lg_collision_detect.h

/*
 *      LibGame - Copyright (C) Emmanuel Thomas-Maurin 2011-2025
 *      All rights reserved
 */
 
#ifndef LG_COLLISION_DETECT_H
#define LG_COLLISION_DETECT_H
 
/* Axis-aligned bounding box, now defined in lg_mesh.h */
/*typedef union {
        #if 0
        struct {                        // UNUSED SO FAR
                vec3_t  center;
                float   extents;
        };
        struct {                        // UNUSED SO FAR
                vec3_t  min;
                vec3_t  max;
        };
        #endif
        struct {
                float   min_x;
                float   max_x;
                float   min_y;
                float   max_y;
                float   min_z;
                float   max_z;
        };
} LG_BBox;*/
 
/* Bounding sphere */
typedef union {
        struct {
                vec3_t  center;
                float   radius;
        };
        struct {
                float   x;
                float   y;
                float   z;
                float   r;
        };
} LG_BSphere;
 
LG_BBox         lg_bbox(float, float, float, float, float, float);
 
LG_BBox         lg_bbox_from_cuboid(LG_Cuboid *);
 
LG_Cuboid       lg_cuboid_from_bbox(LG_BBox, LG_Color_u);
 
LG_BBox         lg_bbox_from_mesh(LG_Mesh *);
 
LG_BBox         lg_bbox_transform(LG_BBox, mat4_t);
 
/* Not sure about that so discarded for now
zboolean        lg_bbox_is_AA(LG_BBox *);*/
 
vec3_t          lg_bbox_get_center(LG_BBox *);
 
zboolean        lg_bboxes_collide(LG_BBox *, LG_BBox *);
 
zboolean        lg_bbox_sets_collide(LG_BBox **, LG_BBox **);
 
Lines3D_VB      lg_l3d_vb_from_bbox(LG_BBox, LG_Color_u);
 
void            lg_bbox_info(LG_BBox *);
 
LG_BSphere      lg_bsphere(float, float, float, float);
 
LG_BSphere      lg_bsphere_from_bbox(LG_BBox);
 
LG_BSphere      lg_bsphere_from_mesh(LG_Mesh *);
 
zboolean        lg_bspheres_collide(LG_BSphere *, LG_BSphere *);
 
zboolean        lg_bsphere_sets_collide(LG_BSphere **, LG_BSphere **);
 
void            lg_bsphere_info(LG_BSphere);
 
#endif /* LG_COLLISION_DETECT_H */