def get_collision_direction(entity: DynamicEntity, other: Entity):
"""Get the direction where from which a collision event occurred.
Parameters:
entity (DynamicEntity): Colliding entity.
other (Entity): The entity with which the colliding entity collided.
Returns:
(str): The direction the collision occurred in.
"A" for Above
"B" for Below
"R" for Right
"L" for Left
"""
bb = entity.get_shape().bb
cx, cy = bb.center()
lx = cx - (cx - bb.left) / 2
rx = cx + (cx - bb.left) / 2
# direction mapping
directions = [((cx, bb.top), ABOVE), ((lx, bb.top), ABOVE),
((rx, bb.top), ABOVE), ((cx, bb.bottom), BELOW),
((lx, bb.bottom), BELOW), ((rx, bb.bottom), BELOW),
((bb.left, cy), RIGHT), ((bb.right, cy), LEFT)]
for pos, result in directions:
if other.get_shape().point_query(pos)[0] < 0:
return result
def remove_thing(self, thing: Entity):
"""Removes a thing from the world"""
self._space.remove(thing.get_shape())