From f293ef14820dcfea0b11ee33f055274b0c8eeb89 Mon Sep 17 00:00:00 2001 From: JupiterRider <60042618+JupiterRider@users.noreply.github.com> Date: Sat, 23 Nov 2024 16:46:28 +0100 Subject: [PATCH] raymath.h updated (not really required, because it has been rewritten in go) --- raylib/raymath.h | 399 ++++++++++++++++++++++++++++++++++++++++++++--- 1 file changed, 379 insertions(+), 20 deletions(-) diff --git a/raylib/raymath.h b/raylib/raymath.h index ebee6ba..e522113 100644 --- a/raylib/raymath.h +++ b/raylib/raymath.h @@ -1,6 +1,6 @@ /********************************************************************************************** * -* raymath v1.5 - Math functions to work with Vector2, Vector3, Matrix and Quaternions +* raymath v2.0 - Math functions to work with Vector2, Vector3, Matrix and Quaternions * * CONVENTIONS: * - Matrix structure is defined as row-major (memory layout) but parameters naming AND all @@ -12,7 +12,7 @@ * - Functions are always self-contained, no function use another raymath function inside, * required code is directly re-implemented inside * - Functions input parameters are always received by value (2 unavoidable exceptions) -* - Functions use always a "result" variable for return +* - Functions use always a "result" variable for return (except C++ operators) * - Functions are always defined inline * - Angles are always in radians (DEG2RAD/RAD2DEG macros provided for convenience) * - No compound literals used to make sure libray is compatible with C++ @@ -27,6 +27,8 @@ * Define static inline functions code, so #include header suffices for use. * This may use up lots of memory. * +* #define RAYMATH_DISABLE_CPP_OPERATORS +* Disables C++ operator overloads for raymath types. * * LICENSE: zlib/libpng * @@ -77,6 +79,7 @@ #endif #endif + //---------------------------------------------------------------------------------- // Defines and Macros //---------------------------------------------------------------------------------- @@ -174,7 +177,7 @@ typedef struct float16 { // Clamp float value RMAPI float Clamp(float value, float min, float max) { - float result = (value < min) ? min : value; + float result = (value < min)? min : value; if (result > max) result = max; @@ -961,12 +964,12 @@ RMAPI Vector3 Vector3CubicHermite(Vector3 v1, Vector3 tangent1, Vector3 v2, Vect { Vector3 result = { 0 }; - float amountPow2 = amount * amount; - float amountPow3 = amount * amount * amount; + float amountPow2 = amount*amount; + float amountPow3 = amount*amount*amount; - result.x = (2 * amountPow3 - 3 * amountPow2 + 1) * v1.x + (amountPow3 - 2 * amountPow2 + amount) * tangent1.x + (-2 * amountPow3 + 3 * amountPow2) * v2.x + (amountPow3 - amountPow2) * tangent2.x; - result.y = (2 * amountPow3 - 3 * amountPow2 + 1) * v1.y + (amountPow3 - 2 * amountPow2 + amount) * tangent1.y + (-2 * amountPow3 + 3 * amountPow2) * v2.y + (amountPow3 - amountPow2) * tangent2.y; - result.z = (2 * amountPow3 - 3 * amountPow2 + 1) * v1.z + (amountPow3 - 2 * amountPow2 + amount) * tangent1.z + (-2 * amountPow3 + 3 * amountPow2) * v2.z + (amountPow3 - amountPow2) * tangent2.z; + result.x = (2*amountPow3 - 3*amountPow2 + 1)*v1.x + (amountPow3 - 2*amountPow2 + amount)*tangent1.x + (-2*amountPow3 + 3*amountPow2)*v2.x + (amountPow3 - amountPow2)*tangent2.x; + result.y = (2*amountPow3 - 3*amountPow2 + 1)*v1.y + (amountPow3 - 2*amountPow2 + amount)*tangent1.y + (-2*amountPow3 + 3*amountPow2)*v2.y + (amountPow3 - amountPow2)*tangent2.y; + result.z = (2*amountPow3 - 3*amountPow2 + 1)*v1.z + (amountPow3 - 2*amountPow2 + amount)*tangent1.z + (-2*amountPow3 + 3*amountPow2)*v2.z + (amountPow3 - amountPow2)*tangent2.z; return result; } @@ -1836,32 +1839,32 @@ RMAPI Matrix MatrixScale(float x, float y, float z) } // Get perspective projection matrix -RMAPI Matrix MatrixFrustum(double left, double right, double bottom, double top, double near, double far) +RMAPI Matrix MatrixFrustum(double left, double right, double bottom, double top, double nearPlane, double farPlane) { Matrix result = { 0 }; float rl = (float)(right - left); float tb = (float)(top - bottom); - float fn = (float)(far - near); + float fn = (float)(farPlane - nearPlane); - result.m0 = ((float)near*2.0f)/rl; + result.m0 = ((float)nearPlane*2.0f)/rl; result.m1 = 0.0f; result.m2 = 0.0f; result.m3 = 0.0f; result.m4 = 0.0f; - result.m5 = ((float)near*2.0f)/tb; + result.m5 = ((float)nearPlane*2.0f)/tb; result.m6 = 0.0f; result.m7 = 0.0f; result.m8 = ((float)right + (float)left)/rl; result.m9 = ((float)top + (float)bottom)/tb; - result.m10 = -((float)far + (float)near)/fn; + result.m10 = -((float)farPlane + (float)nearPlane)/fn; result.m11 = -1.0f; result.m12 = 0.0f; result.m13 = 0.0f; - result.m14 = -((float)far*(float)near*2.0f)/fn; + result.m14 = -((float)farPlane*(float)nearPlane*2.0f)/fn; result.m15 = 0.0f; return result; @@ -2217,12 +2220,12 @@ RMAPI Quaternion QuaternionSlerp(Quaternion q1, Quaternion q2, float amount) // as described in the GLTF 2.0 specification: https://registry.khronos.org/glTF/specs/2.0/glTF-2.0.html#interpolation-cubic RMAPI Quaternion QuaternionCubicHermiteSpline(Quaternion q1, Quaternion outTangent1, Quaternion q2, Quaternion inTangent2, float t) { - float t2 = t * t; - float t3 = t2 * t; - float h00 = 2 * t3 - 3 * t2 + 1; - float h10 = t3 - 2 * t2 + t; - float h01 = -2 * t3 + 3 * t2; - float h11 = t3 - t2; + float t2 = t*t; + float t3 = t2*t; + float h00 = 2*t3 - 3*t2 + 1; + float h10 = t3 - 2*t2 + t; + float h01 = -2*t3 + 3*t2; + float h11 = t3 - t2; Quaternion p0 = QuaternionScale(q1, h00); Quaternion m0 = QuaternionScale(outTangent1, h10); @@ -2566,7 +2569,13 @@ RMAPI void MatrixDecompose(Matrix mat, Vector3 *translation, Quaternion *rotatio if (!FloatEquals(det, 0)) { clone.m0 /= s.x; + clone.m4 /= s.x; + clone.m8 /= s.x; + clone.m1 /= s.y; clone.m5 /= s.y; + clone.m9 /= s.y; + clone.m2 /= s.z; + clone.m6 /= s.z; clone.m10 /= s.z; // Extract rotation @@ -2579,4 +2588,354 @@ RMAPI void MatrixDecompose(Matrix mat, Vector3 *translation, Quaternion *rotatio } } +#if defined(__cplusplus) && !defined(RAYMATH_DISABLE_CPP_OPERATORS) + +// Optional C++ math operators +//------------------------------------------------------------------------------- + +// Vector2 operators +static constexpr Vector2 Vector2Zeros = { 0, 0 }; +static constexpr Vector2 Vector2Ones = { 1, 1 }; +static constexpr Vector2 Vector2UnitX = { 1, 0 }; +static constexpr Vector2 Vector2UnitY = { 0, 1 }; + +inline Vector2 operator + (const Vector2& lhs, const Vector2& rhs) +{ + return Vector2Add(lhs, rhs); +} + +inline const Vector2& operator += (Vector2& lhs, const Vector2& rhs) +{ + lhs = Vector2Add(lhs, rhs); + return lhs; +} + +inline Vector2 operator - (const Vector2& lhs, const Vector2& rhs) +{ + return Vector2Subtract(lhs, rhs); +} + +inline const Vector2& operator -= (Vector2& lhs, const Vector2& rhs) +{ + lhs = Vector2Subtract(lhs, rhs); + return lhs; +} + +inline Vector2 operator * (const Vector2& lhs, const float& rhs) +{ + return Vector2Scale(lhs, rhs); +} + +inline const Vector2& operator *= (Vector2& lhs, const float& rhs) +{ + lhs = Vector2Scale(lhs, rhs); + return lhs; +} + +inline Vector2 operator * (const Vector2& lhs, const Vector2& rhs) +{ + return Vector2Multiply(lhs, rhs); +} + +inline const Vector2& operator *= (Vector2& lhs, const Vector2& rhs) +{ + lhs = Vector2Multiply(lhs, rhs); + return lhs; +} + +inline Vector2 operator * (const Vector2& lhs, const Matrix& rhs) +{ + return Vector2Transform(lhs, rhs); +} + +inline const Vector2& operator -= (Vector2& lhs, const Matrix& rhs) +{ + lhs = Vector2Transform(lhs, rhs); + return lhs; +} + +inline Vector2 operator / (const Vector2& lhs, const float& rhs) +{ + return Vector2Scale(lhs, 1.0f / rhs); +} + +inline const Vector2& operator /= (Vector2& lhs, const float& rhs) +{ + lhs = Vector2Scale(lhs, rhs); + return lhs; +} + +inline Vector2 operator / (const Vector2& lhs, const Vector2& rhs) +{ + return Vector2Divide(lhs, rhs); +} + +inline const Vector2& operator /= (Vector2& lhs, const Vector2& rhs) +{ + lhs = Vector2Divide(lhs, rhs); + return lhs; +} + +inline bool operator == (const Vector2& lhs, const Vector2& rhs) +{ + return FloatEquals(lhs.x, rhs.x) && FloatEquals(lhs.y, rhs.y); +} + +inline bool operator != (const Vector2& lhs, const Vector2& rhs) +{ + return !FloatEquals(lhs.x, rhs.x) || !FloatEquals(lhs.y, rhs.y); +} + +// Vector3 operators +static constexpr Vector3 Vector3Zeros = { 0, 0, 0 }; +static constexpr Vector3 Vector3Ones = { 1, 1, 1 }; +static constexpr Vector3 Vector3UnitX = { 1, 0, 0 }; +static constexpr Vector3 Vector3UnitY = { 0, 1, 0 }; +static constexpr Vector3 Vector3UnitZ = { 0, 0, 1 }; + +inline Vector3 operator + (const Vector3& lhs, const Vector3& rhs) +{ + return Vector3Add(lhs, rhs); +} + +inline const Vector3& operator += (Vector3& lhs, const Vector3& rhs) +{ + lhs = Vector3Add(lhs, rhs); + return lhs; +} + +inline Vector3 operator - (const Vector3& lhs, const Vector3& rhs) +{ + return Vector3Subtract(lhs, rhs); +} + +inline const Vector3& operator -= (Vector3& lhs, const Vector3& rhs) +{ + lhs = Vector3Subtract(lhs, rhs); + return lhs; +} + +inline Vector3 operator * (const Vector3& lhs, const float& rhs) +{ + return Vector3Scale(lhs, rhs); +} + +inline const Vector3& operator *= (Vector3& lhs, const float& rhs) +{ + lhs = Vector3Scale(lhs, rhs); + return lhs; +} + +inline Vector3 operator * (const Vector3& lhs, const Vector3& rhs) +{ + return Vector3Multiply(lhs, rhs); +} + +inline const Vector3& operator *= (Vector3& lhs, const Vector3& rhs) +{ + lhs = Vector3Multiply(lhs, rhs); + return lhs; +} + +inline Vector3 operator * (const Vector3& lhs, const Matrix& rhs) +{ + return Vector3Transform(lhs, rhs); +} + +inline const Vector3& operator -= (Vector3& lhs, const Matrix& rhs) +{ + lhs = Vector3Transform(lhs, rhs); + return lhs; +} + +inline Vector3 operator / (const Vector3& lhs, const float& rhs) +{ + return Vector3Scale(lhs, 1.0f / rhs); +} + +inline const Vector3& operator /= (Vector3& lhs, const float& rhs) +{ + lhs = Vector3Scale(lhs, rhs); + return lhs; +} + +inline Vector3 operator / (const Vector3& lhs, const Vector3& rhs) +{ + return Vector3Divide(lhs, rhs); +} + +inline const Vector3& operator /= (Vector3& lhs, const Vector3& rhs) +{ + lhs = Vector3Divide(lhs, rhs); + return lhs; +} + +inline bool operator == (const Vector3& lhs, const Vector3& rhs) +{ + return FloatEquals(lhs.x, rhs.x) && FloatEquals(lhs.y, rhs.y) && FloatEquals(lhs.z, rhs.z); +} + +inline bool operator != (const Vector3& lhs, const Vector3& rhs) +{ + return !FloatEquals(lhs.x, rhs.x) || !FloatEquals(lhs.y, rhs.y) || !FloatEquals(lhs.z, rhs.z); +} + +// Vector4 operators +static constexpr Vector4 Vector4Zeros = { 0, 0, 0, 0 }; +static constexpr Vector4 Vector4Ones = { 1, 1, 1, 1 }; +static constexpr Vector4 Vector4UnitX = { 1, 0, 0, 0 }; +static constexpr Vector4 Vector4UnitY = { 0, 1, 0, 0 }; +static constexpr Vector4 Vector4UnitZ = { 0, 0, 1, 0 }; +static constexpr Vector4 Vector4UnitW = { 0, 0, 0, 1 }; + +inline Vector4 operator + (const Vector4& lhs, const Vector4& rhs) +{ + return Vector4Add(lhs, rhs); +} + +inline const Vector4& operator += (Vector4& lhs, const Vector4& rhs) +{ + lhs = Vector4Add(lhs, rhs); + return lhs; +} + +inline Vector4 operator - (const Vector4& lhs, const Vector4& rhs) +{ + return Vector4Subtract(lhs, rhs); +} + +inline const Vector4& operator -= (Vector4& lhs, const Vector4& rhs) +{ + lhs = Vector4Subtract(lhs, rhs); + return lhs; +} + +inline Vector4 operator * (const Vector4& lhs, const float& rhs) +{ + return Vector4Scale(lhs, rhs); +} + +inline const Vector4& operator *= (Vector4& lhs, const float& rhs) +{ + lhs = Vector4Scale(lhs, rhs); + return lhs; +} + +inline Vector4 operator * (const Vector4& lhs, const Vector4& rhs) +{ + return Vector4Multiply(lhs, rhs); +} + +inline const Vector4& operator *= (Vector4& lhs, const Vector4& rhs) +{ + lhs = Vector4Multiply(lhs, rhs); + return lhs; +} + +inline Vector4 operator / (const Vector4& lhs, const float& rhs) +{ + return Vector4Scale(lhs, 1.0f / rhs); +} + +inline const Vector4& operator /= (Vector4& lhs, const float& rhs) +{ + lhs = Vector4Scale(lhs, rhs); + return lhs; +} + +inline Vector4 operator / (const Vector4& lhs, const Vector4& rhs) +{ + return Vector4Divide(lhs, rhs); +} + +inline const Vector4& operator /= (Vector4& lhs, const Vector4& rhs) +{ + lhs = Vector4Divide(lhs, rhs); + return lhs; +} + +inline bool operator == (const Vector4& lhs, const Vector4& rhs) +{ + return FloatEquals(lhs.x, rhs.x) && FloatEquals(lhs.y, rhs.y) && FloatEquals(lhs.z, rhs.z) && FloatEquals(lhs.w, rhs.w); +} + +inline bool operator != (const Vector4& lhs, const Vector4& rhs) +{ + return !FloatEquals(lhs.x, rhs.x) || !FloatEquals(lhs.y, rhs.y) || !FloatEquals(lhs.z, rhs.z) || !FloatEquals(lhs.w, rhs.w); +} + +// Quaternion operators +static constexpr Quaternion QuaternionZeros = { 0, 0, 0, 0 }; +static constexpr Quaternion QuaternionOnes = { 1, 1, 1, 1 }; +static constexpr Quaternion QuaternionUnitX = { 0, 0, 0, 1 }; + +inline Quaternion operator + (const Quaternion& lhs, const float& rhs) +{ + return QuaternionAddValue(lhs, rhs); +} + +inline const Quaternion& operator += (Quaternion& lhs, const float& rhs) +{ + lhs = QuaternionAddValue(lhs, rhs); + return lhs; +} + +inline Quaternion operator - (const Quaternion& lhs, const float& rhs) +{ + return QuaternionSubtractValue(lhs, rhs); +} + +inline const Quaternion& operator -= (Quaternion& lhs, const float& rhs) +{ + lhs = QuaternionSubtractValue(lhs, rhs); + return lhs; +} + +inline Quaternion operator * (const Quaternion& lhs, const Matrix& rhs) +{ + return QuaternionTransform(lhs, rhs); +} + +inline const Quaternion& operator *= (Quaternion& lhs, const Matrix& rhs) +{ + lhs = QuaternionTransform(lhs, rhs); + return lhs; +} + +// Matrix operators +inline Matrix operator + (const Matrix& lhs, const Matrix& rhs) +{ + return MatrixAdd(lhs, rhs); +} + +inline const Matrix& operator += (Matrix& lhs, const Matrix& rhs) +{ + lhs = MatrixAdd(lhs, rhs); + return lhs; +} + +inline Matrix operator - (const Matrix& lhs, const Matrix& rhs) +{ + return MatrixSubtract(lhs, rhs); +} + +inline const Matrix& operator -= (Matrix& lhs, const Matrix& rhs) +{ + lhs = MatrixSubtract(lhs, rhs); + return lhs; +} + +inline Matrix operator * (const Matrix& lhs, const Matrix& rhs) +{ + return MatrixMultiply(lhs, rhs); +} + +inline const Matrix& operator *= (Matrix& lhs, const Matrix& rhs) +{ + lhs = MatrixMultiply(lhs, rhs); + return lhs; +} +//------------------------------------------------------------------------------- +#endif // C++ operators + #endif // RAYMATH_H