mat4.h

/*
 * See Licensing and Copyright notice in naev.h
 */
#pragma once
 
#include "glad.h"
 
#include "vec3.h"
 
typedef struct mat4_ {
   union {
      /* Column-major; m[x][y] */
      GLfloat m[4][4];
      GLfloat ptr[16];
   };
} mat4;
 
/* Basic operations. */
void mat4_print( const mat4 *m );
void mat4_mul( mat4 *out, const mat4 *m1, const mat4 *m2 );
 
/* Affine transformations. */
void mat4_apply( mat4 *lhs, const mat4 *rhs );
void mat4_scale( mat4 *m, double x, double y, double z );
void mat4_translate( mat4 *m, double x, double y, double z );
void mat4_rotate( mat4 *m, double angle, double x, double y, double z );
void mat4_rotate2d( mat4 *m, double angle );
void mat4_rotate2dv( mat4 *m, double x, double y );
 
/* Creation functions. */
__attribute__((const)) mat4 mat4_identity( void );
__attribute__((const)) mat4 mat4_ortho( double left, double right,
      double bottom, double top, double nearVal, double farVal );
mat4 mat4_lookat( const vec3 *eye, const vec3 *center, const vec3 *up );
mat4 mat4_perspective( double fov, double aspect, double near, double far );