Python如何使用turtle模块绘制爱心图案

这篇文章主要介绍Python如何使用turtle模块绘制爱心图案，文中介绍的非常详细，具有一定的参考价值，感兴趣的小伙伴们一定要看完！

使用python小海龟实现爱心图案的绘制，代码如下：

import turtleimport time  # 清屏函数def clear_all():    turtle.penup()    turtle.goto(0, 0)    turtle.color('white')    turtle.pensize(800)    turtle.pendown()    turtle.setheading(0)    turtle.fd(300)    turtle.bk(600)  # 重定位海龟的位置def go_to(x, y, state):    turtle.pendown() if state else turtle.penup()    turtle.goto(x, y)  # 画线# state为真时海龟回到原点，为假时不回到原来的出发点def draw_line(length, angle, state):    turtle.pensize(1)    turtle.pendown()    turtle.setheading(angle)    turtle.fd(length)    turtle.bk(length) if state else turtle.penup()    turtle.penup()  # 画箭羽def draw_feather(size):    angle = 30                          # 箭的倾角    feather_num = size//6               # 羽毛的数量    feather_length = size // 3          # 羽毛的长度    feather_gap = size//10              # 羽毛的间隔    for i in range(feather_num):        draw_line(feather_gap, angle+180, False)            # 箭柄，不折返        draw_line(feather_length, angle + 145, True)        # 羽翼，要折返    draw_line(feather_length, angle + 145, False)    draw_line(feather_num*feather_gap, angle, False)    draw_line(feather_length, angle + 145 + 180, False)    for i in range(feather_num):        draw_line(feather_gap, angle+180, False)            # 箭柄，不折返        draw_line(feather_length, angle - 145, True)        # 羽翼，要折返    draw_line(feather_length, angle - 145, False)    draw_line(feather_num*feather_gap, angle, False)    draw_line(feather_length, angle - 145 + 180, False)  # 画爱心def draw_heart(size):    turtle.color('red', 'pink')    turtle.pensize(2)    turtle.pendown()    turtle.setheading(150)    turtle.begin_fill()    turtle.fd(size)    turtle.circle(size * -3.745, 45)    turtle.circle(size * -1.431, 165)    turtle.left(120)    turtle.circle(size * -1.431, 165)    turtle.circle(size * -3.745, 45)    turtle.fd(size)    turtle.end_fill()  # 画箭def draw_arrow(size):    angle = 30    turtle.color('black')    draw_feather(size)    turtle.pensize(4)    turtle.setheading(angle)    turtle.pendown()    turtle.fd(size*2)  # 一箭穿心# 箭的头没有画出来，而是用海龟来代替def arrow_heart(x, y, size):    go_to(x, y, False)    draw_heart(size*1.15)    turtle.setheading(-150)    turtle.penup()    turtle.fd(size*2.2)    draw_heart(size)    turtle.penup()    turtle.setheading(150)    turtle.fd(size * 2.2)    draw_arrow(size)  # 画出发射爱心的小人def draw_people(x, y):    turtle.penup()    turtle.goto(x, y)    turtle.pendown()    turtle.pensize(2)    turtle.color('black')    turtle.setheading(0)    turtle.circle(60, 360)    turtle.penup()    turtle.setheading(90)    turtle.fd(75)    turtle.setheading(180)    turtle.fd(20)    turtle.pensize(4)    turtle.pendown()    turtle.circle(2, 360)    turtle.setheading(0)    turtle.penup()    turtle.fd(40)    turtle.pensize(4)    turtle.pendown()    turtle.circle(-2, 360)    turtle.penup()    turtle.goto(x, y)    turtle.setheading(-90)    turtle.pendown()    turtle.fd(20)    turtle.setheading(0)    turtle.fd(35)    turtle.setheading(60)    turtle.fd(10)    turtle.penup()    turtle.goto(x, y)    turtle.setheading(-90)    turtle.pendown()    turtle.fd(40)    turtle.setheading(0)    turtle.fd(35)    turtle.setheading(-60)    turtle.fd(10)    turtle.penup()    turtle.goto(x, y)    turtle.setheading(-90)    turtle.pendown()    turtle.fd(60)    turtle.setheading(-135)    turtle.fd(60)    turtle.bk(60)    turtle.setheading(-45)    turtle.fd(30)    turtle.setheading(-135)    turtle.fd(35)    turtle.penup()  # 第一个画面，显示文字def page0():    turtle.penup()    turtle.goto(-350, 0)    turtle.color('black')    turtle.write('专属于我们的情人节', font=('宋体', 60, 'normal'))    time.sleep(3)  # 第二个画面，显示发射爱心的小人def page1():    turtle.speed(10)    draw_people(-250, 20)    turtle.penup()    turtle.goto(-150, -30)    draw_heart(14)    turtle.penup()    turtle.goto(-20, -60)    draw_heart(25)    turtle.penup()    turtle.goto(250, -100)    draw_heart(45)    turtle.hideturtle()    time.sleep(3)  # 最后一个画面，一箭穿心def page2():    turtle.speed(1)    turtle.penup()    turtle.goto(-200, -200)    turtle.color('blue')    turtle.pendown()    turtle.write('ZBT       CJH', font=('wisdom', 50, 'normal'))    turtle.penup()    turtle.goto(0, -180)    draw_heart(10)    arrow_heart(20, -60, 51)    turtle.showturtle()  def main():    turtle.setup(900, 500)    page0()    clear_all()    page1()    clear_all()    page2()    turtle.done()  main()

运行截图如下图所示，其中的姓名缩写可以自行修改。

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