collisio.h

quake 游戏原代码

#ifndef _COLLISION_
#define _COLLISION_
#define  DONT_INTERSECT    0
#define  DO_INTERSECT      1

typedef struct WALL_COLLISION_INFO * pwall_collision_info;
typedef struct WALL_COLLISION_INFO {
	plinedef wall;
	MYFIXED dis_from_line;
	pvector2 delta_vec;
	pobject move_obj;
	BOOL found_collision;
} wall_collision_info;

ULONG Do_Slide_Wall(pobject source_obj, pwall_collision_info the_collision);
void checkwalls(pwall_collision_info the_collision);

#endif