• 点击 Codesters 选项卡。点击 ，将 Rectangle 拖动到 interval() 事件内部。
  • 将矩形的名称更改为 bot_block。
  • 将高度参数更改为 bot_height。

记住，矩形的高度参数是括号中的第四个值。

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stage.set_background("city") sprite = codesters.Sprite("bike") sprite.set_size(0.5) sprite.go_to(-200, 0) stage.set_gravity(10) stage.disable_all_walls() def space_bar(): sprite.jump(5) # add other actions... stage.event_key("space", space_bar) def interval(): # add any other actions... top_height = random.randint(50, 300) # sprite = codesters.Rectangle(x, y, width, height, "color") top_block = codesters.Rectangle(0, 0, 100, top_height, "blue") top_block.set_gravity_off() top_block.set_top(250) bot_height = 350 - top_height stage.event_interval(interval, 2)
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