Python turtle.clear()用法及代码示例 |
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Python turtle.clear()用法及代码示例
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turtle 模块以面向对象和面向过程的方式提供 turtle 图形基元。由于它使用tkinter作为基础图形，因此需要安装有Tk支持的Python版本。 turtle .clear()此函数用于从屏幕上删除海龟的图形。不要移动 turtle 的状态和位置，其他 turtle 的图纸也不受影响。不需要任何参数。 用法：turtle.clear() 参数：None Returns:Nothing下面是上述方法的实现和一些示例： 范例1： # import package import turtle # motion turtle.forward(100) turtle.right(90) turtle.forward(100) turtle.right(90) turtle.forward(100) # clear the drawing # and remain turtle # as it is turtle.clear() 输出：
范例2： # import package import turtle # make a turtle object # and do some drawing t1 = turtle.Turtle() t1.up() t1.setpos(-100, 50) t1.down() t1.circle(50) # make a turtle object # and do some drawing t2 = turtle.Turtle() t2.up() t2.setpos(50, 50) t2.down() t2.circle(50) # make a turtle object # and do some drawing t3 = turtle.Turtle() t3.up() t3.setpos(50, -100) t3.down() t3.circle(50) # make a turtle object # and do some drawing t4 = turtle.Turtle() t4.up() t4.setpos(-100, -100) t4.down() t4.circle(50) # here we clear the work done by turtle # objects:t1 and t3 only but turtle # shape remain as it is t1.clear() t3.clear()输出：
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