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Diffstat (limited to '08-august/src/math/matrix4x4.h')
| -rw-r--r-- | 08-august/src/math/matrix4x4.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/08-august/src/math/matrix4x4.h b/08-august/src/math/matrix4x4.h new file mode 100644 index 0000000..b7d54aa --- /dev/null +++ b/08-august/src/math/matrix4x4.h @@ -0,0 +1,40 @@ +#ifndef MATRIX4X4_H +#define MATRIX4X4_H + +#include <GL/glew.h> +#include "vector3f.h" +#include "vector4f.h" + +/* accesing data: row + column * width */ +typedef struct +{ + GLfloat data[16]; +} mat4_t; + +extern void mat4_identity(mat4_t *a); +extern mat4_t mat4_inverse(const mat4_t *a); +extern mat4_t mat4_mul(const mat4_t *a, const mat4_t *b); + +extern mat4_t mat4_translate(const vec3_t *a); +extern mat4_t mat4_scale(GLfloat x, GLfloat y, GLfloat z); +extern mat4_t mat4_rotate_x(GLfloat degrees); +extern mat4_t mat4_rotate_y(GLfloat degrees); +extern mat4_t mat4_rotate_z(GLfloat degrees); +extern mat4_t mat4_rotate(GLfloat degrees, const vec3_t *a); + +extern mat4_t +mat4_perspective(GLfloat fov, GLfloat aspect, GLfloat zNear, GLfloat zFar); + +extern mat4_t +mat4_orthographic(GLfloat left, GLfloat right, GLfloat bottom, GLfloat top); + +extern mat4_t +mat4_lookAt(vec3_t *eye, vec3_t *center, vec3_t *up); + +extern vec3_t +mat4_mul_vec3(const mat4_t *a, const vec3_t *b); + +extern vec4_t +mat4_mul_vec4(const mat4_t *a, const vec4_t *b); + +#endif // MATRIX4X4_H |