教你用Python画了一棵圣诞树

￡神魔★判官ぃ 2022-12-23 13:29 176阅读 0赞

分享给大家一篇文章，教你怎样用Python画了一棵圣诞树，快来学习。

![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L2JpZ3pxbA_size_16_color_FFFFFF_t_70][]

如何用Python画一个圣诞树呢？

最简单：

height = 5
    
    stars = 1
    for i in range(height):
        print((' ' * (height - i)) + ('*' * stars))
        stars += 2
    print((' ' * height) + '|')

效果：

![93b47b039a6d53318d08f25c30788842.png][]

哈哈哈哈，总有一种骗了大家的感觉。

其实本文是想介绍Turtle库来画圣诞树。

import turtle
    
    screen = turtle.Screen()
    screen.setup(375, 700)
     
    
    circle = turtle.Turtle()
    circle.shape('circle')
    circle.color('red')
    circle.speed('fastest')
    circle.up()
    
    square = turtle.Turtle()
    square.shape('square')
    square.color('green')
    square.speed('fastest')
    square.up()
    
    circle.goto(0, 280)
    circle.stamp()
    
    k = 0
    for i in range(1, 13):
        y = 30 * i
        for j in range(i - k):
            x = 30 * j
            square.goto(x, -y + 280)
            square.stamp()
            square.goto(-x, -y + 280)
            square.stamp()
    
        if i % 4 == 0:
            x = 30 * (j + 1)
            circle.color('red')
            circle.goto(-x, -y + 280)
            circle.stamp()
            circle.goto(x, -y + 280)
            circle.stamp()
            k += 3
    
        if i % 4 == 3:
            x = 30 * (j + 1)
            circle.color('yellow')
            circle.goto(-x, -y + 280)
            circle.stamp()
            circle.goto(x, -y + 280)
            circle.stamp()
    
    square.color('brown')
    for i in range(13, 17):
        y = 30 * i
        for j in range(2):
            x = 30 * j
            square.goto(x, -y + 280)
            square.stamp()
            square.goto(-x, -y + 280)
            square.stamp()

效果：

![dfb7702d35e7bb68621cb633e7f15a2d.png][]

方法二：

import turtle
    
    
    # 定义圣诞树的绿叶函数
    def tree(d, s):
        if d <= 0:
            return
        turtle.forward(s)
        tree(d - 1, s * .8)
        turtle.right(120)
        tree(d - 3, s * .5)
        turtle.right(120)
        tree(d - 3, s * .5)
        turtle.right(120)
        turtle.backward(s)
    
    
    n = 100
    """ 设置绘图速度
    'fastest' :  0
    'fast'    :  10
    'normal'  :  6
    'slow'    :  3
    'slowest' :  1
    """
    turtle.speed('fastest') # 设置速度
    
    turtle.left(90)
    turtle.forward(3 * n)
    turtle.color("orange", "yellow")
    turtle.left(126)
    
    
    # turtle.begin_fill()
    for i in range(5):
        turtle.forward(n / 5)
        turtle.right(144)
        turtle.forward(n / 5)
        turtle.left(72)
        turtle.end_fill()
    turtle.right(126)
    turtle.color("dark green")
    turtle.backward(n * 4.8)
    
    # 执行函数
    tree(15, n)
    turtle.backward(n / 5)

效果：

![82530d9fcf2bc7cc31dc140d8b478c68.png][]

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[93b47b039a6d53318d08f25c30788842.png]: /images/20221120/9db173a6249d44b6a303a0b806e9a6ea.png
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[82530d9fcf2bc7cc31dc140d8b478c68.png]: /images/20221120/ce4c094951254a4ea845d05f4f619bdf.png