def __init__(self, owner, sprite, pos=None):
pygame.sprite.Sprite.__init__(self)
self.image = sprite.copy()
self.image.set_alpha(64)
self.rect = self.image.get_rect()
self.owner = owner
if pos:
self.rect.midbottom = lpos2gpos(pos)
def pos(self, pos):
"""Set the position and depth of the sprite on the map."""
self.rect.midbottom = lpos2gpos(pos, self._c_pos)
self.depth = self.rect.midbottom[1] + self._c_depth
