mat.h

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// Software Rendering Pipeline (SRP) library
// Licensed under GNU GPLv3
 
#pragma once
 
#include "vec.h"
 
typedef struct mat4 { float data[4][4]; } mat4;
typedef struct mat4d { double data[4][4]; } mat4d;
 
vec4d mat4dGetColumn(const mat4d* a, uint8_t index);
void mat4dSetColumn(mat4d* a, vec4d column, uint8_t index);
 
vec4d mat4dMultiplyVec4d(const mat4d* a, vec4d b);
mat4d mat4dMultiplyMat4d(const mat4d* a, const mat4d* b);
 
mat4d mat4dConstructIdentity();
 
mat4d mat4dConstructScale(double x, double y, double z);
mat4d mat4dConstructTranslate(double x, double y, double z);
mat4d mat4dConstructRotate(double x, double y, double z);
 
mat4d mat4dConstructTRS(
    double transX, double transY, double transZ,
    double rotataionX, double rotataionY, double rotataionZ,
    double scaleX, double scaleY, double scaleZ
);
mat4d mat4dConstructView(
    double cameraX, double cameraY, double cameraZ,
    double rotataionX, double rotataionY, double rotataionZ,
    double scaleX, double scaleY, double scaleZ
);
 
mat4d mat4dConstructOrthogonalProjection(
    double x_min, double x_max,
    double y_min, double y_max,
    double z_min, double z_max
);
mat4d mat4dConstructPerspectiveProjection(
    double x_min_near, double x_max_near,
    double y_min_near, double y_max_near,
    double z_near, double z_far
);