'User defind object types.

CONST OBJ_TYPE_XD_INTRO% = OBJ_TYPE_USR_START%+0
CONST OBJ_TYPE_XD_SHIP% = OBJ_TYPE_USR_START%+1
CONST OBJ_TYPE_XD_POINTS% = OBJ_TYPE_USR_START%+2
CONST OBJ_TYPE_XD_ENEMY% = OBJ_TYPE_USR_START%+3
CONST OBJ_TYPE_XD_BULLET% = OBJ_TYPE_USR_START%+4
CONST OBJ_TYPE_XD_EXPLOSION% = OBJ_TYPE_USR_START%+5
CONST OBJ_TYPE_XD_GAMEOVER% = OBJ_TYPE_USR_START%+6

OBJ_NAMES$(OBJ_TYPE_XD_INTRO%) = "Intro Obj"
OBJ_NAMES$(OBJ_TYPE_XD_SHIP%) = "Ship Obj"
OBJ_NAMES$(OBJ_TYPE_XD_POINTS%) = "Points Obj"
OBJ_NAMES$(OBJ_TYPE_XD_ENEMY%) = "Enemy Obj"
OBJ_NAMES$(OBJ_TYPE_XD_BULLET%) = "Bullet Obj"
OBJ_NAMES$(OBJ_TYPE_XD_EXPLOSION%) = "Explosion Obj"
OBJ_NAMES$(OBJ_TYPE_XD_GAMEOVER%) = "GameOver Obj"

