head first java,凤凰博客,柏宝利
本文实例为大家分享了python图形工具turtle绘制国际象棋棋盘的具体代码,供大家参考,具体内容如下
#编写程序绘制一个国际象棋的棋盘 import turtle turtle.speed(30) turtle.penup() off = true for y in range(-40, 30 + 1, 10): for x in range(-40, 30 + 1, 10): if off: turtle.goto(x, y) turtle.pendown() turtle.begin_fill() turtle.color("black") turtle.forward(10) turtle.left(90) turtle.forward(10) turtle.left(90) turtle.forward(10) turtle.left(90) turtle.forward(10) turtle.left(90) turtle.end_fill() turtle.penup() else: turtle.goto(x, y) turtle.pendown() turtle.forward(10) turtle.left(90) turtle.forward(10) turtle.left(90) turtle.forward(10) turtle.left(90) turtle.forward(10) turtle.left(90) turtle.penup() off = bool(int(off) - 1) off = bool(int(off) - 1) turtle.hideturtle() turtle.done()
通过函数的重用优化代码:
先建立一个usefulturtlefunctions.py 的文件夹
import turtle #draw a square def drawsquare(): turtle.pendown() turtle.forward(10) turtle.left(90) turtle.forward(10) turtle.left(90) turtle.forward(10) turtle.left(90) turtle.forward(10) turtle.left(90) turtle.penup()
再在test中调用它
#编写程序绘制一个国际象棋的棋盘 import turtle from usefulturtlefunctions import * turtle.speed(30) turtle.penup() off = true for y in range(-40, 30 + 1, 10): for x in range(-40, 30 + 1, 10): if off: turtle.goto(x, y) turtle.begin_fill() turtle.color("black") drawsquare() turtle.end_fill() turtle.penup() else: turtle.goto(x, y) drawsquare() off = bool(int(off) - 1) off = bool(int(off) - 1) turtle.hideturtle() turtle.done()
最后结果:
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