mat.h

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// Software Rendering Pipeline (SRP) library
// Licensed under GNU GPLv3
 
#pragma once
 
#include "srp/vec.h"
 
typedef struct mat4 { float data[4][4]; } mat4;
 
vec4 mat4MultiplyVec4(const mat4* restrict a, vec4 b);
mat4 mat4MultiplyMat4(const mat4* restrict a, const mat4* restrict b);
 
mat4 mat4ConstructIdentity();
 
mat4 mat4ConstructScale(float x, float y, float z);
mat4 mat4ConstructTranslate(float x, float y, float z);
mat4 mat4ConstructRotate(float x, float y, float z);
 
mat4 mat4ConstructTRS(
    float transX, float transY, float transZ,
    float rotataionX, float rotataionY, float rotataionZ,
    float scaleX, float scaleY, float scaleZ
);
 
mat4 mat4ConstructView(
    float cameraX, float cameraY, float cameraZ,
    float rotationX, float rotationY, float rotationZ,
    float scaleX, float scaleY, float scaleZ
);
 
mat4 mat4ConstructOrthogonalProjection(
    float x_min, float x_max,
    float y_min, float y_max,
    float z_min, float z_max
);
 
mat4 mat4ConstructPerspectiveProjection(
    float x_min_near, float x_max_near,
    float y_min_near, float y_max_near,
    float z_near, float z_far
);