added vscode config

Feature/engine units to metric

.cmake-format

@@ -0,0 +1,25 @@
+format:
+  line_width: 100
+  tab_size: 4
+  use_tabchars: false
+  max_subgroups_hwrap: 3
+  max_pargs_hwrap: 5
+  separate_ctrl_name_with_space: false
+  separate_fn_name_with_space: false
+  dangle_parens: false
+  dangle_align: child
+  line_ending: unix
+  command_case: canonical
+  keyword_case: upper
+  enable_sort: true
+  autosort: true
+markup:
+  bullet_char: "*"
+  enum_char: .
+  enable_markup: false
+additional_commands:
+  target_link_libraries:
+    kwargs:
+      PUBLIC: "*"
+      SHARED: "*"
+      PRIVATE: "*"

.gitattributes

@@ -0,0 +1,2 @@
+# SCM syntax highlighting & preventing 3-way merges
+pixi.lock merge=binary linguist-language=YAML linguist-generated=true -diff

.gitignore

@@ -6,3 +6,9 @@
 /build/
 /clang-coverage/
 *.gcov
+*.bin
+# pixi lock
+pixi.lock
+# pixi environments
+.pixi/*
+!.pixi/config.toml

.vscode/launch.json

@@ -0,0 +1,24 @@
+{
+    // Use IntelliSense to learn about possible attributes.
+    // Hover to view descriptions of existing attributes.
+    // For more information, visit: https://go.microsoft.com/fwlink/?linkid=830387
+    "version": "0.2.0",
+    "configurations": [
+        {
+            "name": " Unit Tests (Debug)",
+            "type": "lldb",
+            "request": "launch",
+            "program": "${workspaceRoot}/out/Debug/unit_tests",
+            "args": [],
+            "cwd": "${workspaceRoot}"
+        },
+        {
+            "name": " Unit Tests (Release)",
+            "type": "lldb",
+            "request": "launch",
+            "program": "${workspaceRoot}/out/Release/unit_tests",
+            "args": [],
+            "cwd": "${workspaceRoot}"
+        }
+    ]
+}

CMakeLists.txt

@@ -17,17 +17,20 @@ endif ()
 
 option(OMATH_BUILD_TESTS "Build unit tests" OFF)
 option(OMATH_BUILD_BENCHMARK "Build benchmarks" OFF)
-option(OMATH_THREAT_WARNING_AS_ERROR "Set highest level of warnings and force compiler to treat them as errors" ON)
+option(OMATH_THREAT_WARNING_AS_ERROR
+       "Set highest level of warnings and force compiler to treat them as errors" ON)
 option(OMATH_BUILD_AS_SHARED_LIBRARY "Build Omath as .so or .dll" OFF)
 option(OMATH_USE_AVX2 "Omath will use AVX2 to boost performance" ${COMPILER_SUPPORTS_AVX2})
 option(OMATH_IMGUI_INTEGRATION "Omath will define method to convert omath types to imgui types" OFF)
 option(OMATH_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_SUPRESS_SAFETY_CHECKS "Supress some safety checks in release build to improve general performance" ON)
+option(OMATH_ENABLE_LEGACY
-option(OMATH_USE_UNITY_BUILD "Will enable unity build to speed up compilation" OFF)
+       "Will enable legacy classes that MUST be used ONLY for backward compatibility" ON)
-option(OMATH_ENABLE_LEGACY "Will enable legacy classes that MUST be used ONLY for backward compatibility" ON)
+option(OMATH_SUPRESS_SAFETY_CHECKS
+       "Supress some safety checks in release build to improve general performance" ON)
 option(OMATH_ENABLE_COVERAGE "Enable coverage" OFF)
-
+option(OMATH_ENABLE_FORCE_INLINE
+       "Will for compiler to make some functions to be force inlined no matter what" ON)
 if(VCPKG_MANIFEST_FEATURES)
     foreach(omath_feature IN LISTS VCPKG_MANIFEST_FEATURES)
         if(omath_feature STREQUAL "imgui")
@@ -46,12 +49,16 @@ if (VCPKG_MANIFEST_FEATURES)
 endif()
 
 if(OMATH_USE_AVX2 AND NOT COMPILER_SUPPORTS_AVX2)
-    message(WARNING "OMATH_USE_AVX2 requested, but compiler/target does not support AVX2. Disabling.")
+    message(
+        WARNING "OMATH_USE_AVX2 requested, but compiler/target does not support AVX2. Disabling.")
     set(OMATH_USE_AVX2 OFF CACHE BOOL "Omath will use AVX2 to boost performance" FORCE)
 endif()
 
 if(${PROJECT_IS_TOP_LEVEL})
-    message(STATUS "[${PROJECT_NAME}]: Building on ${CMAKE_HOST_SYSTEM_NAME}, compiler ${CMAKE_CXX_COMPILER_ID}")
+    message(
+        STATUS
+            "[${PROJECT_NAME}]: 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 ${OMATH_BUILD_BENCHMARK}")
@@ -76,7 +83,6 @@ else ()
     add_library(${PROJECT_NAME} STATIC ${OMATH_SOURCES} ${OMATH_HEADERS})
 endif()
 
-
 add_library(${PROJECT_NAME}::${PROJECT_NAME} ALIAS ${PROJECT_NAME})
 
 target_compile_definitions(${PROJECT_NAME} PUBLIC OMATH_VERSION="${PROJECT_VERSION}")
@@ -87,7 +93,8 @@ if (OMATH_IMGUI_INTEGRATION)
     # IMGUI is being linked as submodule
     if(TARGET imgui)
         target_link_libraries(${PROJECT_NAME} PUBLIC imgui)
-        install(TARGETS imgui
+        install(
+            TARGETS imgui
             EXPORT omathTargets
             ARCHIVE DESTINATION lib
             LIBRARY DESTINATION lib
@@ -112,18 +119,17 @@ if (OMATH_ENABLE_LEGACY)
     target_compile_definitions(${PROJECT_NAME} PUBLIC OMATH_ENABLE_LEGACY)
 endif()
 
-set_target_properties(${PROJECT_NAME} PROPERTIES
+if(OMATH_ENABLE_FORCE_INLINE)
-        ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
+    target_compile_definitions(${PROJECT_NAME} PUBLIC OMATH_ENABLE_FORCE_INLINE)
+endif()
+
+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}"
                CXX_STANDARD 23
                CXX_STANDARD_REQUIRED ON)
 
-if (OMATH_USE_UNITY_BUILD)
-    set_target_properties(${PROJECT_NAME} PROPERTIES
-            UNITY_BUILD ON
-            UNITY_BUILD_BATCH_SIZE 20)
-endif ()
-
 if (OMATH_STATIC_MSVC_RUNTIME_LIBRARY)
     set_target_properties(${PROJECT_NAME} PROPERTIES
             MSVC_RUNTIME_LIBRARY "MultiThreaded$<$<CONFIG:Debug>:Debug>"
@@ -147,7 +153,6 @@ endif()
 
 target_compile_features(${PROJECT_NAME} PUBLIC cxx_std_23)
 
-
 if(OMATH_BUILD_TESTS)
     add_subdirectory(tests)
     target_compile_definitions(${PROJECT_NAME} PUBLIC OMATH_BUILD_TESTS)
@@ -164,7 +169,6 @@ if (OMATH_BUILD_EXAMPLES)
     add_subdirectory(examples)
 endif()
 
-
 if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC" AND OMATH_THREAT_WARNING_AS_ERROR)
     target_compile_options(${PROJECT_NAME} PRIVATE /W4 /WX)
 elseif(OMATH_THREAT_WARNING_AS_ERROR)
@@ -176,50 +180,52 @@ if (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
     target_compile_definitions(${PROJECT_NAME} INTERFACE NOMINMAX)
 endif()
 
-target_include_directories(${PROJECT_NAME}
+target_include_directories(
-        PUBLIC
+    ${PROJECT_NAME}
-        $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>   # Use this path when building the project
+    PUBLIC $<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include> # Use this path
-        $<INSTALL_INTERFACE:include>                             # Use this path when the project is installed
+                                                                  # when building
+                                                                  # the project
+           $<INSTALL_INTERFACE:include> # Use this path when the project is
+                                        # installed
     )
 
-
 # Installation rules
 
 # Install the library
-install(TARGETS ${PROJECT_NAME}
+install(
+    TARGETS ${PROJECT_NAME}
     EXPORT ${PROJECT_NAME}Targets
     ARCHIVE DESTINATION lib COMPONENT ${PROJECT_NAME} # For static libraries
     LIBRARY DESTINATION lib COMPONENT ${PROJECT_NAME} # For shared libraries
-        RUNTIME DESTINATION bin COMPONENT ${PROJECT_NAME}   # For executables (on Windows)
+    RUNTIME DESTINATION bin COMPONENT ${PROJECT_NAME} # For executables (on
+                                                      # Windows)
     )
 
 # Install headers as part of omath_component
 install(DIRECTORY include/ DESTINATION include COMPONENT ${PROJECT_NAME})
 
 # Export omath target for CMake find_package support, also under omath_component
-install(EXPORT ${PROJECT_NAME}Targets
+install(
+    EXPORT ${PROJECT_NAME}Targets
     FILE ${PROJECT_NAME}Targets.cmake
     NAMESPACE ${PROJECT_NAME}::
-        DESTINATION lib/cmake/${PROJECT_NAME} COMPONENT ${PROJECT_NAME}
+    DESTINATION lib/cmake/${PROJECT_NAME}
-)
+    COMPONENT ${PROJECT_NAME})
 
 # Generate the omathConfigVersion.cmake file
-write_basic_package_version_file(
+write_basic_package_version_file("${CMAKE_CURRENT_BINARY_DIR}/omathConfigVersion.cmake"
-        "${CMAKE_CURRENT_BINARY_DIR}/omathConfigVersion.cmake"
+                                 VERSION ${PROJECT_VERSION} COMPATIBILITY AnyNewerVersion)
-        VERSION ${PROJECT_VERSION}
-        COMPATIBILITY AnyNewerVersion
-)
 
-# Generate the omathConfig.cmake file from the template (which is in the cmake/ folder)
+# Generate the omathConfig.cmake file from the template (which is in the cmake/
+# folder)
 configure_package_config_file(
-        "${CMAKE_CURRENT_SOURCE_DIR}/cmake/omathConfig.cmake.in"  # Path to the .in file
+    "${CMAKE_CURRENT_SOURCE_DIR}/cmake/omathConfig.cmake.in" # Path to the .in
-        "${CMAKE_CURRENT_BINARY_DIR}/omathConfig.cmake"           # Output path for the generated file
+                                                             # file
-        INSTALL_DESTINATION lib/cmake/${PROJECT_NAME}
+    "${CMAKE_CURRENT_BINARY_DIR}/omathConfig.cmake" # Output path for the
-)
+                                                    # generated file
+    INSTALL_DESTINATION lib/cmake/${PROJECT_NAME})
 
 # Install the generated config files
-install(FILES
+install(FILES "${CMAKE_CURRENT_BINARY_DIR}/omathConfig.cmake"
-        "${CMAKE_CURRENT_BINARY_DIR}/omathConfig.cmake"
               "${CMAKE_CURRENT_BINARY_DIR}/omathConfigVersion.cmake"
-        DESTINATION lib/cmake/${PROJECT_NAME}
+        DESTINATION lib/cmake/${PROJECT_NAME})
-)

LICENSE

@@ -1,4 +1,4 @@
-Copyright (C) 2023-2025 Orange++ orange_github@proton.me
+Copyright (C) 2023-2026 Orange++ orange_github@proton.me
 
 This software is provided 'as-is', without any express or implied
 warranty. In no event will the authors be held liable for any damages

VERSION

@@ -1 +1 @@
-4.6.0
+4.7.1

benchmark/CMakeLists.txt

@@ -1,11 +1,11 @@
 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(${PROJECT_NAME} PROPERTIES
+set_target_properties(
-        ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
+    ${PROJECT_NAME}
+    PROPERTIES ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
                LIBRARY_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
                RUNTIME_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
                CXX_STANDARD 23
@@ -14,7 +14,8 @@ set_target_properties(${PROJECT_NAME} PROPERTIES
 if(TARGET benchmark::benchmark) # Benchmark is being linked as submodule
     target_link_libraries(${PROJECT_NAME} PRIVATE benchmark::benchmark omath)
 else()
-    find_package(benchmark CONFIG REQUIRED) # Benchmark is being linked as vcpkg package
+    find_package(benchmark CONFIG REQUIRED) # Benchmark is being linked as vcpkg
+                                            # package
     target_link_libraries(${PROJECT_NAME} PRIVATE benchmark::benchmark omath)
 endif()
 

cmake/Coverage.cmake

@@ -7,38 +7,23 @@ function(omath_setup_coverage TARGET_NAME)
     endif()
 
     if(CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND MSVC)
-        target_compile_options(${TARGET_NAME} PRIVATE
+        target_compile_options(${TARGET_NAME} PRIVATE -fprofile-instr-generate -fcoverage-mapping
-            -fprofile-instr-generate
+                                                      /Zi)
-            -fcoverage-mapping
+        target_link_options(
-            /Zi
+            ${TARGET_NAME}
-        )
+            PRIVATE
-        target_link_options(${TARGET_NAME} PRIVATE
             -fprofile-instr-generate
             -fcoverage-mapping
             /DEBUG:FULL
             /INCREMENTAL:NO
-            /PROFILE
+            /PROFILE)
-        )
     elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang|AppleClang")
-        target_compile_options(${TARGET_NAME} PRIVATE
+        target_compile_options(${TARGET_NAME} PRIVATE -fprofile-instr-generate -fcoverage-mapping
-            -fprofile-instr-generate
+                                                      -g -O0)
-            -fcoverage-mapping
+        target_link_options(${TARGET_NAME} PRIVATE -fprofile-instr-generate -fcoverage-mapping)
-            -g
-            -O0
-        )
-        target_link_options(${TARGET_NAME} PRIVATE
-            -fprofile-instr-generate
-            -fcoverage-mapping
-        )
     elseif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
-        target_compile_options(${TARGET_NAME} PRIVATE
+        target_compile_options(${TARGET_NAME} PRIVATE --coverage -g -O0)
-            --coverage
+        target_link_options(${TARGET_NAME} PRIVATE --coverage)
-            -g
-            -O0
-        )
-        target_link_options(${TARGET_NAME} PRIVATE
-            --coverage
-        )
     endif()
 
     if(TARGET coverage)
@@ -47,40 +32,36 @@ function(omath_setup_coverage TARGET_NAME)
 
     if(CMAKE_CXX_COMPILER_ID MATCHES "Clang" AND MSVC)
         message(STATUS "MSVC detected: Use VS Code Coverage from CI workflow")
-        add_custom_target(coverage
+        add_custom_target(
+            coverage
             DEPENDS unit_tests
             COMMAND $<TARGET_FILE:unit_tests>
             WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
-            COMMENT "Running tests for coverage (use VS Code Coverage from CI)"
+            COMMENT "Running tests for coverage (use VS Code Coverage from CI)")
-        )
 
     elseif(CMAKE_CXX_COMPILER_ID MATCHES "Clang|AppleClang")
-        add_custom_target(coverage
+        add_custom_target(
+            coverage
             DEPENDS unit_tests
-            COMMAND bash "${CMAKE_SOURCE_DIR}/scripts/coverage-llvm.sh"
+            COMMAND bash "${CMAKE_SOURCE_DIR}/scripts/coverage-llvm.sh" "${CMAKE_SOURCE_DIR}"
-                "${CMAKE_SOURCE_DIR}"
+                    "${CMAKE_BINARY_DIR}" "$<TARGET_FILE:unit_tests>" "${CMAKE_BINARY_DIR}/coverage"
-                "${CMAKE_BINARY_DIR}"
-                "$<TARGET_FILE:unit_tests>"
-                "${CMAKE_BINARY_DIR}/coverage"
             WORKING_DIRECTORY "${CMAKE_SOURCE_DIR}"
-            COMMENT "Running LLVM coverage"
+            COMMENT "Running LLVM coverage")
-        )
 
     elseif(CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
-        add_custom_target(coverage
+        add_custom_target(
+            coverage
             DEPENDS unit_tests
             COMMAND $<TARGET_FILE:unit_tests> || true
-            COMMAND lcov --capture --directory "${CMAKE_BINARY_DIR}"
+            COMMAND lcov --capture --directory "${CMAKE_BINARY_DIR}" --output-file
-                --output-file "${CMAKE_BINARY_DIR}/coverage.info"
+                    "${CMAKE_BINARY_DIR}/coverage.info" --ignore-errors mismatch,gcov
-                --ignore-errors mismatch,gcov
+            COMMAND
-            COMMAND lcov --remove "${CMAKE_BINARY_DIR}/coverage.info"
+                lcov --remove "${CMAKE_BINARY_DIR}/coverage.info" "*/tests/*" "*/gtest/*"
-                "*/tests/*" "*/gtest/*" "*/googletest/*" "*/_deps/*" "/usr/*"
+                "*/googletest/*" "*/_deps/*" "/usr/*" --output-file
-                --output-file "${CMAKE_BINARY_DIR}/coverage.info"
+                "${CMAKE_BINARY_DIR}/coverage.info" --ignore-errors unused
-                --ignore-errors unused
+            COMMAND genhtml "${CMAKE_BINARY_DIR}/coverage.info" --output-directory
-            COMMAND genhtml "${CMAKE_BINARY_DIR}/coverage.info"
+                    "${CMAKE_BINARY_DIR}/coverage"
-                --output-directory "${CMAKE_BINARY_DIR}/coverage"
             WORKING_DIRECTORY "${CMAKE_BINARY_DIR}"
-            COMMENT "Running lcov/genhtml"
+            COMMENT "Running lcov/genhtml")
-        )
     endif()
 endfunction()

cmake/Valgrind.cmake

@@ -22,23 +22,19 @@ function(omath_setup_valgrind TARGET_NAME)
         return()
     endif()
 
-    set(VALGRIND_FLAGS 
+    set(VALGRIND_FLAGS --leak-check=full --show-leak-kinds=all --track-origins=yes
-        --leak-check=full 
+                       --error-exitcode=99)
-        --show-leak-kinds=all
-        --track-origins=yes 
-        --error-exitcode=99
-    )
 
     set(VALGRIND_TARGET "valgrind_${TARGET_NAME}")
 
     if(NOT TARGET ${VALGRIND_TARGET})
-        add_custom_target(${VALGRIND_TARGET}
+        add_custom_target(
+            ${VALGRIND_TARGET}
             DEPENDS ${TARGET_NAME}
             COMMAND ${VALGRIND_EXECUTABLE} ${VALGRIND_FLAGS} $<TARGET_FILE:${TARGET_NAME}>
             WORKING_DIRECTORY $<TARGET_FILE_DIR:${TARGET_NAME}>
             COMMENT "Running Valgrind memory check on ${TARGET_NAME}..."
-            USES_TERMINAL
+            USES_TERMINAL)
-        )
 
         add_dependencies(valgrind_all ${VALGRIND_TARGET})
     endif()

examples/CMakeLists.txt

@@ -1,34 +1,35 @@
 project(examples)
 
 add_executable(example_projection_matrix_builder example_proj_mat_builder.cpp)
-set_target_properties(example_projection_matrix_builder PROPERTIES
+set_target_properties(
-        CXX_STANDARD 26
+    example_projection_matrix_builder
+    PROPERTIES CXX_STANDARD 23
                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}"
+               RUNTIME_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}")
-)
 target_link_libraries(example_projection_matrix_builder PRIVATE omath::omath)
 
 add_executable(example_signature_scan example_signature_scan.cpp)
-set_target_properties(example_signature_scan PROPERTIES
+set_target_properties(
-        CXX_STANDARD 26
+    example_signature_scan
+    PROPERTIES CXX_STANDARD 23
                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}"
+               RUNTIME_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}")
-)
 target_link_libraries(example_signature_scan PRIVATE omath::omath)
 
-
 add_executable(example_glfw3 example_glfw3.cpp)
-set_target_properties(example_glfw3 PROPERTIES CXX_STANDARD 26
+set_target_properties(
+    example_glfw3
+    PROPERTIES CXX_STANDARD 23
                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}"
+               RUNTIME_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}")
-)
 
+find_package(OpenGL)
 find_package(GLEW REQUIRED)
 find_package(glfw3 CONFIG REQUIRED)
-target_link_libraries(example_glfw3 PRIVATE omath::omath GLEW::GLEW glfw)
+target_link_libraries(example_glfw3 PRIVATE omath::omath GLEW::GLEW glfw OpenGL::GL)
 
 if(OMATH_ENABLE_VALGRIND)
     omath_setup_valgrind(example_projection_matrix_builder)

examples/example_glfw3.cpp

@@ -120,9 +120,14 @@ int main()
         return -1;
     }
 
+    std::cout << "GLFW Version: " << glfwGetVersionString() << "\n";
+
     glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 3);
     glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 3);
     glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
+    // Force GLX context creation API to ensure compatibility with GLEW
+    glfwWindowHint(GLFW_CONTEXT_CREATION_API, GLFW_NATIVE_CONTEXT_API);
+
 #ifdef __APPLE__
     glfwWindowHint(GLFW_OPENGL_FORWARD_COMPAT, GL_TRUE);
 #endif
@@ -141,16 +146,31 @@ int main()
     glfwMakeContextCurrent(window);
     glfwSetFramebufferSizeCallback(window, framebuffer_size_callback);
 
+    // Check if context is valid using standard GL
+    const GLubyte* renderer = glGetString(GL_RENDERER);
+    const GLubyte* version = glGetString(GL_VERSION);
+    if (renderer && version) {
+        std::cout << "Renderer: " << renderer << "\n";
+        std::cout << "OpenGL version supported: " << version << "\n";
+    } else {
+        std::cerr << "Failed to get GL_RENDERER or GL_VERSION. Context might be invalid.\n";
+    }
+
     // ---------- GLEW init ----------
     glewExperimental = GL_TRUE;
     GLenum glewErr = glewInit();
     if (glewErr != GLEW_OK)
     {
+        // Ignore NO_GLX_DISPLAY if we have a valid context
+        if (glewErr == GLEW_ERROR_NO_GLX_DISPLAY && renderer) {
+             std::cerr << "GLEW warning: " << glewGetErrorString(glewErr) << " (Ignored because context seems valid)\n";
+        } else {
             std::cerr << "Failed to initialize GLEW: " << reinterpret_cast<const char*>(glewGetErrorString(glewErr))
                     << "\n";
             glfwTerminate();
             return -1;
         }
+    }
 
     // ---------- GL state ----------
     glEnable(GL_DEPTH_TEST);

include/omath/3d_primitives/box.hpp

@@ -3,14 +3,60 @@
 //
 
 #pragma once
+#include "mesh.hpp"
+#include "omath/engines/opengl_engine/camera.hpp"
+#include "omath/engines/opengl_engine/traits/mesh_trait.hpp"
 #include "omath/linear_algebra/triangle.hpp"
 #include "omath/linear_algebra/vector3.hpp"
 #include <array>
 
 namespace omath::primitives
 {
+    template<class BoxMeshType>
     [[nodiscard]]
-    std::array<Triangle<Vector3<float>>, 12> create_box(const Vector3<float>& top, const Vector3<float>& bottom,
+    BoxMeshType create_box(const Vector3<float>& top, const Vector3<float>& bottom, const Vector3<float>& dir_forward,
-                                             const Vector3<float>& dir_forward, const Vector3<float>& dir_right,
+                           const Vector3<float>& dir_right, const float ratio = 4.f) noexcept
-                                             float ratio = 4.f) noexcept;
+    {
+        const auto height = top.distance_to(bottom);
+        const auto side_size = height / ratio;
+
+        // corner layout (0‑3 bottom, 4‑7 top)
+        std::array<Vector3<float>, 8> p;
+        p[0] = bottom + (dir_forward + dir_right) * side_size; // front‑right‑bottom
+        p[1] = bottom + (dir_forward - dir_right) * side_size; // front‑left‑bottom
+        p[2] = bottom + (-dir_forward + dir_right) * side_size; // back‑right‑bottom
+        p[3] = bottom + (-dir_forward - dir_right) * side_size; // back‑left‑bottom
+        p[4] = top + (dir_forward + dir_right) * side_size; // front‑right‑top
+        p[5] = top + (dir_forward - dir_right) * side_size; // front‑left‑top
+        p[6] = top + (-dir_forward + dir_right) * side_size; // back‑right‑top
+        p[7] = top + (-dir_forward - dir_right) * side_size; // back‑left‑top
+
+        std::array<Vector3<std::uint32_t>, 12> poly;
+
+        // bottom face (+Y up ⇒ wind CW when viewed from above)
+        poly[0] = {0, 2, 3};
+        poly[1] = {0, 3, 1};
+
+        // top face
+        poly[2] = {4, 7, 6};
+        poly[3] = {4, 5, 7};
+
+        // front face
+        poly[4] = {0, 5, 1};
+        poly[5] = {0, 4, 5};
+
+        // right face
+        poly[6] = {0, 6, 2};
+        poly[7] = {0, 4, 6};
+
+        // back face
+        poly[8] = {2, 7, 3};
+        poly[9] = {2, 6, 7};
+
+        // left face
+        poly[10] = {1, 7, 5};
+        poly[11] = {1, 3, 7};
+
+        return BoxMeshType{std::move(p), std::move(poly)};
     }
+} // namespace omath::primitives

include/omath/3d_primitives/mesh.hpp

@@ -25,16 +25,17 @@ namespace omath::primitives
     template<typename T> concept HasNormal = requires(T vertex) { vertex.normal; };
     template<typename T> concept HasUv = requires(T vertex) { vertex.uv; };
 
-    template<class Mat4X4, class RotationAngles, class MeshTypeTrait, class VertType = Vertex<>>
+    template<class Mat4X4, class RotationAngles, class MeshTypeTrait, class VertType = Vertex<>,
+             class VboType = std::vector<VertType>, class EboType = std::vector<Vector3<std::uint32_t>>>
     class Mesh final
     {
     public:
         using VectorType = VertType::VectorType;
-        using VertexType = VertType;
+        using VertexType = VboType::value_type;
 
     private:
-        using Vbo = std::vector<VertexType>;
+        using Vbo = VboType;
-        using Ebo = std::vector<Vector3<std::uint32_t>>;
+        using Ebo = EboType;
 
     public:
         Vbo m_vertex_buffer;
@@ -100,21 +101,27 @@ namespace omath::primitives
 
         [[nodiscard]]
         VectorType vertex_position_to_world_space(const Vector3<float>& vertex_position) const
-        requires HasPosition<VertexType>
         {
-            auto abs_vec = get_to_world_matrix() * mat_column_from_vector<typename Mat4X4::ContainedType, Mat4X4::get_store_ordering()>(vertex_position);
+            auto abs_vec = get_to_world_matrix()
+                           * mat_column_from_vector<typename Mat4X4::ContainedType, Mat4X4::get_store_ordering()>(
+                                   vertex_position);
 
             return {abs_vec.at(0, 0), abs_vec.at(1, 0), abs_vec.at(2, 0)};
         }
 
         [[nodiscard]]
         Triangle<VectorType> make_face_in_world_space(const Ebo::const_iterator vao_iterator) const
-        requires HasPosition<VertexType>
+        {
+            if constexpr (HasPosition<VertexType>)
             {
                 return {vertex_position_to_world_space(m_vertex_buffer.at(vao_iterator->x).position),
                         vertex_position_to_world_space(m_vertex_buffer.at(vao_iterator->y).position),
                         vertex_position_to_world_space(m_vertex_buffer.at(vao_iterator->z).position)};
             }
+            return {vertex_position_to_world_space(m_vertex_buffer.at(vao_iterator->x)),
+                    vertex_position_to_world_space(m_vertex_buffer.at(vao_iterator->y)),
+                    vertex_position_to_world_space(m_vertex_buffer.at(vao_iterator->z))};
+        }
 
     private:
         VectorType m_origin;

include/omath/3d_primitives/plane.hpp

@@ -3,14 +3,30 @@
 //
 
 #pragma once
+#include "mesh.hpp"
+#include "omath/engines/opengl_engine/camera.hpp"
+#include "omath/engines/opengl_engine/mesh.hpp"
+#include "omath/engines/opengl_engine/traits/mesh_trait.hpp"
 #include "omath/linear_algebra/triangle.hpp"
 #include "omath/linear_algebra/vector3.hpp"
 #include <array>
 
 namespace omath::primitives
 {
+    template<class PlaneMeshType>
     [[nodiscard]]
-    std::array<Triangle<Vector3<float>>, 2> create_plane(const Vector3<float>& vertex_a,
+    PlaneMeshType create_plane(const Vector3<float>& vertex_a, const Vector3<float>& vertex_b,
-                                                          const Vector3<float>& vertex_b,
+                           const Vector3<float>& direction, const float size) noexcept
-                                                          const Vector3<float>& direction, float size) noexcept;
+    {
+        const auto second_vertex_a = vertex_a + direction * size;
+        const auto second_vertex_b = vertex_b + direction * size;
+
+        std::array<Vector3<float>, 4> grid = {vertex_a, vertex_b, second_vertex_a, second_vertex_b};
+
+        std::array<Vector3<std::uint32_t>, 2> poly;
+        poly[0] = {1, 1, 2};
+        poly[1] = {0, 1, 3};
+
+        return PlaneMeshType(std::move(grid), std::move(poly));
     }
+} // namespace omath::primitives

include/omath/collision/line_tracer.hpp

@@ -8,30 +8,103 @@
 
 namespace omath::collision
 {
-    class Ray
+    template<class T = Vector3<float>>
+    class Ray final
     {
     public:
-        Vector3<float> start;
+        using VectorType = T;
-        Vector3<float> end;
+        VectorType start;
+        VectorType end;
         bool infinite_length = false;
 
         [[nodiscard]]
-        Vector3<float> direction_vector() const noexcept;
+        constexpr VectorType direction_vector() const noexcept
+        {
+            return end - start;
+        }
 
         [[nodiscard]]
-        Vector3<float> direction_vector_normalized() const noexcept;
+        constexpr VectorType direction_vector_normalized() const noexcept
-    };
-    class LineTracer
         {
+            return direction_vector().normalized();
+        }
+    };
+
+    template<class RayType = Ray<>>
+    class LineTracer final
+    {
+        using TriangleType = Triangle<typename RayType::VectorType>;
+
     public:
         LineTracer() = delete;
 
         [[nodiscard]]
-        static bool can_trace_line(const Ray& ray, const Triangle<Vector3<float>>& triangle) noexcept;
+        constexpr static bool can_trace_line(const RayType& ray, const TriangleType& triangle) noexcept
+        {
+            return get_ray_hit_point(ray, triangle) == ray.end;
+        }
 
         // Realization of Möller–Trumbore intersection algorithm
         // https://en.wikipedia.org/wiki/M%C3%B6ller%E2%80%93Trumbore_intersection_algorithm
         [[nodiscard]]
-        static Vector3<float> get_ray_hit_point(const Ray& ray, const Triangle<Vector3<float>>& triangle) noexcept;
+        constexpr static auto get_ray_hit_point(const RayType& ray, const TriangleType& triangle) noexcept
+        {
+            constexpr float k_epsilon = std::numeric_limits<float>::epsilon();
+
+            const auto side_a = triangle.side_a_vector();
+            const auto side_b = triangle.side_b_vector();
+
+            const auto ray_dir = ray.direction_vector();
+
+            const auto p = ray_dir.cross(side_b);
+            const auto det = side_a.dot(p);
+
+            if (std::abs(det) < k_epsilon)
+                return ray.end;
+
+            const auto inv_det = 1 / det;
+            const auto t = ray.start - triangle.m_vertex2;
+            const auto u = t.dot(p) * inv_det;
+
+            if ((u < 0 && std::abs(u) > k_epsilon) || (u > 1 && std::abs(u - 1) > k_epsilon))
+                return ray.end;
+
+            const auto q = t.cross(side_a);
+            // ReSharper disable once CppTooWideScopeInitStatement
+            const auto v = ray_dir.dot(q) * inv_det;
+
+            if ((v < 0 && std::abs(v) > k_epsilon) || (u + v > 1 && std::abs(u + v - 1) > k_epsilon))
+                return ray.end;
+
+            const auto t_hit = side_b.dot(q) * inv_det;
+
+            if (ray.infinite_length && t_hit <= k_epsilon)
+                return ray.end;
+
+            if (t_hit <= k_epsilon || t_hit > 1 - k_epsilon)
+                return ray.end;
+
+            return ray.start + ray_dir * t_hit;
+        }
+
+        template<class MeshType>
+        [[nodiscard]]
+        constexpr static auto get_ray_hit_point(const RayType& ray, const MeshType& mesh) noexcept
+        {
+            auto mesh_hit = ray.end;
+
+            const auto begin = mesh.m_element_buffer_object.cbegin();
+            const auto end = mesh.m_element_buffer_object.cend();
+            for (auto current = begin; current < end; current = std::next(current))
+            {
+                const auto face = mesh.make_face_in_world_space(current);
+
+                auto ray_stop_point = get_ray_hit_point(ray, face);
+                if (ray_stop_point.distance_to(ray.start) < mesh_hit.distance_to(ray.start))
+                    mesh_hit = ray_stop_point;
+            }
+
+            return mesh_hit;
+        }
     };
 } // namespace omath::collision

include/omath/collision/simplex.hpp

@@ -130,7 +130,7 @@ namespace omath::collision
 
         template<class V>
         [[nodiscard]]
-        static constexpr bool near_zero(const V& v, const float eps = 1e-7f)
+        static constexpr bool near_zero(const V& v, const float eps = 1e-7f) noexcept
         {
             return v.dot(v) <= eps * eps;
         }
@@ -146,7 +146,7 @@ namespace omath::collision
         }
 
         [[nodiscard]]
-        constexpr bool handle_line(VectorType& direction)
+        constexpr bool handle_line(VectorType& direction) noexcept
         {
             const auto& a = m_points[0];
             const auto& b = m_points[1];
@@ -158,21 +158,11 @@ namespace omath::collision
             {
                 // ReSharper disable once CppTooWideScopeInitStatement
                 auto n = ab.cross(ao); // Needed to valid handle collision if colliders placed at same origin pos
-                if (near_zero(n))
+                direction = near_zero(n) ? any_perp(ab) : n.cross(ab);
-                {
+                return false;
-                    // collinear: origin lies on ray AB (often on segment), pick any perp to escape
-                    direction = any_perp(ab);
             }
-                else
-                {
-                    direction = n.cross(ab);
-                }
-            }
-            else
-            {
             *this = {a};
             direction = ao;
-            }
             return false;
         }
 

include/omath/containers/encrypted_variable.hpp

@@ -0,0 +1,201 @@
+//
+// Created by Vladislav on 04.01.2026.
+//
+#pragma once
+#include <array>
+#include <cstddef>
+#include <cstdint>
+#include <span>
+#ifdef OMATH_ENABLE_FORCE_INLINE
+#ifdef _MSC_VER
+#define OMATH_FORCE_INLINE __forceinline
+#else
+#define OMATH_FORCE_INLINE __attribute__((always_inline)) inline
+#endif
+#else
+#define OMATH_FORCE_INLINE
+#endif
+
+namespace omath::detail
+{
+    [[nodiscard]]
+    consteval std::uint64_t fnv1a_64(const char* s)
+    {
+        std::uint64_t h = 14695981039346656037ull;
+        while (*s)
+        {
+            h ^= static_cast<unsigned char>(*s++);
+            h *= 1099511628211ull;
+        }
+        return h;
+    }
+
+    // SplitMix64 mixer (good quality for seeding / scrambling)
+    [[nodiscard]]
+    consteval std::uint64_t splitmix64(std::uint64_t x)
+    {
+        x += 0x9E3779B97F4A7C15ull;
+        x = (x ^ (x >> 30)) * 0xBF58476D1CE4E5B9ull;
+        x = (x ^ (x >> 27)) * 0x94D049BB133111EBull;
+        return x ^ (x >> 31);
+    }
+
+    // Choose your policy:
+    // - If you want reproducible builds, REMOVE __DATE__/__TIME__.
+    // - If you want "different each build", keep them.
+    [[nodiscard]]
+    consteval std::uint64_t base_seed()
+    {
+        std::uint64_t h = 0;
+        h ^= fnv1a_64(__FILE__);
+        h ^= splitmix64(fnv1a_64(__DATE__));
+        h ^= splitmix64(fnv1a_64(__TIME__));
+        return splitmix64(h);
+    }
+
+    // Produce a "random" 64-bit value for a given stream index (compile-time)
+    template<std::uint64_t Stream>
+    [[nodiscard]]
+    consteval std::uint64_t rand_u64()
+    {
+        // Stream is usually __COUNTER__ so each call site differs
+        return splitmix64(base_seed() + 0xD1B54A32D192ED03ull * (Stream + 1));
+    }
+
+    [[nodiscard]]
+    consteval std::uint64_t bounded_u64(const std::uint64_t x, const std::uint64_t bound)
+    {
+        return (x * bound) >> 64;
+    }
+
+    template<std::int64_t Lo, std::int64_t Hi, std::uint64_t Stream>
+    [[nodiscard]]
+    consteval std::int64_t rand_uint8_t()
+    {
+        static_assert(Lo <= Hi);
+        const std::uint64_t span = static_cast<std::uint64_t>(Hi - Lo) + 1ull;
+        const std::uint64_t r = rand_u64<Stream>();
+        return static_cast<std::int64_t>(bounded_u64(r, span)) + Lo;
+    }
+    [[nodiscard]]
+    consteval std::uint64_t rand_u64(const std::uint64_t seed, const std::uint64_t i)
+    {
+        return splitmix64(seed + 0xD1B54A32D192ED03ull * (i + 1ull));
+    }
+
+    // Convert to int (uses low 32 bits; you can also use high bits if you prefer)
+    [[nodiscard]]
+    consteval std::uint8_t rand_uint8t(const std::uint64_t seed, const std::uint64_t i)
+    {
+        return static_cast<std::uint8_t>(rand_u64(seed, i)); // narrowing is fine/deterministic
+    }
+    template<std::size_t N, std::uint64_t Seed, std::size_t... I>
+    [[nodiscard]]
+    consteval std::array<std::uint8_t, N> make_array_impl(std::index_sequence<I...>)
+    {
+        return {rand_uint8t(Seed, static_cast<std::uint64_t>(I))...};
+    }
+
+    template<std::size_t N, std::uint64_t Seed>
+    [[nodiscard]]
+    consteval std::array<std::uint8_t, N> make_array()
+    {
+        return make_array_impl<N, Seed>(std::make_index_sequence<N>{});
+    }
+} // namespace omath::detail
+
+namespace omath
+{
+    template<class T>
+    class VarAnchor;
+
+    template<class T, std::size_t key_size, std::array<std::uint8_t, key_size> key>
+    class EncryptedVariable final
+    {
+        using value_type = std::remove_cvref_t<T>;
+
+        bool m_is_encrypted{};
+        value_type m_data{};
+
+        OMATH_FORCE_INLINE constexpr void xor_contained_var_by_key()
+        {
+            // Safe, keeps const-correctness, and avoids reinterpret_cast issues
+            auto bytes = std::as_writable_bytes(std::span<value_type, 1>{&m_data, 1});
+
+            for (std::size_t i = 0; i < bytes.size(); ++i)
+            {
+                const std::uint8_t k = static_cast<std::uint8_t>(key[i % key_size] + (i * key_size));
+                bytes[i] ^= static_cast<std::byte>(k);
+            }
+        }
+
+    public:
+        OMATH_FORCE_INLINE constexpr explicit EncryptedVariable(const value_type& data)
+            : m_is_encrypted(false), m_data(data)
+        {
+            encrypt();
+        }
+
+        [[nodiscard]] constexpr bool is_encrypted() const
+        {
+            return m_is_encrypted;
+        }
+
+        OMATH_FORCE_INLINE constexpr void decrypt()
+        {
+            if (!m_is_encrypted)
+                return;
+            xor_contained_var_by_key();
+            m_is_encrypted = false;
+        }
+
+        OMATH_FORCE_INLINE constexpr void encrypt()
+        {
+            if (m_is_encrypted)
+                return;
+            xor_contained_var_by_key();
+            m_is_encrypted = true;
+        }
+
+        [[nodiscard]] OMATH_FORCE_INLINE constexpr value_type& value()
+        {
+            return m_data;
+        }
+        [[nodiscard]] OMATH_FORCE_INLINE constexpr const value_type& value() const
+        {
+            return m_data;
+        }
+
+        constexpr OMATH_FORCE_INLINE ~EncryptedVariable()
+        {
+            decrypt();
+        }
+
+        [[nodiscard]] constexpr OMATH_FORCE_INLINE auto drop_anchor()
+        {
+            return VarAnchor{*this};
+        }
+    };
+
+    template<class EncryptedVarType>
+    class VarAnchor final
+    {
+    public:
+        // ReSharper disable once CppNonExplicitConvertingConstructor
+        OMATH_FORCE_INLINE constexpr VarAnchor(EncryptedVarType& var): m_var(var)
+        {
+            m_var.decrypt();
+        }
+        OMATH_FORCE_INLINE constexpr ~VarAnchor()
+        {
+            m_var.encrypt();
+        }
+
+    private:
+        EncryptedVarType& m_var;
+    };
+} // namespace omath
+
+#define OMATH_CT_RAND_ARRAY_BYTE(N)                                                                                    \
+    (::omath::detail::make_array<(N), (::omath::detail::base_seed() ^ static_cast<std::uint64_t>(__COUNTER__))>())
+#define OMATH_DEF_CRYPT_VAR(TYPE, KEY_SIZE) omath::EncryptedVariable<TYPE, KEY_SIZE, OMATH_CT_RAND_ARRAY_BYTE(KEY_SIZE)>

include/omath/engines/frostbite_engine/formulas.hpp

@@ -23,4 +23,52 @@ namespace omath::frostbite_engine
 
     [[nodiscard]]
     Mat4X4 calc_perspective_projection_matrix(float field_of_view, float aspect_ratio, float near, float far) noexcept;
-} // namespace omath::unity_engine
+
+    template<class FloatingType>
+    requires std::is_floating_point_v<FloatingType>
+    [[nodiscard]]
+    constexpr FloatingType units_to_centimeters(const FloatingType& units)
+    {
+        return units / static_cast<FloatingType>(100);
+    }
+
+    template<class FloatingType>
+    requires std::is_floating_point_v<FloatingType>
+    [[nodiscard]]
+    constexpr FloatingType units_to_meters(const FloatingType& units)
+    {
+        return units;
+    }
+
+    template<class FloatingType>
+    requires std::is_floating_point_v<FloatingType>
+    [[nodiscard]]
+    constexpr FloatingType units_to_kilometers(const FloatingType& units)
+    {
+        return units_to_meters(units) / static_cast<FloatingType>(1000);
+    }
+
+    template<class FloatingType>
+    requires std::is_floating_point_v<FloatingType>
+    [[nodiscard]]
+    constexpr FloatingType centimeters_to_units(const FloatingType& centimeters)
+    {
+        return centimeters * static_cast<FloatingType>(100);
+    }
+
+    template<class FloatingType>
+    requires std::is_floating_point_v<FloatingType>
+    [[nodiscard]]
+    constexpr FloatingType meters_to_units(const FloatingType& meters)
+    {
+        return meters;
+    }
+
+    template<class FloatingType>
+    requires std::is_floating_point_v<FloatingType>
+    [[nodiscard]]
+    constexpr FloatingType kilometers_to_units(const FloatingType& kilometers)
+    {
+        return meters_to_units(kilometers * static_cast<FloatingType>(1000));
+    }
+} // namespace omath::frostbite_engine

include/omath/engines/frostbite_engine/primitives.hpp

@@ -0,0 +1,17 @@
+//
+// Created by Vladislav on 27.01.2026.
+//
+
+#pragma once
+#include "mesh.hpp"
+#include "omath/engines/frostbite_engine/traits/mesh_trait.hpp"
+#include "omath/linear_algebra/vector3.hpp"
+#include <array>
+namespace omath::frostbite_engine
+{
+    using BoxMesh = primitives::Mesh<Mat4X4, ViewAngles, MeshTrait, primitives::Vertex<>, std::array<Vector3<float>, 8>,
+                                     std::array<Vector3<std::uint32_t>, 12>>;
+
+    using PlaneMesh = primitives::Mesh<Mat4X4, ViewAngles, MeshTrait, primitives::Vertex<>,
+                                       std::array<Vector3<float>, 4>, std::array<Vector3<std::uint32_t>, 2>>;
+} // namespace omath::frostbite_engine

include/omath/engines/iw_engine/formulas.hpp

@@ -23,4 +23,54 @@ namespace omath::iw_engine
 
     [[nodiscard]]
     Mat4X4 calc_perspective_projection_matrix(float field_of_view, float aspect_ratio, float near, float far) noexcept;
+
+    template<class FloatingType>
+    requires std::is_floating_point_v<FloatingType>
+    [[nodiscard]]
+    constexpr FloatingType units_to_centimeters(const FloatingType& units)
+    {
+        constexpr auto centimeter_in_unit = static_cast<FloatingType>(2.54);
+        return units * centimeter_in_unit;
+    }
+
+    template<class FloatingType>
+    requires std::is_floating_point_v<FloatingType>
+    [[nodiscard]]
+    constexpr FloatingType units_to_meters(const FloatingType& units)
+    {
+        return units_to_centimeters(units) / static_cast<FloatingType>(100);
+    }
+
+    template<class FloatingType>
+    requires std::is_floating_point_v<FloatingType>
+    [[nodiscard]]
+    constexpr FloatingType units_to_kilometers(const FloatingType& units)
+    {
+        return units_to_meters(units) / static_cast<FloatingType>(1000);
+    }
+
+    template<class FloatingType>
+    requires std::is_floating_point_v<FloatingType>
+    [[nodiscard]]
+    constexpr FloatingType centimeters_to_units(const FloatingType& centimeters)
+    {
+        constexpr auto centimeter_in_unit = static_cast<FloatingType>(2.54);
+        return centimeters / centimeter_in_unit;
+    }
+
+    template<class FloatingType>
+    requires std::is_floating_point_v<FloatingType>
+    [[nodiscard]]
+    constexpr FloatingType meters_to_units(const FloatingType& meters)
+    {
+        return centimeters_to_units(meters * static_cast<FloatingType>(100));
+    }
+
+    template<class FloatingType>
+    requires std::is_floating_point_v<FloatingType>
+    [[nodiscard]]
+    constexpr FloatingType kilometers_to_units(const FloatingType& kilometers)
+    {
+        return meters_to_units(kilometers * static_cast<FloatingType>(1000));
+    }
 } // namespace omath::iw_engine

include/omath/engines/iw_engine/primitives.hpp

@@ -0,0 +1,17 @@
+//
+// Created by Vladislav on 27.01.2026.
+//
+
+#pragma once
+#include "mesh.hpp"
+#include "omath/engines/iw_engine/traits/mesh_trait.hpp"
+#include "omath/linear_algebra/vector3.hpp"
+#include <array>
+namespace omath::iw_engine
+{
+    using BoxMesh = primitives::Mesh<Mat4X4, ViewAngles, MeshTrait, primitives::Vertex<>, std::array<Vector3<float>, 8>,
+                                     std::array<Vector3<std::uint32_t>, 12>>;
+
+    using PlaneMesh = primitives::Mesh<Mat4X4, ViewAngles, MeshTrait, primitives::Vertex<>,
+                           std::array<Vector3<float>, 4>, std::array<Vector3<std::uint32_t>, 2>>;
+} // namespace omath::iw_engine

include/omath/engines/opengl_engine/formulas.hpp

@@ -4,7 +4,6 @@
 #pragma once
 #include "omath/engines/opengl_engine/constants.hpp"
 
-
 namespace omath::opengl_engine
 {
     [[nodiscard]]
@@ -23,4 +22,52 @@ namespace omath::opengl_engine
 
     [[nodiscard]]
     Mat4X4 calc_perspective_projection_matrix(float field_of_view, float aspect_ratio, float near, float far) noexcept;
+
+    template<class FloatingType>
+    requires std::is_floating_point_v<FloatingType>
+    [[nodiscard]]
+    constexpr FloatingType units_to_centimeters(const FloatingType& units)
+    {
+        return units / static_cast<FloatingType>(100);
+    }
+
+    template<class FloatingType>
+    requires std::is_floating_point_v<FloatingType>
+    [[nodiscard]]
+    constexpr FloatingType units_to_meters(const FloatingType& units)
+    {
+        return units;
+    }
+
+    template<class FloatingType>
+    requires std::is_floating_point_v<FloatingType>
+    [[nodiscard]]
+    constexpr FloatingType units_to_kilometers(const FloatingType& units)
+    {
+        return units_to_meters(units) / static_cast<FloatingType>(1000);
+    }
+
+    template<class FloatingType>
+    requires std::is_floating_point_v<FloatingType>
+    [[nodiscard]]
+    constexpr FloatingType centimeters_to_units(const FloatingType& centimeters)
+    {
+        return centimeters * static_cast<FloatingType>(100);
+    }
+
+    template<class FloatingType>
+    requires std::is_floating_point_v<FloatingType>
+    [[nodiscard]]
+    constexpr FloatingType meters_to_units(const FloatingType& meters)
+    {
+        return meters;
+    }
+
+    template<class FloatingType>
+    requires std::is_floating_point_v<FloatingType>
+    [[nodiscard]]
+    constexpr FloatingType kilometers_to_units(const FloatingType& kilometers)
+    {
+        return meters_to_units(kilometers * static_cast<FloatingType>(1000));
+    }
 } // namespace omath::opengl_engine

include/omath/engines/opengl_engine/primitives.hpp

@@ -0,0 +1,17 @@
+//
+// Created by Vladislav on 27.01.2026.
+//
+
+#pragma once
+#include "mesh.hpp"
+#include "omath/engines/opengl_engine/traits/mesh_trait.hpp"
+#include "omath/linear_algebra/vector3.hpp"
+#include <array>
+namespace omath::opengl_engine
+{
+    using BoxMesh = primitives::Mesh<Mat4X4, ViewAngles, MeshTrait, primitives::Vertex<>, std::array<Vector3<float>, 8>,
+                                     std::array<Vector3<std::uint32_t>, 12>>;
+
+    using PlaneMesh = primitives::Mesh<Mat4X4, ViewAngles, MeshTrait, primitives::Vertex<>,
+                           std::array<Vector3<float>, 4>, std::array<Vector3<std::uint32_t>, 2>>;
+} // namespace omath::opengl_engine

include/omath/engines/source_engine/formulas.hpp

@@ -22,4 +22,54 @@ namespace omath::source_engine
 
     [[nodiscard]]
     Mat4X4 calc_perspective_projection_matrix(float field_of_view, float aspect_ratio, float near, float far) noexcept;
+
+    template<class FloatingType>
+    requires std::is_floating_point_v<FloatingType>
+    [[nodiscard]]
+    constexpr FloatingType units_to_centimeters(const FloatingType& units)
+    {
+        constexpr auto centimeter_in_unit = static_cast<FloatingType>(2.54);
+        return units * centimeter_in_unit;
+    }
+
+    template<class FloatingType>
+    requires std::is_floating_point_v<FloatingType>
+    [[nodiscard]]
+    constexpr FloatingType units_to_meters(const FloatingType& units)
+    {
+        return units_to_centimeters(units) / static_cast<FloatingType>(100);
+    }
+
+    template<class FloatingType>
+    requires std::is_floating_point_v<FloatingType>
+    [[nodiscard]]
+    constexpr FloatingType units_to_kilometers(const FloatingType& units)
+    {
+        return units_to_meters(units) / static_cast<FloatingType>(1000);
+    }
+
+    template<class FloatingType>
+    requires std::is_floating_point_v<FloatingType>
+    [[nodiscard]]
+    constexpr FloatingType centimeters_to_units(const FloatingType& centimeters)
+    {
+        constexpr auto centimeter_in_unit = static_cast<FloatingType>(2.54);
+        return centimeters / centimeter_in_unit;
+    }
+
+    template<class FloatingType>
+    requires std::is_floating_point_v<FloatingType>
+    [[nodiscard]]
+    constexpr FloatingType meters_to_units(const FloatingType& meters)
+    {
+        return centimeters_to_units(meters * static_cast<FloatingType>(100));
+    }
+
+    template<class FloatingType>
+    requires std::is_floating_point_v<FloatingType>
+    [[nodiscard]]
+    constexpr FloatingType kilometers_to_units(const FloatingType& kilometers)
+    {
+        return meters_to_units(kilometers * static_cast<FloatingType>(1000));
+    }
 } // namespace omath::source_engine

include/omath/engines/source_engine/primitives.hpp

@@ -0,0 +1,17 @@
+//
+// Created by Vladislav on 27.01.2026.
+//
+
+#pragma once
+#include "mesh.hpp"
+#include "omath/engines/source_engine/traits/mesh_trait.hpp"
+#include "omath/linear_algebra/vector3.hpp"
+#include <array>
+namespace omath::source_engine
+{
+    using BoxMesh = primitives::Mesh<Mat4X4, ViewAngles, MeshTrait, primitives::Vertex<>, std::array<Vector3<float>, 8>,
+                                     std::array<Vector3<std::uint32_t>, 12>>;
+
+    using PlaneMesh = primitives::Mesh<Mat4X4, ViewAngles, MeshTrait, primitives::Vertex<>,
+                           std::array<Vector3<float>, 4>, std::array<Vector3<std::uint32_t>, 2>>;
+} // namespace omath::source_engine

include/omath/engines/unity_engine/formulas.hpp

@@ -23,4 +23,52 @@ namespace omath::unity_engine
 
     [[nodiscard]]
     Mat4X4 calc_perspective_projection_matrix(float field_of_view, float aspect_ratio, float near, float far) noexcept;
+
+    template<class FloatingType>
+    requires std::is_floating_point_v<FloatingType>
+    [[nodiscard]]
+    constexpr FloatingType units_to_centimeters(const FloatingType& units)
+    {
+        return units / static_cast<FloatingType>(100);
+    }
+
+    template<class FloatingType>
+    requires std::is_floating_point_v<FloatingType>
+    [[nodiscard]]
+    constexpr FloatingType units_to_meters(const FloatingType& units)
+    {
+        return units;
+    }
+
+    template<class FloatingType>
+    requires std::is_floating_point_v<FloatingType>
+    [[nodiscard]]
+    constexpr FloatingType units_to_kilometers(const FloatingType& units)
+    {
+        return units_to_meters(units) / static_cast<FloatingType>(1000);
+    }
+
+    template<class FloatingType>
+    requires std::is_floating_point_v<FloatingType>
+    [[nodiscard]]
+    constexpr FloatingType centimeters_to_units(const FloatingType& centimeters)
+    {
+        return centimeters * static_cast<FloatingType>(100);
+    }
+
+    template<class FloatingType>
+    requires std::is_floating_point_v<FloatingType>
+    [[nodiscard]]
+    constexpr FloatingType meters_to_units(const FloatingType& meters)
+    {
+        return meters;
+    }
+
+    template<class FloatingType>
+    requires std::is_floating_point_v<FloatingType>
+    [[nodiscard]]
+    constexpr FloatingType kilometers_to_units(const FloatingType& kilometers)
+    {
+        return meters_to_units(kilometers * static_cast<FloatingType>(1000));
+    }
 } // namespace omath::unity_engine

include/omath/engines/unity_engine/primitives.hpp

@@ -0,0 +1,17 @@
+//
+// Created by Vladislav on 27.01.2026.
+//
+
+#pragma once
+#include "mesh.hpp"
+#include "omath/engines/unity_engine/traits/mesh_trait.hpp"
+#include "omath/linear_algebra/vector3.hpp"
+#include <array>
+namespace omath::unity_engine
+{
+    using BoxMesh = primitives::Mesh<Mat4X4, ViewAngles, MeshTrait, primitives::Vertex<>, std::array<Vector3<float>, 8>,
+                                     std::array<Vector3<std::uint32_t>, 12>>;
+
+    using PlaneMesh = primitives::Mesh<Mat4X4, ViewAngles, MeshTrait, primitives::Vertex<>,
+                           std::array<Vector3<float>, 4>, std::array<Vector3<std::uint32_t>, 2>>;
+} // namespace omath::unity_engine

include/omath/engines/unreal_engine/formulas.hpp

@@ -23,4 +23,52 @@ namespace omath::unreal_engine
 
     [[nodiscard]]
     Mat4X4 calc_perspective_projection_matrix(float field_of_view, float aspect_ratio, float near, float far) noexcept;
+
+    template<class FloatingType>
+    requires std::is_floating_point_v<FloatingType>
+    [[nodiscard]]
+    constexpr FloatingType units_to_centimeters(const FloatingType& units)
+    {
+        return units;
+    }
+
+    template<class FloatingType>
+    requires std::is_floating_point_v<FloatingType>
+    [[nodiscard]]
+    constexpr FloatingType units_to_meters(const FloatingType& units)
+    {
+        return units / static_cast<FloatingType>(100);
+    }
+
+    template<class FloatingType>
+    requires std::is_floating_point_v<FloatingType>
+    [[nodiscard]]
+    constexpr FloatingType units_to_kilometers(const FloatingType& units)
+    {
+        return units_to_meters(units) / static_cast<FloatingType>(1000);
+    }
+
+    template<class FloatingType>
+    requires std::is_floating_point_v<FloatingType>
+    [[nodiscard]]
+    constexpr FloatingType centimeters_to_units(const FloatingType& centimeters)
+    {
+        return centimeters;
+    }
+
+    template<class FloatingType>
+    requires std::is_floating_point_v<FloatingType>
+    [[nodiscard]]
+    constexpr FloatingType meters_to_units(const FloatingType& meters)
+    {
+        return meters * static_cast<FloatingType>(100);
+    }
+
+    template<class FloatingType>
+    requires std::is_floating_point_v<FloatingType>
+    [[nodiscard]]
+    constexpr FloatingType kilometers_to_units(const FloatingType& kilometers)
+    {
+        return meters_to_units(kilometers * static_cast<FloatingType>(1000));
+    }
 } // namespace omath::unreal_engine

include/omath/engines/unreal_engine/primitives.hpp

@@ -0,0 +1,17 @@
+//
+// Created by Vladislav on 27.01.2026.
+//
+
+#pragma once
+#include "mesh.hpp"
+#include "omath/engines/unreal_engine/traits/mesh_trait.hpp"
+#include "omath/linear_algebra/vector3.hpp"
+#include <array>
+namespace omath::unreal_engine
+{
+    using BoxMesh = primitives::Mesh<Mat4X4, ViewAngles, MeshTrait, primitives::Vertex<>, std::array<Vector3<float>, 8>,
+                                     std::array<Vector3<std::uint32_t>, 12>>;
+
+    using PlaneMesh = primitives::Mesh<Mat4X4, ViewAngles, MeshTrait, primitives::Vertex<>,
+                           std::array<Vector3<float>, 4>, std::array<Vector3<std::uint32_t>, 2>>;
+} // namespace omath::unreal_engine

include/omath/utility/macho_pattern_scan.hpp

@@ -0,0 +1,25 @@
+//
+// Created by Copilot on 04.02.2026.
+//
+#pragma once
+#include <cstdint>
+#include <filesystem>
+#include <optional>
+#include <string_view>
+#include "section_scan_result.hpp"
+namespace omath
+{
+    class MachOPatternScanner final
+    {
+    public:
+        [[nodiscard]]
+        static std::optional<std::uintptr_t>
+        scan_for_pattern_in_loaded_module(const void* module_base_address, const std::string_view& pattern,
+                                          const std::string_view& target_section_name = "__text");
+
+        [[nodiscard]]
+        static std::optional<SectionScanResult>
+        scan_for_pattern_in_file(const std::filesystem::path& path_to_file, const std::string_view& pattern,
+                                 const std::string_view& target_section_name = "__text");
+    };
+} // namespace omath

pixi.toml

@@ -0,0 +1,69 @@
+[workspace]
+name = "omath"
+version = "5.7.0"
+description = "Cross-platform modern general purpose math library written in C++23 that suitable for cheat/game development."
+authors = [
+    "orange-cpp <orange_github@proton.me>"
+]
+
+license = "Zlib"
+license-file = "LICENSE"
+readme = "README.md"
+documentation = "http://libomath.org"
+repository = "https://github.com/orange-cpp/omath"
+
+channels = ["conda-forge"]
+platforms = ["win-64", "linux-64", "linux-aarch64", "osx-64", "osx-arm64"]
+
+[tasks]
+format = { cwd = "pixi", cmd = "cmake -P fmt.cmake" }
+configure = { cmd = "cmake -G Ninja -B build -DCMAKE_BUILD_TYPE=Debug -DCMAKE_CXX_COMPILER_LAUNCHER=ccache -DOMATH_USE_AVX2=OFF -DOMATH_IMGUI_INTEGRATION=ON -DOMATH_BUILD_TESTS=ON -DOMATH_BUILD_BENCHMARK=ON -DOMATH_BUILD_EXAMPLES=ON .", depends-on = ["format"] }
+build = { cmd = "cmake --build build --config Debug -j", depends-on = ["configure"] }
+examples = { cwd = "pixi", cmd = "cmake -DCMAKE_BUILD_TYPE=Debug -P run.examples.cmake", depends-on = ["build"] }
+tests = { cwd = "pixi", cmd = "cmake -DCMAKE_BUILD_TYPE=Debug -P run.unit.tests.cmake", depends-on = ["build"] }
+benchmark = { cwd = "pixi", cmd = "cmake -DCMAKE_BUILD_TYPE=Debug -P run.benchmark.cmake", depends-on = ["build"] }
+
+[dependencies]
+benchmark = ">=1.9.5,<2"
+ccache = ">=4.12.2,<5"
+cmake = ">=4.2.3,<5"
+cmake-format = ">=0.6.13,<0.7"
+cxx-compiler = ">=1.11.0,<2"
+imgui = ">=1.92.3,<2"
+gtest = ">=1.17.0,<2"
+glew = ">=2.3.0,<3"
+glfw = ">=3.4,<4"
+ninja = ">=1.13.2,<2"
+
+[target.linux-64.dependencies]
+mesa-libgl-devel-cos7-x86_64 = ">=18.3.4,<19"
+xorg-x11-server-xvfb-cos7-x86_64 = ">=1.20.4,<2"
+
+[target.linux-64.activation.env]
+__GLX_VENDOR_LIBRARY_NAME = "mesa"
+EGL_PLATFORM = "x11"
+GLFW_PLATFORM = "x11"
+
+[target.linux-64.tasks]
+examples = { cwd = "pixi", cmd = "xvfb-run -a -s '-screen 0 1024x768x24 +extension GLX +render' cmake -DCMAKE_BUILD_TYPE=Debug -P run.examples.cmake", depends-on = ["build"] }
+
+[target.win-64.dependencies]
+mesa-libgl-devel-cos7-x86_64 = ">=18.3.4,<19"
+
+[target.osx-64.dependencies]
+mesa-libgl-devel-cos7-x86_64 = ">=18.3.4,<19"
+
+[target.osx-arm64.dependencies]
+mesa-libgl-devel-cos7-aarch64 = ">=18.3.4,<19"
+
+[target.linux-aarch64.dependencies]
+mesa-libgl-devel-cos7-aarch64 = ">=18.3.4,<19"
+xorg-x11-server-xvfb-cos7-aarch64 = ">=1.20.4,<2"
+
+[target.linux-aarch64.activation.env]
+__GLX_VENDOR_LIBRARY_NAME = "mesa"
+EGL_PLATFORM = "x11"
+GLFW_PLATFORM = "x11"
+
+[target.linux-aarch64.tasks]
+examples = { cwd = "pixi", cmd = "xvfb-run -a -s '-screen 0 1024x768x24 +extension GLX +render' cmake -DCMAKE_BUILD_TYPE=Debug -P run.examples.cmake", depends-on = ["build"] }

pixi/fmt.cmake

@@ -0,0 +1,36 @@
+# cmake/Format.cmake
+
+# Find cmake-format executable
+find_program(CMAKE_FORMAT_EXECUTABLE NAMES cmake-format)
+
+if(NOT CMAKE_FORMAT_EXECUTABLE)
+    message(FATAL_ERROR "cmake-format not found. Please install it first.")
+endif()
+
+# Get the project root directory (assuming this script is in cmake/
+# subdirectory)
+get_filename_component(PROJECT_ROOT "../${CMAKE_CURRENT_LIST_DIR}" ABSOLUTE)
+
+# Iterate over all files in the project root
+file(GLOB_RECURSE ALL_FILES "${PROJECT_ROOT}/*")
+
+foreach(FILE ${ALL_FILES})
+    # Basic ignores for common directories to avoid formatting external/build
+    # files Note: We check for substrings in the full path
+    if("${FILE}" MATCHES "/\\.git/"
+       OR "${FILE}" MATCHES "/build/"
+       OR "${FILE}" MATCHES "/cmake-build/"
+       OR "${FILE}" MATCHES "/\\.pixi/"
+       OR "${FILE}" MATCHES "/vcpkg_installed/")
+        continue()
+    endif()
+
+    get_filename_component(FILENAME "${FILE}" NAME)
+
+    # Check if file ends with .cmake or matches exactly to CMakeLists.txt
+    if("${FILENAME}" STREQUAL "CMakeLists.txt" OR "${FILENAME}" MATCHES "\\.cmake$")
+        message(STATUS "Formatting ${FILE}")
+        execute_process(COMMAND ${CMAKE_FORMAT_EXECUTABLE} --config-files
+                                "${PROJECT_ROOT}/.cmake-format" -i "${FILE}")
+    endif()
+endforeach()

pixi/run.benchmark.cmake

@@ -0,0 +1,63 @@
+# cmake/run.examples.cmake
+
+# Get the project root directory (assuming this script is in cmake/ subdirectory)
+get_filename_component(PROJECT_ROOT "${CMAKE_CURRENT_LIST_DIR}/.." ABSOLUTE)
+
+# Default to Debug if CMAKE_BUILD_TYPE is not specified
+if(NOT CMAKE_BUILD_TYPE)
+    set(CMAKE_BUILD_TYPE "Debug")
+else()
+    message(STATUS "CMAKE_BUILD_TYPE is set to: ${CMAKE_BUILD_TYPE}")
+endif()
+
+# Define the directory where executables are located
+# Based on CMakeLists.txt: "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
+set(EXAMPLES_BIN_DIR "${PROJECT_ROOT}/out/${CMAKE_BUILD_TYPE}")
+
+if(NOT EXISTS "${EXAMPLES_BIN_DIR}")
+    message(FATAL_ERROR "Examples binary directory not found: ${EXAMPLES_BIN_DIR}. Please build the project first.")
+endif()
+
+message(STATUS "Looking for benchmark executables in: ${EXAMPLES_BIN_DIR}")
+
+# Find all files starting with "omath_benchmark"
+file(GLOB EXAMPLE_FILES "${EXAMPLES_BIN_DIR}/omath_benchmark*")
+
+foreach(EXAMPLE_PATH ${EXAMPLE_FILES})
+    # Skip directories
+    if(IS_DIRECTORY "${EXAMPLE_PATH}")
+        continue()
+    endif()
+
+    get_filename_component(FILENAME "${EXAMPLE_PATH}" NAME)
+    get_filename_component(EXTENSION "${EXAMPLE_PATH}" EXT)
+
+    # Filter out potential debug symbols or non-executable artifacts
+    if(EXTENSION STREQUAL ".pdb" OR EXTENSION STREQUAL ".ilk" OR EXTENSION STREQUAL ".obj")
+        continue()
+    endif()
+
+    # On Windows, we expect .exe
+    if(MSVC AND NOT EXTENSION STREQUAL ".exe")
+        continue()
+    endif()
+
+    # On Linux/macOS, check permissions or just try to run it.
+    
+    message(STATUS "-------------------------------------------------")
+    message(STATUS "Running benchmark: ${FILENAME}")
+    message(STATUS "-------------------------------------------------")
+
+    execute_process(
+        COMMAND "${EXAMPLE_PATH}"
+        WORKING_DIRECTORY "${PROJECT_ROOT}"
+        RESULT_VARIABLE EXIT_CODE
+    )
+
+    if(NOT EXIT_CODE EQUAL 0)
+        message(WARNING "Benchmark ${FILENAME} exited with error code: ${EXIT_CODE}")
+    else()
+        message(STATUS "Benchmark ${FILENAME} completed successfully.")
+    endif()
+
+endforeach()

pixi/run.examples.cmake

@@ -0,0 +1,63 @@
+# cmake/run.examples.cmake
+
+# Get the project root directory (assuming this script is in cmake/ subdirectory)
+get_filename_component(PROJECT_ROOT "${CMAKE_CURRENT_LIST_DIR}/.." ABSOLUTE)
+
+# Default to Debug if CMAKE_BUILD_TYPE is not specified
+if(NOT CMAKE_BUILD_TYPE)
+    set(CMAKE_BUILD_TYPE "Debug")
+else()
+    message(STATUS "CMAKE_BUILD_TYPE is set to: ${CMAKE_BUILD_TYPE}")
+endif()
+
+# Define the directory where executables are located
+# Based on CMakeLists.txt: "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
+set(EXAMPLES_BIN_DIR "${PROJECT_ROOT}/out/${CMAKE_BUILD_TYPE}")
+
+if(NOT EXISTS "${EXAMPLES_BIN_DIR}")
+    message(FATAL_ERROR "Examples binary directory not found: ${EXAMPLES_BIN_DIR}. Please build the project first.")
+endif()
+
+message(STATUS "Looking for example executables in: ${EXAMPLES_BIN_DIR}")
+
+# Find all files starting with "example_"
+file(GLOB EXAMPLE_FILES "${EXAMPLES_BIN_DIR}/example_*")
+
+foreach(EXAMPLE_PATH ${EXAMPLE_FILES})
+    # Skip directories
+    if(IS_DIRECTORY "${EXAMPLE_PATH}")
+        continue()
+    endif()
+
+    get_filename_component(FILENAME "${EXAMPLE_PATH}" NAME)
+    get_filename_component(EXTENSION "${EXAMPLE_PATH}" EXT)
+
+    # Filter out potential debug symbols or non-executable artifacts
+    if(EXTENSION STREQUAL ".pdb" OR EXTENSION STREQUAL ".ilk" OR EXTENSION STREQUAL ".obj")
+        continue()
+    endif()
+
+    # On Windows, we expect .exe
+    if(MSVC AND NOT EXTENSION STREQUAL ".exe")
+        continue()
+    endif()
+
+    # On Linux/macOS, check permissions or just try to run it.
+    
+    message(STATUS "-------------------------------------------------")
+    message(STATUS "Running example: ${FILENAME}")
+    message(STATUS "-------------------------------------------------")
+
+    execute_process(
+        COMMAND "${EXAMPLE_PATH}"
+        WORKING_DIRECTORY "${PROJECT_ROOT}"
+        RESULT_VARIABLE EXIT_CODE
+    )
+
+    if(NOT EXIT_CODE EQUAL 0)
+        message(WARNING "Example ${FILENAME} exited with error code: ${EXIT_CODE}")
+    else()
+        message(STATUS "Example ${FILENAME} completed successfully.")
+    endif()
+
+endforeach()

pixi/run.unit.tests.cmake

@@ -0,0 +1,63 @@
+# cmake/run.examples.cmake
+
+# Get the project root directory (assuming this script is in cmake/ subdirectory)
+get_filename_component(PROJECT_ROOT "${CMAKE_CURRENT_LIST_DIR}/.." ABSOLUTE)
+
+# Default to Debug if CMAKE_BUILD_TYPE is not specified
+if(NOT CMAKE_BUILD_TYPE)
+    set(CMAKE_BUILD_TYPE "Debug")
+else()
+    message(STATUS "CMAKE_BUILD_TYPE is set to: ${CMAKE_BUILD_TYPE}")
+endif()
+
+# Define the directory where executables are located
+# Based on CMakeLists.txt: "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
+set(EXAMPLES_BIN_DIR "${PROJECT_ROOT}/out/${CMAKE_BUILD_TYPE}")
+
+if(NOT EXISTS "${EXAMPLES_BIN_DIR}")
+    message(FATAL_ERROR "Examples binary directory not found: ${EXAMPLES_BIN_DIR}. Please build the project first.")
+endif()
+
+message(STATUS "Looking for unit test executables in: ${EXAMPLES_BIN_DIR}")
+
+# Find all files starting with "unit_tests"
+file(GLOB EXAMPLE_FILES "${EXAMPLES_BIN_DIR}/unit_tests*")
+
+foreach(EXAMPLE_PATH ${EXAMPLE_FILES})
+    # Skip directories
+    if(IS_DIRECTORY "${EXAMPLE_PATH}")
+        continue()
+    endif()
+
+    get_filename_component(FILENAME "${EXAMPLE_PATH}" NAME)
+    get_filename_component(EXTENSION "${EXAMPLE_PATH}" EXT)
+
+    # Filter out potential debug symbols or non-executable artifacts
+    if(EXTENSION STREQUAL ".pdb" OR EXTENSION STREQUAL ".ilk" OR EXTENSION STREQUAL ".obj")
+        continue()
+    endif()
+
+    # On Windows, we expect .exe
+    if(MSVC AND NOT EXTENSION STREQUAL ".exe")
+        continue()
+    endif()
+
+    # On Linux/macOS, check permissions or just try to run it.
+    
+    message(STATUS "-------------------------------------------------")
+    message(STATUS "Running unit_tests: ${FILENAME}")
+    message(STATUS "-------------------------------------------------")
+
+    execute_process(
+        COMMAND "${EXAMPLE_PATH}"
+        WORKING_DIRECTORY "${PROJECT_ROOT}"
+        RESULT_VARIABLE EXIT_CODE
+    )
+
+    if(NOT EXIT_CODE EQUAL 0)
+        message(WARNING "Example ${FILENAME} exited with error code: ${EXIT_CODE}")
+    else()
+        message(STATUS "Example ${FILENAME} completed successfully.")
+    endif()
+
+endforeach()

source/3d_primitives/box.cpp

@@ -1,54 +0,0 @@
-//
-// Created by Vlad on 4/18/2025.
-//
-#include "omath/3d_primitives/box.hpp"
-
-namespace omath::primitives
-{
-    std::array<Triangle<Vector3<float>>, 12> create_box(const Vector3<float>& top, const Vector3<float>& bottom,
-                                                        const Vector3<float>& dir_forward,
-                                                        const Vector3<float>& dir_right, const float ratio) noexcept
-    {
-        const auto height = top.distance_to(bottom);
-        const auto side_size = height / ratio;
-
-        // corner layout (0‑3 bottom, 4‑7 top)
-        std::array<Vector3<float>, 8> p;
-        p[0] = bottom + (dir_forward + dir_right) * side_size; // front‑right‑bottom
-        p[1] = bottom + (dir_forward - dir_right) * side_size; // front‑left‑bottom
-        p[2] = bottom + (-dir_forward + dir_right) * side_size; // back‑right‑bottom
-        p[3] = bottom + (-dir_forward - dir_right) * side_size; // back‑left‑bottom
-        p[4] = top + (dir_forward + dir_right) * side_size; // front‑right‑top
-        p[5] = top + (dir_forward - dir_right) * side_size; // front‑left‑top
-        p[6] = top + (-dir_forward + dir_right) * side_size; // back‑right‑top
-        p[7] = top + (-dir_forward - dir_right) * side_size; // back‑left‑top
-
-        std::array<Triangle<Vector3<float>>, 12> poly;
-
-        // bottom face (+Y up ⇒ wind CW when viewed from above)
-        poly[0] = {p[0], p[2], p[3]};
-        poly[1] = {p[0], p[3], p[1]};
-
-        // top face
-        poly[2] = {p[4], p[7], p[6]};
-        poly[3] = {p[4], p[5], p[7]};
-
-        // front face
-        poly[4] = {p[0], p[5], p[1]};
-        poly[5] = {p[0], p[4], p[5]};
-
-        // right face
-        poly[6] = {p[0], p[6], p[2]};
-        poly[7] = {p[0], p[4], p[6]};
-
-        // back face
-        poly[8] = {p[2], p[7], p[3]};
-        poly[9] = {p[2], p[6], p[7]};
-
-        // left face
-        poly[10] = {p[1], p[7], p[5]};
-        poly[11] = {p[1], p[3], p[7]};
-
-        return poly;
-    }
-} // namespace omath::primitives

source/3d_primitives/plane.cpp

@@ -1,19 +0,0 @@
-//
-// 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

@@ -1,61 +0,0 @@
-//
-// Created by Orange on 11/13/2024.
-//
-#include "omath/collision/line_tracer.hpp"
-
-namespace omath::collision
-{
-    bool LineTracer::can_trace_line(const Ray& ray, const Triangle<Vector3<float>>& triangle) noexcept
-    {
-        return get_ray_hit_point(ray, triangle) == ray.end;
-    }
-    Vector3<float> Ray::direction_vector() const noexcept
-    {
-        return end - start;
-    }
-
-    Vector3<float> Ray::direction_vector_normalized() const noexcept
-    {
-        return direction_vector().normalized();
-    }
-
-    Vector3<float> LineTracer::get_ray_hit_point(const Ray& ray, const Triangle<Vector3<float>>& triangle) noexcept
-    {
-        constexpr float k_epsilon = std::numeric_limits<float>::epsilon();
-
-        const auto side_a = triangle.side_a_vector();
-        const auto side_b = triangle.side_b_vector();
-
-        const auto ray_dir = ray.direction_vector();
-
-        const auto p = ray_dir.cross(side_b);
-        const auto det = side_a.dot(p);
-
-        if (std::abs(det) < k_epsilon)
-            return ray.end;
-
-        const auto inv_det = 1.0f / det;
-        const auto t = ray.start - triangle.m_vertex2;
-        const auto u = t.dot(p) * inv_det;
-
-        if ((u < 0 && std::abs(u) > k_epsilon) || (u > 1 && std::abs(u - 1) > k_epsilon))
-            return ray.end;
-
-        const auto q = t.cross(side_a);
-        // ReSharper disable once CppTooWideScopeInitStatement
-        const auto v = ray_dir.dot(q) * inv_det;
-
-        if ((v < 0 && std::abs(v) > k_epsilon) || (u + v > 1 && std::abs(u + v - 1) > k_epsilon))
-            return ray.end;
-
-        const auto t_hit = side_b.dot(q) * inv_det;
-
-        if (ray.infinite_length && t_hit <= k_epsilon)
-            return ray.end;
-
-        if (t_hit <= k_epsilon || t_hit > 1.0f - k_epsilon)
-            return ray.end;
-
-        return ray.start + ray_dir * t_hit;
-    }
-} // namespace omath::collision

source/utility/macho_pattern_scan.cpp

@@ -0,0 +1,349 @@
+//
+// Created by Copilot on 04.02.2026.
+//
+#include "omath/utility/macho_pattern_scan.hpp"
+#include "omath/utility/pattern_scan.hpp"
+#include <cstring>
+#include <fstream>
+#include <variant>
+#include <vector>
+
+#pragma pack(push, 1)
+
+namespace
+{
+    // Mach-O magic numbers
+    constexpr std::uint32_t mh_magic_32 = 0xFEEDFACE;
+    constexpr std::uint32_t mh_magic_64 = 0xFEEDFACF;
+    constexpr std::uint32_t mh_cigam_32 = 0xCEFAEDFE; // Byte-swapped 32-bit
+    constexpr std::uint32_t mh_cigam_64 = 0xCFFAEDFE; // Byte-swapped 64-bit
+
+    // Load command types
+    constexpr std::uint32_t lc_segment = 0x1;
+    constexpr std::uint32_t lc_segment_64 = 0x19;
+
+    // ReSharper disable CppDeclaratorNeverUsed
+    // Mach-O header for 32-bit
+    struct MachHeader32 final
+    {
+        std::uint32_t magic;
+        std::uint32_t cputype;
+        std::uint32_t cpusubtype;
+        std::uint32_t filetype;
+        std::uint32_t ncmds;
+        std::uint32_t sizeofcmds;
+        std::uint32_t flags;
+    };
+
+    // Mach-O header for 64-bit
+    struct MachHeader64 final
+    {
+        std::uint32_t magic;
+        std::uint32_t cputype;
+        std::uint32_t cpusubtype;
+        std::uint32_t filetype;
+        std::uint32_t ncmds;
+        std::uint32_t sizeofcmds;
+        std::uint32_t flags;
+        std::uint32_t reserved;
+    };
+
+    // Load command header
+    struct LoadCommand final
+    {
+        std::uint32_t cmd;
+        std::uint32_t cmdsize;
+    };
+
+    // Segment command for 32-bit
+    struct SegmentCommand32 final
+    {
+        std::uint32_t cmd;
+        std::uint32_t cmdsize;
+        char segname[16];
+        std::uint32_t vmaddr;
+        std::uint32_t vmsize;
+        std::uint32_t fileoff;
+        std::uint32_t filesize;
+        std::uint32_t maxprot;
+        std::uint32_t initprot;
+        std::uint32_t nsects;
+        std::uint32_t flags;
+    };
+
+    // Segment command for 64-bit
+    struct SegmentCommand64 final
+    {
+        std::uint32_t cmd;
+        std::uint32_t cmdsize;
+        char segname[16];
+        std::uint64_t vmaddr;
+        std::uint64_t vmsize;
+        std::uint64_t fileoff;
+        std::uint64_t filesize;
+        std::uint32_t maxprot;
+        std::uint32_t initprot;
+        std::uint32_t nsects;
+        std::uint32_t flags;
+    };
+
+    // Section for 32-bit
+    struct Section32 final
+    {
+        char sectname[16];
+        char segname[16];
+        std::uint32_t addr;
+        std::uint32_t size;
+        std::uint32_t offset;
+        std::uint32_t align;
+        std::uint32_t reloff;
+        std::uint32_t nreloc;
+        std::uint32_t flags;
+        std::uint32_t reserved1;
+        std::uint32_t reserved2;
+    };
+
+    // Section for 64-bit
+    struct Section64 final
+    {
+        char sectname[16];
+        char segname[16];
+        std::uint64_t addr;
+        std::uint64_t size;
+        std::uint32_t offset;
+        std::uint32_t align;
+        std::uint32_t reloff;
+        std::uint32_t nreloc;
+        std::uint32_t flags;
+        std::uint32_t reserved1;
+        std::uint32_t reserved2;
+        std::uint32_t reserved3;
+    };
+    // ReSharper enable CppDeclaratorNeverUsed
+#pragma pack(pop)
+
+    enum class MachOArch : std::int8_t
+    {
+        x32,
+        x64,
+    };
+
+    struct ExtractedSection final
+    {
+        std::uintptr_t virtual_base_addr{};
+        std::uintptr_t raw_base_addr{};
+        std::vector<std::byte> data;
+    };
+
+    [[nodiscard]]
+    std::optional<MachOArch> get_macho_arch(std::fstream& file)
+    {
+        std::uint32_t magic{};
+        const std::streampos backup_pos = file.tellg();
+
+        file.seekg(0, std::ios_base::beg);
+        file.read(reinterpret_cast<char*>(&magic), sizeof(magic));
+        file.seekg(backup_pos, std::ios_base::beg);
+
+        if (magic == mh_magic_64 || magic == mh_cigam_64)
+            return MachOArch::x64;
+
+        if (magic == mh_magic_32 || magic == mh_cigam_32)
+            return MachOArch::x32;
+
+        return std::nullopt;
+    }
+
+    [[nodiscard]]
+    bool is_macho_file(std::fstream& file)
+    {
+        return get_macho_arch(file).has_value();
+    }
+
+    [[nodiscard]]
+    std::string_view get_section_name(const char* sectname)
+    {
+        // Mach-O section names are fixed 16-byte arrays, not necessarily null-terminated
+        return std::string_view(sectname, std::min(std::strlen(sectname), std::size_t{16}));
+    }
+
+    template<typename HeaderType, typename SegmentType, typename SectionType, std::uint32_t segment_cmd>
+    std::optional<ExtractedSection> extract_section_impl(std::fstream& file, const std::string_view& section_name)
+    {
+        HeaderType header{};
+        file.seekg(0, std::ios_base::beg);
+        if (!file.read(reinterpret_cast<char*>(&header), sizeof(header))) [[unlikely]]
+            return std::nullopt;
+
+        std::streamoff cmd_offset = sizeof(header);
+
+        for (std::uint32_t i = 0; i < header.ncmds; ++i)
+        {
+            LoadCommand lc{};
+            file.seekg(cmd_offset, std::ios_base::beg);
+            if (!file.read(reinterpret_cast<char*>(&lc), sizeof(lc))) [[unlikely]]
+                return std::nullopt;
+
+            if (lc.cmd != segment_cmd)
+            {
+                cmd_offset += static_cast<std::streamoff>(lc.cmdsize);
+                continue;
+            }
+            SegmentType segment{};
+            file.seekg(cmd_offset, std::ios_base::beg);
+            if (!file.read(reinterpret_cast<char*>(&segment), sizeof(segment))) [[unlikely]]
+                return std::nullopt;
+
+            if (!segment.nsects)
+            {
+                cmd_offset += static_cast<std::streamoff>(lc.cmdsize);
+                continue;
+            }
+            std::streamoff sect_offset = cmd_offset + static_cast<std::streamoff>(sizeof(segment));
+
+            for (std::uint32_t j = 0; j < segment.nsects; ++j)
+            {
+                SectionType section{};
+                file.seekg(sect_offset, std::ios_base::beg);
+                if (!file.read(reinterpret_cast<char*>(&section), sizeof(section))) [[unlikely]]
+                    return std::nullopt;
+
+                if (get_section_name(section.sectname) != section_name)
+                {
+                    sect_offset += static_cast<std::streamoff>(sizeof(section));
+                    continue;
+                }
+
+                ExtractedSection out;
+                out.virtual_base_addr = static_cast<std::uintptr_t>(section.addr);
+                out.raw_base_addr = static_cast<std::uintptr_t>(section.offset);
+                out.data.resize(static_cast<std::size_t>(section.size));
+
+                file.seekg(static_cast<std::streamoff>(section.offset), std::ios_base::beg);
+                if (!file.read(reinterpret_cast<char*>(out.data.data()), static_cast<std::streamsize>(out.data.size())))
+                        [[unlikely]]
+                    return std::nullopt;
+
+                return out;
+            }
+        }
+
+        return std::nullopt;
+    }
+
+    [[nodiscard]]
+    std::optional<ExtractedSection> get_macho_section_by_name(const std::filesystem::path& path,
+                                                              const std::string_view& section_name)
+    {
+        std::fstream file(path, std::ios::binary | std::ios::in);
+
+        if (!file.is_open()) [[unlikely]]
+            return std::nullopt;
+
+        if (!is_macho_file(file)) [[unlikely]]
+            return std::nullopt;
+
+        const auto arch = get_macho_arch(file);
+
+        if (!arch.has_value()) [[unlikely]]
+            return std::nullopt;
+
+        if (arch.value() == MachOArch::x64)
+            return extract_section_impl<MachHeader64, SegmentCommand64, Section64, lc_segment_64>(file, section_name);
+        return extract_section_impl<MachHeader32, SegmentCommand32, Section32, lc_segment>(file, section_name);
+    }
+
+    template<typename HeaderType, typename SegmentType, typename SectionType, std::uint32_t segment_cmd>
+    std::optional<std::uintptr_t> scan_in_module_impl(const std::byte* base, const std::string_view pattern,
+                                                      const std::string_view target_section_name)
+    {
+        const auto* header = reinterpret_cast<const HeaderType*>(base);
+
+        std::size_t cmd_offset = sizeof(HeaderType);
+
+        for (std::uint32_t i = 0; i < header->ncmds; ++i)
+        {
+            const auto* lc = reinterpret_cast<const LoadCommand*>(base + cmd_offset);
+
+            if (lc->cmd != segment_cmd)
+            {
+                cmd_offset += lc->cmdsize;
+                continue;
+            }
+            const auto* segment = reinterpret_cast<const SegmentType*>(base + cmd_offset);
+            std::size_t sect_offset = cmd_offset + sizeof(SegmentType);
+
+            for (std::uint32_t j = 0; j < segment->nsects; ++j)
+            {
+                const auto* section = reinterpret_cast<const SectionType*>(base + sect_offset);
+
+                if (get_section_name(section->sectname) != target_section_name && section->size > 0)
+                {
+                    sect_offset += sizeof(SectionType);
+                    continue;
+                }
+                const auto* section_begin = base + static_cast<std::size_t>(section->addr);
+                const auto* section_end = section_begin + static_cast<std::size_t>(section->size);
+
+                const auto scan_result = omath::PatternScanner::scan_for_pattern(section_begin, section_end, pattern);
+
+                if (scan_result != section_end)
+                    return reinterpret_cast<std::uintptr_t>(scan_result);
+            }
+        }
+
+        return std::nullopt;
+    }
+
+} // namespace
+
+namespace omath
+{
+    std::optional<std::uintptr_t>
+    MachOPatternScanner::scan_for_pattern_in_loaded_module(const void* module_base_address,
+                                                           const std::string_view& pattern,
+                                                           const std::string_view& target_section_name)
+    {
+        if (module_base_address == nullptr) [[unlikely]]
+            return std::nullopt;
+
+        const auto* base = static_cast<const std::byte*>(module_base_address);
+
+        // Read magic to determine architecture
+        std::uint32_t magic{};
+        std::memcpy(&magic, base, sizeof(magic));
+
+        if (magic == mh_magic_64 || magic == mh_cigam_64)
+            return scan_in_module_impl<MachHeader64, SegmentCommand64, Section64, lc_segment_64>(base, pattern,
+                                                                                                 target_section_name);
+
+        if (magic == mh_magic_32 || magic == mh_cigam_32)
+            return scan_in_module_impl<MachHeader32, SegmentCommand32, Section32, lc_segment>(base, pattern,
+                                                                                              target_section_name);
+
+        return std::nullopt;
+    }
+
+    std::optional<SectionScanResult>
+    MachOPatternScanner::scan_for_pattern_in_file(const std::filesystem::path& path_to_file,
+                                                  const std::string_view& pattern,
+                                                  const std::string_view& target_section_name)
+    {
+        const auto macho_section = get_macho_section_by_name(path_to_file, target_section_name);
+
+        if (!macho_section.has_value()) [[unlikely]]
+            return std::nullopt;
+
+        const auto scan_result =
+                PatternScanner::scan_for_pattern(macho_section->data.cbegin(), macho_section->data.cend(), pattern);
+
+        if (scan_result == macho_section->data.cend())
+            return std::nullopt;
+
+        const auto offset = std::distance(macho_section->data.begin(), scan_result);
+
+        return SectionScanResult{.virtual_base_addr = macho_section->virtual_base_addr,
+                                 .raw_base_addr = macho_section->raw_base_addr,
+                                 .target_offset = offset};
+    }
+} // namespace omath

source/utility/pe_pattern_scan.cpp

@@ -237,7 +237,7 @@ namespace
                           variant);
     }
 
-    struct ExtractedSection
+    struct ExtractedSection final
     {
         std::uintptr_t virtual_base_addr;
         std::uintptr_t raw_base_addr;

tests/CMakeLists.txt

@@ -7,8 +7,9 @@ include(GoogleTest)
 file(GLOB_RECURSE UNIT_TESTS_SOURCES CONFIGURE_DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/*.cpp")
 add_executable(${PROJECT_NAME} ${UNIT_TESTS_SOURCES})
 
-set_target_properties(${PROJECT_NAME} PROPERTIES
+set_target_properties(
-        ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
+    ${PROJECT_NAME}
+    PROPERTIES ARCHIVE_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
                LIBRARY_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
                RUNTIME_OUTPUT_DIRECTORY "${CMAKE_SOURCE_DIR}/out/${CMAKE_BUILD_TYPE}"
                CXX_STANDARD 23
@@ -30,7 +31,8 @@ if(OMATH_ENABLE_VALGRIND)
     omath_setup_valgrind(${PROJECT_NAME})
 endif()
 
-# Skip test discovery for Android/iOS builds or when cross-compiling - binaries cannot run on host
+# Skip test discovery for Android/iOS builds or when cross-compiling - binaries
+# cannot run on host
 if(NOT (ANDROID OR IOS OR EMSCRIPTEN))
     gtest_discover_tests(${PROJECT_NAME})
 endif()

tests/engines/unit_test_frostbite_engine.cpp

@@ -8,6 +8,125 @@
 #include <print>
 #include <random>
 
+TEST(unit_test_frostbite_engine, UnitsToCentimeters_BasicValues)
+{
+    EXPECT_FLOAT_EQ(omath::frostbite_engine::units_to_centimeters(0.0f), 0.0f);
+    EXPECT_FLOAT_EQ(omath::frostbite_engine::units_to_centimeters(1.0f), 0.01f);
+    EXPECT_FLOAT_EQ(omath::frostbite_engine::units_to_centimeters(100.0f), 1.0f);
+    EXPECT_FLOAT_EQ(omath::frostbite_engine::units_to_centimeters(-250.0f), -2.5f);
+}
+
+TEST(unit_test_frostbite_engine, UnitsToMeters_BasicValues)
+{
+    EXPECT_DOUBLE_EQ(omath::frostbite_engine::units_to_meters(0.0), 0.0);
+    EXPECT_DOUBLE_EQ(omath::frostbite_engine::units_to_meters(1.0), 1.0);
+    EXPECT_DOUBLE_EQ(omath::frostbite_engine::units_to_meters(123.456), 123.456);
+    EXPECT_DOUBLE_EQ(omath::frostbite_engine::units_to_meters(-42.0), -42.0);
+}
+
+TEST(unit_test_frostbite_engine, UnitsToKilometers_BasicValues)
+{
+    EXPECT_NEAR(omath::frostbite_engine::units_to_kilometers(0.0), 0.0, 1e-15);
+    EXPECT_NEAR(omath::frostbite_engine::units_to_kilometers(1.0), 0.001, 1e-15);
+    EXPECT_NEAR(omath::frostbite_engine::units_to_kilometers(1000.0), 1.0, 1e-12);
+    EXPECT_NEAR(omath::frostbite_engine::units_to_kilometers(-2500.0), -2.5, 1e-12);
+}
+
+TEST(unit_test_frostbite_engine, CentimetersToUnits_BasicValues)
+{
+    EXPECT_FLOAT_EQ(omath::frostbite_engine::centimeters_to_units(0.0f), 0.0f);
+    EXPECT_FLOAT_EQ(omath::frostbite_engine::centimeters_to_units(0.01f), 1.0f);
+    EXPECT_FLOAT_EQ(omath::frostbite_engine::centimeters_to_units(1.0f), 100.0f);
+    EXPECT_FLOAT_EQ(omath::frostbite_engine::centimeters_to_units(-2.5f), -250.0f);
+}
+
+TEST(unit_test_frostbite_engine, MetersToUnits_BasicValues)
+{
+    EXPECT_DOUBLE_EQ(omath::frostbite_engine::meters_to_units(0.0), 0.0);
+    EXPECT_DOUBLE_EQ(omath::frostbite_engine::meters_to_units(1.0), 1.0);
+    EXPECT_DOUBLE_EQ(omath::frostbite_engine::meters_to_units(123.456), 123.456);
+    EXPECT_DOUBLE_EQ(omath::frostbite_engine::meters_to_units(-42.0), -42.0);
+}
+
+TEST(unit_test_frostbite_engine, KilometersToUnits_BasicValues)
+{
+    EXPECT_NEAR(omath::frostbite_engine::kilometers_to_units(0.0), 0.0, 1e-12);
+    EXPECT_NEAR(omath::frostbite_engine::kilometers_to_units(0.001), 1.0, 1e-12);
+    EXPECT_NEAR(omath::frostbite_engine::kilometers_to_units(1.0), 1000.0, 1e-9);
+    EXPECT_NEAR(omath::frostbite_engine::kilometers_to_units(-2.5), -2500.0, 1e-9);
+}
+
+TEST(unit_test_frostbite_engine, RoundTrip_UnitsCentimeters)
+{
+    constexpr float units_f = 12345.678f;
+    const auto cm_f = omath::frostbite_engine::units_to_centimeters(units_f);
+    const auto units_f_back = omath::frostbite_engine::centimeters_to_units(cm_f);
+    EXPECT_NEAR(units_f_back, units_f, 1e-3f);
+
+    constexpr double units_d = -987654.321;
+    const auto cm_d = omath::frostbite_engine::units_to_centimeters(units_d);
+    const auto units_d_back = omath::frostbite_engine::centimeters_to_units(cm_d);
+    EXPECT_NEAR(units_d_back, units_d, 1e-9);
+}
+
+TEST(unit_test_frostbite_engine, RoundTrip_UnitsMeters)
+{
+    constexpr float units_f = 5432.125f;
+    constexpr auto m_f = omath::frostbite_engine::units_to_meters(units_f);
+    constexpr auto units_f_back = omath::frostbite_engine::meters_to_units(m_f);
+    EXPECT_FLOAT_EQ(units_f_back, units_f);
+
+    constexpr double units_d = -123456.789;
+    constexpr auto m_d = omath::frostbite_engine::units_to_meters(units_d);
+    constexpr auto units_d_back = omath::frostbite_engine::meters_to_units(m_d);
+    EXPECT_DOUBLE_EQ(units_d_back, units_d);
+}
+
+TEST(unit_test_frostbite_engine, RoundTrip_UnitsKilometers)
+{
+    constexpr float units_f = 100000.0f;
+    constexpr auto km_f = omath::frostbite_engine::units_to_kilometers(units_f);
+    constexpr auto units_f_back = omath::frostbite_engine::kilometers_to_units(km_f);
+    EXPECT_NEAR(units_f_back, units_f, 1e-2f);
+
+    constexpr double units_d = -7654321.123;
+    constexpr auto km_d = omath::frostbite_engine::units_to_kilometers(units_d);
+    constexpr auto units_d_back = omath::frostbite_engine::kilometers_to_units(km_d);
+    EXPECT_NEAR(units_d_back, units_d, 1e-6);
+}
+
+TEST(unit_test_frostbite_engine, ConversionChainConsistency)
+{
+    const double units = 424242.42;
+
+    const auto cm_direct = omath::frostbite_engine::units_to_centimeters(units);
+    const auto cm_via_units = units / 100.0;
+    EXPECT_NEAR(cm_direct, cm_via_units, 1e-12);
+
+    const auto km_direct = omath::frostbite_engine::units_to_kilometers(units);
+    const auto km_via_meters = omath::frostbite_engine::units_to_meters(units) / 1000.0;
+    EXPECT_NEAR(km_direct, km_via_meters, 1e-12);
+}
+
+TEST(unit_test_frostbite_engine, SupportsFloatAndDouble)
+{
+    static_assert(std::is_same_v<decltype(omath::frostbite_engine::units_to_centimeters(1.0f)), float>);
+    static_assert(std::is_same_v<decltype(omath::frostbite_engine::units_to_centimeters(1.0)), double>);
+    static_assert(std::is_same_v<decltype(omath::frostbite_engine::meters_to_units(1.0f)), float>);
+    static_assert(std::is_same_v<decltype(omath::frostbite_engine::kilometers_to_units(1.0)), double>);
+}
+
+TEST(unit_test_frostbite_engine, ConstexprConversions)
+{
+    constexpr double units = 1000.0;
+    constexpr double cm = omath::frostbite_engine::units_to_centimeters(units);
+    constexpr double m = omath::frostbite_engine::units_to_meters(units);
+    constexpr double km = omath::frostbite_engine::units_to_kilometers(units);
+
+    static_assert(cm == 10.0, "units_to_centimeters constexpr failed");
+    static_assert(m == 1000.0, "units_to_meters constexpr failed");
+    static_assert(km == 1.0, "units_to_kilometers constexpr failed");
+}
 TEST(unit_test_frostbite_engine, ForwardVector)
 {
     const auto forward = omath::frostbite_engine::forward_vector({});

tests/engines/unit_test_open_gl.cpp

@@ -7,6 +7,125 @@
 #include <omath/engines/opengl_engine/formulas.hpp>
 #include <random>
 
+TEST(unit_test_opengl, UnitsToCentimeters_BasicValues)
+{
+    EXPECT_FLOAT_EQ(omath::opengl_engine::units_to_centimeters(0.0f), 0.0f);
+    EXPECT_FLOAT_EQ(omath::opengl_engine::units_to_centimeters(1.0f), 0.01f);
+    EXPECT_FLOAT_EQ(omath::opengl_engine::units_to_centimeters(100.0f), 1.0f);
+    EXPECT_FLOAT_EQ(omath::opengl_engine::units_to_centimeters(-250.0f), -2.5f);
+}
+
+TEST(unit_test_opengl, UnitsToMeters_BasicValues)
+{
+    EXPECT_DOUBLE_EQ(omath::opengl_engine::units_to_meters(0.0), 0.0);
+    EXPECT_DOUBLE_EQ(omath::opengl_engine::units_to_meters(1.0), 1.0);
+    EXPECT_DOUBLE_EQ(omath::opengl_engine::units_to_meters(123.456), 123.456);
+    EXPECT_DOUBLE_EQ(omath::opengl_engine::units_to_meters(-42.0), -42.0);
+}
+
+TEST(unit_test_opengl, UnitsToKilometers_BasicValues)
+{
+    EXPECT_NEAR(omath::opengl_engine::units_to_kilometers(0.0), 0.0, 1e-15);
+    EXPECT_NEAR(omath::opengl_engine::units_to_kilometers(1.0), 0.001, 1e-15);
+    EXPECT_NEAR(omath::opengl_engine::units_to_kilometers(1000.0), 1.0, 1e-12);
+    EXPECT_NEAR(omath::opengl_engine::units_to_kilometers(-2500.0), -2.5, 1e-12);
+}
+
+TEST(unit_test_opengl, CentimetersToUnits_BasicValues)
+{
+    EXPECT_FLOAT_EQ(omath::opengl_engine::centimeters_to_units(0.0f), 0.0f);
+    EXPECT_FLOAT_EQ(omath::opengl_engine::centimeters_to_units(0.01f), 1.0f);
+    EXPECT_FLOAT_EQ(omath::opengl_engine::centimeters_to_units(1.0f), 100.0f);
+    EXPECT_FLOAT_EQ(omath::opengl_engine::centimeters_to_units(-2.5f), -250.0f);
+}
+
+TEST(unit_test_opengl, MetersToUnits_BasicValues)
+{
+    EXPECT_DOUBLE_EQ(omath::opengl_engine::meters_to_units(0.0), 0.0);
+    EXPECT_DOUBLE_EQ(omath::opengl_engine::meters_to_units(1.0), 1.0);
+    EXPECT_DOUBLE_EQ(omath::opengl_engine::meters_to_units(123.456), 123.456);
+    EXPECT_DOUBLE_EQ(omath::opengl_engine::meters_to_units(-42.0), -42.0);
+}
+
+TEST(unit_test_opengl, KilometersToUnits_BasicValues)
+{
+    EXPECT_NEAR(omath::opengl_engine::kilometers_to_units(0.0), 0.0, 1e-12);
+    EXPECT_NEAR(omath::opengl_engine::kilometers_to_units(0.001), 1.0, 1e-12);
+    EXPECT_NEAR(omath::opengl_engine::kilometers_to_units(1.0), 1000.0, 1e-9);
+    EXPECT_NEAR(omath::opengl_engine::kilometers_to_units(-2.5), -2500.0, 1e-9);
+}
+
+TEST(unit_test_opengl, RoundTrip_UnitsCentimeters)
+{
+    constexpr float units_f = 12345.678f;
+    const auto cm_f = omath::opengl_engine::units_to_centimeters(units_f);
+    const auto units_f_back = omath::opengl_engine::centimeters_to_units(cm_f);
+    EXPECT_NEAR(units_f_back, units_f, 1e-3f);
+
+    constexpr double units_d = -987654.321;
+    const auto cm_d = omath::opengl_engine::units_to_centimeters(units_d);
+    const auto units_d_back = omath::opengl_engine::centimeters_to_units(cm_d);
+    EXPECT_NEAR(units_d_back, units_d, 1e-9);
+}
+
+TEST(unit_test_opengl, RoundTrip_UnitsMeters)
+{
+    constexpr float units_f = 5432.125f;
+    const auto m_f = omath::opengl_engine::units_to_meters(units_f);
+    const auto units_f_back = omath::opengl_engine::meters_to_units(m_f);
+    EXPECT_FLOAT_EQ(units_f_back, units_f);
+
+    constexpr double units_d = -123456.789;
+    const auto m_d = omath::opengl_engine::units_to_meters(units_d);
+    const auto units_d_back = omath::opengl_engine::meters_to_units(m_d);
+    EXPECT_DOUBLE_EQ(units_d_back, units_d);
+}
+
+TEST(unit_test_opengl, RoundTrip_UnitsKilometers)
+{
+    constexpr float units_f = 100000.0f;
+    const auto km_f = omath::opengl_engine::units_to_kilometers(units_f);
+    const auto units_f_back = omath::opengl_engine::kilometers_to_units(km_f);
+    EXPECT_NEAR(units_f_back, units_f, 1e-2f);
+
+    constexpr double units_d = -7654321.123;
+    const auto km_d = omath::opengl_engine::units_to_kilometers(units_d);
+    const auto units_d_back = omath::opengl_engine::kilometers_to_units(km_d);
+    EXPECT_NEAR(units_d_back, units_d, 1e-6);
+}
+
+TEST(unit_test_opengl, ConversionChainConsistency)
+{
+    const double units = 424242.42;
+
+    const auto cm_direct = omath::opengl_engine::units_to_centimeters(units);
+    const auto cm_via_units = units / 100.0;
+    EXPECT_NEAR(cm_direct, cm_via_units, 1e-12);
+
+    const auto km_direct = omath::opengl_engine::units_to_kilometers(units);
+    const auto km_via_meters = omath::opengl_engine::units_to_meters(units) / 1000.0;
+    EXPECT_NEAR(km_direct, km_via_meters, 1e-12);
+}
+
+TEST(unit_test_opengl, SupportsFloatAndDouble)
+{
+    static_assert(std::is_same_v<decltype(omath::opengl_engine::units_to_centimeters(1.0f)), float>);
+    static_assert(std::is_same_v<decltype(omath::opengl_engine::units_to_centimeters(1.0)), double>);
+    static_assert(std::is_same_v<decltype(omath::opengl_engine::meters_to_units(1.0f)), float>);
+    static_assert(std::is_same_v<decltype(omath::opengl_engine::kilometers_to_units(1.0)), double>);
+}
+
+TEST(unit_test_opengl, ConstexprConversions)
+{
+    constexpr double units = 1000.0;
+    constexpr double cm = omath::opengl_engine::units_to_centimeters(units);
+    constexpr double m = omath::opengl_engine::units_to_meters(units);
+    constexpr double km = omath::opengl_engine::units_to_kilometers(units);
+
+    static_assert(cm == 10.0, "units_to_centimeters constexpr failed");
+    static_assert(m == 1000.0, "units_to_meters constexpr failed");
+    static_assert(km == 1.0, "units_to_kilometers constexpr failed");
+}
 TEST(unit_test_opengl, ForwardVector)
 {
     const auto forward = omath::opengl_engine::forward_vector({});

tests/engines/unit_test_source_engine.cpp

@@ -7,6 +7,129 @@
 #include <omath/engines/source_engine/formulas.hpp>
 #include <random>
 
+TEST(unit_test_source_engine_units, HammerUnitsToCentimeters_BasicValues)
+{
+    EXPECT_FLOAT_EQ(omath::source_engine::units_to_centimeters(0.0f), 0.0f);
+    EXPECT_FLOAT_EQ(omath::source_engine::units_to_centimeters(1.0f), 2.54f);
+    EXPECT_FLOAT_EQ(omath::source_engine::units_to_centimeters(10.0f), 25.4f);
+    EXPECT_FLOAT_EQ(omath::source_engine::units_to_centimeters(-2.0f), -5.08f);
+}
+
+TEST(unit_test_source_engine_units, HammerUnitsToMeters_BasicValues)
+{
+    EXPECT_NEAR(omath::source_engine::units_to_meters(0.0), 0.0, 1e-12);
+    EXPECT_NEAR(omath::source_engine::units_to_meters(1.0), 0.0254, 1e-12);
+    EXPECT_NEAR(omath::source_engine::units_to_meters(100.0), 2.54, 1e-12);
+    EXPECT_NEAR(omath::source_engine::units_to_meters(-4.0), -0.1016, 1e-12);
+}
+
+TEST(unit_test_source_engine_units, HammerUnitsToKilometers_BasicValues)
+{
+    EXPECT_NEAR(omath::source_engine::units_to_kilometers(0.0), 0.0, 1e-15);
+    EXPECT_NEAR(omath::source_engine::units_to_kilometers(1.0), 0.0000254, 1e-15);
+    EXPECT_NEAR(omath::source_engine::units_to_kilometers(1000.0), 0.0254, 1e-15);
+    EXPECT_NEAR(omath::source_engine::units_to_kilometers(-10.0), -0.000254, 1e-15);
+}
+
+TEST(unit_test_source_engine_units, CentimetersToHammerUnits_BasicValues)
+{
+    EXPECT_FLOAT_EQ(omath::source_engine::centimeters_to_units(0.0f), 0.0f);
+    EXPECT_NEAR(omath::source_engine::centimeters_to_units(2.54f), 1.0f, 1e-6f);
+    EXPECT_NEAR(omath::source_engine::centimeters_to_units(25.4f), 10.0f, 1e-5f);
+    EXPECT_NEAR(omath::source_engine::centimeters_to_units(-5.08f), -2.0f, 1e-6f);
+}
+
+TEST(unit_test_source_engine_units, MetersToHammerUnits_BasicValues)
+{
+    EXPECT_NEAR(omath::source_engine::meters_to_units(0.0), 0.0, 1e-12);
+    EXPECT_NEAR(omath::source_engine::meters_to_units(0.0254), 1.0, 1e-12);
+    EXPECT_NEAR(omath::source_engine::meters_to_units(2.54), 100.0, 1e-10);
+    EXPECT_NEAR(omath::source_engine::meters_to_units(-0.0508), -2.0, 1e-12);
+}
+
+TEST(unit_test_source_engine_units, KilometersToHammerUnits_BasicValues)
+{
+    EXPECT_NEAR(omath::source_engine::kilometers_to_units(0.0), 0.0, 1e-9);
+    EXPECT_NEAR(omath::source_engine::kilometers_to_units(0.0000254), 1.0, 1e-9);
+    EXPECT_NEAR(omath::source_engine::kilometers_to_units(0.00254), 100.0, 1e-7);
+    EXPECT_NEAR(omath::source_engine::kilometers_to_units(-0.0000508), -2.0, 1e-9);
+}
+
+TEST(unit_test_source_engine_units, RoundTrip_HammerToCentimetersToHammer)
+{
+    constexpr float hu_f = 123.456f;
+    constexpr auto cm_f = omath::source_engine::units_to_centimeters(hu_f);
+    constexpr auto hu_f_back = omath::source_engine::centimeters_to_units(cm_f);
+    EXPECT_NEAR(hu_f_back, hu_f, 1e-5f);
+
+    constexpr double hu_d = -98765.4321;
+    constexpr auto cm_d = omath::source_engine::units_to_centimeters(hu_d);
+    constexpr auto hu_d_back = omath::source_engine::centimeters_to_units(cm_d);
+    EXPECT_NEAR(hu_d_back, hu_d, 1e-10);
+}
+
+TEST(unit_test_source_engine_units, RoundTrip_HammerToMetersToHammer)
+{
+    constexpr float hu_f = 2500.25f;
+    constexpr auto m_f = omath::source_engine::units_to_meters(hu_f);
+    constexpr auto hu_f_back = omath::source_engine::meters_to_units(m_f);
+    EXPECT_NEAR(hu_f_back, hu_f, 1e-4f);
+
+    constexpr double hu_d = -42000.125;
+    constexpr auto m_d = omath::source_engine::units_to_meters(hu_d);
+    constexpr auto hu_d_back = omath::source_engine::meters_to_units(m_d);
+    EXPECT_NEAR(hu_d_back, hu_d, 1e-10);
+}
+
+TEST(unit_test_source_engine_units, RoundTrip_HammerToKilometersToHammer)
+{
+    constexpr float hu_f = 100000.0f;
+    constexpr auto km_f = omath::source_engine::units_to_kilometers(hu_f);
+    constexpr auto hu_f_back = omath::source_engine::kilometers_to_units(km_f);
+    EXPECT_NEAR(hu_f_back, hu_f, 1e-2f); // looser due to float scaling
+
+    constexpr double hu_d = -1234567.89;
+    constexpr auto km_d = omath::source_engine::units_to_kilometers(hu_d);
+    constexpr auto hu_d_back = omath::source_engine::kilometers_to_units(km_d);
+    EXPECT_NEAR(hu_d_back, hu_d, 1e-7);
+}
+
+TEST(unit_test_source_engine_units, ConversionChainConsistency)
+{
+    // hu -> cm -> m -> km should match direct helpers
+    constexpr auto hu = 54321.123;
+
+    constexpr auto cm = omath::source_engine::units_to_centimeters(hu);
+    constexpr auto m_via_cm = cm / 100.0;
+    constexpr auto km_via_cm = m_via_cm / 1000.0;
+
+    constexpr auto m_direct = omath::source_engine::units_to_meters(hu);
+    constexpr auto km_direct = omath::source_engine::units_to_kilometers(hu);
+
+    EXPECT_NEAR(m_direct, m_via_cm, 1e-12);
+    EXPECT_NEAR(km_direct, km_via_cm, 1e-15);
+}
+
+TEST(unit_test_source_engine_units, SupportsFloatAndDoubleTypes)
+{
+    static_assert(std::is_same_v<decltype(omath::source_engine::units_to_centimeters(1.0f)), float>);
+    static_assert(std::is_same_v<decltype(omath::source_engine::units_to_centimeters(1.0)), double>);
+    static_assert(std::is_same_v<decltype(omath::source_engine::meters_to_units(1.0f)), float>);
+    static_assert(std::is_same_v<decltype(omath::source_engine::kilometers_to_units(1.0)), double>);
+}
+
+TEST(unit_test_source_engine_units, ConstexprEvaluation)
+{
+    constexpr double hu = 10.0;
+    constexpr double cm = omath::source_engine::units_to_centimeters(hu);
+    constexpr double m = omath::source_engine::units_to_meters(hu);
+    constexpr double km = omath::source_engine::units_to_kilometers(hu);
+
+    static_assert(cm == 25.4, "constexpr hu->cm failed");
+    static_assert(m == 0.254, "constexpr hu->m failed");
+    static_assert(km == 0.000254, "constexpr hu->km failed");
+}
+
 TEST(unit_test_source_engine, ForwardVector)
 {
     const auto forward = omath::source_engine::forward_vector({});

tests/engines/unit_test_unity_engine.cpp

@@ -8,6 +8,126 @@
 #include <print>
 #include <random>
 
+TEST(unit_test_unity_engine, UnitsToCentimeters_BasicValues)
+{
+    EXPECT_FLOAT_EQ(omath::unity_engine::units_to_centimeters(0.0f), 0.0f);
+    EXPECT_FLOAT_EQ(omath::unity_engine::units_to_centimeters(1.0f), 0.01f);
+    EXPECT_FLOAT_EQ(omath::unity_engine::units_to_centimeters(100.0f), 1.0f);
+    EXPECT_FLOAT_EQ(omath::unity_engine::units_to_centimeters(-250.0f), -2.5f);
+}
+
+TEST(unit_test_unity_engine, UnitsToMeters_BasicValues)
+{
+    EXPECT_DOUBLE_EQ(omath::unity_engine::units_to_meters(0.0), 0.0);
+    EXPECT_DOUBLE_EQ(omath::unity_engine::units_to_meters(1.0), 1.0);
+    EXPECT_DOUBLE_EQ(omath::unity_engine::units_to_meters(123.456), 123.456);
+    EXPECT_DOUBLE_EQ(omath::unity_engine::units_to_meters(-42.0), -42.0);
+}
+
+TEST(unit_test_unity_engine, UnitsToKilometers_BasicValues)
+{
+    EXPECT_NEAR(omath::unity_engine::units_to_kilometers(0.0), 0.0, 1e-15);
+    EXPECT_NEAR(omath::unity_engine::units_to_kilometers(1.0), 0.001, 1e-15);
+    EXPECT_NEAR(omath::unity_engine::units_to_kilometers(1000.0), 1.0, 1e-12);
+    EXPECT_NEAR(omath::unity_engine::units_to_kilometers(-2500.0), -2.5, 1e-12);
+}
+
+TEST(unit_test_unity_engine, CentimetersToUnits_BasicValues)
+{
+    EXPECT_FLOAT_EQ(omath::unity_engine::centimeters_to_units(0.0f), 0.0f);
+    EXPECT_FLOAT_EQ(omath::unity_engine::centimeters_to_units(0.01f), 1.0f);
+    EXPECT_FLOAT_EQ(omath::unity_engine::centimeters_to_units(1.0f), 100.0f);
+    EXPECT_FLOAT_EQ(omath::unity_engine::centimeters_to_units(-2.5f), -250.0f);
+}
+
+TEST(unit_test_unity_engine, MetersToUnits_BasicValues)
+{
+    EXPECT_DOUBLE_EQ(omath::unity_engine::meters_to_units(0.0), 0.0);
+    EXPECT_DOUBLE_EQ(omath::unity_engine::meters_to_units(1.0), 1.0);
+    EXPECT_DOUBLE_EQ(omath::unity_engine::meters_to_units(123.456), 123.456);
+    EXPECT_DOUBLE_EQ(omath::unity_engine::meters_to_units(-42.0), -42.0);
+}
+
+TEST(unit_test_unity_engine, KilometersToUnits_BasicValues)
+{
+    EXPECT_NEAR(omath::unity_engine::kilometers_to_units(0.0), 0.0, 1e-12);
+    EXPECT_NEAR(omath::unity_engine::kilometers_to_units(0.001), 1.0, 1e-12);
+    EXPECT_NEAR(omath::unity_engine::kilometers_to_units(1.0), 1000.0, 1e-9);
+    EXPECT_NEAR(omath::unity_engine::kilometers_to_units(-2.5), -2500.0, 1e-9);
+}
+
+TEST(unit_test_unity_engine, RoundTrip_UnitsCentimeters)
+{
+    constexpr float units_f = 12345.678f;
+    constexpr auto cm_f = omath::unity_engine::units_to_centimeters(units_f);
+    constexpr auto units_f_back = omath::unity_engine::centimeters_to_units(cm_f);
+    EXPECT_NEAR(units_f_back, units_f, 1e-3f);
+
+    constexpr double units_d = -987654.321;
+    constexpr auto cm_d = omath::unity_engine::units_to_centimeters(units_d);
+    constexpr auto units_d_back = omath::unity_engine::centimeters_to_units(cm_d);
+    EXPECT_NEAR(units_d_back, units_d, 1e-9);
+}
+
+TEST(unit_test_unity_engine, RoundTrip_UnitsMeters)
+{
+    constexpr float units_f = 5432.125f;
+    constexpr auto m_f = omath::unity_engine::units_to_meters(units_f);
+    constexpr auto units_f_back = omath::unity_engine::meters_to_units(m_f);
+    EXPECT_FLOAT_EQ(units_f_back, units_f);
+
+    constexpr double units_d = -123456.789;
+    constexpr auto m_d = omath::unity_engine::units_to_meters(units_d);
+    constexpr auto units_d_back = omath::unity_engine::meters_to_units(m_d);
+    EXPECT_DOUBLE_EQ(units_d_back, units_d);
+}
+
+TEST(unit_test_unity_engine, RoundTrip_UnitsKilometers)
+{
+    constexpr float units_f = 100000.0f;
+    constexpr auto km_f = omath::unity_engine::units_to_kilometers(units_f);
+    constexpr auto units_f_back = omath::unity_engine::kilometers_to_units(km_f);
+    EXPECT_NEAR(units_f_back, units_f, 1e-2f);
+
+    constexpr double units_d = -7654321.123;
+    constexpr auto km_d = omath::unity_engine::units_to_kilometers(units_d);
+    constexpr auto units_d_back = omath::unity_engine::kilometers_to_units(km_d);
+    EXPECT_NEAR(units_d_back, units_d, 1e-6);
+}
+
+TEST(unit_test_unity_engine, ConversionChainConsistency)
+{
+    constexpr double units = 424242.42;
+
+    constexpr auto cm_direct = omath::unity_engine::units_to_centimeters(units);
+    constexpr auto cm_via_units = units / 100.0;
+    EXPECT_NEAR(cm_direct, cm_via_units, 1e-12);
+
+    constexpr auto km_direct = omath::unity_engine::units_to_kilometers(units);
+    constexpr auto km_via_meters = omath::unity_engine::units_to_meters(units) / 1000.0;
+    EXPECT_NEAR(km_direct, km_via_meters, 1e-12);
+}
+
+TEST(unit_test_unity_engine, SupportsFloatAndDouble)
+{
+    static_assert(std::is_same_v<decltype(omath::unity_engine::units_to_centimeters(1.0f)), float>);
+    static_assert(std::is_same_v<decltype(omath::unity_engine::units_to_centimeters(1.0)), double>);
+    static_assert(std::is_same_v<decltype(omath::unity_engine::meters_to_units(1.0f)), float>);
+    static_assert(std::is_same_v<decltype(omath::unity_engine::kilometers_to_units(1.0)), double>);
+}
+
+TEST(unit_test_unity_engine, ConstexprConversions)
+{
+    constexpr double units = 1000.0;
+    constexpr double cm = omath::unity_engine::units_to_centimeters(units);
+    constexpr double m = omath::unity_engine::units_to_meters(units);
+    constexpr double km = omath::unity_engine::units_to_kilometers(units);
+
+    static_assert(cm == 10.0, "units_to_centimeters constexpr failed");
+    static_assert(m == 1000.0, "units_to_meters constexpr failed");
+    static_assert(km == 1.0, "units_to_kilometers constexpr failed");
+}
+
 TEST(unit_test_unity_engine, ForwardVector)
 {
     const auto forward = omath::unity_engine::forward_vector({});

tests/engines/unit_test_unreal_engine.cpp

@@ -239,3 +239,126 @@ TEST(unit_test_unreal_engine, loook_at_random_z_axis)
     }
     EXPECT_LE(failed_points, 100);
 }
+TEST(unit_test_unreal_engine, UnitsToCentimeters_BasicValues)
+{
+    EXPECT_FLOAT_EQ(omath::unreal_engine::units_to_centimeters(0.0f), 0.0f);
+    EXPECT_FLOAT_EQ(omath::unreal_engine::units_to_centimeters(1.0f), 1.0f);
+    EXPECT_FLOAT_EQ(omath::unreal_engine::units_to_centimeters(250.0f), 250.0f);
+    EXPECT_FLOAT_EQ(omath::unreal_engine::units_to_centimeters(-42.5f), -42.5f);
+}
+
+TEST(unit_test_unreal_engine, UnitsToMeters_BasicValues)
+{
+    EXPECT_NEAR(omath::unreal_engine::units_to_meters(0.0), 0.0, 1e-15);
+    EXPECT_NEAR(omath::unreal_engine::units_to_meters(1.0), 0.01, 1e-15);
+    EXPECT_NEAR(omath::unreal_engine::units_to_meters(100.0), 1.0, 1e-12);
+    EXPECT_NEAR(omath::unreal_engine::units_to_meters(-250.0), -2.5, 1e-12);
+}
+
+TEST(unit_test_unreal_engine, UnitsToKilometers_BasicValues)
+{
+    EXPECT_NEAR(omath::unreal_engine::units_to_kilometers(0.0), 0.0, 1e-18);
+    EXPECT_NEAR(omath::unreal_engine::units_to_kilometers(1.0), 0.00001, 1e-18);
+    EXPECT_NEAR(omath::unreal_engine::units_to_kilometers(100000.0), 1.0, 1e-12);
+    EXPECT_NEAR(omath::unreal_engine::units_to_kilometers(-250000.0), -2.5, 1e-12);
+}
+
+TEST(unit_test_unreal_engine, CentimetersToUnits_BasicValues)
+{
+    EXPECT_FLOAT_EQ(omath::unreal_engine::centimeters_to_units(0.0f), 0.0f);
+    EXPECT_FLOAT_EQ(omath::unreal_engine::centimeters_to_units(1.0f), 1.0f);
+    EXPECT_FLOAT_EQ(omath::unreal_engine::centimeters_to_units(250.0f), 250.0f);
+    EXPECT_FLOAT_EQ(omath::unreal_engine::centimeters_to_units(-42.5f), -42.5f);
+}
+
+TEST(unit_test_unreal_engine, MetersToUnits_BasicValues)
+{
+    EXPECT_NEAR(omath::unreal_engine::meters_to_units(0.0), 0.0, 1e-12);
+    EXPECT_NEAR(omath::unreal_engine::meters_to_units(0.01), 1.0, 1e-12);
+    EXPECT_NEAR(omath::unreal_engine::meters_to_units(1.0), 100.0, 1e-9);
+    EXPECT_NEAR(omath::unreal_engine::meters_to_units(-2.5), -250.0, 1e-9);
+}
+
+TEST(unit_test_unreal_engine, KilometersToUnits_BasicValues)
+{
+    EXPECT_NEAR(omath::unreal_engine::kilometers_to_units(0.0), 0.0, 1e-9);
+    EXPECT_NEAR(omath::unreal_engine::kilometers_to_units(0.00001), 1.0, 1e-9);
+    EXPECT_NEAR(omath::unreal_engine::kilometers_to_units(1.0), 100000.0, 1e-6);
+    EXPECT_NEAR(omath::unreal_engine::kilometers_to_units(-2.5), -250000.0, 1e-3);
+}
+
+TEST(unit_test_unreal_engine, RoundTrip_UnitsCentimeters)
+{
+    constexpr float units_f = 12345.678f;
+    constexpr auto cm_f = omath::unreal_engine::units_to_centimeters(units_f);
+    constexpr auto units_f_back = omath::unreal_engine::centimeters_to_units(cm_f);
+    EXPECT_FLOAT_EQ(units_f_back, units_f);
+
+    constexpr double units_d = -987654.321;
+    constexpr auto cm_d = omath::unreal_engine::units_to_centimeters(units_d);
+    constexpr auto units_d_back = omath::unreal_engine::centimeters_to_units(cm_d);
+    EXPECT_DOUBLE_EQ(units_d_back, units_d);
+}
+
+TEST(unit_test_unreal_engine, RoundTrip_UnitsMeters)
+{
+    constexpr float units_f = 5432.125f;
+    constexpr auto m_f = omath::unreal_engine::units_to_meters(units_f);
+    constexpr auto units_f_back = omath::unreal_engine::meters_to_units(m_f);
+    EXPECT_NEAR(units_f_back, units_f, 1e-3f);
+
+    constexpr double units_d = -123456.789;
+    constexpr auto m_d = omath::unreal_engine::units_to_meters(units_d);
+    constexpr auto units_d_back = omath::unreal_engine::meters_to_units(m_d);
+    EXPECT_NEAR(units_d_back, units_d, 1e-9);
+}
+
+TEST(unit_test_unreal_engine, RoundTrip_UnitsKilometers)
+{
+    constexpr float units_f = 100000.0f;
+    constexpr auto km_f = omath::unreal_engine::units_to_kilometers(units_f);
+    constexpr auto units_f_back = omath::unreal_engine::kilometers_to_units(km_f);
+    EXPECT_NEAR(units_f_back, units_f, 1e-2f);
+
+    constexpr double units_d = -7654321.123;
+    constexpr auto km_d = omath::unreal_engine::units_to_kilometers(units_d);
+    constexpr auto units_d_back = omath::unreal_engine::kilometers_to_units(km_d);
+    EXPECT_NEAR(units_d_back, units_d, 1e-6);
+}
+
+TEST(unit_test_unreal_engine, ConversionChainConsistency)
+{
+    constexpr double units = 424242.42;
+
+    constexpr auto cm_direct = omath::unreal_engine::units_to_centimeters(units);
+    constexpr auto cm_expected = units; // 1 uu == 1 cm
+    EXPECT_NEAR(cm_direct, cm_expected, 1e-12);
+
+    constexpr auto m_direct = omath::unreal_engine::units_to_meters(units);
+    constexpr auto m_via_cm = cm_direct / 100.0;
+    EXPECT_NEAR(m_direct, m_via_cm, 1e-12);
+
+    constexpr auto km_direct = omath::unreal_engine::units_to_kilometers(units);
+    constexpr auto km_via_m = m_direct / 1000.0;
+    EXPECT_NEAR(km_direct, km_via_m, 1e-15);
+}
+
+TEST(unit_test_unreal_engine, SupportsFloatAndDouble)
+{
+    static_assert(std::is_same_v<decltype(omath::unreal_engine::units_to_centimeters(1.0f)), float>);
+    static_assert(std::is_same_v<decltype(omath::unreal_engine::units_to_centimeters(1.0)), double>);
+    static_assert(std::is_same_v<decltype(omath::unreal_engine::meters_to_units(1.0f)), float>);
+    static_assert(std::is_same_v<decltype(omath::unreal_engine::kilometers_to_units(1.0)), double>);
+}
+
+TEST(unit_test_unreal_engine, ConstexprConversions)
+{
+    constexpr double units = 100000.0;
+    constexpr double cm = omath::unreal_engine::units_to_centimeters(units);
+    constexpr double m = omath::unreal_engine::units_to_meters(units);
+    constexpr double km = omath::unreal_engine::units_to_kilometers(units);
+
+    static_assert(cm == 100000.0, "units_to_centimeters constexpr failed");
+    static_assert(m == 1000.0, "units_to_meters constexpr failed");
+    static_assert(km == 1.0, "units_to_kilometers constexpr failed");
+}

tests/general/unit_test_line_trace.cpp

@@ -47,7 +47,7 @@ namespace
     // -----------------------------------------------------------------------------
     struct TraceCase
     {
-        Ray ray;
+        Ray<> ray;
         bool expected_clear; // true => segment does NOT hit the triangle
         friend std::ostream& operator<<(std::ostream& os, const TraceCase& tc)
         {
@@ -66,7 +66,7 @@ namespace
     TEST_P(CanTraceLineParam, VariousRays)
     {
         const auto& [ray, expected_clear] = GetParam();
-        EXPECT_EQ(LineTracer::can_trace_line(ray, triangle), expected_clear);
+        EXPECT_EQ(LineTracer<>::can_trace_line(ray, triangle), expected_clear);
     }
 
     INSTANTIATE_TEST_SUITE_P(
@@ -91,7 +91,7 @@ namespace
         constexpr Ray ray{{0.3f, 0.3f, -1.f}, {0.3f, 0.3f, 1.f}};
         constexpr Vec3 expected{0.3f, 0.3f, 0.f};
 
-        const Vec3 hit = LineTracer::get_ray_hit_point(ray, triangle);
+        const Vec3 hit = LineTracer<>::get_ray_hit_point(ray, triangle);
         ASSERT_FALSE(vec_equal(hit, ray.end));
         EXPECT_TRUE(vec_equal(hit, expected));
     }
@@ -106,7 +106,7 @@ namespace
                                          {1001.f, 1000.f, 1000.f},
                                          {1000.f, 1001.f, 1000.f}};
 
-        EXPECT_TRUE(LineTracer::can_trace_line(short_ray, distant));
+        EXPECT_TRUE(LineTracer<>::can_trace_line(short_ray, distant));
     }
 
     TEST(unit_test_unity_engine, CantHit)
@@ -115,13 +115,13 @@ namespace
 
         constexpr Ray ray{{}, {1.0, 0, 0}, false};
 
-        EXPECT_TRUE(omath::collision::LineTracer::can_trace_line(ray, triangle));
+        EXPECT_TRUE(omath::collision::LineTracer<>::can_trace_line(ray, triangle));
     }
     TEST(unit_test_unity_engine, CanHit)
     {
         constexpr omath::Triangle<Vector3<float>> triangle{{2, 0, 0}, {2, 2, 0}, {2, 2, 2}};
 
         constexpr Ray ray{{}, {2.1, 0, 0}, false};
-        EXPECT_FALSE(omath::collision::LineTracer::can_trace_line(ray, triangle));
+        EXPECT_FALSE(omath::collision::LineTracer<>::can_trace_line(ray, triangle));
     }
 } // namespace

tests/general/unit_test_line_tracer.cpp

@@ -15,9 +15,9 @@ TEST(LineTracerTests, ParallelRayReturnsEnd)
     ray.end = Vector3<float>{1.f,1.f,1.f};
 
     // For a ray parallel to the triangle plane the algorithm should return ray.end
-    const auto hit = omath::collision::LineTracer::get_ray_hit_point(ray, tri);
+    const auto hit = omath::collision::LineTracer<>::get_ray_hit_point(ray, tri);
     EXPECT_TRUE(hit == ray.end);
-    EXPECT_TRUE(omath::collision::LineTracer::can_trace_line(ray, tri));
+    EXPECT_TRUE(omath::collision::LineTracer<>::can_trace_line(ray, tri));
 }
 
 TEST(LineTracerTests, MissesTriangleReturnsEnd)
@@ -27,7 +27,7 @@ TEST(LineTracerTests, MissesTriangleReturnsEnd)
     ray.start = Vector3<float>{2.f,2.f,-1.f};
     ray.end = Vector3<float>{2.f,2.f,1.f}; // passes above the triangle area
 
-    const auto hit = omath::collision::LineTracer::get_ray_hit_point(ray, tri);
+    const auto hit = omath::collision::LineTracer<>::get_ray_hit_point(ray, tri);
     EXPECT_TRUE(hit == ray.end);
 }
 
@@ -38,7 +38,7 @@ TEST(LineTracerTests, HitTriangleReturnsPointInsideSegment)
     ray.start = Vector3<float>{0.25f,0.25f,-1.f};
     ray.end = Vector3<float>{0.25f,0.25f,1.f};
 
-    const auto hit = omath::collision::LineTracer::get_ray_hit_point(ray, tri);
+    const auto hit = omath::collision::LineTracer<>::get_ray_hit_point(ray, tri);
     // Should return a point between start and end (z approximately 0)
     EXPECT_NE(hit, ray.end);
     EXPECT_NEAR(hit.z, 0.f, 1e-4f);
@@ -60,6 +60,6 @@ TEST(LineTracerTests, InfiniteLengthEarlyOut)
 
     // If t_hit <= epsilon the algorithm should return ray.end when infinite_length is true.
     // Using start on the triangle plane should produce t_hit <= epsilon.
-    const auto hit = omath::collision::LineTracer::get_ray_hit_point(ray, tri);
+    const auto hit = omath::collision::LineTracer<>::get_ray_hit_point(ray, tri);
     EXPECT_TRUE(hit == ray.end);
 }

tests/general/unit_test_line_tracer_extra.cpp

@@ -10,7 +10,7 @@ TEST(LineTracerExtra, MissParallel)
 {
     constexpr Triangle<Vector3<float>> tri({0,0,0},{1,0,0},{0,1,0});
     constexpr Ray ray{ {0.3f,0.3f,1.f}, {0.3f,0.3f,2.f}, false }; // parallel above triangle
-    const auto hit = LineTracer::get_ray_hit_point(ray, tri);
+    const auto hit = LineTracer<>::get_ray_hit_point(ray, tri);
     EXPECT_EQ(hit, ray.end);
 }
 
@@ -18,7 +18,7 @@ TEST(LineTracerExtra, HitCenter)
 {
     constexpr Triangle<Vector3<float>> tri({0,0,0},{1,0,0},{0,1,0});
     constexpr Ray ray{ {0.3f,0.3f,-1.f}, {0.3f,0.3f,1.f}, false };
-    const auto hit = LineTracer::get_ray_hit_point(ray, tri);
+    const auto hit = LineTracer<>::get_ray_hit_point(ray, tri);
     ASSERT_FALSE(hit == ray.end);
     EXPECT_NEAR(hit.x, 0.3f, 1e-6f);
     EXPECT_NEAR(hit.y, 0.3f, 1e-6f);
@@ -30,7 +30,7 @@ TEST(LineTracerExtra, HitOnEdge)
     constexpr Triangle<Vector3<float>> tri({0,0,0},{1,0,0},{0,1,0});
     constexpr Ray ray{ {0.0f,0.0f,1.f}, {0.0f,0.0f,0.f}, false };
     // hitting exact vertex/edge may be considered miss; ensure function handles without crash
-    if (const auto hit = LineTracer::get_ray_hit_point(ray, tri); hit != ray.end)
+    if (const auto hit = LineTracer<>::get_ray_hit_point(ray, tri); hit != ray.end)
     {
         EXPECT_NEAR(hit.x, 0.0f, 1e-6f);
         EXPECT_NEAR(hit.y, 0.0f, 1e-6f);
@@ -42,6 +42,6 @@ TEST(LineTracerExtra, InfiniteRayIgnoredIfBehind)
     constexpr Triangle<Vector3<float>> tri({0,0,0},{1,0,0},{0,1,0});
     // Ray pointing away but infinite_length true should be ignored
     constexpr Ray ray{ {0.5f,0.5f,-1.f}, {0.5f,0.5f,-2.f}, true };
-    const auto hit = LineTracer::get_ray_hit_point(ray, tri);
+    const auto hit = LineTracer<>::get_ray_hit_point(ray, tri);
     EXPECT_EQ(hit, ray.end);
 }

tests/general/unit_test_line_tracer_more.cpp

@@ -14,7 +14,7 @@ TEST(LineTracerMore, ParallelRayReturnsEnd)
     constexpr Triangle3 tri(Vector3<float>{0.f,0.f,0.f}, Vector3<float>{1.f,0.f,0.f}, Vector3<float>{0.f,1.f,0.f});
     Ray ray; ray.start = {0.f,0.f,1.f}; ray.end = {1.f,0.f,1.f};
 
-    const auto hit = LineTracer::get_ray_hit_point(ray, tri);
+    const auto hit = LineTracer<>::get_ray_hit_point(ray, tri);
     EXPECT_EQ(hit, ray.end);
 }
 
@@ -24,7 +24,7 @@ TEST(LineTracerMore, UOutOfRangeReturnsEnd)
     constexpr Triangle3 tri(Vector3<float>{0.f,0.f,0.f}, Vector3<float>{1.f,0.f,0.f}, Vector3<float>{0.f,1.f,0.f});
     Ray ray; ray.start = {-1.f,-1.f,-1.f}; ray.end = {-0.5f,-1.f,1.f};
 
-    const auto hit = LineTracer::get_ray_hit_point(ray, tri);
+    const auto hit = LineTracer<>::get_ray_hit_point(ray, tri);
     EXPECT_EQ(hit, ray.end);
 }
 
@@ -34,7 +34,7 @@ TEST(LineTracerMore, VOutOfRangeReturnsEnd)
     constexpr Triangle3 tri(Vector3<float>{0.f,0.f,0.f}, Vector3<float>{1.f,0.f,0.f}, Vector3<float>{0.f,1.f,0.f});
     Ray ray; ray.start = {2.f,2.f,-1.f}; ray.end = {2.f,2.f,1.f};
 
-    const auto hit = LineTracer::get_ray_hit_point(ray, tri);
+    const auto hit = LineTracer<>::get_ray_hit_point(ray, tri);
     EXPECT_EQ(hit, ray.end);
 }
 
@@ -43,7 +43,7 @@ TEST(LineTracerMore, THitTooSmallReturnsEnd)
     constexpr Triangle3 tri(Vector3<float>{0.f,0.f,0.f}, Vector3<float>{1.f,0.f,0.f}, Vector3<float>{0.f,1.f,0.f});
     Ray ray; ray.start = {0.f,0.f,0.0000000001f}; ray.end = {0.f,0.f,1.f};
 
-    const auto hit = LineTracer::get_ray_hit_point(ray, tri);
+    const auto hit = LineTracer<>::get_ray_hit_point(ray, tri);
     EXPECT_EQ(hit, ray.end);
 }
 
@@ -53,7 +53,7 @@ TEST(LineTracerMore, THitGreaterThanOneReturnsEnd)
     // Choose a ray and compute t_hit locally to assert consistency
     Ray ray; ray.start = {0.f,0.f,-1.f}; ray.end = {0.f,0.f,-0.5f};
 
-    const auto hit = LineTracer::get_ray_hit_point(ray, tri);
+    const auto hit = LineTracer<>::get_ray_hit_point(ray, tri);
 
     constexpr float k_epsilon = std::numeric_limits<float>::epsilon();
     constexpr auto side_a = tri.side_a_vector();
@@ -87,7 +87,7 @@ TEST(LineTracerMore, InfiniteLengthWithSmallTHitReturnsEnd)
     // Create triangle slightly behind so t_hit <= eps
     tri = tri2;
 
-    const auto hit = LineTracer::get_ray_hit_point(ray, tri);
+    const auto hit = LineTracer<>::get_ray_hit_point(ray, tri);
     EXPECT_EQ(hit, ray.end);
 }
 
@@ -96,7 +96,7 @@ TEST(LineTracerMore, SuccessfulHitReturnsPoint)
     constexpr Triangle3 tri(Vector3<float>{0.f,0.f,0.f}, Vector3<float>{1.f,0.f,0.f}, Vector3<float>{0.f,1.f,0.f});
     Ray ray; ray.start = {0.1f,0.1f,-1.f}; ray.end = {0.1f,0.1f,1.f};
 
-    const auto hit = LineTracer::get_ray_hit_point(ray, tri);
+    const auto hit = LineTracer<>::get_ray_hit_point(ray, tri);
     EXPECT_NE(hit, ray.end);
     // Hit should be on plane z=0 and near x=0.1,y=0.1
     EXPECT_NEAR(hit.z, 0.f, 1e-6f);

tests/general/unit_test_line_tracer_more2.cpp

@@ -14,7 +14,7 @@ TEST(LineTracerMore2, UGreaterThanOneReturnsEnd)
     // choose ray so barycentric u > 1
     Ray ray; ray.start = {2.f, -1.f, -1.f}; ray.end = {2.f, -1.f, 1.f};
 
-    const auto hit = LineTracer::get_ray_hit_point(ray, tri);
+    const auto hit = LineTracer<>::get_ray_hit_point(ray, tri);
     EXPECT_EQ(hit, ray.end);
 }
 
@@ -24,7 +24,7 @@ TEST(LineTracerMore2, VGreaterThanOneReturnsEnd)
     // choose ray so barycentric v > 1
     Ray ray; ray.start = {-1.f, 2.f, -1.f}; ray.end = {-1.f, 2.f, 1.f};
 
-    const auto hit = LineTracer::get_ray_hit_point(ray, tri);
+    const auto hit = LineTracer<>::get_ray_hit_point(ray, tri);
     EXPECT_EQ(hit, ray.end);
 }
 
@@ -34,7 +34,7 @@ TEST(LineTracerMore2, UPlusVGreaterThanOneReturnsEnd)
     // Ray aimed so u+v > 1 (outside triangle region)
     Ray ray; ray.start = {1.f, 1.f, -1.f}; ray.end = {1.f, 1.f, 1.f};
 
-    const auto hit = LineTracer::get_ray_hit_point(ray, tri);
+    const auto hit = LineTracer<>::get_ray_hit_point(ray, tri);
     EXPECT_EQ(hit, ray.end);
 }
 
@@ -52,6 +52,6 @@ TEST(LineTracerMore2, ZeroLengthRayHandled)
     Ray ray; ray.start = {0.f,0.f,0.f}; ray.end = {0.f,0.f,0.f};
 
     // Zero-length ray: direction length == 0; algorithm should handle without crash
-    const auto hit = LineTracer::get_ray_hit_point(ray, tri);
+    const auto hit = LineTracer<>::get_ray_hit_point(ray, tri);
     EXPECT_EQ(hit, ray.end);
 }

tests/general/unit_test_macho_scanner.cpp

@@ -0,0 +1,358 @@
+//
+// Created by Copilot on 04.02.2026.
+//
+// Unit tests for MachOPatternScanner
+#include <gtest/gtest.h>
+#include <omath/utility/macho_pattern_scan.hpp>
+#include <cstdint>
+#include <cstring>
+#include <fstream>
+#include <vector>
+
+using namespace omath;
+
+namespace
+{
+    // Mach-O magic numbers
+    constexpr std::uint32_t mh_magic_64 = 0xFEEDFACF;
+    constexpr std::uint32_t mh_magic_32 = 0xFEEDFACE;
+    constexpr std::uint32_t lc_segment = 0x1;
+    constexpr std::uint32_t lc_segment_64 = 0x19;
+
+    constexpr std::string_view segment_name = "__TEXT";
+    constexpr std::string_view section_name = "__text";
+#pragma pack(push, 1)
+    struct MachHeader64
+    {
+        std::uint32_t magic;
+        std::uint32_t cputype;
+        std::uint32_t cpusubtype;
+        std::uint32_t filetype;
+        std::uint32_t ncmds;
+        std::uint32_t sizeofcmds;
+        std::uint32_t flags;
+        std::uint32_t reserved;
+    };
+
+    struct MachHeader32
+    {
+        std::uint32_t magic;
+        std::uint32_t cputype;
+        std::uint32_t cpusubtype;
+        std::uint32_t filetype;
+        std::uint32_t ncmds;
+        std::uint32_t sizeofcmds;
+        std::uint32_t flags;
+    };
+
+    struct SegmentCommand64
+    {
+        std::uint32_t cmd;
+        std::uint32_t cmdsize;
+        char segname[16];
+        std::uint64_t vmaddr;
+        std::uint64_t vmsize;
+        std::uint64_t fileoff;
+        std::uint64_t filesize;
+        std::uint32_t maxprot;
+        std::uint32_t initprot;
+        std::uint32_t nsects;
+        std::uint32_t flags;
+    };
+
+    struct SegmentCommand32
+    {
+        std::uint32_t cmd;
+        std::uint32_t cmdsize;
+        char segname[16];
+        std::uint32_t vmaddr;
+        std::uint32_t vmsize;
+        std::uint32_t fileoff;
+        std::uint32_t filesize;
+        std::uint32_t maxprot;
+        std::uint32_t initprot;
+        std::uint32_t nsects;
+        std::uint32_t flags;
+    };
+
+    struct Section64
+    {
+        char sectname[16];
+        char segname[16];
+        std::uint64_t addr;
+        std::uint64_t size;
+        std::uint32_t offset;
+        std::uint32_t align;
+        std::uint32_t reloff;
+        std::uint32_t nreloc;
+        std::uint32_t flags;
+        std::uint32_t reserved1;
+        std::uint32_t reserved2;
+        std::uint32_t reserved3;
+    };
+
+    struct Section32
+    {
+        char sectname[16];
+        char segname[16];
+        std::uint32_t addr;
+        std::uint32_t size;
+        std::uint32_t offset;
+        std::uint32_t align;
+        std::uint32_t reloff;
+        std::uint32_t nreloc;
+        std::uint32_t flags;
+        std::uint32_t reserved1;
+        std::uint32_t reserved2;
+    };
+#pragma pack(pop)
+
+    // Helper function to create a minimal 64-bit Mach-O file with a __text section
+    bool write_minimal_macho64_file(const std::string& path, const std::vector<std::uint8_t>& section_bytes)
+    {
+        std::ofstream f(path, std::ios::binary);
+        if (!f.is_open())
+            return false;
+
+        // Calculate sizes
+        constexpr std::size_t header_size = sizeof(MachHeader64);
+        constexpr std::size_t segment_size = sizeof(SegmentCommand64);
+        constexpr std::size_t section_size = sizeof(Section64);
+        constexpr std::size_t load_cmd_size = segment_size + section_size;
+        // Section data will start after headers
+        const std::size_t section_offset = header_size + load_cmd_size;
+
+        // Create Mach-O header
+        MachHeader64 header{};
+        header.magic = mh_magic_64;
+        header.cputype = 0x01000007;  // CPU_TYPE_X86_64
+        header.cpusubtype = 0x3;       // CPU_SUBTYPE_X86_64_ALL
+        header.filetype = 0x2;         // MH_EXECUTE
+        header.ncmds = 1;
+        header.sizeofcmds = static_cast<std::uint32_t>(load_cmd_size);
+        header.flags = 0;
+        header.reserved = 0;
+
+        f.write(reinterpret_cast<const char*>(&header), sizeof(header));
+
+        // Create segment command
+        SegmentCommand64 segment{};
+        segment.cmd = lc_segment_64;
+        segment.cmdsize = static_cast<std::uint32_t>(load_cmd_size);
+        std::ranges::copy(segment_name, segment.segname);
+        segment.vmaddr = 0x100000000;
+        segment.vmsize = section_bytes.size();
+        segment.fileoff = section_offset;
+        segment.filesize = section_bytes.size();
+        segment.maxprot = 7;   // VM_PROT_ALL
+        segment.initprot = 5;  // VM_PROT_READ | VM_PROT_EXECUTE
+        segment.nsects = 1;
+        segment.flags = 0;
+
+        f.write(reinterpret_cast<const char*>(&segment), sizeof(segment));
+
+        // Create section
+        Section64 section{};
+        std::ranges::copy(section_name, section.sectname);
+        std::ranges::copy(segment_name, segment.segname);
+        section.addr = 0x100000000;
+        section.size = section_bytes.size();
+        section.offset = static_cast<std::uint32_t>(section_offset);
+        section.align = 0;
+        section.reloff = 0;
+        section.nreloc = 0;
+        section.flags = 0;
+        section.reserved1 = 0;
+        section.reserved2 = 0;
+        section.reserved3 = 0;
+
+        f.write(reinterpret_cast<const char*>(&section), sizeof(section));
+
+        // Write section data
+        f.write(reinterpret_cast<const char*>(section_bytes.data()), static_cast<std::streamsize>(section_bytes.size()));
+
+        f.close();
+        return true;
+    }
+
+    // Helper function to create a minimal 32-bit Mach-O file with a __text section
+    bool write_minimal_macho32_file(const std::string& path, const std::vector<std::uint8_t>& section_bytes)
+    {
+        std::ofstream f(path, std::ios::binary);
+        if (!f.is_open())
+            return false;
+
+        // Calculate sizes
+        constexpr std::size_t header_size = sizeof(MachHeader32);
+        constexpr std::size_t segment_size = sizeof(SegmentCommand32);
+        constexpr std::size_t section_size = sizeof(Section32);
+        constexpr std::size_t load_cmd_size = segment_size + section_size;
+
+        // Section data will start after headers
+        constexpr std::size_t section_offset = header_size + load_cmd_size;
+
+        // Create Mach-O header
+        MachHeader32 header{};
+        header.magic = mh_magic_32;
+        header.cputype = 0x7;          // CPU_TYPE_X86
+        header.cpusubtype = 0x3;       // CPU_SUBTYPE_X86_ALL
+        header.filetype = 0x2;         // MH_EXECUTE
+        header.ncmds = 1;
+        header.sizeofcmds = static_cast<std::uint32_t>(load_cmd_size);
+        header.flags = 0;
+
+        f.write(reinterpret_cast<const char*>(&header), sizeof(header));
+
+        // Create segment command
+        SegmentCommand32 segment{};
+        segment.cmd = lc_segment;
+        segment.cmdsize = static_cast<std::uint32_t>(load_cmd_size);
+        std::ranges::copy(segment_name, segment.segname);
+        segment.vmaddr = 0x1000;
+        segment.vmsize = static_cast<std::uint32_t>(section_bytes.size());
+        segment.fileoff = static_cast<std::uint32_t>(section_offset);
+        segment.filesize = static_cast<std::uint32_t>(section_bytes.size());
+        segment.maxprot = 7;   // VM_PROT_ALL
+        segment.initprot = 5;  // VM_PROT_READ | VM_PROT_EXECUTE
+        segment.nsects = 1;
+        segment.flags = 0;
+
+        f.write(reinterpret_cast<const char*>(&segment), sizeof(segment));
+
+        // Create section
+        Section32 section{};
+        std::ranges::copy(section_name, section.sectname);
+        std::ranges::copy(segment_name, segment.segname);
+        section.addr = 0x1000;
+        section.size = static_cast<std::uint32_t>(section_bytes.size());
+        section.offset = static_cast<std::uint32_t>(section_offset);
+        section.align = 0;
+        section.reloff = 0;
+        section.nreloc = 0;
+        section.flags = 0;
+        section.reserved1 = 0;
+        section.reserved2 = 0;
+
+        f.write(reinterpret_cast<const char*>(&section), sizeof(section));
+
+        // Write section data
+        f.write(reinterpret_cast<const char*>(section_bytes.data()), static_cast<std::streamsize>(section_bytes.size()));
+
+        f.close();
+        return true;
+    }
+
+} // namespace
+
+// Test scanning for a pattern that exists in a 64-bit Mach-O file
+TEST(unit_test_macho_pattern_scan_file, ScanFindsPattern64)
+{
+    constexpr std::string_view path = "./test_minimal_macho64.bin";
+    const std::vector<std::uint8_t> bytes = {0x55, 0x48, 0x89, 0xE5, 0x90, 0x90}; // push rbp; mov rbp, rsp; nop; nop
+    ASSERT_TRUE(write_minimal_macho64_file(path.data(), bytes));
+
+    const auto res = MachOPatternScanner::scan_for_pattern_in_file(path, "55 48 89 E5", "__text");
+    EXPECT_TRUE(res.has_value());
+    if (res.has_value())
+    {
+        EXPECT_EQ(res->target_offset, 0);
+    }
+}
+
+// Test scanning for a pattern that exists in a 32-bit Mach-O file
+TEST(unit_test_macho_pattern_scan_file, ScanFindsPattern32)
+{
+    constexpr std::string_view path = "./test_minimal_macho32.bin";
+    const std::vector<std::uint8_t> bytes = {0x55, 0x89, 0xE5, 0x90, 0x90}; // push ebp; mov ebp, esp; nop; nop
+    ASSERT_TRUE(write_minimal_macho32_file(path.data(), bytes));
+
+    const auto res = MachOPatternScanner::scan_for_pattern_in_file(path, "55 89 E5", "__text");
+    EXPECT_TRUE(res.has_value());
+    if (res.has_value())
+    {
+        EXPECT_EQ(res->target_offset, 0);
+    }
+}
+
+// Test scanning for a pattern that does not exist
+TEST(unit_test_macho_pattern_scan_file, ScanMissingPattern)
+{
+    constexpr std::string_view path = "./test_minimal_macho_missing.bin";
+    const std::vector<std::uint8_t> bytes = {0x00, 0x01, 0x02, 0x03};
+    ASSERT_TRUE(write_minimal_macho64_file(path.data(), bytes));
+
+    const auto res = MachOPatternScanner::scan_for_pattern_in_file(path, "FF EE DD", "__text");
+    EXPECT_FALSE(res.has_value());
+}
+
+// Test scanning for a pattern at a non-zero offset
+TEST(unit_test_macho_pattern_scan_file, ScanPatternAtOffset)
+{
+    constexpr std::string_view path = "./test_minimal_macho_offset.bin";
+    const std::vector<std::uint8_t> bytes = {0x90, 0x90, 0x90, 0x55, 0x48, 0x89, 0xE5}; // nops then pattern
+    ASSERT_TRUE(write_minimal_macho64_file(path.data(), bytes));
+
+    const auto res = MachOPatternScanner::scan_for_pattern_in_file(path, "55 48 89 E5", "__text");
+    EXPECT_TRUE(res.has_value());
+    if (res.has_value())
+    {
+        EXPECT_EQ(res->target_offset, 3);
+    }
+}
+
+// Test scanning with wildcards
+TEST(unit_test_macho_pattern_scan_file, ScanWithWildcard)
+{
+    constexpr std::string_view path = "./test_minimal_macho_wildcard.bin";
+    const std::vector<std::uint8_t> bytes = {0x55, 0x48, 0x89, 0xE5, 0x90};
+    ASSERT_TRUE(write_minimal_macho64_file(path.data(), bytes));
+
+    const auto res = MachOPatternScanner::scan_for_pattern_in_file(path, "55 ? 89 E5", "__text");
+    EXPECT_TRUE(res.has_value());
+}
+
+// Test scanning a non-existent file
+TEST(unit_test_macho_pattern_scan_file, ScanNonExistentFile)
+{
+    const auto res = MachOPatternScanner::scan_for_pattern_in_file("/non/existent/file.bin", "55 48", "__text");
+    EXPECT_FALSE(res.has_value());
+}
+
+// Test scanning an invalid (non-Mach-O) file
+TEST(unit_test_macho_pattern_scan_file, ScanInvalidFile)
+{
+    constexpr std::string_view path = "./test_invalid_macho.bin";
+    std::ofstream f(path.data(), std::ios::binary);
+    const std::vector<std::uint8_t> garbage = {0x00, 0x01, 0x02, 0x03, 0x04, 0x05};
+    f.write(reinterpret_cast<const char*>(garbage.data()), static_cast<std::streamsize>(garbage.size()));
+    f.close();
+
+    const auto res = MachOPatternScanner::scan_for_pattern_in_file(path, "55 48", "__text");
+    EXPECT_FALSE(res.has_value());
+}
+
+// Test scanning for a non-existent section
+TEST(unit_test_macho_pattern_scan_file, ScanNonExistentSection)
+{
+    constexpr std::string_view path = "./test_minimal_macho_nosect.bin";
+    const std::vector<std::uint8_t> bytes = {0x55, 0x48, 0x89, 0xE5};
+    ASSERT_TRUE(write_minimal_macho64_file(path.data(), bytes));
+
+    const auto res = MachOPatternScanner::scan_for_pattern_in_file(path, "55 48", "__nonexistent");
+    EXPECT_FALSE(res.has_value());
+}
+
+// Test scanning with null module base address
+TEST(unit_test_macho_pattern_scan_loaded, ScanNullModule)
+{
+    const auto res = MachOPatternScanner::scan_for_pattern_in_loaded_module(nullptr, "55 48", "__text");
+    EXPECT_FALSE(res.has_value());
+}
+
+// Test scanning in loaded module with invalid magic
+TEST(unit_test_macho_pattern_scan_loaded, ScanInvalidMagic)
+{
+    std::vector<std::uint8_t> invalid_data(256, 0x00);
+    const auto res = MachOPatternScanner::scan_for_pattern_in_loaded_module(invalid_data.data(), "55 48", "__text");
+    EXPECT_FALSE(res.has_value());
+}

tests/general/unit_test_primitive_box.cpp

@@ -0,0 +1,16 @@
+//
+// Created by Vladislav on 11.01.2026.
+//
+#include "omath/3d_primitives/box.hpp"
+#include "omath/collision/line_tracer.hpp"
+#include "omath/engines/opengl_engine/primitives.hpp"
+#include <gtest/gtest.h>
+
+TEST(test, test)
+{
+    auto result = omath::primitives::create_box<omath::opengl_engine::BoxMesh>(
+            {0.f, 30.f, 0.f}, {}, omath::opengl_engine::k_abs_forward, omath::opengl_engine::k_abs_right);
+
+    omath::collision::Ray ray{.start = {0, 0, 0}, .end = {-100, 0, 0}};
+    std::ignore = omath::collision::LineTracer<>::get_ray_hit_point(ray, result);
+}

tests/general/unit_test_var_encryption.cpp

@@ -0,0 +1,17 @@
+//
+// Created by Vladislav on 04.01.2026.
+//
+#include "omath/linear_algebra/vector3.hpp"
+#include <gtest/gtest.h>
+#include <omath/containers/encrypted_variable.hpp>
+TEST(Enc, Test)
+{
+    constexpr omath::Vector3<float> original = {1.f, 2.f, 3.f};
+    OMATH_DEF_CRYPT_VAR(omath::Vector3<float>, 128) var{original};
+    {
+        omath::VarAnchor _ = var.drop_anchor();
+
+        EXPECT_EQ(original, var.value());
+    }
+    EXPECT_NE(original, var.value());
+}

tests/main.cpp

@@ -0,0 +1,8 @@
+#include <gtest/gtest.h>
+
+int main(int argc, char** argv)
+{
+    testing::InitGoogleTest(&argc, argv);
+
+    return RUN_ALL_TESTS();
+}

vcpkg.json

@@ -27,10 +27,11 @@
       ]
     },
     "examples": {
-      "description": "Build benchmarks",
+      "description": "Build examples",
       "dependencies": [
         "glfw3",
-        "glew"
+        "glew",
+        "opengl"
       ]
     },
     "imgui": {

xmake.lua

@@ -0,0 +1,113 @@
+add_rules("mode.debug", "mode.release")
+
+add_rules("utils.install.cmake_importfiles")
+add_rules("utils.install.pkgconfig_importfiles")
+
+set_version("4.6.1", {soname = "4.6"})
+set_languages("cxx23")
+set_warnings("all")
+
+option("avx2")
+    set_default(true)
+    set_showmenu(true)
+
+    after_check(function (option)
+        import("core.base.cpu")
+        option:enable(cpu.has_feature("avx2"))
+    end)
+option_end()
+
+option("imgui")
+    set_default(true)
+    set_showmenu(true)
+option_end()
+
+option("examples")
+    set_default(true)
+    set_showmenu(true)
+option_end()
+
+option("tests")
+    set_default(true)
+    set_showmenu(true)
+option_end()
+
+if has_config("avx2") then
+    add_defines("OMATH_ENABLE_AVX2")
+    add_vectorexts("avx2")
+end
+
+if has_config("imgui") then
+    add_defines("OMATH_IMGUI_INTEGRATION")
+    add_requires("imgui")
+    add_packages("imgui")
+end
+
+if has_config("examples") then
+    add_requires("glew", "glfw")
+end
+
+if has_config("tests") then
+    add_requires("gtest")
+end
+
+target("omath")
+    set_kind("static")
+    add_files("source/**.cpp")
+    add_includedirs("include", {public = true})
+    add_headerfiles("include/(**.hpp)", {prefixdir = "omath"})
+    on_config(function (target)
+        if has_config("avx2") then
+            cprint("${green} ✔️ AVX2 supported")
+        else
+            cprint("${red} ❌ AVX2 not supported")
+        end
+    end)
+
+target("example_projection_matrix_builder")
+    set_languages("cxx26")
+    set_kind("binary")
+    add_files("examples/example_proj_mat_builder.cpp")
+    add_deps("omath")
+    set_enabled(has_config("examples"))
+
+target("example_signature_scan")
+    set_languages("cxx26")
+    set_kind("binary")
+    add_files("examples/example_signature_scan.cpp")
+    add_deps("omath")
+    set_enabled(has_config("examples"))
+
+target("example_glfw3")
+    set_languages("cxx26")
+    set_kind("binary")
+    add_files("examples/example_glfw3.cpp")
+    add_deps("omath")
+    add_packages("glew", "glfw")
+    set_enabled(has_config("examples"))
+
+for _, file in ipairs(os.files("tests/**.cpp")) do
+    local name = path.basename(file)
+    target(name)
+        set_languages("cxx23")
+        set_kind("binary")
+        add_files(file, "tests/main.cpp")
+        add_deps("omath")
+        add_packages("gtest")
+        add_defines("OMATH_BUILD_TESTS")
+        add_tests("default")
+        set_default(false)
+        set_enabled(has_config("tests"))
+end
+
+task("check")
+    on_run(function ()
+        import("core.project.task")
+        for _, file in ipairs(os.files("tests/**.cpp")) do
+            local name = path.basename(file)
+            task.run("run", {target = name})
+        end
+    end)
+    set_menu {
+        usage = "xmake check", description = "Run tests !", options = {}
+    }