Zeug

import pygame, odefrom pygame.locals import *class Cow(pygame.sprite.Sprite):    def __init__(self, screen, surface, world, x, y):        pygame.sprite.Sprite.__init__(self)                # pygame Sprite        self.screen = screen        self.image = surface        self.rect = self.image.get_rect()                # coords        self.x = x        self.cy = y        self.y = self.screen.get_height() - self.cy                # pyode        self.world = world        self.body = ode.Body(world)        self.mass = ode.Mass()                self.mass.setBox(800, self.image.get_width(), self.image.get_height(), 1)        self.mass.mass = 75        self.body.setMass(self.mass)                self.body.setPosition((self.x, self.cy, 0))        self.rect.move_ip(self.x, self.y)            def update(self):        oldx = self.x        oldcy = self.cy        oldy = self.y                     cx, cy, cz = self.body.getPosition()                self.x = cx        self.cy = cy        self.y = self.screen.get_height() - self.cy                self.rect.move_ip(self.x -oldx, self.y - oldy)