ent_gate *gate, camera *cam, int layer_depth );
VG_STATIC int gate_intersect( ent_gate *gate, v3f pos, v3f last );
VG_STATIC ent_gate *world_intersect_gates( world_instance *world,
v3f pos, v3f last );
ent_gate *gate, camera *cam, int layer_depth );
VG_STATIC int gate_intersect( ent_gate *gate, v3f pos, v3f last );
VG_STATIC ent_gate *world_intersect_gates( world_instance *world,
v3f pos, v3f last );