/* HandmadeMath.h v1.2.0 This is a single header file with a bunch of useful functions for basic game math operations. ============================================================================= You MUST #define HANDMADE_MATH_IMPLEMENTATION in EXACTLY one C or C++ file that includes this header, BEFORE the include, like this: #define HANDMADE_MATH_IMPLEMENTATION #include "HandmadeMath.h" All other files should just #include "HandmadeMath.h" without the #define. ============================================================================= For overloaded and operator overloaded versions of the base C functions, you MUST #define HANDMADE_MATH_CPP_MODE in EXACTLY one C or C++ file that includes this header, BEFORE the include, like this: #define HANDMADE_MATH_IMPLEMENTATION #define HANDMADE_MATH_CPP_MODE #include "HandmadeMath.h" All other files should just #include "HandmadeMath.h" without the #define. ============================================================================= To disable SSE intrinsics, you MUST #define HANDMADE_MATH_NO_SSE in EXACTLY one C or C++ file that includes this header, BEFORE the include, like this: #define HANDMADE_MATH_IMPLEMENTATION #define HANDMADE_MATH_CPP_MODE #define HANDMADE_MATH_NO_SSE #include "HandmadeMath.h" or #define HANDMADE_MATH_IMPLEMENTATION #define HANDMADE_MATH_NO_SSE #include "HandmadeMath.h" ============================================================================= To disable inlining functions, you MUST #define HANDMADE_MATH_NO_INLINE in EXACTLY one C or C++ file that includes this header, BEFORE the include, like this: #define HANDMADE_MATH_IMPLEMENTATION #define HANDMADE_MATH_CPP_MODE #define HANDMADE_MATH_NO_INLINE #include "HandmadeMath.h" All other files should just #include "HandmadeMath.h" without the #define. ============================================================================= To use HandmadeMath without the CRT, you MUST #define HMM_SINF MySinF #define HMM_COSF MyCosF #define HMM_TANF MyTanF #define HMM_SQRTF MySqrtF #define HMM_EXPF MyExpF #define HMM_LOGF MyLogF #define HMM_ACOSF MyACosF #define HMM_ATANF MyATanF #define HMM_ATAN2F MYATan2F Provide your own implementations of SinF, CosF, TanF, ACosF, ATanF, ATan2F, ExpF, and LogF in EXACTLY one C or C++ file that includes this header, BEFORE the include, like this: #define HMM_SINF MySinF #define HMM_COSF MyCosF #define HMM_TANF MyTanF #define HMM_SQRTF MySqrtF #define HMM_EXPF MyExpF #define HMM_LOGF MyLogF #define HMM_ACOSF MyACosF #define HMM_ATANF MyATanF #define HMM_ATAN2F MyATan2F #define HANDMADE_MATH_IMPLEMENTATION #define HANDMADE_MATH_CPP_MODE #include "HandmadeMath.h" If you do not define all five of these, HandmadeMath.h will use the versions of these functions that are provided by the CRT. ============================================================================= Version History: 0.2 (*) Updated documentation (*) Better C compliance (*) Prefix all handmade math functions (*) Better operator overloading 0.2a (*) Prefixed Macros 0.2b (*) Disabled warning 4201 on MSVC as it is legal is C11 (*) Removed the f at the end of HMM_PI to get 64bit precision 0.3 (*) Added +=, -=, *=, /= for hmm_vec2, hmm_vec3, hmm_vec4 0.4 (*) SSE Optimized HMM_SqrtF (*) SSE Optimized HMM_RSqrtF (*) Removed CRT 0.5 (*) Added scalar multiplication and division for vectors and matrices (*) Added matrix subtraction and += for hmm_mat4 (*) Reconciled all headers and implementations (*) Tidied up, and filled in a few missing operators 0.5.1 (*) Ensured column-major order for matrices throughout (*) Fixed HMM_Translate producing row-major matrices 0.5.2 (*) Fixed SSE code in HMM_SqrtF (*) Fixed SSE code in HMM_RSqrtF 0.6 (*) Added Unit testing (*) Made HMM_Power faster (*) Fixed possible efficiency problem with HMM_Normalize (*) RENAMED HMM_LengthSquareRoot to HMM_LengthSquared (*) RENAMED HMM_RSqrtF to HMM_RSquareRootF (*) RENAMED HMM_SqrtF to HMM_SquareRootF (*) REMOVED Inner function (user should use Dot now) (*) REMOVED HMM_FastInverseSquareRoot function declaration 0.7 (*) REMOVED HMM_LengthSquared in HANDMADE_MATH_IMPLEMENTATION (should use HMM_LengthSquaredVec3, or HANDMADE_MATH_CPP_MODE for function overloaded version) (*) REMOVED HMM_Length in HANDMADE_MATH_IMPLEMENTATION (should use HMM_LengthVec3, HANDMADE_MATH_CPP_MODE for function overloaded version) (*) REMOVED HMM_Normalize in HANDMADE_MATH_IMPLEMENTATION (should use HMM_NormalizeVec3, or HANDMADE_MATH_CPP_MODE for function overloaded version) (*) Added HMM_LengthSquaredVec2 (*) Added HMM_LengthSquaredVec4 (*) Addd HMM_LengthVec2 (*) Added HMM_LengthVec4 (*) Added HMM_NormalizeVec2 (*) Added HMM_NormalizeVec4 1.0 (*) Lots of testing! 1.1 (*) Quaternion support (*) Added type hmm_quaternion (*) Added HMM_Quaternion (*) Added HMM_QuaternionV4 (*) Added HMM_AddQuaternion (*) Added HMM_SubtractQuaternion (*) Added HMM_MultiplyQuaternion (*) Added HMM_MultiplyQuaternionF (*) Added HMM_DivideQuaternionF (*) Added HMM_InverseQuaternion (*) Added HMM_DotQuaternion (*) Added HMM_NormalizeQuaternion (*) Added HMM_Slerp (*) Added HMM_QuaternionToMat4 (*) Added HMM_QuaternionFromAxisAngle 1.1.1 (*) Resolved compiler warnings on gcc and g++ 1.1.2 (*) Fixed invalid HMMDEF's in the function definitions 1.1.3 (*) Fixed compile error in C mode 1.1.4 (*) Fixed SSE being included on platforms that don't support it (*) Fixed divide-by-zero errors when normalizing zero vectors. 1.1.5 (*) Add Width and Height to HMM_Vec2 (*) Made it so you can supply your own SqrtF 1.2.0 (*) Added equality functions for HMM_Vec2, HMM_Vec3, and HMM_Vec4. (*) Added HMM_EqualsVec2, HMM_EqualsVec3, and HMM_EqualsVec4 (*) Added C++ overloaded HMM_Equals for all three (*) Added C++ == and != operators for all three (*) SSE'd HMM_MultiplyMat4 (this is _WAY_ faster) (*) SSE'd HMM_Transpose LICENSE This software is in the public domain. Where that dedication is not recognized, you are granted a perpetual, irrevocable license to copy, distribute, and modify this file as you see fit. CREDITS Written by Zakary Strange (zak@handmade.network && @strangezak) Functionality: Matt Mascarenhas (@miblo_) Aleph FieryDrake (@fierydrake) Gingerbill (@TheGingerBill) Ben Visness (@bvisness) Trinton Bullard (@Peliex_Dev) Fixes: Jeroen van Rijn (@J_vanRijn) Kiljacken (@Kiljacken) Insofaras (@insofaras) Daniel Gibson (@DanielGibson) */ /* let's figure out if SSE is really available (unless disabled anyway) (it isn't on non-x86/x86_64 platforms or even x86 without explicit SSE support) => only use "#ifdef HANDMADE_MATH__USE_SSE" to check for SSE support below this block! */ #ifndef HANDMADE_MATH_NO_SSE # ifdef _MSC_VER /* MSVC supports SSE in amd64 mode or _M_IX86_FP >= 1 (2 means SSE2) */ # if defined(_M_AMD64) || ( defined(_M_IX86_FP) && _M_IX86_FP >= 1 ) # define HANDMADE_MATH__USE_SSE 1 # endif # else /* not MSVC, probably GCC, clang, icc or something that doesn't support SSE anyway */ # ifdef __SSE__ /* they #define __SSE__ if it's supported */ # define HANDMADE_MATH__USE_SSE 1 # endif /* __SSE__ */ # endif /* not _MSC_VER */ #endif /* #ifndef HANDMADE_MATH_NO_SSE */ #include // This is for types #ifdef HANDMADE_MATH__USE_SSE #include #endif #ifndef HANDMADE_MATH_H #define HANDMADE_MATH_H #ifdef _MSC_VER #pragma warning(disable:4201) #endif #ifdef __clang__ #pragma clang diagnostic push #pragma clang diagnostic ignored "-Wgnu-anonymous-struct" #endif #ifdef __cplusplus extern "C" { #endif #ifdef HANDMADE_MATH_STATIC #define HMMDEF static #else #define HMMDEF extern #endif #ifdef HANDMADE_MATH_NO_INLINE #define HINLINE #elif _MSC_VER && !__INTEL_COMPILER #define HINLINE __inline #else #define HINLINE inline #endif #if !defined(HMM_SINF) || !defined(HMM_COSF) || !defined(HMM_TANF) || \ !defined(HMM_SQRTF) || !defined(HMM_EXPF) || !defined(HMM_LOGF) || \ !defined(HMM_ACOSF) || !defined(HMM_ATANF)|| !defined(HMM_ATAN2F) #include #endif #ifndef HMM_SINF #define HMM_SINF sinf #endif #ifndef HMM_COSF #define HMM_COSF cosf #endif #ifndef HMM_TANF #define HMM_TANF tanf #endif #ifndef HMM_SQRTF #define HMM_SQRTF sqrtf #endif #ifndef HMM_EXPF #define HMM_EXPF expf #endif #ifndef HMM_LOGF #define HMM_LOGF logf #endif #ifndef HMM_ACOSF #define HMM_ACOSF acosf #endif #ifndef HMM_ATANF #define HMM_ATANF atanf #endif #ifndef HMM_ATAN2F #define HMM_ATAN2F atan2f #endif #define HMM_PI32 3.14159265359f #define HMM_PI 3.14159265358979323846 #define HMM_MIN(a, b) (a) > (b) ? (b) : (a) #define HMM_MAX(a, b) (a) < (b) ? (b) : (a) #define HMM_ABS(a) ((a) > 0 ? (a) : -(a)) #define HMM_MOD(a, m) ((a) % (m)) >= 0 ? ((a) % (m)) : (((a) % (m)) + (m)) #define HMM_SQUARE(x) ((x) * (x)) typedef union hmm_vec2 { struct { float X, Y; }; struct { float x, y; }; struct { float U, V; }; struct { float Left, Right; }; struct { float Width, Height; }; float Elements[2]; } hmm_vec2; typedef union hmm_vec3 { struct { float X, Y, Z; }; struct { float x, y, z; }; struct { float U, V, W; }; struct { float R, G, B; }; struct { hmm_vec2 XY; float Ignored0_; }; struct { float Ignored1_; hmm_vec2 YZ; }; struct { hmm_vec2 UV; float Ignored2_; }; struct { float Ignored3_; hmm_vec2 VW; }; float Elements[3]; } hmm_vec3; typedef union hmm_vec4 { struct { union { hmm_vec3 XYZ; struct { float X, Y, Z; }; }; float W; }; struct { union { hmm_vec3 xyz; struct { float x, y, z; }; }; float w; }; struct { union { hmm_vec3 RGB; struct { float R, G, B; }; struct { float r, g, b; }; }; union { float A; float a; }; }; struct { hmm_vec2 XY; float Ignored0_; float Ignored1_; }; struct { hmm_vec2 xy; float Ignored0b_; float Ignored1b_; }; struct { float Ignored2_; hmm_vec2 YZ; float Ignored3_; }; struct { float Ignored2b_; hmm_vec2 yz; float Ignored3b_; }; struct { float Ignored4_; float Ignored5_; hmm_vec2 ZW; }; struct { float Ignored4b_; float Ignored5b_; hmm_vec2 zw; }; float Elements[4]; } hmm_vec4; typedef union hmm_mat4 { float Elements[4][4]; #ifdef HANDMADE_MATH__USE_SSE __m128 Rows[4]; #endif } hmm_mat4; typedef union hmm_quaternion { struct { union { hmm_vec3 XYZ; struct { float X, Y, Z; }; }; float W; }; float Elements[4]; } hmm_quaternion; typedef struct { hmm_vec2 ValueMin; hmm_vec2 ValueMax; } hmm_vec2r; typedef struct { hmm_vec3 ValueMin; hmm_vec3 ValueMax; } hmm_vec3r; typedef struct { hmm_vec4 ValueMin; hmm_vec4 ValueMax; } hmm_vec4r; typedef int32_t hmm_bool; typedef hmm_vec2 hmm_v2; typedef hmm_vec3 hmm_v3; typedef hmm_vec4 hmm_v4; typedef hmm_mat4 hmm_m4; typedef hmm_vec2r hmm_v2r; typedef hmm_vec3r hmm_v3r; typedef hmm_vec4r hmm_v4r; HMMDEF float HMM_SinF(float Angle); HMMDEF float HMM_TanF(float Angle); HMMDEF float HMM_ATanF(float Theta); HMMDEF float HMM_ATan2F(float Theta, float Theta2); HMMDEF float HMM_CosF(float Angle); HMMDEF float HMM_ACosF(float Theta); HMMDEF float HMM_ExpF(float Float); HMMDEF float HMM_LogF(float Float); HMMDEF float HMM_ToRadians(float Degrees); HMMDEF float HMM_SquareRootF(float Float); HMMDEF float HMM_RSquareRootF(float Float); HMMDEF float HMM_LengthSquaredVec2(hmm_vec2 A); HMMDEF float HMM_LengthSquaredVec3(hmm_vec3 A); HMMDEF float HMM_LengthSquaredVec4(hmm_vec4 A); HMMDEF float HMM_LengthVec2(hmm_vec2 A); HMMDEF float HMM_LengthVec3(hmm_vec3 A); HMMDEF float HMM_LengthVec4(hmm_vec4 A); HMMDEF float HMM_Power(float Base, int Exponent); HMMDEF float HMM_PowerF(float Base, float Exponent); HMMDEF float HMM_Lerp(float A, float Time, float B); HMMDEF float HMM_Clamp(float Min, float Value, float Max); HMMDEF hmm_vec2 HMM_NormalizeVec2(hmm_vec2 A); HMMDEF hmm_vec3 HMM_NormalizeVec3(hmm_vec3 A); HMMDEF hmm_vec4 HMM_NormalizeVec4(hmm_vec4 A); HMMDEF float HMM_DotVec2(hmm_vec2 VecOne, hmm_vec2 VecTwo); HMMDEF float HMM_DotVec3(hmm_vec3 VecOne, hmm_vec3 VecTwo); HMMDEF float HMM_DotVec4(hmm_vec4 VecOne, hmm_vec4 VecTwo); HMMDEF hmm_vec3 HMM_Cross(hmm_vec3 VecOne, hmm_vec3 VecTwo); HMMDEF hmm_vec2 HMM_Vec2(float X, float Y); HMMDEF hmm_vec2 HMM_Vec2i(int X, int Y); HMMDEF hmm_vec3 HMM_Vec3(float X, float Y, float Z); HMMDEF hmm_vec3 HMM_Vec3i(int X, int Y, int Z); HMMDEF hmm_vec4 HMM_Vec4(float X, float Y, float Z, float W); HMMDEF hmm_vec4 HMM_Vec4i(int X, int Y, int Z, int W); HMMDEF hmm_vec4 HMM_Vec4v(hmm_vec3 Vector, float W); HMMDEF hmm_vec2 HMM_AddVec2(hmm_vec2 Left, hmm_vec2 Right); HMMDEF hmm_vec3 HMM_AddVec3(hmm_vec3 Left, hmm_vec3 Right); HMMDEF hmm_vec4 HMM_AddVec4(hmm_vec4 Left, hmm_vec4 Right); HMMDEF hmm_vec2 HMM_SubtractVec2(hmm_vec2 Left, hmm_vec2 Right); HMMDEF hmm_vec3 HMM_SubtractVec3(hmm_vec3 Left, hmm_vec3 Right); HMMDEF hmm_vec4 HMM_SubtractVec4(hmm_vec4 Left, hmm_vec4 Right); HMMDEF hmm_vec2 HMM_MultiplyVec2(hmm_vec2 Left, hmm_vec2 Right); HMMDEF hmm_vec2 HMM_MultiplyVec2f(hmm_vec2 Left, float Right); HMMDEF hmm_vec3 HMM_MultiplyVec3(hmm_vec3 Left, hmm_vec3 Right); HMMDEF hmm_vec3 HMM_MultiplyVec3f(hmm_vec3 Left, float Right); HMMDEF hmm_vec4 HMM_MultiplyVec4(hmm_vec4 Left, hmm_vec4 Right); HMMDEF hmm_vec4 HMM_MultiplyVec4f(hmm_vec4 Left, float Right); HMMDEF hmm_vec2 HMM_DivideVec2(hmm_vec2 Left, hmm_vec2 Right); HMMDEF hmm_vec2 HMM_DivideVec2f(hmm_vec2 Left, float Right); HMMDEF hmm_vec3 HMM_DivideVec3(hmm_vec3 Left, hmm_vec3 Right); HMMDEF hmm_vec3 HMM_DivideVec3f(hmm_vec3 Left, float Right); HMMDEF hmm_vec4 HMM_DivideVec4(hmm_vec4 Left, hmm_vec4 Right); HMMDEF hmm_vec4 HMM_DivideVec4f(hmm_vec4 Left, float Right); HMMDEF hmm_bool HMM_EqualsVec2(hmm_vec2 Left, hmm_vec2 Right); HMMDEF hmm_bool HMM_EqualsVec3(hmm_vec3 Left, hmm_vec3 Right); HMMDEF hmm_bool HMM_EqualsVec4(hmm_vec4 Left, hmm_vec4 Right); HMMDEF hmm_mat4 HMM_Mat4(void); HMMDEF hmm_mat4 HMM_Mat4d(float Diagonal); HMMDEF hmm_mat4 HMM_AddMat4(hmm_mat4 Left, hmm_mat4 Right); HMMDEF hmm_mat4 HMM_SubtractMat4(hmm_mat4 Left, hmm_mat4 Right); #ifdef HANDMADE_MATH__USE_SSE HMMDEF __m128 HMM_LinearCombineSSE(__m128 Left, hmm_mat4 Right); #endif HMMDEF hmm_mat4 HMM_MultiplyMat4(hmm_mat4 Left, hmm_mat4 Right); HMMDEF hmm_mat4 HMM_MultiplyMat4f(hmm_mat4 Matrix, float Scalar); HMMDEF hmm_vec4 HMM_MultiplyMat4ByVec4(hmm_mat4 Matrix, hmm_vec4 Vector); HMMDEF hmm_mat4 HMM_DivideMat4f(hmm_mat4 Matrix, float Scalar); HMMDEF hmm_mat4 HMM_Transpose(hmm_mat4 Matrix); HMMDEF hmm_mat4 HMM_Orthographic(float Left, float Right, float Bottom, float Top, float Near, float Far); HMMDEF hmm_mat4 HMM_Perspective(float FOV, float AspectRatio, float Near, float Far); HMMDEF hmm_mat4 HMM_Translate(hmm_vec3 Translation); HMMDEF hmm_mat4 HMM_Rotate(float Angle, hmm_vec3 Axis); HMMDEF hmm_mat4 HMM_Scale(hmm_vec3 Scale); HMMDEF hmm_mat4 HMM_LookAt(hmm_vec3 Eye, hmm_vec3 Center, hmm_vec3 Up); HMMDEF hmm_quaternion HMM_Quaternion(float X, float Y, float Z, float W); HMMDEF hmm_quaternion HMM_QuaternionV4(hmm_vec4 Vector); HMMDEF hmm_quaternion HMM_AddQuaternion(hmm_quaternion Left, hmm_quaternion Right); HMMDEF hmm_quaternion HMM_SubtractQuaternion(hmm_quaternion Left, hmm_quaternion Right); HMMDEF hmm_quaternion HMM_MultiplyQuaternion(hmm_quaternion Left, hmm_quaternion Right); HMMDEF hmm_quaternion HMM_MultiplyQuaternionF(hmm_quaternion Left, float Multiplicative); HMMDEF hmm_quaternion HMM_DivideQuaternionF(hmm_quaternion Left, float Dividend); HMMDEF hmm_quaternion HMM_InverseQuaternion(hmm_quaternion Left); HMMDEF float HMM_DotQuaternion(hmm_quaternion Left, hmm_quaternion Right); HMMDEF hmm_quaternion HMM_NormalizeQuaternion(hmm_quaternion Left); HMMDEF hmm_quaternion HMM_NLerp(hmm_quaternion Left, float Time, hmm_quaternion Right); HMMDEF hmm_quaternion HMM_Slerp(hmm_quaternion Left, float Time, hmm_quaternion Right); HMMDEF hmm_mat4 HMM_QuaternionToMat4(hmm_quaternion Left); HMMDEF hmm_quaternion HMM_QuaternionFromAxisAngle(hmm_vec3 Axis, float AngleOfRotation); #ifdef __cplusplus } #endif #ifdef HANDMADE_MATH_CPP_MODE HMMDEF float HMM_Length(hmm_vec2 A); HMMDEF float HMM_Length(hmm_vec3 A); HMMDEF float HMM_Length(hmm_vec4 A); HMMDEF float HMM_LengthSquared(hmm_vec2 A); HMMDEF float HMM_LengthSquared(hmm_vec3 A); HMMDEF float HMM_LengthSquared(hmm_vec4 A); HMMDEF hmm_vec2 HMM_Normalize(hmm_vec2 A); HMMDEF hmm_vec3 HMM_Normalize(hmm_vec3 A); HMMDEF hmm_vec4 HMM_Normalize(hmm_vec4 A); HMMDEF hmm_quaternion HMM_Normalize(hmm_quaternion A); HMMDEF float HMM_Dot(hmm_vec2 VecOne, hmm_vec2 VecTwo); HMMDEF float HMM_Dot(hmm_vec3 VecOne, hmm_vec3 VecTwo); HMMDEF float HMM_Dot(hmm_vec4 VecOne, hmm_vec4 VecTwo); HMMDEF float HMM_Dot(hmm_quaternion QuatOne, hmm_quaternion QuatTwo); HMMDEF hmm_vec2 HMM_Add(hmm_vec2 Left, hmm_vec2 Right); HMMDEF hmm_vec3 HMM_Add(hmm_vec3 Left, hmm_vec3 Right); HMMDEF hmm_vec4 HMM_Add(hmm_vec4 Left, hmm_vec4 Right); HMMDEF hmm_mat4 HMM_Add(hmm_mat4 Left, hmm_mat4 Right); HMMDEF hmm_quaternion HMM_Add(hmm_quaternion Left, hmm_quaternion Right); HMMDEF hmm_vec2 HMM_Subtract(hmm_vec2 Left, hmm_vec2 Right); HMMDEF hmm_vec3 HMM_Subtract(hmm_vec3 Left, hmm_vec3 Right); HMMDEF hmm_vec4 HMM_Subtract(hmm_vec4 Left, hmm_vec4 Right); HMMDEF hmm_mat4 HMM_Subtract(hmm_mat4 Left, hmm_mat4 Right); HMMDEF hmm_quaternion HMM_Subtract(hmm_quaternion Left, hmm_quaternion Right); HMMDEF hmm_vec2 HMM_Multiply(hmm_vec2 Left, hmm_vec2 Right); HMMDEF hmm_vec2 HMM_Multiply(hmm_vec2 Left, float Right); HMMDEF hmm_vec3 HMM_Multiply(hmm_vec3 Left, hmm_vec3 Right); HMMDEF hmm_vec3 HMM_Multiply(hmm_vec3 Left, float Right); HMMDEF hmm_vec4 HMM_Multiply(hmm_vec4 Left, hmm_vec4 Right); HMMDEF hmm_vec4 HMM_Multiply(hmm_vec4 Left, float Right); HMMDEF hmm_mat4 HMM_Multiply(hmm_mat4 Left, hmm_mat4 Right); HMMDEF hmm_mat4 HMM_Multiply(hmm_mat4 Left, float Right); HMMDEF hmm_vec4 HMM_Multiply(hmm_mat4 Matrix, hmm_vec4 Vector); HMMDEF hmm_quaternion HMM_Multiply(hmm_quaternion Left, hmm_quaternion Right); HMMDEF hmm_quaternion HMM_Multiply(hmm_quaternion Left, float Right); HMMDEF hmm_vec2 HMM_Divide(hmm_vec2 Left, hmm_vec2 Right); HMMDEF hmm_vec2 HMM_Divide(hmm_vec2 Left, float Right); HMMDEF hmm_vec3 HMM_Divide(hmm_vec3 Left, hmm_vec3 Right); HMMDEF hmm_vec3 HMM_Divide(hmm_vec3 Left, float Right); HMMDEF hmm_vec4 HMM_Divide(hmm_vec4 Left, hmm_vec4 Right); HMMDEF hmm_vec4 HMM_Divide(hmm_vec4 Left, float Right); HMMDEF hmm_mat4 HMM_Divide(hmm_mat4 Left, float Right); HMMDEF hmm_quaternion HMM_Divide(hmm_quaternion Left, hmm_quaternion Right); HMMDEF hmm_quaternion HMM_Divide(hmm_quaternion Left, float Right); HMMDEF hmm_bool HMM_Equals(hmm_vec2 Left, hmm_vec2 Right); HMMDEF hmm_bool HMM_Equals(hmm_vec3 Left, hmm_vec3 Right); HMMDEF hmm_bool HMM_Equals(hmm_vec4 Left, hmm_vec4 Right); HMMDEF hmm_vec2 operator+(hmm_vec2 Left, hmm_vec2 Right); HMMDEF hmm_vec3 operator+(hmm_vec3 Left, hmm_vec3 Right); HMMDEF hmm_vec4 operator+(hmm_vec4 Left, hmm_vec4 Right); HMMDEF hmm_mat4 operator+(hmm_mat4 Left, hmm_mat4 Right); HMMDEF hmm_quaternion operator+(hmm_quaternion Left, hmm_quaternion Right); HMMDEF hmm_vec2 operator-(hmm_vec2 Left, hmm_vec2 Right); HMMDEF hmm_vec3 operator-(hmm_vec3 Left, hmm_vec3 Right); HMMDEF hmm_vec4 operator-(hmm_vec4 Left, hmm_vec4 Right); HMMDEF hmm_mat4 operator-(hmm_mat4 Left, hmm_mat4 Right); HMMDEF hmm_quaternion operator-(hmm_quaternion Left, hmm_quaternion Right); HMMDEF hmm_vec2 operator*(hmm_vec2 Left, hmm_vec2 Right); HMMDEF hmm_vec3 operator*(hmm_vec3 Left, hmm_vec3 Right); HMMDEF hmm_vec4 operator*(hmm_vec4 Left, hmm_vec4 Right); HMMDEF hmm_mat4 operator*(hmm_mat4 Left, hmm_mat4 Right); HMMDEF hmm_quaternion operator*(hmm_quaternion Left, hmm_quaternion Right); HMMDEF hmm_vec2 operator*(hmm_vec2 Left, float Right); HMMDEF hmm_vec3 operator*(hmm_vec3 Left, float Right); HMMDEF hmm_vec4 operator*(hmm_vec4 Left, float Right); HMMDEF hmm_mat4 operator*(hmm_mat4 Left, float Right); HMMDEF hmm_quaternion operator*(hmm_quaternion Left, float Right); HMMDEF hmm_vec2 operator*(float Left, hmm_vec2 Right); HMMDEF hmm_vec3 operator*(float Left, hmm_vec3 Right); HMMDEF hmm_vec4 operator*(float Left, hmm_vec4 Right); HMMDEF hmm_mat4 operator*(float Left, hmm_mat4 Right); HMMDEF hmm_quaternion operator*(float Left, hmm_quaternion Right); HMMDEF hmm_vec4 operator*(hmm_mat4 Matrix, hmm_vec4 Vector); HMMDEF hmm_vec2 operator/(hmm_vec2 Left, hmm_vec2 Right); HMMDEF hmm_vec3 operator/(hmm_vec3 Left, hmm_vec3 Right); HMMDEF hmm_vec4 operator/(hmm_vec4 Left, hmm_vec4 Right); HMMDEF hmm_vec2 operator/(hmm_vec2 Left, float Right); HMMDEF hmm_vec3 operator/(hmm_vec3 Left, float Right); HMMDEF hmm_vec4 operator/(hmm_vec4 Left, float Right); HMMDEF hmm_mat4 operator/(hmm_mat4 Left, float Right); HMMDEF hmm_quaternion operator/(hmm_quaternion Left, float Right); HMMDEF hmm_vec2 &operator+=(hmm_vec2 &Left, hmm_vec2 Right); HMMDEF hmm_vec3 &operator+=(hmm_vec3 &Left, hmm_vec3 Right); HMMDEF hmm_vec4 &operator+=(hmm_vec4 &Left, hmm_vec4 Right); HMMDEF hmm_mat4 &operator+=(hmm_mat4 &Left, hmm_mat4 Right); HMMDEF hmm_quaternion &operator+=(hmm_quaternion &Left, hmm_quaternion Right); HMMDEF hmm_vec2 &operator-=(hmm_vec2 &Left, hmm_vec2 Right); HMMDEF hmm_vec3 &operator-=(hmm_vec3 &Left, hmm_vec3 Right); HMMDEF hmm_vec4 &operator-=(hmm_vec4 &Left, hmm_vec4 Right); HMMDEF hmm_mat4 &operator-=(hmm_mat4 &Left, hmm_mat4 Right); HMMDEF hmm_quaternion &operator-=(hmm_quaternion &Left, hmm_quaternion Right); HMMDEF hmm_vec2 &operator*=(hmm_vec2 &Left, hmm_vec2 Right); HMMDEF hmm_vec3 &operator*=(hmm_vec3 &Left, hmm_vec3 Right); HMMDEF hmm_vec4 &operator*=(hmm_vec4 &Left, hmm_vec4 Right); HMMDEF hmm_vec2 &operator*=(hmm_vec2 &Left, float Right); HMMDEF hmm_vec3 &operator*=(hmm_vec3 &Left, float Right); HMMDEF hmm_vec4 &operator*=(hmm_vec4 &Left, float Right); HMMDEF hmm_mat4 &operator*=(hmm_mat4 &Left, float Right); HMMDEF hmm_quaternion &operator*=(hmm_quaternion &Left, float Right); HMMDEF hmm_vec2 &operator/=(hmm_vec2 &Left, hmm_vec2 Right); HMMDEF hmm_vec3 &operator/=(hmm_vec3 &Left, hmm_vec3 Right); HMMDEF hmm_vec4 &operator/=(hmm_vec4 &Left, hmm_vec4 Right); HMMDEF hmm_vec2 &operator/=(hmm_vec2 &Left, float Right); HMMDEF hmm_vec3 &operator/=(hmm_vec3 &Left, float Right); HMMDEF hmm_vec4 &operator/=(hmm_vec4 &Left, float Right); HMMDEF hmm_mat4 &operator/=(hmm_mat4 &Left, float Right); HMMDEF hmm_quaternion &operator/=(hmm_quaternion &Left, float Right); HMMDEF hmm_bool operator==(hmm_vec2 Left, hmm_vec2 Right); HMMDEF hmm_bool operator==(hmm_vec3 Left, hmm_vec3 Right); HMMDEF hmm_bool operator==(hmm_vec4 Left, hmm_vec4 Right); HMMDEF hmm_bool operator!=(hmm_vec2 Left, hmm_vec2 Right); HMMDEF hmm_bool operator!=(hmm_vec3 Left, hmm_vec3 Right); HMMDEF hmm_bool operator!=(hmm_vec4 Left, hmm_vec4 Right); HMMDEF hmm_mat4 HMM_Mat4Identity(); HMMDEF hmm_vec2 HMM_LerpV2(hmm_vec2 A, float T, hmm_vec2 B); HMMDEF hmm_vec3 HMM_LerpV3(hmm_vec3 A, float T, hmm_vec3 B); HMMDEF hmm_vec4 HMM_LerpV4(hmm_vec4 A, float T, hmm_vec4 B); HMMDEF hmm_vec4 HMM_AverageVec3(hmm_vec4* Arr, unsigned int Len); HMMDEF hmm_vec4 HMM_AverageVec4(hmm_vec4* Arr, unsigned int Len); HMMDEF bool HMM_SameSide(hmm_vec3 P1, hmm_vec3 P2, hmm_vec3 A, hmm_vec3 B); HMMDEF bool HMM_PointInTriangle(hmm_vec3 P, hmm_vec3 T0, hmm_vec3 T1, hmm_vec3 T2); #endif /* HANDMADE_MATH_CPP */ #ifdef __clang__ #pragma clang diagnostic pop #endif #endif /* HANDMADE_MATH_H */ #ifdef HANDMADE_MATH_IMPLEMENTATION #ifdef __clang__ #pragma clang diagnostic push #pragma clang diagnostic ignored "-Wmissing-field-initializers" #pragma clang diagnostic ignored "-Wmissing-braces" #endif HINLINE float HMM_SinF(float Angle) { float Result = 0.0f; Result = HMM_SINF(Angle); return (Result); } HINLINE float HMM_CosF(float Angle) { float Result = 0.0f; Result = HMM_COSF(Angle); return (Result); } HINLINE float HMM_TanF(float Radians) { float Result = 0.0f; Result = HMM_TANF(Radians); return (Result); } HINLINE float HMM_ACosF(float Radians) { float Result = 0.0f; Result = HMM_ACOSF(Radians); return (Result); } HINLINE float HMM_ATanF(float Radians) { float Result = 0.0f; Result = HMM_ATANF(Radians); return (Result); } HINLINE float HMM_Atan2F(float Left, float Right) { float Result = 0.0f; Result = HMM_ATAN2F(Left, Right); return (Result); } HINLINE float HMM_ExpF(float Float) { float Result = 0.0f; Result = HMM_EXPF(Float); return (Result); } HINLINE float HMM_LogF(float Float) { float Result = 0.0f; Result = HMM_LOGF(Float); return (Result); } HINLINE float HMM_ToRadians(float Degrees) { float Result = 0.0f; Result = Degrees * (HMM_PI32 / 180.0f); return (Result); } HINLINE float HMM_SquareRootF(float Value) { float Result = 0.0f; #ifdef HANDMADE_MATH__USE_SSE __m128 In = _mm_set_ss(Value); __m128 Out = _mm_sqrt_ss(In); Result = _mm_cvtss_f32(Out); #else Result = HMM_SQRTF(Value); #endif return(Result); } HINLINE float HMM_RSquareRootF(float Value) { float Result = 0.0f; #ifdef HANDMADE_MATH__USE_SSE __m128 In = _mm_set_ss(Value); __m128 Out = _mm_rsqrt_ss(In); Result = _mm_cvtss_f32(Out); #else Result = 1.0f/HMM_SquareRootF(Value); #endif return(Result); } HINLINE float HMM_LengthSquaredVec2(hmm_vec2 A) { float Result = 0.0f; Result = HMM_DotVec2(A, A); return(Result); } HINLINE float HMM_LengthSquaredVec3(hmm_vec3 A) { float Result = 0.0f; Result = HMM_DotVec3(A, A); return (Result); } HINLINE float HMM_LengthSquaredVec4(hmm_vec4 A) { float Result = 0.0f; Result = HMM_DotVec4(A, A); return(Result); } HINLINE float HMM_LengthVec2(hmm_vec2 A) { float Result = 0.0f; Result = HMM_SquareRootF(HMM_LengthSquaredVec2(A)); return(Result); } HINLINE float HMM_LengthVec3(hmm_vec3 A) { float Result = 0.0f; Result = HMM_SquareRootF(HMM_LengthSquaredVec3(A)); return (Result); } HINLINE float HMM_LengthVec4(hmm_vec4 A) { float Result = 0.0f; Result = HMM_SquareRootF(HMM_LengthSquaredVec4(A)); return(Result); } HINLINE float HMM_Power(float Base, int Exponent) { float Result = 1.0f; float Mul = Exponent < 0 ? 1.f / Base : Base; int X = Exponent < 0 ? -Exponent : Exponent; while (X) { if (X & 1) { Result *= Mul; } Mul *= Mul; X >>= 1; } return (Result); } HINLINE float HMM_PowerF(float Base, float Exponent) { return HMM_EXPF(Exponent * HMM_LOGF(Base)); } HINLINE float HMM_Lerp(float A, float Time, float B) { float Result = 0; Result = (1.0f - Time) * A + Time * B; return (Result); } HINLINE float HMM_Clamp(float Min, float Value, float Max) { float Result = Value; if(Result < Min) { Result = Min; } else if(Result > Max) { Result = Max; } return (Result); } HINLINE hmm_vec2 HMM_NormalizeVec2(hmm_vec2 A) { hmm_vec2 Result = {0}; float VectorLength = HMM_LengthVec2(A); /* NOTE(kiljacken): We need a zero check to not divide-by-zero */ if (VectorLength != 0.0f) { Result.X = A.X * (1.0f / VectorLength); Result.Y = A.Y * (1.0f / VectorLength); } return (Result); } HINLINE hmm_vec3 HMM_NormalizeVec3(hmm_vec3 A) { hmm_vec3 Result = {0}; float VectorLength = HMM_LengthVec3(A); /* NOTE(kiljacken): We need a zero check to not divide-by-zero */ if (VectorLength != 0.0f) { Result.X = A.X * (1.0f / VectorLength); Result.Y = A.Y * (1.0f / VectorLength); Result.Z = A.Z * (1.0f / VectorLength); } return (Result); } HINLINE hmm_vec4 HMM_NormalizeVec4(hmm_vec4 A) { hmm_vec4 Result = {0}; float VectorLength = HMM_LengthVec4(A); /* NOTE(kiljacken): We need a zero check to not divide-by-zero */ if (VectorLength != 0.0f) { Result.X = A.X * (1.0f / VectorLength); Result.Y = A.Y * (1.0f / VectorLength); Result.Z = A.Z * (1.0f / VectorLength); Result.W = A.W * (1.0f / VectorLength); } return (Result); } HINLINE float HMM_DotVec2(hmm_vec2 VecOne, hmm_vec2 VecTwo) { float Result = 0.0f; Result = (VecOne.X * VecTwo.X) + (VecOne.Y * VecTwo.Y); return (Result); } HINLINE float HMM_DotVec3(hmm_vec3 VecOne, hmm_vec3 VecTwo) { float Result = 0.0f; Result = (VecOne.X * VecTwo.X) + (VecOne.Y * VecTwo.Y) + (VecOne.Z * VecTwo.Z); return (Result); } HINLINE float HMM_DotVec4(hmm_vec4 VecOne, hmm_vec4 VecTwo) { float Result = 0.0f; Result = (VecOne.X * VecTwo.X) + (VecOne.Y * VecTwo.Y) + (VecOne.Z * VecTwo.Z) + (VecOne.W * VecTwo.W); return (Result); } HINLINE hmm_vec3 HMM_Cross(hmm_vec3 VecOne, hmm_vec3 VecTwo) { hmm_vec3 Result = {0}; Result.X = (VecOne.Y * VecTwo.Z) - (VecOne.Z * VecTwo.Y); Result.Y = (VecOne.Z * VecTwo.X) - (VecOne.X * VecTwo.Z); Result.Z = (VecOne.X * VecTwo.Y) - (VecOne.Y * VecTwo.X); return (Result); } HINLINE hmm_vec2 HMM_Vec2(float X, float Y) { hmm_vec2 Result = {0}; Result.X = X; Result.Y = Y; return (Result); } HINLINE hmm_vec2 HMM_Vec2i(int X, int Y) { hmm_vec2 Result = {0}; Result.X = (float)X; Result.Y = (float)Y; return (Result); } HINLINE hmm_vec3 HMM_Vec3(float X, float Y, float Z) { hmm_vec3 Result = {0}; Result.X = X; Result.Y = Y; Result.Z = Z; return (Result); } HINLINE hmm_vec3 HMM_Vec3i(int X, int Y, int Z) { hmm_vec3 Result = {0}; Result.X = (float)X; Result.Y = (float)Y; Result.Z = (float)Z; return (Result); } HINLINE hmm_vec4 HMM_Vec4(float X, float Y, float Z, float W) { hmm_vec4 Result = {0}; Result.X = X; Result.Y = Y; Result.Z = Z; Result.W = W; return (Result); } HINLINE hmm_vec4 HMM_Vec4i(int X, int Y, int Z, int W) { hmm_vec4 Result = {0}; Result.X = (float)X; Result.Y = (float)Y; Result.Z = (float)Z; Result.W = (float)W; return (Result); } HINLINE hmm_vec4 HMM_Vec4v(hmm_vec3 Vector, float W) { hmm_vec4 Result = {0}; Result.XYZ = Vector; Result.W = W; return (Result); } HINLINE hmm_vec2 HMM_AddVec2(hmm_vec2 Left, hmm_vec2 Right) { hmm_vec2 Result = {0}; Result.X = Left.X + Right.X; Result.Y = Left.Y + Right.Y; return (Result); } HINLINE hmm_vec3 HMM_AddVec3(hmm_vec3 Left, hmm_vec3 Right) { hmm_vec3 Result = {0}; Result.X = Left.X + Right.X; Result.Y = Left.Y + Right.Y; Result.Z = Left.Z + Right.Z; return (Result); } HINLINE hmm_vec4 HMM_AddVec4(hmm_vec4 Left, hmm_vec4 Right) { hmm_vec4 Result = {0}; Result.X = Left.X + Right.X; Result.Y = Left.Y + Right.Y; Result.Z = Left.Z + Right.Z; Result.W = Left.W + Right.W; return (Result); } HINLINE hmm_vec2 HMM_SubtractVec2(hmm_vec2 Left, hmm_vec2 Right) { hmm_vec2 Result = {0}; Result.X = Left.X - Right.X; Result.Y = Left.Y - Right.Y; return (Result); } HINLINE hmm_vec3 HMM_SubtractVec3(hmm_vec3 Left, hmm_vec3 Right) { hmm_vec3 Result = {0}; Result.X = Left.X - Right.X; Result.Y = Left.Y - Right.Y; Result.Z = Left.Z - Right.Z; return (Result); } HINLINE hmm_vec4 HMM_SubtractVec4(hmm_vec4 Left, hmm_vec4 Right) { hmm_vec4 Result = {0}; Result.X = Left.X - Right.X; Result.Y = Left.Y - Right.Y; Result.Z = Left.Z - Right.Z; Result.W = Left.W - Right.W; return (Result); } HINLINE hmm_vec2 HMM_MultiplyVec2(hmm_vec2 Left, hmm_vec2 Right) { hmm_vec2 Result = {0}; Result.X = Left.X * Right.X; Result.Y = Left.Y * Right.Y; return (Result); } HINLINE hmm_vec2 HMM_MultiplyVec2f(hmm_vec2 Left, float Right) { hmm_vec2 Result = {0}; Result.X = Left.X * Right; Result.Y = Left.Y * Right; return (Result); } HINLINE hmm_vec3 HMM_MultiplyVec3(hmm_vec3 Left, hmm_vec3 Right) { hmm_vec3 Result = {0}; Result.X = Left.X * Right.X; Result.Y = Left.Y * Right.Y; Result.Z = Left.Z * Right.Z; return (Result); } HINLINE hmm_vec3 HMM_MultiplyVec3f(hmm_vec3 Left, float Right) { hmm_vec3 Result = {0}; Result.X = Left.X * Right; Result.Y = Left.Y * Right; Result.Z = Left.Z * Right; return (Result); } HINLINE hmm_vec4 HMM_MultiplyVec4(hmm_vec4 Left, hmm_vec4 Right) { hmm_vec4 Result = {0}; Result.X = Left.X * Right.X; Result.Y = Left.Y * Right.Y; Result.Z = Left.Z * Right.Z; Result.W = Left.W * Right.W; return (Result); } HINLINE hmm_vec4 HMM_MultiplyVec4f(hmm_vec4 Left, float Right) { hmm_vec4 Result = {0}; Result.X = Left.X * Right; Result.Y = Left.Y * Right; Result.Z = Left.Z * Right; Result.W = Left.W * Right; return (Result); } HINLINE hmm_vec2 HMM_DivideVec2(hmm_vec2 Left, hmm_vec2 Right) { hmm_vec2 Result = {0}; Result.X = Left.X / Right.X; Result.Y = Left.Y / Right.Y; return (Result); } HINLINE hmm_vec2 HMM_DivideVec2f(hmm_vec2 Left, float Right) { hmm_vec2 Result = {0}; Result.X = Left.X / Right; Result.Y = Left.Y / Right; return (Result); } HINLINE hmm_vec3 HMM_DivideVec3(hmm_vec3 Left, hmm_vec3 Right) { hmm_vec3 Result = {0}; Result.X = Left.X / Right.X; Result.Y = Left.Y / Right.Y; Result.Z = Left.Z / Right.Z; return (Result); } HINLINE hmm_vec3 HMM_DivideVec3f(hmm_vec3 Left, float Right) { hmm_vec3 Result = {0}; Result.X = Left.X / Right; Result.Y = Left.Y / Right; Result.Z = Left.Z / Right; return (Result); } HINLINE hmm_vec4 HMM_DivideVec4(hmm_vec4 Left, hmm_vec4 Right) { hmm_vec4 Result = {0}; Result.X = Left.X / Right.X; Result.Y = Left.Y / Right.Y; Result.Z = Left.Z / Right.Z; Result.W = Left.W / Right.W; return (Result); } HINLINE hmm_vec4 HMM_DivideVec4f(hmm_vec4 Left, float Right) { hmm_vec4 Result = {0}; Result.X = Left.X / Right; Result.Y = Left.Y / Right; Result.Z = Left.Z / Right; Result.W = Left.W / Right; return (Result); } HINLINE hmm_bool HMM_EqualsVec2(hmm_vec2 Left, hmm_vec2 Right) { hmm_bool Result = 0; Result = (Left.X == Right.X && Left.Y == Right.Y); return (Result); } HINLINE hmm_bool HMM_EqualsVec3(hmm_vec3 Left, hmm_vec3 Right) { hmm_bool Result = 0; Result = (Left.X == Right.X && Left.Y == Right.Y && Left.Z == Right.Z); return (Result); } HINLINE hmm_bool HMM_EqualsVec4(hmm_vec4 Left, hmm_vec4 Right) { hmm_bool Result = 0; Result = (Left.X == Right.X && Left.Y == Right.Y && Left.Z == Right.Z && Left.W == Right.W); return (Result); } HINLINE hmm_mat4 HMM_Mat4(void) { hmm_mat4 Result = {0}; return (Result); } HINLINE hmm_mat4 HMM_Mat4d(float Diagonal) { hmm_mat4 Result = HMM_Mat4(); Result.Elements[0][0] = Diagonal; Result.Elements[1][1] = Diagonal; Result.Elements[2][2] = Diagonal; Result.Elements[3][3] = Diagonal; return (Result); } HINLINE hmm_mat4 HMM_AddMat4(hmm_mat4 Left, hmm_mat4 Right) { hmm_mat4 Result = HMM_Mat4(); int Columns; for(Columns = 0; Columns < 4; ++Columns) { int Rows; for(Rows = 0; Rows < 4; ++Rows) { Result.Elements[Columns][Rows] = Left.Elements[Columns][Rows] + Right.Elements[Columns][Rows]; } } return (Result); } HINLINE hmm_mat4 HMM_SubtractMat4(hmm_mat4 Left, hmm_mat4 Right) { hmm_mat4 Result = HMM_Mat4(); int Columns; for(Columns = 0; Columns < 4; ++Columns) { int Rows; for(Rows = 0; Rows < 4; ++Rows) { Result.Elements[Columns][Rows] = Left.Elements[Columns][Rows] - Right.Elements[Columns][Rows]; } } return (Result); } #ifdef HANDMADE_MATH__USE_SSE HINLINE __m128 HMM_LinearCombineSSE(__m128 Left, hmm_mat4 Right) { __m128 Result = {}; Result = _mm_mul_ps(_mm_shuffle_ps(Left, Left, 0x00), Right.Rows[0]); Result = _mm_add_ps(Result, _mm_mul_ps(_mm_shuffle_ps(Left, Left, 0x55), Right.Rows[1])); Result = _mm_add_ps(Result, _mm_mul_ps(_mm_shuffle_ps(Left, Left, 0xaa), Right.Rows[2])); Result = _mm_add_ps(Result, _mm_mul_ps(_mm_shuffle_ps(Left, Left, 0xff), Right.Rows[3])); return(Result); } #endif HINLINE hmm_mat4 HMM_MultiplyMat4(hmm_mat4 Left, hmm_mat4 Right) { hmm_mat4 Result = HMM_Mat4(); #ifdef HANDMADE_MATH__USE_SSE hmm_mat4 TransposedLeft = HMM_Transpose(Left); hmm_mat4 TransposedRight = HMM_Transpose(Right); Result.Rows[0] = HMM_LinearCombineSSE(TransposedLeft.Rows[0], TransposedRight); Result.Rows[1] = HMM_LinearCombineSSE(TransposedLeft.Rows[1], TransposedRight); Result.Rows[2] = HMM_LinearCombineSSE(TransposedLeft.Rows[2], TransposedRight); Result.Rows[3] = HMM_LinearCombineSSE(TransposedLeft.Rows[3], TransposedRight); Result = HMM_Transpose(Result); #else int Columns; for(Columns = 0; Columns < 4; ++Columns) { int Rows; for(Rows = 0; Rows < 4; ++Rows) { float Sum = 0; int CurrentMatrice; for(CurrentMatrice = 0; CurrentMatrice < 4; ++CurrentMatrice) { Sum += Left.Elements[CurrentMatrice][Rows] * Right.Elements[Columns][CurrentMatrice]; } Result.Elements[Columns][Rows] = Sum; } } #endif return (Result); } HINLINE hmm_mat4 HMM_MultiplyMat4f(hmm_mat4 Matrix, float Scalar) { hmm_mat4 Result = HMM_Mat4(); int Columns; for(Columns = 0; Columns < 4; ++Columns) { int Rows; for(Rows = 0; Rows < 4; ++Rows) { Result.Elements[Columns][Rows] = Matrix.Elements[Columns][Rows] * Scalar; } } return (Result); } HINLINE hmm_vec4 HMM_MultiplyMat4ByVec4(hmm_mat4 Matrix, hmm_vec4 Vector) { hmm_vec4 Result = {0}; int Columns, Rows; for(Rows = 0; Rows < 4; ++Rows) { float Sum = 0; for(Columns = 0; Columns < 4; ++Columns) { Sum += Matrix.Elements[Columns][Rows] * Vector.Elements[Columns]; } Result.Elements[Rows] = Sum; } return (Result); } HINLINE hmm_mat4 HMM_DivideMat4f(hmm_mat4 Matrix, float Scalar) { hmm_mat4 Result = HMM_Mat4(); int Columns; for(Columns = 0; Columns < 4; ++Columns) { int Rows; for(Rows = 0; Rows < 4; ++Rows) { Result.Elements[Columns][Rows] = Matrix.Elements[Columns][Rows] / Scalar; } } return (Result); } HINLINE hmm_mat4 HMM_Transpose(hmm_mat4 Matrix) { hmm_mat4 Result = HMM_Mat4(); #ifdef HANDMADE_MATH__USE_SSE Result = Matrix; _MM_TRANSPOSE4_PS(Result.Rows[0], Result.Rows[1], Result.Rows[2], Result.Rows[3]); #else int Columns; for(Columns = 0; Columns < 4; ++Columns) { int Rows; for(Rows = 0; Rows < 4; ++Rows) { Result.Elements[Rows][Columns] = Matrix.Elements[Columns][Rows]; } } #endif return (Result); } HINLINE hmm_mat4 HMM_Orthographic(float Left, float Right, float Bottom, float Top, float Near, float Far) { hmm_mat4 Result = HMM_Mat4d(1.0f); Result.Elements[0][0] = 2.0f / (Right - Left); Result.Elements[1][1] = 2.0f / (Top - Bottom); Result.Elements[2][2] = 2.0f / (Near - Far); Result.Elements[3][0] = (Left + Right) / (Left - Right); Result.Elements[3][1] = (Bottom + Top) / (Bottom - Top); Result.Elements[3][2] = (Far + Near) / (Near - Far); return (Result); } HINLINE hmm_mat4 HMM_Perspective(float FOV, float AspectRatio, float Near, float Far) { hmm_mat4 Result = HMM_Mat4d(1.0f); float TanThetaOver2 = HMM_TanF(FOV * (HMM_PI32 / 360.0f)); Result.Elements[0][0] = 1.0f / TanThetaOver2; Result.Elements[1][1] = AspectRatio / TanThetaOver2; Result.Elements[2][3] = -1.0f; Result.Elements[2][2] = (Near + Far) / (Near - Far); Result.Elements[3][2] = (2.0f * Near * Far) / (Near - Far); Result.Elements[3][3] = 0.0f; return (Result); } HINLINE hmm_mat4 HMM_Translate(hmm_vec3 Translation) { hmm_mat4 Result = HMM_Mat4d(1.0f); Result.Elements[3][0] = Translation.X; Result.Elements[3][1] = Translation.Y; Result.Elements[3][2] = Translation.Z; return (Result); } HINLINE hmm_mat4 HMM_Rotate(float Angle, hmm_vec3 Axis) { hmm_mat4 Result = HMM_Mat4d(1.0f); Axis = HMM_NormalizeVec3(Axis); float SinTheta = HMM_SinF(HMM_ToRadians(Angle)); float CosTheta = HMM_CosF(HMM_ToRadians(Angle)); float CosValue = 1.0f - CosTheta; Result.Elements[0][0] = (Axis.X * Axis.X * CosValue) + CosTheta; Result.Elements[0][1] = (Axis.X * Axis.Y * CosValue) + (Axis.Z * SinTheta); Result.Elements[0][2] = (Axis.X * Axis.Z * CosValue) - (Axis.Y * SinTheta); Result.Elements[1][0] = (Axis.Y * Axis.X * CosValue) - (Axis.Z * SinTheta); Result.Elements[1][1] = (Axis.Y * Axis.Y * CosValue) + CosTheta; Result.Elements[1][2] = (Axis.Y * Axis.Z * CosValue) + (Axis.X * SinTheta); Result.Elements[2][0] = (Axis.Z * Axis.X * CosValue) + (Axis.Y * SinTheta); Result.Elements[2][1] = (Axis.Z * Axis.Y * CosValue) - (Axis.X * SinTheta); Result.Elements[2][2] = (Axis.Z * Axis.Z * CosValue) + CosTheta; return (Result); } HINLINE hmm_mat4 HMM_Scale(hmm_vec3 Scale) { hmm_mat4 Result = HMM_Mat4d(1.0f); Result.Elements[0][0] = Scale.X; Result.Elements[1][1] = Scale.Y; Result.Elements[2][2] = Scale.Z; return (Result); } HINLINE hmm_mat4 HMM_LookAt(hmm_vec3 Eye, hmm_vec3 Center, hmm_vec3 Up) { hmm_mat4 Result = {0}; hmm_vec3 F = HMM_NormalizeVec3(HMM_SubtractVec3(Center, Eye)); hmm_vec3 S = HMM_NormalizeVec3(HMM_Cross(F, Up)); hmm_vec3 U = HMM_Cross(S, F); Result.Elements[0][0] = S.X; Result.Elements[0][1] = U.X; Result.Elements[0][2] = -F.X; Result.Elements[1][0] = S.Y; Result.Elements[1][1] = U.Y; Result.Elements[1][2] = -F.Y; Result.Elements[2][0] = S.Z; Result.Elements[2][1] = U.Z; Result.Elements[2][2] = -F.Z; Result.Elements[3][0] = -HMM_DotVec3(S, Eye); Result.Elements[3][1] = -HMM_DotVec3(U, Eye); Result.Elements[3][2] = HMM_DotVec3(F, Eye); Result.Elements[3][3] = 1.0f; return (Result); } HINLINE hmm_quaternion HMM_Quaternion(float X, float Y, float Z, float W) { hmm_quaternion Result = {0}; Result.X = X; Result.Y = Y; Result.Z = Z; Result.W = W; return(Result); } HINLINE hmm_quaternion HMM_QuaternionV4(hmm_vec4 Vector) { hmm_quaternion Result = {0}; Result.X = Vector.X; Result.Y = Vector.Y; Result.Z = Vector.Z; Result.W = Vector.W; return(Result); } HINLINE hmm_quaternion HMM_AddQuaternion(hmm_quaternion Left, hmm_quaternion Right) { hmm_quaternion Result = {0}; Result.X = Left.X + Right.X; Result.Y = Left.Y + Right.Y; Result.Z = Left.Z + Right.Z; Result.W = Left.W + Right.W; return(Result); } HINLINE hmm_quaternion HMM_SubtractQuaternion(hmm_quaternion Left, hmm_quaternion Right) { hmm_quaternion Result = {0}; Result.X = Left.X - Right.X; Result.Y = Left.Y - Right.Y; Result.Z = Left.Z - Right.Z; Result.W = Left.W - Right.W; return(Result); } HINLINE hmm_quaternion HMM_MultiplyQuaternion(hmm_quaternion Left, hmm_quaternion Right) { hmm_quaternion Result = {0}; Result.X = (Left.X * Right.W) + (Left.Y * Right.Z) - (Left.Z * Right.Y) + (Left.W * Right.X); Result.Y = (-Left.X * Right.Z) + (Left.Y * Right.W) + (Left.Z * Right.X) + (Left.W * Right.Y); Result.Z = (Left.X * Right.Y) - (Left.Y * Right.X) + (Left.Z * Right.W) + (Left.W * Right.Z); Result.W = (-Left.X * Right.X) - (Left.Y * Right.Y) - (Left.Z * Right.Z) + (Left.W * Right.W); return(Result); } HINLINE hmm_quaternion HMM_MultiplyQuaternionF(hmm_quaternion Left, float Multiplicative) { hmm_quaternion Result = {0}; Result.X = Left.X * Multiplicative; Result.Y = Left.Y * Multiplicative; Result.Z = Left.Z * Multiplicative; Result.W = Left.W * Multiplicative; return(Result); } HINLINE hmm_quaternion HMM_DivideQuaternionF(hmm_quaternion Left, float Dividend) { hmm_quaternion Result = {0}; Result.X = Left.X / Dividend; Result.Y = Left.Y / Dividend; Result.Z = Left.Z / Dividend; Result.W = Left.W / Dividend; return(Result); } HINLINE hmm_quaternion HMM_InverseQuaternion(hmm_quaternion Left) { hmm_quaternion Conjugate = {0}; hmm_quaternion Result = {0}; float Norm = 0; float NormSquared = 0; Conjugate.X = -Left.X; Conjugate.Y = -Left.Y; Conjugate.Z = -Left.Z; Conjugate.W = Left.W; Norm = HMM_SquareRootF(HMM_DotQuaternion(Left, Left)); NormSquared = Norm * Norm; Result.X = Conjugate.X / NormSquared; Result.Y = Conjugate.Y / NormSquared; Result.Z = Conjugate.Z / NormSquared; Result.W = Conjugate.W / NormSquared; return(Result); } HINLINE float HMM_DotQuaternion(hmm_quaternion Left, hmm_quaternion Right) { float Result = 0.0f; Result = (Left.X * Right.X) + (Left.Y * Right.Y) + (Left.Z * Right.Z) + (Left.W * Right.W); return(Result); } HINLINE hmm_quaternion HMM_NormalizeQuaternion(hmm_quaternion Left) { hmm_quaternion Result; float Length = HMM_SquareRootF(HMM_DotQuaternion(Left, Left)); Result = HMM_DivideQuaternionF(Left, Length); return(Result); } HINLINE hmm_quaternion HMM_NLerp(hmm_quaternion Left, float Time, hmm_quaternion Right) { hmm_quaternion Result = {0}; Result.X = HMM_Lerp(Left.X, Time, Right.X); Result.Y = HMM_Lerp(Left.Y, Time, Right.Y); Result.Z = HMM_Lerp(Left.Z, Time, Right.Z); Result.W = HMM_Lerp(Left.W, Time, Right.W); Result = HMM_NormalizeQuaternion(Result); return(Result); } HINLINE hmm_quaternion HMM_Slerp(hmm_quaternion Left, float Time, hmm_quaternion Right) { hmm_quaternion Result; hmm_quaternion QuaternionLeft; hmm_quaternion QuaternionRight; float Cos_Theta = HMM_DotQuaternion(Left, Right); float Angle = HMM_ACosF(Cos_Theta); float S1 = HMM_SinF((1.0f - Time) * Angle); float S2 = HMM_SinF(Time * Angle); float Is = 1.0f / HMM_SinF(Angle); QuaternionLeft = HMM_MultiplyQuaternionF(Left, S1); QuaternionRight = HMM_MultiplyQuaternionF(Right, S2); Result = HMM_AddQuaternion(QuaternionLeft, QuaternionRight); Result = HMM_MultiplyQuaternionF(Result, Is); return(Result); } HINLINE hmm_mat4 HMM_QuaternionToMat4(hmm_quaternion Left) { hmm_mat4 Result; Result = HMM_Mat4d(1); hmm_quaternion NormalizedQuaternion = HMM_NormalizeQuaternion(Left); float XX, YY, ZZ, XY, XZ, YZ, WX, WY, WZ; XX = NormalizedQuaternion.X * NormalizedQuaternion.X; YY = NormalizedQuaternion.Y * NormalizedQuaternion.Y; ZZ = NormalizedQuaternion.Z * NormalizedQuaternion.Z; XY = NormalizedQuaternion.X * NormalizedQuaternion.Y; XZ = NormalizedQuaternion.X * NormalizedQuaternion.Z; YZ = NormalizedQuaternion.Y * NormalizedQuaternion.Z; WX = NormalizedQuaternion.W * NormalizedQuaternion.X; WY = NormalizedQuaternion.W * NormalizedQuaternion.Y; WZ = NormalizedQuaternion.W * NormalizedQuaternion.Z; Result.Elements[0][0] = 1.0f - 2.0f * (YY + ZZ); Result.Elements[0][1] = 2.0f * (XY + WZ); Result.Elements[0][2] = 2.0f * (XZ - WY); Result.Elements[1][0] = 2.0f * (XY - WZ); Result.Elements[1][1] = 1.0f - 2.0f * (XX + ZZ); Result.Elements[1][2] = 2.0f * (YZ + WX); Result.Elements[2][0] = 2.0f * (XZ + WY); Result.Elements[2][1] = 2.0f * (YZ - WX); Result.Elements[2][2] = 1.0f - 2.0f * (XX + YY); return(Result); } HINLINE hmm_quaternion HMM_QuaternionFromAxisAngle(hmm_vec3 Axis, float AngleOfRotation) { hmm_quaternion Result = {0}; float AxisNorm = 0; float SineOfRotation = 0; hmm_vec3 RotatedVector; AxisNorm = HMM_SquareRootF(HMM_DotVec3(Axis, Axis)); SineOfRotation = HMM_SinF(AngleOfRotation / 2.0f); RotatedVector = HMM_MultiplyVec3f(Axis, SineOfRotation); Result.W = HMM_CosF(AngleOfRotation / 2.0f); Result.XYZ = HMM_DivideVec3f(RotatedVector, AxisNorm); return(Result); } // Extensions HINLINE hmm_mat4 HMM_Mat4Identity() { hmm_mat4 Result = {}; Result.Elements[0][0] = 1; Result.Elements[0][1] = 0; Result.Elements[0][2] = 0; Result.Elements[0][3] = 0; Result.Elements[1][0] = 0; Result.Elements[1][1] = 1; Result.Elements[1][2] = 0; Result.Elements[1][3] = 0; Result.Elements[2][0] = 0; Result.Elements[2][1] = 0; Result.Elements[2][2] = 1; Result.Elements[2][3] = 0; Result.Elements[3][0] = 0; Result.Elements[3][1] = 0; Result.Elements[3][2] = 0; Result.Elements[3][3] = 1; return Result; } #define HMMToV2(v) (v2){ (v).X, (v).Y } #define HMMToV3(v) (v3){ (v).X, (v).Y, (v).Z } #define HMMToV4(v) (v4){ (v).X, (v).Y, (v).Z, (v).W } #define ToHMMV2(v) (hmm_vec2){ (v).x, (v).y } #define ToHMMV3(v) (hmm_vec3){ (v).x, (v).y, (v).z } #define ToHMMV4(v) (hmm_vec4){ (v).x, (v).y, (v).z, (v).w } HINLINE hmm_vec2 HMM_LerpV2(hmm_vec2 A, float T, hmm_vec2 B) { hmm_vec2 Result = {}; Result.X = HMM_Lerp(A.X, T, B.X); Result.Y = HMM_Lerp(A.Y, T, B.Y); return Result; } HINLINE hmm_vec3 HMM_LerpV3(hmm_vec3 A, float T, hmm_vec3 B) { hmm_vec3 Result = {}; Result.X = HMM_Lerp(A.X, T, B.X); Result.Y = HMM_Lerp(A.Y, T, B.Y); Result.Z = HMM_Lerp(A.Z, T, B.Z); return Result; } HINLINE hmm_vec4 HMM_LerpV4(hmm_vec4 A, float T, hmm_vec4 B) { hmm_vec4 Result = {}; Result.X = HMM_Lerp(A.X, T, B.X); Result.Y = HMM_Lerp(A.Y, T, B.Y); Result.Z = HMM_Lerp(A.Z, T, B.Z); Result.W = HMM_Lerp(A.W, T, B.W); return Result; } // Range static bool HMM_V2RContains(hmm_v2r Range, hmm_v2 P) { return (Range.ValueMin.x <= P.x && Range.ValueMin.y <= P.y && Range.ValueMax.x >= P.x && Range.ValueMax.y >= P.y); } static hmm_v2 HMM_V2RSize(hmm_v2r Range) { hmm_v2 Result = {}; Result.x = Range.ValueMax.x - Range.ValueMin.x; Result.y = Range.ValueMax.y - Range.ValueMin.y; return Result; } #define HMM_V2RWidth(r) HMM_V2RSize(r).x #define HMM_V2RHeight(r) HMM_V2RSize(r).y static hmm_v2r HMM_V2ROffset(hmm_v2r Range, hmm_v2 Offset) { hmm_v2r Result = {}; Result.ValueMin = HMM_AddVec2(Range.ValueMin, Offset); Result.ValueMax = HMM_AddVec2(Range.ValueMax, Offset); return Result; } // Geometry static hmm_vec3 HMM_AverageVec3(hmm_vec3* Arr, int Len) { hmm_vec3 Total = {}; for (int i = 0; i < Len; i++) { Total += HMM_AddVec3(Total, Arr[i]); } hmm_vec3 Result = {}; Result.x = Total.x / Len; Result.y = Total.y / Len; Result.z = Total.z / Len; return Result; } static hmm_vec4 HMM_AverageVec4(hmm_vec4* Arr, int Len) { hmm_vec4 Total = {}; for (int i = 0; i < Len; i++) { Total = HMM_AddVec4(Total, Arr[i]); } hmm_vec4 Result = {}; Result.x = Total.x / Len; Result.y = Total.y / Len; Result.z = Total.z / Len; Result.w = Total.w / Len; return Result; } // Point In Triangle From: https://blackpawn.com/texts/pointinpoly/default.html static bool HMM_SameSide(hmm_vec3 P1, hmm_vec3 P2, hmm_vec3 A, hmm_vec3 B) { hmm_vec3 BA = HMM_SubtractVec3(B, A); hmm_vec3 P1A = HMM_SubtractVec3(P1, A); hmm_vec3 P2A = HMM_SubtractVec3(P2, A); hmm_vec3 CP1 = HMM_Cross(BA, P1A); hmm_vec3 CP2 = HMM_Cross(BA, P2A); return (HMM_DotVec3(CP1, CP2) >= 0); } static bool HMM_PointInTriangle(hmm_vec3 P, hmm_vec3 T0, hmm_vec3 T1, hmm_vec3 T2) { return (HMM_SameSide(P, T0, T1, T2) && HMM_SameSide(P, T1, T0, T2) && HMM_SameSide(P, T2, T0, T1)); } #ifdef HANDMADE_MATH_CPP_MODE HINLINE float HMM_Length(hmm_vec2 A) { float Result = 0.0f; Result = HMM_LengthVec2(A); return(Result); } HINLINE float HMM_Length(hmm_vec3 A) { float Result = 0.0f; Result = HMM_LengthVec3(A); return(Result); } HINLINE float HMM_Length(hmm_vec4 A) { float Result = 0.0f; Result = HMM_LengthVec4(A); return(Result); } HINLINE float HMM_LengthSquared(hmm_vec2 A) { float Result = 0.0f; Result = HMM_LengthSquaredVec2(A); return(Result); } HINLINE float HMM_LengthSquared(hmm_vec3 A) { float Result = 0.0f; Result = HMM_LengthSquaredVec3(A); return(Result); } HINLINE float HMM_LengthSquared(hmm_vec4 A) { float Result = 0.0f; Result = HMM_LengthSquaredVec4(A); return(Result); } HINLINE hmm_vec2 HMM_Normalize(hmm_vec2 A) { hmm_vec2 Result = {0}; Result = HMM_NormalizeVec2(A); return(Result); } HINLINE hmm_vec3 HMM_Normalize(hmm_vec3 A) { hmm_vec3 Result = {0}; Result = HMM_NormalizeVec3(A); return(Result); } HINLINE hmm_vec4 HMM_Normalize(hmm_vec4 A) { hmm_vec4 Result = {0}; Result = HMM_NormalizeVec4(A); return(Result); } HINLINE hmm_quaternion HMM_Normalize(hmm_quaternion A) { hmm_quaternion Result = {0}; Result = HMM_NormalizeQuaternion(A); return(Result); } HINLINE float HMM_Dot(hmm_vec2 VecOne, hmm_vec2 VecTwo) { float Result = 0; Result = HMM_DotVec2(VecOne, VecTwo); return(Result); } HINLINE float HMM_Dot(hmm_vec3 VecOne, hmm_vec3 VecTwo) { float Result = 0; Result = HMM_DotVec3(VecOne, VecTwo); return(Result); } HINLINE float HMM_Dot(hmm_vec4 VecOne, hmm_vec4 VecTwo) { float Result = 0; Result = HMM_DotVec4(VecOne, VecTwo); return(Result); } HINLINE float HMM_Dot(hmm_quaternion QuatOne, hmm_quaternion QuatTwo) { float Result = 0; Result = HMM_DotQuaternion(QuatOne, QuatTwo); return(Result); } HINLINE hmm_vec2 HMM_Add(hmm_vec2 Left, hmm_vec2 Right) { hmm_vec2 Result = {0}; Result = HMM_AddVec2(Left, Right); return (Result); } HINLINE hmm_vec3 HMM_Add(hmm_vec3 Left, hmm_vec3 Right) { hmm_vec3 Result = {0}; Result = HMM_AddVec3(Left, Right); return (Result); } HINLINE hmm_vec4 HMM_Add(hmm_vec4 Left, hmm_vec4 Right) { hmm_vec4 Result = {0}; Result = HMM_AddVec4(Left, Right); return (Result); } HINLINE hmm_mat4 HMM_Add(hmm_mat4 Left, hmm_mat4 Right) { hmm_mat4 Result = {0}; Result = HMM_AddMat4(Left, Right); return (Result); } HINLINE hmm_quaternion HMM_Add(hmm_quaternion Left, hmm_quaternion Right) { hmm_quaternion Result = {0}; Result = HMM_AddQuaternion(Left, Right); return(Result); } HINLINE hmm_vec2 HMM_Subtract(hmm_vec2 Left, hmm_vec2 Right) { hmm_vec2 Result = {0}; Result = HMM_SubtractVec2(Left, Right); return (Result); } HINLINE hmm_vec3 HMM_Subtract(hmm_vec3 Left, hmm_vec3 Right) { hmm_vec3 Result = {0}; Result = HMM_SubtractVec3(Left, Right); return (Result); } HINLINE hmm_vec4 HMM_Subtract(hmm_vec4 Left, hmm_vec4 Right) { hmm_vec4 Result = {0}; Result = HMM_SubtractVec4(Left, Right); return (Result); } HINLINE hmm_mat4 HMM_Subtract(hmm_mat4 Left, hmm_mat4 Right) { hmm_mat4 Result = {0}; Result = HMM_SubtractMat4(Left, Right); return (Result); } HINLINE hmm_quaternion HMM_Subtract(hmm_quaternion Left, hmm_quaternion Right) { hmm_quaternion Result = {0}; Result = HMM_SubtractQuaternion(Left, Right); return (Result); } HINLINE hmm_vec2 HMM_Multiply(hmm_vec2 Left, hmm_vec2 Right) { hmm_vec2 Result = {0}; Result = HMM_MultiplyVec2(Left, Right); return (Result); } HINLINE hmm_vec2 HMM_Multiply(hmm_vec2 Left, float Right) { hmm_vec2 Result = {0}; Result = HMM_MultiplyVec2f(Left, Right); return (Result); } HINLINE hmm_vec3 HMM_Multiply(hmm_vec3 Left, hmm_vec3 Right) { hmm_vec3 Result = {0}; Result = HMM_MultiplyVec3(Left, Right); return (Result); } HINLINE hmm_vec3 HMM_Multiply(hmm_vec3 Left, float Right) { hmm_vec3 Result = {0}; Result = HMM_MultiplyVec3f(Left, Right); return (Result); } HINLINE hmm_vec4 HMM_Multiply(hmm_vec4 Left, hmm_vec4 Right) { hmm_vec4 Result = {0}; Result = HMM_MultiplyVec4(Left, Right); return (Result); } HINLINE hmm_vec4 HMM_Multiply(hmm_vec4 Left, float Right) { hmm_vec4 Result = {0}; Result = HMM_MultiplyVec4f(Left, Right); return (Result); } HINLINE hmm_mat4 HMM_Multiply(hmm_mat4 Left, hmm_mat4 Right) { hmm_mat4 Result = {0}; Result = HMM_MultiplyMat4(Left, Right); return (Result); } HINLINE hmm_mat4 HMM_Multiply(hmm_mat4 Left, float Right) { hmm_mat4 Result = {0}; Result = HMM_MultiplyMat4f(Left, Right); return (Result); } HINLINE hmm_vec4 HMM_Multiply(hmm_mat4 Matrix, hmm_vec4 Vector) { hmm_vec4 Result = {0}; Result = HMM_MultiplyMat4ByVec4(Matrix, Vector); return (Result); } HINLINE hmm_quaternion HMM_Multiply(hmm_quaternion Left, hmm_quaternion Right) { hmm_quaternion Result = {0}; Result = HMM_MultiplyQuaternion(Left, Right); return (Result); } HINLINE hmm_quaternion HMM_Multiply(hmm_quaternion Left, float Right) { hmm_quaternion Result = {0}; Result = HMM_MultiplyQuaternionF(Left, Right); return (Result); } HINLINE hmm_quaternion HMM_Multiply(float Left, hmm_quaternion Right) { hmm_quaternion Result = {0}; Result = HMM_MultiplyQuaternionF(Right, Left); return (Result); } HINLINE hmm_vec2 HMM_Divide(hmm_vec2 Left, hmm_vec2 Right) { hmm_vec2 Result = {0}; Result = HMM_DivideVec2(Left, Right); return (Result); } HINLINE hmm_vec2 HMM_Divide(hmm_vec2 Left, float Right) { hmm_vec2 Result = {0}; Result = HMM_DivideVec2f(Left, Right); return (Result); } HINLINE hmm_vec3 HMM_Divide(hmm_vec3 Left, hmm_vec3 Right) { hmm_vec3 Result = {0}; Result = HMM_DivideVec3(Left, Right); return (Result); } HINLINE hmm_vec3 HMM_Divide(hmm_vec3 Left, float Right) { hmm_vec3 Result = {0}; Result = HMM_DivideVec3f(Left, Right); return (Result); } HINLINE hmm_vec4 HMM_Divide(hmm_vec4 Left, hmm_vec4 Right) { hmm_vec4 Result = {0}; Result = HMM_DivideVec4(Left, Right); return (Result); } HINLINE hmm_vec4 HMM_Divide(hmm_vec4 Left, float Right) { hmm_vec4 Result = {0}; Result = HMM_DivideVec4f(Left, Right); return (Result); } HINLINE hmm_mat4 HMM_Divide(hmm_mat4 Left, float Right) { hmm_mat4 Result = {0}; Result = HMM_DivideMat4f(Left, Right); return (Result); } HINLINE hmm_quaternion HMM_Divide(hmm_quaternion Left, float Right) { hmm_quaternion Result = {0}; Result = HMM_DivideQuaternionF(Left, Right); return (Result); } HINLINE hmm_bool HMM_Equals(hmm_vec2 Left, hmm_vec2 Right) { hmm_bool Result = 0; Result = HMM_EqualsVec2(Left, Right); return (Result); } HINLINE hmm_bool HMM_Equals(hmm_vec3 Left, hmm_vec3 Right) { hmm_bool Result = 0; Result = HMM_EqualsVec3(Left, Right); return (Result); } HINLINE hmm_bool HMM_Equals(hmm_vec4 Left, hmm_vec4 Right) { hmm_bool Result = 0; Result = HMM_EqualsVec4(Left, Right); return (Result); } HINLINE hmm_vec2 operator+(hmm_vec2 Left, hmm_vec2 Right) { hmm_vec2 Result = {0}; Result = HMM_Add(Left, Right); return (Result); } HINLINE hmm_vec3 operator+(hmm_vec3 Left, hmm_vec3 Right) { hmm_vec3 Result = {0}; Result = HMM_Add(Left, Right); return (Result); } HINLINE hmm_vec4 operator+(hmm_vec4 Left, hmm_vec4 Right) { hmm_vec4 Result = {0}; Result = HMM_Add(Left, Right); return (Result); } HINLINE hmm_mat4 operator+(hmm_mat4 Left, hmm_mat4 Right) { hmm_mat4 Result = {0}; Result = HMM_Add(Left, Right); return (Result); } HINLINE hmm_quaternion operator+(hmm_quaternion Left, hmm_quaternion Right) { hmm_quaternion Result = {0}; Result = HMM_Add(Left, Right); return (Result); } HINLINE hmm_vec2 operator-(hmm_vec2 Left, hmm_vec2 Right) { hmm_vec2 Result = {0}; Result = HMM_Subtract(Left, Right); return (Result); } HINLINE hmm_vec3 operator-(hmm_vec3 Left, hmm_vec3 Right) { hmm_vec3 Result = {0}; Result = HMM_Subtract(Left, Right); return (Result); } HINLINE hmm_vec4 operator-(hmm_vec4 Left, hmm_vec4 Right) { hmm_vec4 Result = {0}; Result = HMM_Subtract(Left, Right); return (Result); } HINLINE hmm_mat4 operator-(hmm_mat4 Left, hmm_mat4 Right) { hmm_mat4 Result = {0}; Result = HMM_Subtract(Left, Right); return (Result); } HINLINE hmm_quaternion operator-(hmm_quaternion Left, hmm_quaternion Right) { hmm_quaternion Result = {0}; Result = HMM_Subtract(Left, Right); return (Result); } HINLINE hmm_vec2 operator*(hmm_vec2 Left, hmm_vec2 Right) { hmm_vec2 Result = {0}; Result = HMM_Multiply(Left, Right); return (Result); } HINLINE hmm_vec3 operator*(hmm_vec3 Left, hmm_vec3 Right) { hmm_vec3 Result = {0}; Result = HMM_Multiply(Left, Right); return (Result); } HINLINE hmm_vec4 operator*(hmm_vec4 Left, hmm_vec4 Right) { hmm_vec4 Result = HMM_Multiply(Left, Right); return (Result); } HINLINE hmm_vec2 operator*(hmm_vec2 Left, float Right) { hmm_vec2 Result = {0}; Result = HMM_Multiply(Left, Right); return (Result); } HINLINE hmm_vec3 operator*(hmm_vec3 Left, float Right) { hmm_vec3 Result = {0}; Result = HMM_Multiply(Left, Right); return (Result); } HINLINE hmm_vec4 operator*(hmm_vec4 Left, float Right) { hmm_vec4 Result = {0}; Result = HMM_Multiply(Left, Right); return (Result); } HINLINE hmm_mat4 operator*(hmm_mat4 Left, float Right) { hmm_mat4 Result = {0}; Result = HMM_Multiply(Left, Right); return (Result); } HINLINE hmm_vec2 operator*(float Left, hmm_vec2 Right) { hmm_vec2 Result = {0}; Result = HMM_Multiply(Right, Left); return (Result); } HINLINE hmm_vec3 operator*(float Left, hmm_vec3 Right) { hmm_vec3 Result = {0}; Result = HMM_Multiply(Right, Left); return (Result); } HINLINE hmm_vec4 operator*(float Left, hmm_vec4 Right) { hmm_vec4 Result = {0}; Result = HMM_Multiply(Right, Left); return (Result); } HINLINE hmm_mat4 operator*(float Left, hmm_mat4 Right) { hmm_mat4 Result = {0}; Result = HMM_Multiply(Right, Left); return (Result); } HINLINE hmm_mat4 operator*(hmm_mat4 Left, hmm_mat4 Right) { hmm_mat4 Result = {0}; Result = HMM_Multiply(Left, Right); return (Result); } HINLINE hmm_vec4 operator*(hmm_mat4 Matrix, hmm_vec4 Vector) { hmm_vec4 Result = {0}; Result = HMM_Multiply(Matrix, Vector); return (Result); } HINLINE hmm_quaternion operator*(hmm_quaternion Left, hmm_quaternion Right) { hmm_quaternion Result = {0}; Result = HMM_Multiply(Left, Right); return (Result); } HINLINE hmm_quaternion operator*(hmm_quaternion Left, float Right) { hmm_quaternion Result = {0}; Result = HMM_Multiply(Left, Right); return (Result); } HINLINE hmm_quaternion operator*(float Left, hmm_quaternion Right) { hmm_quaternion Result = {0}; Result = HMM_Multiply(Right, Left); return (Result); } HINLINE hmm_vec2 operator/(hmm_vec2 Left, hmm_vec2 Right) { hmm_vec2 Result = {0}; Result = HMM_Divide(Left, Right); return (Result); } HINLINE hmm_vec3 operator/(hmm_vec3 Left, hmm_vec3 Right) { hmm_vec3 Result = {0}; Result = HMM_Divide(Left, Right); return (Result); } HINLINE hmm_vec4 operator/(hmm_vec4 Left, hmm_vec4 Right) { hmm_vec4 Result = {0}; Result = HMM_Divide(Left, Right); return (Result); } HINLINE hmm_vec2 operator/(hmm_vec2 Left, float Right) { hmm_vec2 Result = {0}; Result = HMM_Divide(Left, Right); return (Result); } HINLINE hmm_vec3 operator/(hmm_vec3 Left, float Right) { hmm_vec3 Result = {0}; Result = HMM_Divide(Left, Right); return (Result); } HINLINE hmm_vec4 operator/(hmm_vec4 Left, float Right) { hmm_vec4 Result = {0}; Result = HMM_Divide(Left, Right); return (Result); } HINLINE hmm_mat4 operator/(hmm_mat4 Left, float Right) { hmm_mat4 Result = {0}; Result = HMM_Divide(Left, Right); return (Result); } HINLINE hmm_quaternion operator/(hmm_quaternion Left, float Right) { hmm_quaternion Result = {0}; Result = HMM_Divide(Left, Right); return (Result); } HINLINE hmm_vec2 & operator+=(hmm_vec2 &Left, hmm_vec2 Right) { return (Left = Left + Right); } HINLINE hmm_vec3 & operator+=(hmm_vec3 &Left, hmm_vec3 Right) { return (Left = Left + Right); } HINLINE hmm_vec4 & operator+=(hmm_vec4 &Left, hmm_vec4 Right) { return (Left = Left + Right); } HINLINE hmm_mat4 & operator+=(hmm_mat4 &Left, hmm_mat4 Right) { return (Left = Left + Right); } HINLINE hmm_quaternion & operator+=(hmm_quaternion &Left, hmm_quaternion Right) { return (Left = Left + Right); } HINLINE hmm_vec2 & operator-=(hmm_vec2 &Left, hmm_vec2 Right) { return (Left = Left - Right); } HINLINE hmm_vec3 & operator-=(hmm_vec3 &Left, hmm_vec3 Right) { return (Left = Left - Right); } HINLINE hmm_vec4 & operator-=(hmm_vec4 &Left, hmm_vec4 Right) { return (Left = Left - Right); } HINLINE hmm_mat4 & operator-=(hmm_mat4 &Left, hmm_mat4 Right) { return (Left = Left - Right); } HINLINE hmm_quaternion & operator-=(hmm_quaternion &Left, hmm_quaternion Right) { return (Left = Left - Right); } HINLINE hmm_vec2 & operator/=(hmm_vec2 &Left, hmm_vec2 Right) { return (Left = Left / Right); } HINLINE hmm_vec3 & operator/=(hmm_vec3 &Left, hmm_vec3 Right) { return (Left = Left / Right); } HINLINE hmm_vec4 & operator/=(hmm_vec4 &Left, hmm_vec4 Right) { return (Left = Left / Right); } HINLINE hmm_vec2 & operator/=(hmm_vec2 &Left, float Right) { return (Left = Left / Right); } HINLINE hmm_vec3 & operator/=(hmm_vec3 &Left, float Right) { return (Left = Left / Right); } HINLINE hmm_vec4 & operator/=(hmm_vec4 &Left, float Right) { return (Left = Left / Right); } HINLINE hmm_mat4 & operator/=(hmm_mat4 &Left, float Right) { return (Left = Left / Right); } HINLINE hmm_quaternion & operator/=(hmm_quaternion &Left, float Right) { return (Left = Left / Right); } HINLINE hmm_vec2 & operator*=(hmm_vec2 &Left, hmm_vec2 Right) { return (Left = Left * Right); } HINLINE hmm_vec3 & operator*=(hmm_vec3 &Left, hmm_vec3 Right) { return (Left = Left * Right); } HINLINE hmm_vec4 & operator*=(hmm_vec4 &Left, hmm_vec4 Right) { return (Left = Left * Right); } HINLINE hmm_vec2 & operator*=(hmm_vec2 &Left, float Right) { return (Left = Left * Right); } HINLINE hmm_vec3 & operator*=(hmm_vec3 &Left, float Right) { return (Left = Left * Right); } HINLINE hmm_vec4 & operator*=(hmm_vec4 &Left, float Right) { return (Left = Left * Right); } HINLINE hmm_mat4 & operator*=(hmm_mat4 &Left, float Right) { return (Left = Left * Right); } HINLINE hmm_quaternion & operator*=(hmm_quaternion &Left, float Right) { return (Left = Left * Right); } HINLINE hmm_bool operator==(hmm_vec2 Left, hmm_vec2 Right) { return HMM_EqualsVec2(Left, Right); } HINLINE hmm_bool operator==(hmm_vec3 Left, hmm_vec3 Right) { return HMM_EqualsVec3(Left, Right); } HINLINE hmm_bool operator==(hmm_vec4 Left, hmm_vec4 Right) { return HMM_EqualsVec4(Left, Right); } HINLINE hmm_bool operator!=(hmm_vec2 Left, hmm_vec2 Right) { return !HMM_EqualsVec2(Left, Right); } HINLINE hmm_bool operator!=(hmm_vec3 Left, hmm_vec3 Right) { return !HMM_EqualsVec3(Left, Right); } HINLINE hmm_bool operator!=(hmm_vec4 Left, hmm_vec4 Right) { return !HMM_EqualsVec4(Left, Right); } #endif /* HANDMADE_MATH_CPP_MODE */ #ifdef __clang__ #pragma clang diagnostic pop #endif #endif /* HANDMADE_MATH_IMPLEMENTATION */