Python turtle.Screen().turtles()用法及代码示例

2023-09-09 22:42| 来源: 网络整理| 查看: 265

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.Screen().turtles()

此函数用于返回屏幕上的海龟列表。这不需要任何论点。

用法:

turtle.Screen().turtles()

下面是上述方法的实现和一些示例：

范例1：

Python3 # import package import turtle # make screen object # and set size sc = turtle.Screen() sc.setup(400,300) # make turlte object t1=turtle.Turtle(shape='square') # do some motion with properties t1.color("red") t1.circle(50) # make another turlte object t2=turtle.Turtle(shape='circle') # do some motion with properties t2.color("green") t2.circle(40) # get all turtle objects on screen print(sc.turtles())

输出：

[, ]

范例2：

Python3 # import package import turtle # make screen object and set size sc = turtle.Screen() sc.setup(400, 300) # make first turtle and do something t1 = turtle.Turtle(shape='square') t1.color("red") t1.circle(50) # make another turtle and do something t2 = turtle.Turtle(shape='circle') t2.color("green") t2.circle(40) # get all turtles object turt = sc.turtles() # use first turtle object turt[0].circle(-40) # use another turtle object turt[1].circle(-50)

输出：

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