预览：这里是你今天要创建的小行星躲避游戏示例！
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stage.set_background("space")
sprite = codesters.Sprite("spaceship")
sprite.set_size(0.4)
sprite.go_to(-200, 0)
stage.set_gravity(10)
stage.disable_all_walls()
def space():
sprite.jump(5)
# add other actions...
stage.event_space_key(space)
def interval():
# sprite = codesters.Rectangle(x, y, width, height, "color")
top_height = random.randint(50, 300)
top_rock = codesters.Sprite("asteroid", 300, 0)
top_rock.set_height(top_height)
top_rock.set_gravity_off()
top_rock.set_top(250)
bot_height = 350 - top_height
bot_rock = codesters.Sprite("asteroid", 300, 0)
bot_rock.set_height(bot_height)
bot_rock.set_gravity_off()
bot_rock.set_bottom(-250)
top_rock.set_x_speed(-3)
top_rock.set_y_speed(0)
bot_rock.set_x_speed(-2)
bot_rock.set_y_speed(0)
# add any other actions...
stage.event_interval(interval, 5)
def collision(sprite, hit_sprite):
sprite.go_to(0,0)
text = codesters.Text("Game Over!", 0, 100, "yellow")
sprite.event_collision(collision)
