matrix34.h

 
#include "vec3.h"
 
#include <string.h>
 
typedef float matrix34[3][4];
 
#define MATRIX34_COPY(dst, src) memcpy(dst, src, sizeof(matrix34));
 
extern void matrix34_identity(matrix34 mtx);
 
extern void matrix34_rotate_x(matrix34 mtx, float angle);
extern void matrix34_rotate_y(matrix34 mtx, float angle);
extern void matrix34_rotate_z(matrix34 mtx, float angle);
 
extern void matrix34_translation(matrix34 mtx, const vec3* pos);
 
extern void matrix34_scale(matrix34 mtx, const vec3* pos);
 
extern void matrix34_multiply(matrix34 dst, const matrix34 a, const matrix34 b);
extern void matrix34_inverse(matrix34 dst, const matrix34 src);