turtle模块
turtle模块:python内置的绘图工具
turtle(海龟)模块,我们是用它来进行画图的,基本上就是画简单的直线,点,和曲线。
你可以把它想成一个小海龟,在沙滩上行走,然后留下的各种痕迹,使用Turtle模块可以绘制很多精美的图形。
基本操作(Turtle方法)
- turtle.forward(step):前进step个像素
- turtle.back(step):后退step个像素
- turtle.right():右转一个角度
- turtle.left():左转一个角度
- turtle.pencolor(“string”):画笔颜色
- turtle.fillcolor(“string”):填充颜色
- turtle.speed(int):运动速度
其他的turtle方法可以参见python官网
https://docs.python.org/zh-cn/3.7/library/turtle.html
具体代码实现
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# 绘画 # 中国国旗 # 转载请标明出处!! import turtle import time def draw__stars(tur, step, x, y, arg): """ 绘制五角星 :param tur: turtle object :param step: 五角星一条边的长度 :param x: 开始绘制五角星的起点x坐标 :param y: 开始绘制五角星的起点y坐标 :param arg: :return: """ tur.pencolor( 'yellow' ) tur.fillcolor( 'yellow' ) tur.up() tur.goto(x, y) tur.begin_fill() tur.down() tur.right(arg) tur.forward(step) tur.right( 144 ) tur.forward(step) tur.right( 144 ) tur.forward(step) tur.right( 144 ) tur.forward(step) tur.right( 144 ) tur.forward(step) tur.right( 144 ) tur.end_fill() def draw__flag(tur, wide, height): """ 绘制国旗的长方形形状 :param tur: turtle object :param wide: the width of the flag :param height: the height of the flag :return: None """ tur.pencolor( 'red' ) tur.fillcolor( 'red' ) tur.goto( - wide / 2 , height / 2 ) tur.begin_fill() tur.forward(wide) tur.right( 90 ) tur.forward(height) tur.right( 90 ) tur.forward(wide) tur.right( 90 ) tur.forward(height) tur.end_fill() if __name__ = = '__main__' : """ main 函数 """ # tur = turtle.Turtle() turtle.screensize(canvwidth = 3000 , canvheight = 2000 , bg = None ) # 绘制star的turtle对象 tur_star = turtle.Turtle() # 绘制flag的turtle对象 tur_flag = turtle.Turtle() tur_flag.speed( 3 ) tur_star.speed( 3 ) # 隐藏turtle对象 tur_star.hideturtle() tur_flag.hideturtle() # 间隔3秒,可以没有,这个是我调试时加上去的 time.sleep( 3 ) # 绘制长方形 draw__flag(tur_flag, 630 , 420 ) # 绘制五角星,在合适的位置进行绘制五角星 # 调用五次函数绘制五颗五角星 draw__stars(tur_star, step = 60 , x = - 280 , y = 155 , arg = 0 ) draw__stars(tur_star, step = 25 , x = - 182 , y = 177 , arg = - 25 ) draw__stars(tur_star, step = 25 , x = - 175 , y = 125 , arg = 41 ) draw__stars(tur_star, step = 25 , x = - 208 , y = 79 , arg = 23 ) draw__stars(tur_star, step = 25 , x = - 265 , y = 75 , arg = 48 ) # 使画面锁定 turtle.done() |
运行结果
总结
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原文链接:https://blog.csdn.net/m0_54218263/article/details/114181056