lg_math_extra.h

/*
 *      LibGame - Copyright (C) Emmanuel Thomas-Maurin 2011-2025
 *      All rights reserved
 */
 
#ifndef LG_MATH_EXTRA_H
#define LG_MATH_EXTRA_H
 
typedef struct {
        float   x;
        float   y;
        float   z;
        float   w;
} vec4_t;
 
typedef struct {
        vec3_t  orig;
        vec3_t  dir;
} LG_Ray;
 
enum {RAYCAST_NO_CLICK, RAYCAST_LEFT_CLICK, RAYCAST_RIGHT_CLICK};
 
zboolean        lg_raycast_bsphere(LG_Camera *, LG_BSphere, float *, int *, zboolean);
 
vec4_t          vec4(float, float, float, float);
 
vec4_t          m4_mul_v4(mat4_t, vec4_t);
 
float           m4_det(mat4_t);
 
mat4_t          m4_invert(mat4_t);
 
#endif /* LG_MATH_EXTRA_H */