 20:35:25 +03:00
orange bb61e2303e Update SECURITY.md 2025-09-04 20:35:04 +03:00
orange 522597c196 Update LICENSE 2025-09-04 19:35:05 +03:00
orange 9709ba8f61 Update LICENSE 2025-09-04 19:33:59 +03:00
orange 5111695d84 updated logo 2025-09-03 22:18:54 +03:00
orange 50bfc3e943 removed unused defines 2025-09-03 12:52:00 +03:00
orange 15f2a3917f fix 2025-09-03 12:50:31 +03:00
orange dede0a145d Merge pull request #62 from orange-cpp/feaure/added_logo 
Feaure/added logo
 2025-09-01 17:04:50 +03:00
orange 4238c94fc0 Acknowledges logo design contribution 
Updates the credits to acknowledge the new initial logo design.
 2025-09-01 17:04:29 +03:00
orange 6a6c265501 Adds an omath.psd file. 
Adds a binary file named omath.psd.
 2025-09-01 17:03:31 +03:00
orange d061f67d13 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 1546d8a90f 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 55c7922b24 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 1af9eccad9 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 1c58340404 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 860686cb92 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 fbacfa10ec 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 62ad7157ff Merge pull request #59 from orange-cpp/feature/new_primitives 
Adds plane primitive generation
 2025-08-29 14:41:36 +03:00
orange 92689fbf21 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 fe1ff12f74 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 b19a4de904 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 392a204dd1 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 7b99e1f296 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 d5eb607900 Removed submodule extlibs/glm 2025-08-27 20:22:33 +03:00
orange 2965ab1b25 com 2025-08-27 20:07:47 +03:00
orange e1b1471935 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 e8925af4c1 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 abf068262d 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 7107b9c28f 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 6b7c28e2a8 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 f517ce7b5b 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 9cbf9b2e5e 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 2a4ad1c73a 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 bd0410fcac 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 1f54cf50d2 Merge pull request #55 from orange-cpp/feature/unreal-support 
Adds Unreal Engine math library
 2025-08-25 21:49:11 +03:00
orange ddafd24ea6 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 bdbf596647 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 2d4843700d 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 28b3aecf9d 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 16d6a5d038 Update README.md 2025-08-25 17:26:56 +03:00
orange 2aa907a1c3 Update README.md 2025-08-25 16:00:36 +03:00
orange ffba73271b 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 e6627c7a06 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 ef86da13ad 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 07de3d27ec 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 8e7e1dfc42 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 46ae5668ab 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 cdde09c70c feat(omath): Add NDC to screen position coordinate diagram 2025-08-12 09:29:14 +03:00
orange 5ccd3a454a 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 330e1cbfb4 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 62c86fdc09 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 0bda75e346 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 24a80c4f14 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 94bc18ba18 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 7f2084969f Update issue templates 2025-08-11 01:30:26 +03:00
orange b4fbcba8f2 Marks Camera class as final 
Prevents inheritance from the Camera class.
 2025-08-11 01:18:39 +03:00
orange c792c92192 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 1f4b10f336 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 741c4e5396 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 7556e9134b 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 db6159f8f1 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 7a9fa626e4 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 5be521ad2c 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 9ad71be0da patch 2025-08-06 05:56:09 +03:00
orange a3b6435bac 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 0abfeba109 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 5c9b36a03c 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 628361aff8 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 0e403f916d 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 a6fc92dd3a 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 b16157e976 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 d66ccf2f74 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 5b66a53f08 Merge pull request #51 from orange-cpp/feature/projectile_pred_custom 
Refactors projectile prediction engine
 2025-08-03 17:38:08 +03:00
orange 6c5c86b850 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 da528d2884 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 095519e035 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 0fe5b6b7a1 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 b82106a565 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 0cae66b9c7 Update README.md 2025-07-14 23:11:46 +03:00
orange b621308346 Merge pull request #48 from luadebug/patch-1 
Update INSTALL.md
 2025-07-14 23:10:39 +03:00
Saikari bd2b14c047 Update INSTALL.md 2025-07-14 18:53:41 +03:00
orange 1ff591ff48 Update README.md 
fixed ordering
 2025-07-14 17:39:16 +03:00
orange f8f746bfbb Update README.md 
made badge in read me smaller
 2025-07-14 17:38:50 +03:00
orange cadb2b6285 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 0ee4db4c5b Update README.md 2025-07-14 16:25:16 +03:00
orange 5425b60f6e Update README.md 2025-07-08 17:14:52 +03:00
orange 30d8db8b36 Update README.md 2025-07-08 17:13:24 +03:00
orange 2bc23d42c0 Update README.md 2025-07-08 17:01:56 +03:00
orange e68ca673c9 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 77bf19da2d 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
116 changed files with 3820 additions and 1164 deletions
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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.
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---
name: Custom issue template
about: Describe this issue template's purpose here.
title: ''
labels: ''
assignees: ''
---
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---
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: Configure (cmake --preset) - name: Configure (cmake --preset)
shell: bash shell: bash
run: cmake --preset linux-release -DOMATH_BUILD_TESTS=ON run: cmake --preset linux-release -DOMATH_BUILD_TESTS=ON -DOMATH_BUILD_BENCHMARK=OFF
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shell: bash shell: bash
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- name: Run unit_tests - name: Run unit_tests
shell: bash shell: bash
@@ -68,11 +68,11 @@ jobs:
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shell: bash shell: bash
run: cmake --preset windows-release -DOMATH_BUILD_TESTS=ON run: cmake --preset windows-release -DOMATH_BUILD_TESTS=ON -DOMATH_BUILD_BENCHMARK=OFF
- name: Build - name: Build
shell: bash shell: bash
run: cmake --build cmake-build/build/windows-release --target all run: cmake --build cmake-build/build/windows-release --target unit_tests omath
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shell: bash shell: bash
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/out /out
*.DS_Store *.DS_Store
/extlibs/vcpkg
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url = https://github.com/google/googletest.git url = https://github.com/google/googletest.git
[submodule "extlibs/benchmark"]
path = extlibs/benchmark
url = https://github.com/google/benchmark.git
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<pair source="cu" header="cuh" fileNamingConvention="NONE" />
<pair source="ixx" header="" fileNamingConvention="NONE" />
<pair source="mxx" header="" fileNamingConvention="NONE" />
<pair source="cppm" header="" fileNamingConvention="NONE" />
<pair source="ccm" header="" fileNamingConvention="NONE" />
<pair source="cxxm" header="" fileNamingConvention="NONE" />
<pair source="c++m" header="" fileNamingConvention="NONE" />
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</component>
.idea/codeStyles/codeStyleConfig.xml
Generated
+6
View File
@@ -0,0 +1,6 @@
<component name="ProjectCodeStyleConfiguration">
<state>
<option name="USE_PER_PROJECT_SETTINGS" value="true" />
<option name="PREFERRED_PROJECT_CODE_STYLE" value="Default" />
</state>
</component>
.idea/developer-tools.xml
Generated
+6
View File
@@ -0,0 +1,6 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="DeveloperToolsToolWindowSettingsV1" lastSelectedContentNodeId="code-style-formatting" pluginVersion="7.0.0">
<developerToolsConfigurations />
</component>
</project>
.idea/editor.xml
Generated
+435
View File
@@ -0,0 +1,435 @@
<?xml version="1.0" encoding="UTF-8"?>
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<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>
.idea/inspectionProfiles/Project_Default.xml
Generated
+8
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>
.idea/inspectionProfiles/profiles_settings.xml
Generated
+7
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>
.idea/misc.xml
Generated
+12
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>
.idea/modules.xml
Generated
+8
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>
.idea/omath.iml
Generated
+2
View File
@@ -0,0 +1,2 @@
<?xml version="1.0" encoding="UTF-8"?>
<module classpath="CMake" type="CPP_MODULE" version="4" />
.idea/vcs.xml
Generated
+8
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>
CMakeLists.txt
+37 -7
View File
@@ -1,11 +1,12 @@
cmake_minimum_required(VERSION 3.26) cmake_minimum_required(VERSION 3.26)
project(omath VERSION 3.0.2 LANGUAGES CXX) project(omath VERSION 3.5.0 LANGUAGES CXX)
include(CMakePackageConfigHelpers) include(CMakePackageConfigHelpers)
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" ${PROJECT_IS_TOP_LEVEL})
option(OMATH_THREAT_WARNING_AS_ERROR "Set highest level of warnings and force compiler to treat them as errors" ON) option(OMATH_THREAT_WARNING_AS_ERROR "Set highest level of warnings and force compiler to treat them as errors" ON)
option(OMATH_BUILD_AS_SHARED_LIBRARY "Build Omath as .so or .dll" OFF) option(OMATH_BUILD_AS_SHARED_LIBRARY "Build Omath as .so or .dll" OFF)
option(OMATH_USE_AVX2 "Omath will use AVX2 to boost performance" ON) option(OMATH_USE_AVX2 "Omath will use AVX2 to boost performance" ON)
@@ -13,7 +14,20 @@ option(OMATH_IMGUI_INTEGRATION "Omath will define method to convert omath types
option(OMATH_BUILD_EXAMPLES "Build example projects with you can learn & play" OFF) option(OMATH_BUILD_EXAMPLES "Build example projects with you can learn & play" OFF)
option(OMATH_STATIC_MSVC_RUNTIME_LIBRARY "Force Omath to link static runtime" OFF) option(OMATH_STATIC_MSVC_RUNTIME_LIBRARY "Force Omath to link static runtime" OFF)
option(OMATH_SUPRESS_SAFETY_CHECKS "Supress some safety checks in release build to improve general performance" ON) option(OMATH_SUPRESS_SAFETY_CHECKS "Supress some safety checks in release build to improve general performance" ON)
option(OMATH_USE_UNITY_BUILD "Will enable unity build to speed up compilation" ON) option(OMATH_USE_UNITY_BUILD "Will enable unity build to speed up compilation" OFF)
option(OMATH_ENABLE_LEGACY "Will enable legacy classes that MUST be used ONLY for backward compatibility" OFF)
message(STATUS "[${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 ${OMATH_ENABLE_LEGACY}")
file(GLOB_RECURSE OMATH_SOURCES CONFIGURE_DEPENDS "${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 "${CMAKE_CURRENT_SOURCE_DIR}/include/*.hpp")
@@ -25,10 +39,11 @@ else ()
add_library(${PROJECT_NAME} STATIC ${OMATH_SOURCES} ${OMATH_HEADERS}) add_library(${PROJECT_NAME} STATIC ${OMATH_SOURCES} ${OMATH_HEADERS})
endif () endif ()
message(STATUS "[OMATH]: Building on ${CMAKE_HOST_SYSTEM_NAME}")
add_library(${PROJECT_NAME}::${PROJECT_NAME} ALIAS ${PROJECT_NAME}) add_library(${PROJECT_NAME}::${PROJECT_NAME} ALIAS ${PROJECT_NAME})
target_compile_definitions(${PROJECT_NAME} PUBLIC OMATH_VERSION="${PROJECT_VERSION}")
if (OMATH_IMGUI_INTEGRATION) if (OMATH_IMGUI_INTEGRATION)
target_compile_definitions(${PROJECT_NAME} PUBLIC OMATH_IMGUI_INTEGRATION) target_compile_definitions(${PROJECT_NAME} PUBLIC OMATH_IMGUI_INTEGRATION)
@@ -56,6 +71,10 @@ if (OMATH_SUPRESS_SAFETY_CHECKS)
target_compile_definitions(${PROJECT_NAME} PUBLIC OMATH_SUPRESS_SAFETY_CHECKS) target_compile_definitions(${PROJECT_NAME} PUBLIC OMATH_SUPRESS_SAFETY_CHECKS)
endif () endif ()
if (OMATH_ENABLE_LEGACY)
target_compile_options(${PROJECT_NAME} PUBLIC OMATH_ENABLE_LEGACY)
endif ()
set_target_properties(${PROJECT_NAME} PROPERTIES set_target_properties(${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}"
@@ -74,16 +93,22 @@ if (OMATH_STATIC_MSVC_RUNTIME_LIBRARY)
) )
endif () endif ()
if (CMAKE_CXX_COMPILER_ID STREQUAL "Clang") if (OMATH_USE_AVX2 AND CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
target_compile_options(${PROJECT_NAME} PRIVATE -mavx2 -mfma) target_compile_options(${PROJECT_NAME} PUBLIC -mavx2 -mavx -mfma)
endif () endif ()
target_compile_features(${PROJECT_NAME} PUBLIC cxx_std_23) target_compile_features(${PROJECT_NAME} PUBLIC cxx_std_23)
add_subdirectory(extlibs)
if (OMATH_BUILD_TESTS) if (OMATH_BUILD_TESTS)
add_subdirectory(extlibs)
add_subdirectory(tests) add_subdirectory(tests)
target_compile_definitions(${PROJECT_NAME} PUBLIC OMATH_BUILD_TESTS)
endif ()
if (OMATH_BUILD_BENCHMARK)
add_subdirectory(benchmark)
endif () endif ()
if (OMATH_BUILD_EXAMPLES) if (OMATH_BUILD_EXAMPLES)
@@ -96,6 +121,11 @@ elseif (OMATH_THREAT_WARNING_AS_ERROR)
target_compile_options(${PROJECT_NAME} PRIVATE -Wall -Wextra -Wpedantic -Werror) target_compile_options(${PROJECT_NAME} PRIVATE -Wall -Wextra -Wpedantic -Werror)
endif () endif ()
# Windows SDK redefine min/max via preprocessor and break std::min and std::max
if (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
target_compile_definitions(${PROJECT_NAME} INTERFACE NOMINMAX)
endif ()
target_include_directories(${PROJECT_NAME} target_include_directories(${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
CONTRIBUTING.md
+32
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@@ -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.
CREDITS.md
+4 -2
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>
INSTALL.md
+14
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**
LICENSE
+12 -1
View File
@@ -1,4 +1,4 @@
Copyright (C) 2024-2025 Orange++ <orange-cpp@yandex.ru> Copyright (C) 2024-2025 Orange++ <orange_github@proton.me>
This software is provided 'as-is', without any express or implied This software is provided 'as-is', without any express or implied
warranty. In no event will the authors be held liable for any damages warranty. In no event will the authors be held liable for any damages
@@ -15,3 +15,14 @@ freely, subject to the following restrictions:
2. Altered source versions must be plainly marked as such, and must not be 2. Altered source versions must be plainly marked as such, and must not be
misrepresented as being the original software. misrepresented as being the original software.
3. This notice may not be removed or altered from any source distribution. 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, present, or future)
with any of the following entities:
* "Yandex" LLC
* "Rutube" 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.
README.md
+85 -33
View File
@@ -1,16 +1,46 @@
<div align = center> <div align = center>
![banner](https://github.com/orange-cpp/omath/blob/main/.github/images/banner.png?raw=true) ![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) ![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> 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.
<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 ## 👁‍🗨 Features
- **Efficiency**: Optimized for performance, ensuring quick computations using AVX2. - **Efficiency**: Optimized for performance, ensuring quick computations using AVX2.
@@ -22,13 +52,37 @@ Oranges's Math Library (omath) is a comprehensive, open-source library aimed at
- **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!
# Gallery
<br>
[![Youtube Video](.github/images/yt_previews/img.png)](https://youtu.be/lM_NJ1yCunw?si=-Qf5yzDcWbaxAXGQ)
<br>
![APEX Preview]
<br>
![BO2 Preview]
<br>
![CS2 Preview]
<br>
<br>
## Supported Render Pipelines ## Supported Render Pipelines
| ENGINE | SUPPORT | | ENGINE | SUPPORT |
|----------|---------| |----------|---------|
| Source | ✅YES | | Source | ✅YES |
| Unity | ✅YES | | Unity | ✅YES |
| IWEngine | ✅YES | | IWEngine | ✅YES |
| Unreal | ❌NO | | OpenGL | ✅YES |
| Unreal | ✅YES |
## Supported Operating Systems ## Supported Operating Systems
@@ -38,40 +92,38 @@ Oranges's Math Library (omath) is a comprehensive, open-source library aimed at
| Linux | ✅YES | | Linux | ✅YES |
| Darwin (MacOS) | ✅YES | | Darwin (MacOS) | ✅YES |
## ⏬ Installation
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 ## ❔ Usage
Simple world to screen function ESP example
```c++ ```c++
TEST(UnitTestProjection, IsPointOnScreen) omath::source_engine::Camera cam{localPlayer.GetCameraOrigin(),
{ localPlayer.GetAimPunch(),
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); {1920.f, 1080.f},
localPlayer.GetFieldOfView(),
0.01.f, 30000.f};
const auto proj = camera.WorldToScreen({100, 0, 15}); for (auto ent: apex_sdk::EntityList::GetAllEntities())
EXPECT_TRUE(proj.has_value()); {
const auto bottom = cam.world_to_screen(ent.GetOrigin());
const auto top = cam.world_to_screen(ent.GetBonePosition(8) + omath::Vector3<float>{0, 0, 10});
const auto ent_health = ent.GetHealth();
if (!top || !bottom || ent_health <= 0)
continue;
// esp rendering...
} }
``` ```
## 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/).
![banner](https://i.imgur.com/lcJrfcZ.png)
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
Contributions to `omath` are welcome! Please read `CONTRIBUTING.md` for details on our code of conduct and the process for submitting pull requests.
## 📜 License
This project is licensed under the MIT - see the `LICENSE` file for details.
## 💘 Acknowledgments ## 💘 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
<!----------------------------------{ Buttons }--------------------------------->
[INSTALL]: INSTALL.md
[CONTRIBUTING]: CONTRIBUTING.md
[EXAMPLES]: examples
[SPONSOR]: https://boosty.to/orangecpp/purchase/3568644?ssource=DIRECT&share=subscription_link
SECURITY.md
+1 -1
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`
benchmark/CMakeLists.txt
+15
View File
@@ -0,0 +1,15 @@
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)
target_link_libraries(${PROJECT_NAME} PRIVATE benchmark::benchmark omath)
benchmark/benchmark_mat.cpp
+65
View File
@@ -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);
benchmark/benchmark_projectile_pred.cpp
+23
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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);
benchmark/main.cpp
+5
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@@ -0,0 +1,5 @@
//
// Created by Vlad on 9/17/2025.
//
#include <benchmark/benchmark.h>
BENCHMARK_MAIN();
extlibs/CMakeLists.txt
+8
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@@ -1 +1,9 @@
if (OMATH_BUILD_TESTS)
add_subdirectory(googletest) add_subdirectory(googletest)
endif ()
if (OMATH_BUILD_BENCHMARK)
set(BENCHMARK_ENABLE_TESTING OFF)
add_subdirectory(benchmark)
endif ()
extlibs/benchmark
Submodule
+1
Submodule extlibs/benchmark added at 2948b6a2e6
extlibs/googletest
+1 -1
Submodule extlibs/googletest updated: d83fee138a...52eb8108c5
include/omath/3d_primitives/box.hpp
+2 -3
View File
@@ -3,10 +3,9 @@
// //
#pragma once #pragma once
#include <array> #include "omath/linear_algebra/vector3.hpp"
#include "omath/triangle.hpp" #include "omath/triangle.hpp"
#include "omath/vector3.hpp" #include <array>
namespace omath::primitives namespace omath::primitives
{ {
include/omath/3d_primitives/plane.hpp
+16
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@@ -0,0 +1,16 @@
//
// Created by Vlad on 8/28/2025.
//
#pragma once
#include "omath/linear_algebra/vector3.hpp"
#include "omath/triangle.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;
}
include/omath/angle.hpp
+64 -4
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@@ -5,6 +5,7 @@
#pragma once #pragma once
#include "omath/angles.hpp" #include "omath/angles.hpp"
#include <algorithm> #include <algorithm>
#include <format>
#include <utility> #include <utility>
namespace omath namespace omath
@@ -122,13 +123,13 @@ namespace omath
} }
[[nodiscard]] [[nodiscard]]
constexpr Angle& operator+(const Angle& other) noexcept constexpr Angle operator+(const Angle& other) noexcept
{ {
if constexpr (flags == AngleFlags::Normalized) if constexpr (flags == AngleFlags::Normalized)
return {angles::wrap_angle(m_angle + other.m_angle, min, max)}; return Angle{angles::wrap_angle(m_angle + other.m_angle, min, max)};
else if constexpr (flags == AngleFlags::Clamped) else if constexpr (flags == AngleFlags::Clamped)
return {std::clamp(m_angle + other.m_angle, min, max)}; return Angle{std::clamp(m_angle + other.m_angle, min, max)};
else else
static_assert(false); static_assert(false);
@@ -137,7 +138,7 @@ namespace omath
} }
[[nodiscard]] [[nodiscard]]
constexpr Angle& operator-(const Angle& other) noexcept constexpr Angle operator-(const Angle& other) noexcept
{ {
return operator+(-other); return operator+(-other);
} }
@@ -149,3 +150,62 @@ namespace omath
} }
}; };
} // namespace omath } // namespace omath
template<class T, T MinV, T MaxV, omath::AngleFlags F>
struct std::formatter<omath::Angle<T, MinV, MaxV, F>, char> // NOLINT(*-dcl58-cpp)
{
using AngleT = omath::Angle<T, MinV, MaxV, F>;
static constexpr auto parse(std::format_parse_context& ctx)
{
return ctx.begin();
}
template<class FormatContext>
[[nodiscard]]
auto format(const AngleT& a, FormatContext& ctx) const
{
static_assert(std::is_same_v<typename FormatContext::char_type, char>);
return std::format_to(ctx.out(), "{}deg", a.as_degrees());
}
};
// wchar_t formatter
template<class T, T MinV, T MaxV, omath::AngleFlags F>
struct std::formatter<omath::Angle<T, MinV, MaxV, F>, wchar_t> // NOLINT(*-dcl58-cpp)
{
using AngleT = omath::Angle<T, MinV, MaxV, F>;
static constexpr auto parse(std::wformat_parse_context& ctx)
{
return ctx.begin();
}
template<class FormatContext>
[[nodiscard]]
auto format(const AngleT& a, FormatContext& ctx) const
{
static_assert(std::is_same_v<typename FormatContext::char_type, wchar_t>);
return std::format_to(ctx.out(), L"{}deg", a.as_degrees());
}
};
// wchar_t formatter
template<class T, T MinV, T MaxV, omath::AngleFlags F>
struct std::formatter<omath::Angle<T, MinV, MaxV, F>, char8_t> // NOLINT(*-dcl58-cpp)
{
using AngleT = omath::Angle<T, MinV, MaxV, F>;
static constexpr auto parse(std::wformat_parse_context& ctx)
{
return ctx.begin();
}
template<class FormatContext>
[[nodiscard]]
auto format(const AngleT& a, FormatContext& ctx) const
{
static_assert(std::is_same_v<typename FormatContext::char_type, char8_t>);
return std::format_to(ctx.out(), u8"{}deg", a.as_degrees());
}
};
include/omath/collision/line_tracer.hpp
+1 -1
View File
@@ -3,8 +3,8 @@
// //
#pragma once #pragma once
#include "omath/linear_algebra/vector3.hpp"
#include "omath/triangle.hpp" #include "omath/triangle.hpp"
#include "omath/vector3.hpp"
namespace omath::collision namespace omath::collision
{ {
include/omath/color.hpp
+46 -11
View File
@@ -4,18 +4,9 @@
#pragma once #pragma once
#include "omath/vector3.hpp" #include "linear_algebra/vector4.hpp"
#include "omath/vector4.hpp"
#include <cstdint> #include <cstdint>
#ifdef max
#undef max
#endif
#ifdef min
#undef min
#endif
namespace omath namespace omath
{ {
struct Hsv struct Hsv
@@ -104,7 +95,7 @@ namespace omath
hsv_data.hue = 0.f; hsv_data.hue = 0.f;
else if (max == red) else if (max == red)
hsv_data.hue = 60.f * (std::fmodf(((green - blue) / delta), 6.f)); hsv_data.hue = 60.f * (std::fmod(static_cast<float>((green - blue) / delta), 6.f));
else if (max == green) else if (max == green)
hsv_data.hue = 60.f * (((blue - red) / delta) + 2.f); hsv_data.hue = 60.f * (((blue - red) / delta) + 2.f);
else if (max == blue) else if (max == blue)
@@ -173,5 +164,49 @@ namespace omath
return {to_im_vec4()}; return {to_im_vec4()};
} }
#endif #endif
[[nodiscard]] std::string to_string() const noexcept
{
return std::format("[r:{}, g:{}, b:{}, a:{}]",
static_cast<int>(x * 255.f),
static_cast<int>(y * 255.f),
static_cast<int>(z * 255.f),
static_cast<int>(w * 255.f));
}
[[nodiscard]] std::wstring to_wstring() const noexcept
{
const auto ascii_string = to_string();
return {ascii_string.cbegin(), ascii_string.cend()};
}
// ReSharper disable once CppInconsistentNaming
[[nodiscard]] std::u8string to_u8string() const noexcept
{
const auto ascii_string = to_string();
return {ascii_string.cbegin(), ascii_string.cend()};
}
}; };
} // namespace omath } // namespace omath
template<>
struct std::formatter<omath::Color> // 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::Color& col, FormatContext& ctx)
{
if constexpr (std::is_same_v<typename FormatContext::char_type, char>)
return std::format_to(ctx.out(), "{}", col.to_string());
if constexpr (std::is_same_v<typename FormatContext::char_type, wchar_t>)
return std::format_to(ctx.out(), L"{}", col.to_wstring());
if constexpr (std::is_same_v<typename FormatContext::char_type, char8_t>)
return std::format_to(ctx.out(), u8"{}", col.to_u8string());
return std::unreachable();
}
};
include/omath/engines/iw_engine/camera.hpp
+2 -11
View File
@@ -5,18 +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>;
{
public:
Camera(const Vector3<float>& position, const ViewAngles& view_angles, const projection::ViewPort& view_port,
const Angle<float, 0.f, 180.f, AngleFlags::Clamped>& fov, float near, float far);
void look_at(const Vector3<float>& target) override;
protected:
[[nodiscard]] Mat4X4 calc_view_matrix() const noexcept override;
[[nodiscard]] Mat4X4 calc_projection_matrix() const noexcept override;
};
} // namespace omath::iw_engine } // namespace omath::iw_engine
include/omath/engines/iw_engine/constants.hpp
+2 -2
View File
@@ -3,9 +3,9 @@
// //
#pragma once #pragma once
#include "omath/linear_algebra/mat.hpp"
#include "omath/linear_algebra/vector3.hpp"
#include <omath/angle.hpp> #include <omath/angle.hpp>
#include <omath/mat.hpp>
#include <omath/vector3.hpp>
#include <omath/view_angles.hpp> #include <omath/view_angles.hpp>
namespace omath::iw_engine namespace omath::iw_engine
include/omath/engines/iw_engine/traits/camera_trait.hpp
+24
View File
@@ -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
include/omath/engines/iw_engine/traits/pred_engine_trait.hpp
+79
View File
@@ -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
include/omath/engines/opengl_engine/camera.hpp
+2 -9
View File
@@ -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>;
{
public:
Camera(const Vector3<float>& position, const ViewAngles& view_angles, const projection::ViewPort& view_port,
const Angle<float, 0.f, 180.f, AngleFlags::Clamped>& fov, float near, float far);
void look_at(const Vector3<float>& target) override;
[[nodiscard]] Mat4X4 calc_view_matrix() const noexcept override;
[[nodiscard]] Mat4X4 calc_projection_matrix() const noexcept override;
};
} // namespace omath::opengl_engine } // namespace omath::opengl_engine
include/omath/engines/opengl_engine/constants.hpp
+2 -2
View File
@@ -3,9 +3,9 @@
// //
#pragma once #pragma once
#include "omath/linear_algebra/mat.hpp"
#include "omath/linear_algebra/vector3.hpp"
#include <omath/angle.hpp> #include <omath/angle.hpp>
#include <omath/mat.hpp>
#include <omath/vector3.hpp>
#include <omath/view_angles.hpp> #include <omath/view_angles.hpp>
namespace omath::opengl_engine namespace omath::opengl_engine
include/omath/engines/opengl_engine/traits/camera_trait.hpp
+24
View File
@@ -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
include/omath/engines/opengl_engine/traits/pred_engine_trait.hpp
+76
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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
include/omath/engines/source_engine/camera.hpp
+2 -12
View File
@@ -4,18 +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>;
{
public:
Camera(const Vector3<float>& position, const ViewAngles& view_angles, const projection::ViewPort& view_port,
const Angle<float, 0.f, 180.f, AngleFlags::Clamped>& fov, float near, float far);
void look_at(const Vector3<float>& target) override;
protected:
[[nodiscard]] Mat4X4 calc_view_matrix() const noexcept override;
[[nodiscard]] Mat4X4 calc_projection_matrix() const noexcept override;
};
} // namespace omath::source_engine } // namespace omath::source_engine
include/omath/engines/source_engine/constants.hpp
+2 -2
View File
@@ -3,9 +3,9 @@
// //
#pragma once #pragma once
#include "omath/linear_algebra/mat.hpp"
#include "omath/linear_algebra/vector3.hpp"
#include <omath/angle.hpp> #include <omath/angle.hpp>
#include <omath/mat.hpp>
#include <omath/vector3.hpp>
#include <omath/view_angles.hpp> #include <omath/view_angles.hpp>
namespace omath::source_engine namespace omath::source_engine
include/omath/engines/source_engine/traits/camera_trait.hpp
+24
View File
@@ -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
include/omath/engines/source_engine/traits/pred_engine_trait.hpp
+79
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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
include/omath/engines/unity_engine/camera.hpp
+2 -11
View File
@@ -5,18 +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>;
{
public:
Camera(const Vector3<float>& position, const ViewAngles& view_angles, const projection::ViewPort& view_port,
const Angle<float, 0.f, 180.f, AngleFlags::Clamped>& fov, float near, float far);
void look_at(const Vector3<float>& target) override;
protected:
[[nodiscard]] Mat4X4 calc_view_matrix() const noexcept override;
[[nodiscard]] Mat4X4 calc_projection_matrix() const noexcept override;
};
} // namespace omath::unity_engine } // namespace omath::unity_engine
include/omath/engines/unity_engine/constants.hpp
+2 -2
View File
@@ -4,9 +4,9 @@
#pragma once #pragma once
#include "omath/linear_algebra/mat.hpp"
#include "omath/linear_algebra/vector3.hpp"
#include <omath/angle.hpp> #include <omath/angle.hpp>
#include <omath/mat.hpp>
#include <omath/vector3.hpp>
#include <omath/view_angles.hpp> #include <omath/view_angles.hpp>
namespace omath::unity_engine namespace omath::unity_engine
include/omath/engines/unity_engine/traits/camera_trait.hpp
+24
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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
include/omath/engines/unity_engine/traits/pred_engine_trait.hpp
+76
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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
include/omath/engines/unreal_engine/camera.hpp
+13
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@@ -0,0 +1,13 @@
//
// 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
include/omath/engines/unreal_engine/constants.hpp
+26
View File
@@ -0,0 +1,26 @@
//
// Created by Vlad on 3/22/2025.
//
#pragma once
#include "omath/linear_algebra/mat.hpp"
#include "omath/linear_algebra/vector3.hpp"
#include <omath/angle.hpp>
#include <omath/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
include/omath/engines/unreal_engine/formulas.hpp
+26
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@@ -0,0 +1,26 @@
//
// 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
include/omath/engines/unreal_engine/traits/camera_trait.hpp
+24
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@@ -0,0 +1,24 @@
//
// 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
include/omath/engines/unreal_engine/traits/pred_engine_trait.hpp
+77
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@@ -0,0 +1,77 @@
//
// 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
include/omath/mat.hpp → include/omath/linear_algebra/mat.hpp
+275 -19
View File
@@ -2,7 +2,7 @@
// Created by vlad on 9/29/2024. // Created by vlad on 9/29/2024.
// //
#pragma once #pragma once
#include "omath/vector3.hpp" #include "vector3.hpp"
#include <algorithm> #include <algorithm>
#include <array> #include <array>
#include <iomanip> #include <iomanip>
@@ -11,14 +11,12 @@
#include <stdexcept> #include <stdexcept>
#include <utility> #include <utility>
#ifdef near #ifdef OMATH_USE_AVX2
#include <immintrin.h>
#endif
#undef near #undef near
#endif
#ifdef far
#undef far #undef far
#endif
namespace omath namespace omath
{ {
struct MatSize struct MatSize
@@ -88,7 +86,7 @@ namespace omath
} }
[[nodiscard]] [[nodiscard]]
constexpr Type& operator[](const size_t row, const size_t col) const constexpr const Type& operator[](const size_t row, const size_t col) const
{ {
return at(row, col); return at(row, col);
} }
@@ -162,17 +160,19 @@ namespace omath
constexpr Mat<Rows, OtherColumns, Type, StoreType> constexpr Mat<Rows, OtherColumns, Type, StoreType>
operator*(const Mat<Columns, OtherColumns, Type, StoreType>& other) const operator*(const Mat<Columns, OtherColumns, Type, StoreType>& other) const
{ {
Mat<Rows, OtherColumns, Type, StoreType> result; #ifdef OMATH_USE_AVX2
if constexpr (StoreType == MatStoreType::ROW_MAJOR)
for (size_t i = 0; i < Rows; ++i) return avx_multiply_row_major(other);
for (size_t j = 0; j < OtherColumns; ++j) else if constexpr (StoreType == MatStoreType::COLUMN_MAJOR)
{ return avx_multiply_col_major(other);
Type sum = 0; #else
for (size_t k = 0; k < Columns; ++k) if constexpr (StoreType == MatStoreType::ROW_MAJOR)
sum += at(i, k) * other.at(k, j); return cache_friendly_multiply_row_major(other);
result.at(i, j) = sum; else if constexpr (StoreType == MatStoreType::COLUMN_MAJOR)
} return cache_friendly_multiply_col_major(other);
return result; #endif
else
std::unreachable();
} }
constexpr Mat& operator*=(const Type& f) noexcept constexpr Mat& operator*=(const Type& f) noexcept
@@ -328,6 +328,21 @@ namespace omath
return oss.str(); 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]] [[nodiscard]]
bool operator==(const Mat& mat) const bool operator==(const Mat& mat) const
{ {
@@ -374,6 +389,176 @@ namespace omath
private: private:
std::array<Type, Rows * Columns> m_data; 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]] template<class Type = float, MatStoreType St = MatStoreType::ROW_MAJOR> [[nodiscard]]
@@ -479,4 +664,75 @@ namespace omath
{0.f, 0.f, -(far + near) / (far - near), -(2.f * near * far) / (far - near)}, {0.f, 0.f, -(far + near) / (far - near), -(2.f * near * far) / (far - near)},
{0.f, 0.f, -1.f, 0.f}}; {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 } // 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());
}
};
include/omath/vector2.hpp → include/omath/linear_algebra/vector2.hpp
+56 -4
View File
@@ -4,6 +4,7 @@
#pragma once #pragma once
#include <cmath> #include <cmath>
#include <format>
#include <tuple> #include <tuple>
#ifdef OMATH_IMGUI_INTEGRATION #ifdef OMATH_IMGUI_INTEGRATION
@@ -142,7 +143,7 @@ namespace omath
[[nodiscard]] Vector2 normalized() const noexcept [[nodiscard]] Vector2 normalized() const noexcept
{ {
const Type len = length(); const Type len = length();
return len > 0.f ? *this / len : *this; return len > static_cast<Type>(0) ? *this / len : *this;
} }
#endif #endif
[[nodiscard]] constexpr Type length_sqr() const noexcept [[nodiscard]] constexpr Type length_sqr() const noexcept
@@ -153,8 +154,8 @@ namespace omath
constexpr Vector2& abs() noexcept constexpr Vector2& abs() noexcept
{ {
// FIXME: Replace with std::abs, if it will become constexprable // FIXME: Replace with std::abs, if it will become constexprable
x = x < 0 ? -x : x; x = x < static_cast<Type>(0) ? -x : x;
y = y < 0 ? -y : y; y = y < static_cast<Type>(0) ? -y : y;
return *this; return *this;
} }
@@ -190,18 +191,69 @@ namespace omath
return x + y; 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]] [[nodiscard]]
constexpr std::tuple<Type, Type> as_tuple() const noexcept constexpr std::tuple<Type, Type> as_tuple() const noexcept
{ {
return std::make_tuple(x, y); return std::make_tuple(x, y);
} }
#ifdef OMATH_IMGUI_INTEGRATION #ifdef OMATH_IMGUI_INTEGRATION
[[nodiscard]] [[nodiscard]]
ImVec2 to_im_vec2() const noexcept ImVec2 to_im_vec2() const noexcept
{ {
return {static_cast<float>(this->x), static_cast<float>(this->y)}; 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 #endif
}; };
} // namespace omath } // namespace omath
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);
}
};
include/omath/vector3.hpp → include/omath/linear_algebra/vector3.hpp
+56 -11
View File
@@ -5,7 +5,7 @@
#pragma once #pragma once
#include "omath/angle.hpp" #include "omath/angle.hpp"
#include "omath/vector2.hpp" #include "omath/linear_algebra/vector2.hpp"
#include <cstdint> #include <cstdint>
#include <expected> #include <expected>
#include <functional> #include <functional>
@@ -151,7 +151,7 @@ namespace omath
{ {
const Type len = this->length(); const Type len = this->length();
return len != 0 ? *this / len : *this; return len != static_cast<Type>(0) ? *this / len : *this;
} }
[[nodiscard]] Type length_2d() const noexcept [[nodiscard]] Type length_2d() const noexcept
@@ -159,9 +159,9 @@ namespace omath
return Vector2<Type>::length(); return Vector2<Type>::length();
} }
[[nodiscard]] Type distance_to(const Vector3& vOther) const noexcept [[nodiscard]] Type distance_to(const Vector3& v_other) const noexcept
{ {
return (*this - vOther).length(); return (*this - v_other).length();
} }
#endif #endif
@@ -221,7 +221,7 @@ namespace omath
{ {
const auto bottom = length() * other.length(); const auto bottom = length() * other.length();
if (bottom == 0.f) if (bottom == static_cast<Type>(0))
return std::unexpected(Vector3Error::IMPOSSIBLE_BETWEEN_ANGLE); return std::unexpected(Vector3Error::IMPOSSIBLE_BETWEEN_ANGLE);
return Angle<float, 0.f, 180.f, AngleFlags::Clamped>::from_radians(std::acos(dot(other) / bottom)); return Angle<float, 0.f, 180.f, AngleFlags::Clamped>::from_radians(std::acos(dot(other) / bottom));
@@ -230,7 +230,7 @@ namespace omath
[[nodiscard]] bool is_perpendicular(const Vector3& other) const noexcept [[nodiscard]] bool is_perpendicular(const Vector3& other) const noexcept
{ {
if (const auto angle = angle_between(other)) if (const auto angle = angle_between(other))
return angle->as_degrees() == 90.f; return angle->as_degrees() == static_cast<Type>(90);
return false; return false;
} }
@@ -253,12 +253,34 @@ namespace omath
return {angles::radians_to_degrees(std::asin(delta.z / distance)), return {angles::radians_to_degrees(std::asin(delta.z / distance)),
angles::radians_to_degrees(std::atan2(delta.y, delta.x)), 0}; angles::radians_to_degrees(std::atan2(delta.y, delta.x)), 0};
} }
[[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 } // namespace omath
// ReSharper disable once CppRedundantNamespaceDefinition
namespace std template<> struct std::hash<omath::Vector3<float>>
{
template<> struct hash<omath::Vector3<float>>
{ {
std::size_t operator()(const omath::Vector3<float>& vec) const noexcept std::size_t operator()(const omath::Vector3<float>& vec) const noexcept
{ {
@@ -272,4 +294,27 @@ namespace std
return hash; return hash;
} }
}; };
} // namespace std
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);
}
};
include/omath/vector4.hpp → include/omath/linear_algebra/vector4.hpp
+55 -3
View File
@@ -4,7 +4,7 @@
#pragma once #pragma once
#include <algorithm> #include <algorithm>
#include <omath/vector3.hpp> #include "omath/linear_algebra/vector3.hpp"
namespace omath namespace omath
{ {
@@ -18,7 +18,7 @@ namespace omath
constexpr Vector4(const Type& x, const Type& y, const Type& z, const Type& w): Vector3<Type>(x, y, z), w(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(0) {}; constexpr Vector4() noexcept: Vector3<Type>(), w(static_cast<Type>(0)) {};
[[nodiscard]] [[nodiscard]]
constexpr bool operator==(const Vector4& other) const noexcept constexpr bool operator==(const Vector4& other) const noexcept
@@ -89,7 +89,7 @@ namespace omath
return Vector3<Type>::dot(other) + w * other.w; return Vector3<Type>::dot(other) + w * other.w;
} }
[[nodiscard]] Vector3<Type> length() const noexcept [[nodiscard]] Type length() const noexcept
{ {
return std::sqrt(length_sqr()); return std::sqrt(length_sqr());
} }
@@ -158,6 +158,30 @@ namespace omath
return Vector3<Type>::sum() + w; 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 #ifdef OMATH_IMGUI_INTEGRATION
[[nodiscard]] [[nodiscard]]
ImVec4 to_im_vec4() const noexcept ImVec4 to_im_vec4() const noexcept
@@ -169,6 +193,34 @@ namespace omath
static_cast<float>(w), 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 #endif
}; };
} // namespace omath } // namespace omath
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);
}
};
include/omath/matrix.hpp
-108
View File
@@ -1,108 +0,0 @@
#pragma once
#include "omath/vector3.hpp"
#include <initializer_list>
#include <memory>
#include <string>
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 to_screen_matrix(float screen_width, float screen_height);
[[nodiscard]]
static Matrix translation_matrix(const Vector3<float>& diff);
[[nodiscard]]
static Matrix orientation_matrix(const Vector3<float>& forward, const Vector3<float>& right,
const Vector3<float>& up);
[[nodiscard]]
static Matrix projection_matrix(float field_of_view, float aspect_ratio, float near, float far);
Matrix(const Matrix& other);
Matrix(size_t rows, size_t columns, const float* raw_data);
Matrix(Matrix&& other) noexcept;
[[nodiscard]]
size_t row_count() const noexcept;
[[nodiscard]]
float& operator[](size_t row, size_t column);
[[nodiscard]]
size_t columns_count() const noexcept;
[[nodiscard]]
std::pair<size_t, size_t> size() const noexcept;
[[nodiscard]]
float& at(size_t row, size_t col);
[[nodiscard]]
float sum();
void set_data_from_raw(const float* raw_matrix);
[[nodiscard]]
Matrix transpose() const;
void set(float val);
[[nodiscard]]
const float& at(size_t row, size_t col) 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 alg_complement(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 to_string() const;
~Matrix();
private:
size_t m_rows;
size_t m_columns;
std::unique_ptr<float[]> m_data;
};
} // namespace omath
include/omath/omath.hpp
+84
View File
@@ -0,0 +1,84 @@
//
// omath.hpp - Main header file that includes all omath library components
// Created for the omath library
//
#pragma once
// Basic math utilities
#include "omath/angles.hpp"
#include "omath/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/color.hpp"
// Geometric primitives
#include "omath/triangle.hpp"
#include "omath/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"
// 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"
include/omath/pathfinding/a_star.hpp
+1 -1
View File
@@ -3,8 +3,8 @@
// //
#pragma once #pragma once
#include "omath/linear_algebra/vector3.hpp"
#include "omath/pathfinding/navigation_mesh.hpp" #include "omath/pathfinding/navigation_mesh.hpp"
#include "omath/vector3.hpp"
#include <vector> #include <vector>
namespace omath::pathfinding namespace omath::pathfinding
include/omath/pathfinding/navigation_mesh.hpp
+1 -1
View File
@@ -4,7 +4,7 @@
#pragma once #pragma once
#include "omath/vector3.hpp" #include "omath/linear_algebra/vector3.hpp"
#include <expected> #include <expected>
#include <string> #include <string>
#include <vector> #include <vector>
include/omath/projectile_prediction/proj_pred_engine.hpp
+3 -3
View File
@@ -2,18 +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>> maybe_calculate_aim_point(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
include/omath/projectile_prediction/proj_pred_engine_avx2.hpp
+1 -1
View File
@@ -6,7 +6,7 @@
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>> [[nodiscard]] std::optional<Vector3<float>>
include/omath/projectile_prediction/proj_pred_engine_legacy.hpp
+103 -7
View File
@@ -4,23 +4,76 @@
#pragma once #pragma once
#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> #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 gravity_constant, float simulation_time_step, float maximum_simulation_time, explicit ProjPredEngineLegacy(const float gravity_constant, const float simulation_time_step,
float distance_tolerance); 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>> maybe_calculate_aim_point(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_gravity_constant; const float m_gravity_constant;
@@ -28,13 +81,56 @@ namespace omath::projectile_prediction
const float m_maximum_simulation_time; const float m_maximum_simulation_time;
const float m_distance_tolerance; 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> std::optional<float>
maybe_calculate_projectile_launch_pitch_angle(const Projectile& projectile, maybe_calculate_projectile_launch_pitch_angle(const Projectile& projectile,
const Vector3<float>& target_position) const noexcept; 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 is_projectile_reached_target(const Vector3<float>& target_position, const Projectile& projectile, bool is_projectile_reached_target(const Vector3<float>& target_position, const Projectile& projectile,
float pitch, float time) const noexcept; 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
include/omath/projectile_prediction/projectile.hpp
+1 -4
View File
@@ -3,16 +3,13 @@
// //
#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> predict_position(float pitch, float yaw, float time, float gravity) const noexcept;
Vector3<float> m_origin; Vector3<float> m_origin;
float m_launch_speed{}; float m_launch_speed{};
float m_gravity_scale{}; float m_gravity_scale{};
include/omath/projectile_prediction/target.hpp
+1 -12
View File
@@ -3,24 +3,13 @@
// //
#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> predict_position(const float time, const float gravity) const noexcept
{
auto predicted = m_origin + m_velocity * time;
if (m_is_airborne)
predicted.z -= gravity * (time*time) * 0.5f;
return predicted;
}
Vector3<float> m_origin; Vector3<float> m_origin;
Vector3<float> m_velocity; Vector3<float> m_velocity;
bool m_is_airborne{}; bool m_is_airborne{};
include/omath/projection/camera.hpp
+88 -12
View File
@@ -4,13 +4,18 @@
#pragma once #pragma once
#include "omath/linear_algebra/mat.hpp"
#include "omath/linear_algebra/vector3.hpp"
#include "omath/projection/error_codes.hpp" #include "omath/projection/error_codes.hpp"
#include <expected> #include <expected>
#include <omath/angle.hpp> #include <omath/angle.hpp>
#include <omath/mat.hpp>
#include <omath/vector3.hpp>
#include <type_traits> #include <type_traits>
#ifdef OMATH_BUILD_TESTS
// ReSharper disable once CppInconsistentNaming
class UnitTestProjection_Projection_Test;
#endif
namespace omath::projection namespace omath::projection
{ {
class ViewPort final class ViewPort final
@@ -26,11 +31,30 @@ namespace omath::projection
}; };
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; ~Camera() = default;
Camera(const Vector3<float>& position, const ViewAnglesType& view_angles, const ViewPort& view_port, Camera(const Vector3<float>& position, const ViewAnglesType& view_angles, const ViewPort& view_port,
const FieldOfView& fov, const float near, const float far) noexcept 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_port(view_port), m_field_of_view(fov), m_far_plane_distance(far), m_near_plane_distance(near),
@@ -38,16 +62,18 @@ namespace omath::projection
{ {
} }
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 look_at(const Vector3<float>& target) = 0;
[[nodiscard]] virtual Mat4X4Type calc_view_matrix() const noexcept = 0;
[[nodiscard]] virtual Mat4X4Type calc_projection_matrix() const noexcept = 0;
[[nodiscard]] Mat4X4Type calc_view_projection_matrix() const noexcept [[nodiscard]] Mat4X4Type calc_view_projection_matrix() const noexcept
{ {
return calc_projection_matrix() * calc_view_matrix(); 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:
@@ -147,6 +173,38 @@ namespace omath::projection
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_view_port{}; ViewPort m_view_port{};
@@ -169,7 +227,25 @@ namespace omath::projection
[[nodiscard]] Vector3<float> ndc_to_screen_position(const Vector3<float>& ndc) const noexcept [[nodiscard]] Vector3<float> ndc_to_screen_position(const Vector3<float>& ndc) const noexcept
{ {
/*
^
| y
1 |
|
|
-1 ---------0--------- 1 --> x
|
|
-1 |
v
*/
return {(ndc.x + 1.f) / 2.f * m_view_port.m_width, (1.f - ndc.y) / 2.f * m_view_port.m_height, ndc.z}; return {(ndc.x + 1.f) / 2.f * m_view_port.m_width, (1.f - ndc.y) / 2.f * 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
include/omath/projection/error_codes.hpp
+1
View File
@@ -10,5 +10,6 @@ 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,
}; };
} }
include/omath/triangle.hpp
+1 -1
View File
@@ -2,7 +2,7 @@
// Created by Orange on 11/13/2024. // Created by Orange on 11/13/2024.
// //
#pragma once #pragma once
#include "omath/vector3.hpp" #include "linear_algebra/vector3.hpp"
namespace omath namespace omath
{ {
source/3d_primitives/plane.cpp
+19
View File
@@ -0,0 +1,19 @@
//
// Created by Vlad on 8/28/2025.
//
#include "omath/3d_primitives/plane.hpp"
namespace omath::primitives
{
std::array<Triangle<Vector3<float>>, 2> create_plane(const Vector3<float>& vertex_a,
const Vector3<float>& vertex_b,
const Vector3<float>& direction, const float size) noexcept
{
const auto second_vertex_a = vertex_a + direction * size;
return std::array
{
Triangle{second_vertex_a, vertex_a, vertex_b},
Triangle{second_vertex_a, vertex_b + direction * size, vertex_b}
};
}
} // namespace omath::primitives
source/collision/line_tracer.cpp
+3 -5
View File
@@ -50,12 +50,10 @@ namespace omath::collision
const auto t_hit = side_b.dot(q) * inv_det; const auto t_hit = side_b.dot(q) * inv_det;
if (ray.infinite_length) if (ray.infinite_length && t_hit <= k_epsilon)
{
if (t_hit <= k_epsilon)
return ray.end; return ray.end;
}
else if (t_hit <= k_epsilon || t_hit > 1.0f - k_epsilon) if (t_hit <= k_epsilon || t_hit > 1.0f - k_epsilon)
return ray.end; return ray.end;
return ray.start + ray_dir * t_hit; return ray.start + ray_dir * t_hit;
source/engines/iw_engine/camera.cpp
-33
View File
@@ -1,33 +0,0 @@
//
// Created by Vlad on 3/17/2025.
//
#include "omath/engines/iw_engine/camera.hpp"
#include "omath/engines/iw_engine/formulas.hpp"
namespace omath::iw_engine
{
Camera::Camera(const Vector3<float>& position, const ViewAngles& view_angles, const projection::ViewPort& view_port,
const Angle<float, 0.f, 180.f, AngleFlags::Clamped>& fov, const float near, const float far)
: projection::Camera<Mat4X4, ViewAngles>(position, view_angles, view_port, fov, near, far)
{
}
void Camera::look_at([[maybe_unused]] const Vector3<float>& target)
{
const float distance = m_origin.distance_to(target);
const auto delta = target - m_origin;
m_view_angles.pitch = PitchAngle::from_radians(std::asin(delta.z / distance));
m_view_angles.yaw = -YawAngle::from_radians(std::atan2(delta.y, delta.x));
m_view_angles.roll = RollAngle::from_radians(0.f);
}
Mat4X4 Camera::calc_view_matrix() const noexcept
{
return iw_engine::calc_view_matrix(m_view_angles, m_origin);
}
Mat4X4 Camera::calc_projection_matrix() const noexcept
{
return calc_perspective_projection_matrix(m_field_of_view.as_degrees(), m_view_port.aspect_ratio(),
m_near_plane_distance, m_far_plane_distance);
}
} // namespace omath::iw_engine
source/engines/iw_engine/traits/camera_trait.cpp
+26
View File
@@ -0,0 +1,26 @@
//
// Created by Vlad on 8/11/2025.
//
#include "omath/engines/iw_engine/traits/camera_trait.hpp"
#include "omath/engines/iw_engine/formulas.hpp"
namespace omath::iw_engine
{
ViewAngles CameraTrait::calc_look_at_angle(const Vector3<float>& cam_origin, const Vector3<float>& look_at) noexcept
{
const auto direction = (look_at - cam_origin).normalized();
return {PitchAngle::from_radians(-std::asin(direction.z)),
YawAngle::from_radians(std::atan2(direction.y, direction.x)), RollAngle::from_radians(0.f)};
}
Mat4X4 CameraTrait::calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept
{
return iw_engine::calc_view_matrix(angles, cam_origin);
}
Mat4X4 CameraTrait::calc_projection_matrix(const projection::FieldOfView& fov,
const projection::ViewPort& view_port, const float near,
const float far) noexcept
{
return calc_perspective_projection_matrix(fov.as_degrees(), view_port.aspect_ratio(), near, far);
}
} // namespace omath::iw_engine
source/engines/opengl_engine/camera.cpp
-33
View File
@@ -1,33 +0,0 @@
//
// Created by Orange on 12/23/2024.
//
#include "omath/engines/opengl_engine/camera.hpp"
#include "omath/engines/opengl_engine/formulas.hpp"
namespace omath::opengl_engine
{
Camera::Camera(const Vector3<float>& position, const ViewAngles& view_angles, const projection::ViewPort& view_port,
const Angle<float, 0.f, 180.f, AngleFlags::Clamped>& fov, const float near, const float far)
: projection::Camera<Mat4X4, ViewAngles>(position, view_angles, view_port, fov, near, far)
{
}
void Camera::look_at([[maybe_unused]] const Vector3<float>& target)
{
const float distance = m_origin.distance_to(target);
const auto delta = target - m_origin;
m_view_angles.pitch = PitchAngle::from_radians(std::asin(delta.z / distance));
m_view_angles.yaw = -YawAngle::from_radians(std::atan2(delta.y, delta.x));
m_view_angles.roll = RollAngle::from_radians(0.f);
}
Mat4X4 Camera::calc_view_matrix() const noexcept
{
return opengl_engine::calc_view_matrix(m_view_angles, m_origin);
}
Mat4X4 Camera::calc_projection_matrix() const noexcept
{
return calc_perspective_projection_matrix(m_field_of_view.as_degrees(), m_view_port.aspect_ratio(),
m_near_plane_distance, m_far_plane_distance);
}
} // namespace omath::opengl_engine
source/engines/opengl_engine/formulas.cpp
+4 -5
View File
@@ -28,14 +28,13 @@ namespace omath::opengl_engine
} }
Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept
{ {
return mat_camera_view<float, MatStoreType::COLUMN_MAJOR>(-forward_vector(angles), right_vector(angles), return mat_look_at_right_handed(cam_origin, cam_origin+forward_vector(angles), up_vector(angles));
up_vector(angles), cam_origin);
} }
Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept
{ {
return mat_rotation_axis_x<float, MatStoreType::COLUMN_MAJOR>(-angles.pitch) return mat_rotation_axis_z<float, MatStoreType::COLUMN_MAJOR>(angles.roll)
* mat_rotation_axis_y<float, MatStoreType::COLUMN_MAJOR>(-angles.yaw) * mat_rotation_axis_y<float, MatStoreType::COLUMN_MAJOR>(angles.yaw)
* mat_rotation_axis_z<float, MatStoreType::COLUMN_MAJOR>(angles.roll); * mat_rotation_axis_x<float, MatStoreType::COLUMN_MAJOR>(angles.pitch);
} }
Mat4X4 calc_perspective_projection_matrix(const float field_of_view, const float aspect_ratio, const float near, Mat4X4 calc_perspective_projection_matrix(const float field_of_view, const float aspect_ratio, const float near,
const float far) noexcept const float far) noexcept
source/engines/opengl_engine/traits/camera_trait.cpp
+27
View File
@@ -0,0 +1,27 @@
//
// Created by Vlad on 8/11/2025.
//
#include "omath/engines/opengl_engine/traits/camera_trait.hpp"
#include "omath/engines/opengl_engine/formulas.hpp"
namespace omath::opengl_engine
{
ViewAngles CameraTrait::calc_look_at_angle(const Vector3<float>& cam_origin, const Vector3<float>& look_at) noexcept
{
const auto direction = (look_at - cam_origin).normalized();
return {PitchAngle::from_radians(std::asin(direction.y)),
YawAngle::from_radians(-std::atan2(direction.x, -direction.z)), RollAngle::from_radians(0.f)};
}
Mat4X4 CameraTrait::calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept
{
return opengl_engine::calc_view_matrix(angles, cam_origin);
}
Mat4X4 CameraTrait::calc_projection_matrix(const projection::FieldOfView& fov,
const projection::ViewPort& view_port, const float near,
const float far) noexcept
{
return calc_perspective_projection_matrix(fov.as_degrees(), view_port.aspect_ratio(), near, far);
}
} // namespace omath::opengl_engine
source/engines/source_engine/camera.cpp
-35
View File
@@ -1,35 +0,0 @@
//
// Created by Orange on 12/4/2024.
//
#include "omath/engines/source_engine/camera.hpp"
#include "omath/engines/source_engine/formulas.hpp"
namespace omath::source_engine
{
Camera::Camera(const Vector3<float>& position, const ViewAngles& view_angles, const projection::ViewPort& view_port,
const projection::FieldOfView& fov, const float near, const float far)
: projection::Camera<Mat4X4, ViewAngles>(position, view_angles, view_port, fov, near, far)
{
}
void Camera::look_at(const Vector3<float>& target)
{
const float distance = m_origin.distance_to(target);
const auto delta = target - m_origin;
m_view_angles.pitch = PitchAngle::from_radians(std::asin(delta.z / distance));
m_view_angles.yaw = -YawAngle::from_radians(std::atan2(delta.y, delta.x));
m_view_angles.roll = RollAngle::from_radians(0.f);
}
Mat4X4 Camera::calc_view_matrix() const noexcept
{
return source_engine::calc_view_matrix(m_view_angles, m_origin);
}
Mat4X4 Camera::calc_projection_matrix() const noexcept
{
return calc_perspective_projection_matrix(m_field_of_view.as_degrees(), m_view_port.aspect_ratio(),
m_near_plane_distance, m_far_plane_distance);
}
} // namespace omath::source_engine
source/engines/source_engine/traits/camera_trait.cpp
+27
View File
@@ -0,0 +1,27 @@
//
// Created by Vlad on 8/11/2025.
//
#include "omath/engines/source_engine/traits/camera_trait.hpp"
#include "omath/engines/source_engine/formulas.hpp"
namespace omath::source_engine
{
ViewAngles CameraTrait::calc_look_at_angle(const Vector3<float>& cam_origin, const Vector3<float>& look_at) noexcept
{
const auto direction = (look_at - cam_origin).normalized();
return {PitchAngle::from_radians(-std::asin(direction.z)),
YawAngle::from_radians(std::atan2(direction.y, direction.x)), RollAngle::from_radians(0.f)};
}
Mat4X4 CameraTrait::calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept
{
return source_engine::calc_view_matrix(angles, cam_origin);
}
Mat4X4 CameraTrait::calc_projection_matrix(const projection::FieldOfView& fov,
const projection::ViewPort& view_port, const float near,
const float far) noexcept
{
return calc_perspective_projection_matrix(fov.as_degrees(), view_port.aspect_ratio(), near, far);
}
} // namespace omath::source_engine
source/engines/unity_engine/camera.cpp
-27
View File
@@ -1,27 +0,0 @@
//
// Created by Vlad on 3/22/2025.
//
#include <omath/engines/unity_engine/camera.hpp>
#include <omath/engines/unity_engine/formulas.hpp>
namespace omath::unity_engine
{
Camera::Camera(const Vector3<float>& position, const ViewAngles& view_angles, const projection::ViewPort& view_port,
const projection::FieldOfView& fov, const float near, const float far)
: projection::Camera<Mat4X4, ViewAngles>(position, view_angles, view_port, fov, near, far)
{
}
void Camera::look_at([[maybe_unused]] const Vector3<float>& target)
{
throw std::runtime_error("Not implemented");
}
Mat4X4 Camera::calc_view_matrix() const noexcept
{
return unity_engine::calc_view_matrix(m_view_angles, m_origin);
}
Mat4X4 Camera::calc_projection_matrix() const noexcept
{
return calc_perspective_projection_matrix(m_field_of_view.as_degrees(), m_view_port.aspect_ratio(),
m_near_plane_distance, m_far_plane_distance);
}
} // namespace omath::unity_engine
source/engines/unity_engine/formulas.cpp
+2 -2
View File
@@ -30,9 +30,9 @@ namespace omath::unity_engine
} }
Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept
{ {
return mat_rotation_axis_x<float, MatStoreType::ROW_MAJOR>(angles.pitch) return mat_rotation_axis_z<float, MatStoreType::ROW_MAJOR>(angles.roll)
* mat_rotation_axis_y<float, MatStoreType::ROW_MAJOR>(angles.yaw) * mat_rotation_axis_y<float, MatStoreType::ROW_MAJOR>(angles.yaw)
* mat_rotation_axis_z<float, MatStoreType::ROW_MAJOR>(angles.roll); * mat_rotation_axis_x<float, MatStoreType::ROW_MAJOR>(angles.pitch);
} }
Mat4X4 calc_perspective_projection_matrix(const float field_of_view, const float aspect_ratio, const float near, Mat4X4 calc_perspective_projection_matrix(const float field_of_view, const float aspect_ratio, const float near,
const float far) noexcept const float far) noexcept
source/engines/unity_engine/traits/camera_trait.cpp
+26
View File
@@ -0,0 +1,26 @@
//
// Created by Vlad on 8/11/2025.
//
#include "omath/engines/unity_engine/traits/camera_trait.hpp"
namespace omath::unity_engine
{
ViewAngles CameraTrait::calc_look_at_angle(const Vector3<float>& cam_origin, const Vector3<float>& look_at) noexcept
{
const auto direction = (look_at - cam_origin).normalized();
return {PitchAngle::from_radians(-std::asin(direction.y)),
YawAngle::from_radians(std::atan2(direction.x, direction.z)), RollAngle::from_radians(0.f)};
}
Mat4X4 CameraTrait::calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept
{
return unity_engine::calc_view_matrix(angles, cam_origin);
}
Mat4X4 CameraTrait::calc_projection_matrix(const projection::FieldOfView& fov,
const projection::ViewPort& view_port, const float near,
const float far) noexcept
{
return calc_perspective_projection_matrix(fov.as_degrees(), view_port.aspect_ratio(), near, far);
}
} // namespace omath::unity_engine
source/engines/unreal_engine/formulas.cpp
+49
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@@ -0,0 +1,49 @@
//
// Created by Vlad on 3/22/2025.
//
#include "omath/engines/unreal_engine/formulas.hpp"
namespace omath::unreal_engine
{
Vector3<float> forward_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_forward);
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
Vector3<float> right_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_right);
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
Vector3<float> up_vector(const ViewAngles& angles) noexcept
{
const auto vec = rotation_matrix(angles) * mat_column_from_vector(k_abs_up);
return {vec.at(0, 0), vec.at(1, 0), vec.at(2, 0)};
}
Mat4X4 calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept
{
return mat_camera_view<float, MatStoreType::ROW_MAJOR>(forward_vector(angles), -right_vector(angles),
up_vector(angles), cam_origin);
}
Mat4X4 rotation_matrix(const ViewAngles& angles) noexcept
{
return mat_rotation_axis_x<float, MatStoreType::ROW_MAJOR>(angles.roll)
* mat_rotation_axis_z<float, MatStoreType::ROW_MAJOR>(angles.yaw)
* mat_rotation_axis_y<float, MatStoreType::ROW_MAJOR>(angles.pitch);
}
Mat4X4 calc_perspective_projection_matrix(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, 0, 0},
{0, 1.f / (fov_half_tan), 0, 0},
{0, 0, (far + near) / (far - near), -(2.f * far * near) / (far - near)},
{0, 0, -1.f, 0},
};
}
} // namespace omath::unreal_engine
source/engines/unreal_engine/traits/camera_trait.cpp
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@@ -0,0 +1,26 @@
//
// Created by Vlad on 8/11/2025.
//
#include "omath/engines/unreal_engine/traits/camera_trait.hpp"
namespace omath::unreal_engine
{
ViewAngles CameraTrait::calc_look_at_angle(const Vector3<float>& cam_origin, const Vector3<float>& look_at) noexcept
{
const auto direction = (look_at - cam_origin).normalized();
return {PitchAngle::from_radians(-std::asin(direction.z)),
YawAngle::from_radians(std::atan2(direction.y, direction.x)), RollAngle::from_radians(0.f)};
}
Mat4X4 CameraTrait::calc_view_matrix(const ViewAngles& angles, const Vector3<float>& cam_origin) noexcept
{
return unreal_engine::calc_view_matrix(angles, cam_origin);
}
Mat4X4 CameraTrait::calc_projection_matrix(const projection::FieldOfView& fov,
const projection::ViewPort& view_port, const float near,
const float far) noexcept
{
return calc_perspective_projection_matrix(fov.as_degrees(), view_port.aspect_ratio(), near, far);
}
} // namespace omath::unreal_engine
source/matrix.cpp
-361
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@@ -1,361 +0,0 @@
#include "omath/matrix.hpp"
#include "omath/angles.hpp"
#include "omath/vector3.hpp"
#include <complex>
#include <format>
#include <stdexcept>
#include <utility>
namespace omath
{
Matrix::Matrix(const size_t rows, const size_t columns)
{
if (rows == 0 and columns == 0)
throw std::runtime_error("Matrix cannot be 0x0");
m_rows = rows;
m_columns = columns;
m_data = std::make_unique<float[]>(m_rows * m_columns);
set(0.f);
}
Matrix::Matrix(const std::initializer_list<std::initializer_list<float>>& rows)
{
m_rows = rows.size();
m_columns = rows.begin()->size();
for (const auto& row: rows)
if (row.size() != m_columns)
throw std::invalid_argument("All rows must have the same number of columns.");
m_data = std::make_unique<float[]>(m_rows * m_columns);
size_t i = 0;
for (const auto& row: rows)
{
size_t j = 0;
for (const auto& value: row)
at(i, j++) = value;
++i;
}
}
Matrix::Matrix(const Matrix& other)
{
m_rows = other.m_rows;
m_columns = other.m_columns;
m_data = std::make_unique<float[]>(m_rows * m_columns);
for (size_t i = 0; i < m_rows; ++i)
for (size_t j = 0; j < m_columns; ++j)
at(i, j) = other.at(i, j);
}
Matrix::Matrix(const size_t rows, const size_t columns, const float* raw_data)
{
m_rows = rows;
m_columns = columns;
m_data = std::make_unique<float[]>(m_rows * m_columns);
for (size_t i = 0; i < rows * columns; ++i)
at(i / rows, i % columns) = raw_data[i];
}
size_t Matrix::row_count() const noexcept
{
return m_rows;
}
float& Matrix::operator[](const size_t row, const size_t column)
{
return at(row, column);
}
Matrix::Matrix(Matrix&& other) noexcept
{
m_rows = other.m_rows;
m_columns = other.m_columns;
m_data = std::move(other.m_data);
other.m_rows = 0;
other.m_columns = 0;
other.m_data = nullptr;
}
size_t Matrix::columns_count() const noexcept
{
return m_columns;
}
std::pair<size_t, size_t> Matrix::size() const noexcept
{
return {row_count(), columns_count()};
}
float& Matrix::at(const size_t row, const size_t col)
{
return const_cast<float&>(std::as_const(*this).at(row, col));
}
float Matrix::sum()
{
float sum = 0;
for (size_t i = 0; i < row_count(); i++)
for (size_t j = 0; j < columns_count(); j++)
sum += at(i, j);
return sum;
}
const float& Matrix::at(const size_t row, const size_t col) const
{
return m_data[row * m_columns + col];
}
Matrix Matrix::operator*(const Matrix& other) const
{
if (m_columns != other.m_rows)
throw std::runtime_error("n != m");
auto out_mat = Matrix(m_rows, other.m_columns);
for (size_t d = 0; d < m_rows; ++d)
for (size_t i = 0; i < other.m_columns; ++i)
for (size_t j = 0; j < other.m_rows; ++j)
out_mat.at(d, i) += at(d, j) * other.at(j, i);
return out_mat;
}
Matrix& Matrix::operator*=(const Matrix& other)
{
*this = *this * other;
return *this;
}
Matrix Matrix::operator*(const float f) const
{
auto out = *this;
for (size_t i = 0; i < m_rows; ++i)
for (size_t j = 0; j < m_columns; ++j)
out.at(i, j) *= f;
return out;
}
Matrix& Matrix::operator*=(const float f)
{
for (size_t i = 0; i < row_count(); i++)
for (size_t j = 0; j < columns_count(); j++)
at(i, j) *= f;
return *this;
}
void Matrix::clear()
{
set(0.f);
}
Matrix& Matrix::operator=(const Matrix& other)
{
if (this == &other)
return *this;
for (size_t i = 0; i < m_rows; ++i)
for (size_t j = 0; j < m_columns; ++j)
at(i, j) = other.at(i, j);
return *this;
}
Matrix& Matrix::operator=(Matrix&& other) noexcept
{
if (this == &other)
return *this;
m_rows = other.m_rows;
m_columns = other.m_columns;
m_data = std::move(other.m_data);
other.m_rows = 0;
other.m_columns = 0;
return *this;
}
Matrix& Matrix::operator/=(const float f)
{
for (size_t i = 0; i < m_rows; ++i)
for (size_t j = 0; j < m_columns; ++j)
at(i, j) /= f;
return *this;
}
Matrix Matrix::operator/(const float f) const
{
auto out = *this;
for (size_t i = 0; i < m_rows; ++i)
for (size_t j = 0; j < m_columns; ++j)
out.at(i, j) /= f;
return out;
}
std::string Matrix::to_string() const
{
std::string str;
for (size_t i = 0; i < m_rows; i++)
{
for (size_t j = 0; j < m_columns; ++j)
{
str += std::format("{:.1f}", at(i, j));
if (j == m_columns - 1)
str += '\n';
else
str += ' ';
}
}
return str;
}
float Matrix::determinant() const // NOLINT(*-no-recursion)
{
if (m_rows + m_columns == 2)
return at(0, 0);
if (m_rows == 2 and m_columns == 2)
return at(0, 0) * at(1, 1) - at(0, 1) * at(1, 0);
float det = 0;
for (size_t i = 0; i < m_columns; i++)
det += alg_complement(0, i) * at(0, i);
return det;
}
float Matrix::alg_complement(const size_t i, const size_t j) const // NOLINT(*-no-recursion)
{
const auto tmp = minor(i, j);
return ((i + j + 2) % 2 == 0) ? tmp : -tmp;
}
Matrix Matrix::transpose() const
{
Matrix transposed = {m_columns, m_rows};
for (size_t i = 0; i < m_rows; ++i)
for (size_t j = 0; j < m_columns; ++j)
transposed.at(j, i) = at(i, j);
return transposed;
}
Matrix::~Matrix() = default;
void Matrix::set(const float val)
{
for (size_t i = 0; i < m_rows; ++i)
for (size_t j = 0; j < m_columns; ++j)
at(i, j) = val;
}
Matrix Matrix::strip(const size_t row, const size_t column) const
{
Matrix stripped = {m_rows - 1, m_columns - 1};
size_t strip_row_index = 0;
for (size_t i = 0; i < m_rows; i++)
{
if (i == row)
continue;
size_t strip_column_index = 0;
for (size_t j = 0; j < m_columns; ++j)
{
if (j == column)
continue;
stripped.at(strip_row_index, strip_column_index) = at(i, j);
strip_column_index++;
}
strip_row_index++;
}
return stripped;
}
float Matrix::minor(const size_t i, const size_t j) const // NOLINT(*-no-recursion)
{
return strip(i, j).determinant();
}
Matrix Matrix::to_screen_matrix(const float screen_width, const float screen_height)
{
return {
{screen_width / 2.f, 0.f, 0.f, 0.f},
{0.f, -screen_height / 2.f, 0.f, 0.f},
{0.f, 0.f, 1.f, 0.f},
{screen_width / 2.f, screen_height / 2.f, 0.f, 1.f},
};
}
Matrix Matrix::translation_matrix(const Vector3<float>& diff)
{
return {
{1.f, 0.f, 0.f, 0.f},
{0.f, 1.f, 0.f, 0.f},
{0.f, 0.f, 1.f, 0.f},
{diff.x, diff.y, diff.z, 1.f},
};
}
Matrix Matrix::orientation_matrix(const Vector3<float>& forward, const Vector3<float>& right,
const Vector3<float>& up)
{
return {
{right.x, up.x, forward.x, 0.f},
{right.y, up.y, forward.y, 0.f},
{right.z, up.z, forward.z, 0.f},
{0.f, 0.f, 0.f, 1.f},
};
}
Matrix Matrix::projection_matrix(const float field_of_view, const float aspect_ratio, const float near,
const float far)
{
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}};
}
const float* Matrix::raw() const
{
return m_data.get();
}
void Matrix::set_data_from_raw(const float* raw_matrix)
{
for (size_t i = 0; i < m_columns * m_rows; ++i)
at(i / m_rows, i % m_columns) = raw_matrix[i];
}
Matrix::Matrix()
{
m_columns = 0;
m_rows = 0;
m_data = nullptr;
}
} // namespace omath
source/projectile_prediction/proj_pred_engine_legacy.cpp
-69
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@@ -1,69 +0,0 @@
#include "omath/projectile_prediction/proj_pred_engine_legacy.hpp"
#include <cmath>
#include <omath/angles.hpp>
namespace omath::projectile_prediction
{
ProjPredEngineLegacy::ProjPredEngineLegacy(const float gravity_constant, const float simulation_time_step,
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)
{
}
std::optional<Vector3<float>> ProjPredEngineLegacy::maybe_calculate_aim_point(const Projectile& projectile,
const Target& target) const
{
for (float time = 0.f; time < m_maximum_simulation_time; time += m_simulation_time_step)
{
const auto predicted_target_position = target.predict_position(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;
const auto delta2d = (predicted_target_position - projectile.m_origin).length_2d();
const auto height = delta2d * std::tan(angles::degrees_to_radians(projectile_pitch.value()));
return Vector3(predicted_target_position.x, predicted_target_position.y, projectile.m_origin.z + height);
}
return std::nullopt;
}
std::optional<float> ProjPredEngineLegacy::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;
const auto delta = target_position - projectile.m_origin;
const auto distance2d = delta.length_2d();
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 * delta.z * 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);
}
bool ProjPredEngineLegacy::is_projectile_reached_target(const Vector3<float>& target_position,
const Projectile& projectile, const float pitch,
const float time) const noexcept
{
const auto yaw = projectile.m_origin.view_angle_to(target_position).y;
const auto projectile_position = projectile.predict_position(pitch, yaw, time, m_gravity_constant);
return projectile_position.distance_to(target_position) <= m_distance_tolerance;
}
} // namespace omath::projectile_prediction
source/projectile_prediction/projectile.cpp
-22
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@@ -1,22 +0,0 @@
//
// Created by Vlad on 6/9/2024.
//
#include "omath/projectile_prediction/projectile.hpp"
#include <omath/engines/source_engine/formulas.hpp>
namespace omath::projectile_prediction
{
Vector3<float> Projectile::predict_position(const float pitch, const float yaw, const float time,
const float gravity) const noexcept
{
auto current_pos = m_origin
+ source_engine::forward_vector({source_engine::PitchAngle::from_degrees(-pitch),
source_engine::YawAngle::from_degrees(yaw),
source_engine::RollAngle::from_degrees(0)})
* m_launch_speed * time;
current_pos.z -= (gravity * m_gravity_scale) * (time * time) * 0.5f;
return current_pos;
}
} // namespace omath::projectile_prediction
tests/CMakeLists.txt
+1 -3
View File
@@ -7,12 +7,10 @@ include(GoogleTest)
file(GLOB_RECURSE UNIT_TESTS_SOURCES CONFIGURE_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/*.cpp") file(GLOB_RECURSE UNIT_TESTS_SOURCES CONFIGURE_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/*.cpp")
add_executable(${PROJECT_NAME} ${UNIT_TESTS_SOURCES}) add_executable(${PROJECT_NAME} ${UNIT_TESTS_SOURCES})
set_target_properties(unit_tests PROPERTIES set_target_properties(${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}"
RUNTIME_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}" RUNTIME_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
UNITY_BUILD ON
UNITY_BUILD_BATCH_SIZE 20
CXX_STANDARD 23 CXX_STANDARD 23
CXX_STANDARD_REQUIRED ON) CXX_STANDARD_REQUIRED ON)

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