Python海龟图形填充问题答案

【问题标题】：Python turtle graphics filling issuePython海龟图形填充问题
【发布时间】：2018-11-14 22:40:35
【问题描述】：

我应该为我的 Python 类绘制一个建筑物，fillcolor() 函数为其中两个形状完成了它的工作，但对于最后一个形状，即使可以说我完成了电路，它也不会' t 用我需要的颜色填充它：

import turtle

def main():
    turtle.setup(900, 900)
    cityscape(-300, -400, 300, 'gray')
    cityscape(0, -400, 300, 'gray')
    building(-300, -100, 'gray')
    turtle.speed(0)

def cityscape(x, y, width, color):
    turtle.penup()
    turtle.goto(x, y)
    turtle.pencolor('gray')
    turtle.fillcolor(color)
    turtle.pendown()
    turtle.begin_fill()
    for count in range(4):
        turtle.forward(width)
        turtle.left(90)
    turtle.end_fill()

def building(x, y, color):
    turtle.penup()
    turtle.goto(x, y)
    turtle.fillcolor(color)
    turtle.pendown()
    turtle.begin_fill()
    turtle.forward(100)
    turtle.left(90)
    turtle.forward(100)
    turtle.right(180)
    turtle.left(90)
    turtle.forward(100)
    turtle.left(90)
    turtle.forward(200)
    turtle.right(90)
    turtle.forward(100)
    turtle.right(90)
    turtle.forward(250)
    turtle.left(90)
    turtle.forward(70)
    turtle.left(90)
    turtle.forward(175)
    turtle.right(90)
    turtle.forward(80)
    turtle.right(90)
    turtle.forward(100)
    turtle.left(90)
    turtle.forward(70)
    turtle.right(90)
    turtle.forward(425)
    turtle.right(90)
    turtle.forward(425)


main()

我该如何解决这个问题？

【问题讨论】：

标签： python turtle-graphics

【解决方案1】：

您在 building() 函数的末尾留下了 turtle.end_fill()。我也会写main()如下：

def main():
    turtle.setup(900, 900)
    turtle.speed('fastest')
    cityscape(-300, -400, 300, 'gray')
    cityscape(0, -400, 300, 'gray')
    building(-300, -100, 'gray')
    turtle.mainloop()

包含上述修复和一些样式更改的完整代码清单：

from turtle import Screen, Turtle

def main():
    screen = Screen()
    screen.setup(900, 900)

    yertle = Turtle(visible=False)
    yertle.speed('fastest')

    cityscape(yertle, -300, -400, 300, 'gray')
    cityscape(yertle, 0, -400, 300, 'gray')
    building(yertle, -300, -100, 'gray')

    screen.mainloop()

def cityscape(turtle, x, y, width, color):
    turtle.penup()
    turtle.goto(x, y)
    turtle.pendown()

    turtle.color(color)

    turtle.begin_fill()
    for _ in range(4):
        turtle.forward(width)
        turtle.left(90)
    turtle.end_fill()

def building(turtle, x, y, color):
    turtle.penup()
    turtle.goto(x, y)
    turtle.pendown()

    turtle.color(color)

    turtle.begin_fill()
    turtle.forward(100)
    turtle.left(90)
    turtle.forward(100)
    turtle.right(90)
    turtle.forward(100)
    turtle.left(90)
    turtle.forward(200)
    turtle.right(90)
    turtle.forward(100)
    turtle.right(90)
    turtle.forward(250)
    turtle.left(90)
    turtle.forward(70)
    turtle.left(90)
    turtle.forward(175)
    turtle.right(90)
    turtle.forward(80)
    turtle.right(90)
    turtle.forward(100)
    turtle.left(90)
    turtle.forward(70)
    turtle.right(90)
    turtle.forward(425)
    turtle.right(90)
    turtle.forward(425)
    turtle.end_fill()

main()

【讨论】：

所以你是说我需要将末端填充放在 def 建筑物而不是城市景观下
@DonniBenotti，不，我是说每个begin_fill() 都需要一个end_fill()。我正在为我的答案添加一个完整的代码清单。
我第一次完全看错了，我有点压力，但它成功了。谢谢你的帮助。最后结果很好。