__init__.py 文件源码

def collide(sprite1, sprite2, collision_objects=None, original_pos=None):
        """
        solves a simple spatial collision problem for two Sprites (that have a rect property)
        - defaults to SAT collision between two objects
        - thanks to doc's at: http://www.sevenson.com.au/actionscript/sat/
        - TODO: handle angles on objects
        - TODO: handle velocities of sprites prior to collision to calculate correct normals

        :param Sprite sprite1: sprite 1
        :param Sprite sprite2: sprite 2 (the other sprite)
        :param Union[None,Tuple[Collision]] collision_objects: the two always-recycled returnable Collision instances (aside from None); if None,
            use our default ones
        :param Union[Tuple[int],None] original_pos: the position of sprite1 before doing the move that lead to this collision-detection call
        :return: a Collision object with all details of the collision between the two Sprites (None if there is no collision)
        :rtype: Union[None,Collision]
        """
        pass