扩展——第 4 步:再做一点小改动,然后我们就完成了!

  • 单击碰撞事件中这行代码内的括号内: hit_spriteset_y_speed( 5 )
  • 将括号内的数字从5更改为my_var ,其中包含我们的新速度。
  • 点击运行并玩你完成的(更难的)游戏!做得好!

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microbit = codesters.Microbit() microbit.show_string("hello") stage.set_background("moon") sprite = codesters.Sprite("astronaut1") sprite.move_down(150) def button_a(): sprite.move_left(50) microbit.event_button_a(button_a) def button_b(): sprite.move_right(50) microbit.event_button_b(button_b) ball = codesters.Sprite("rock") ball.set_x_speed(5) ball.set_y_speed(5) def collision(sprite, hit_sprite): my_var = hit_sprite.get_y_speed() my_var = -my_var + 1 hit_sprite.set_y_speed(5) sprite.event_collision(collision) stage.disable_floor()
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