pong.py 文件源码

def __init__(self, pong, position):
            self.pong = pong
            self.area = pong.res
            if position == 'left':
                self.rect = pymunk.Segment(pong.space.static_body,
                                           (0, self.area[1] / 2 + 3*scale),
                                           (0, self.area[1] / 2 - 3*scale), 1.0)
            else:
                self.rect = pymunk.Segment(pong.space.static_body,
                                           (self.area[0] - 2, self.area[1] / 2 + 3*scale),
                                           (self.area[0] - 2, self.area[1] / 2 - 3*scale), 1.0)
            self.speed = 2*scale
            self.rect.elasticity = .99
            self.rect.color = color["white"]
            self.rect.collision_type = 1