nave.step(pygame.mouse.get_pos()) bg.step() #COLLISION phase for bullet in bullets: bullet.step() hitEnems=pygame.sprite.spritecollide(bullet,enems,False) for enem in hitEnems: enem.hit(bullet.dam) bullet.kill() break hitEnems=pygame.sprite.spritecollide(nave,enems,False) for enem in hitEnems: nave.hit(enem.fisDam) enem.kill() break hitEnemBul=pygame.sprite.spritecollide(nave,enemBuls,False) for bul in hitEnemBul: nave.hit(bul.dam) bul.kill() break #DRAW phase screen.fill((0,0,0)) stagebg.draw(screen) stage.draw(screen) stageMenu.draw(level) pygame.display.flip()