python练习(画图篇)

本篇是我搜集的一些代码,因为用python绘制图像还没学会
1、画太阳花

from turtle import *
begin_fill()  #准备开始填充图形
pensize(2) #设置画笔的宽度
color('red','yellow') #设置画笔颜色为蓝色,填充颜色为绿色
while True:
    forward(200) #画笔移动200个像素长度
    left(170)  #逆时针移动170°
    if abs(pos())<1: #判断画笔是否回到起点
        break
end_fill()  #结束填充图形
done()

2、画五角星

from turtle import *
color('red' , 'red')
begin_fill()
for i in range(5):
    fd(200)
    rt(144)
end_fill()
done()

3、画七彩圆圈

import turtle
colors = [ 'red' , 'orange' , 'yellow' , 'green' , 'blue' , 'indigo' , 'purple' ]
for i in range(7):
    c = colors[i]
    turtle.color(c , c)
    turtle.begin_fill()
    turtle.rt(360/7)
    turtle.circle(50)
    turtle.end_fill()
turtle.done()

4、画爱心

import turtle
import time
  
# 画心形圆弧
def hart_arc():
    for i in range(200):
        turtle.right(1)
        turtle.forward(2)
  
def move_pen_position(x, y):
    turtle.hideturtle()     # 隐藏画笔(先)
    turtle.up()     # 提笔
    turtle.goto(x, y)    # 移动画笔到指定起始坐标(窗口中心为0,0)
    turtle.down()   # 下笔
    turtle.showturtle()     # 显示画笔
   # 初始化
turtle.setup(width=800, height=500)     # 窗口(画布)大小
turtle.color('red', 'pink')     # 画笔颜色
turtle.pensize(3)       # 画笔粗细
turtle.speed(1)     # 描绘速度
# 初始化画笔起始坐标
move_pen_position(x=0,y=-180)   # 移动画笔位置
turtle.left(140)    # 向左旋转140度
  turtle.begin_fill()     # 标记背景填充位置
  # 画心形直线( 左下方 )
turtle.forward(224)    # 向前移动画笔,长度为224
# 画爱心圆弧
hart_arc()      # 左侧圆弧
turtle.left(120)    # 调整画笔角度
hart_arc()      # 右侧圆弧
# 画心形直线( 右下方 )
turtle.forward(224)
  turtle.end_fill()       # 标记背景填充结束位置
  # 点击窗口关闭程序
window = turtle.Screen()
window.exitonclick()

5、画玫瑰花

from turtle import *
pencolor("black")
fillcolor("red")
speed(50)
s=0.15
#init poistion
penup()
goto(0,600*s)
pendown()
begin_fill()
circle(200*s,30)
for i in range(60):
    lt(1)
    circle(50*s,1)
circle(200*s,30)
for i in range(4):
    lt(1)
    circle(100*s,1)
circle(200*s,50)
for i in range(50):
    lt(1)
    circle(50*s,1)
circle(350*s,65)
for i in range(40):
    lt(1)
    circle(70*s,1)
circle(150*s,50)
for i in range(20):
    rt(1)
    circle(50*s,1)
circle(400*s,60)
for i in range(18):
    lt(1)
    circle(50*s,1)
fd(250*s)
rt(150)
circle(-500*s,12)
lt(140)
circle(550*s,110)
lt(27)
circle(650*s,100)
lt(130)
circle(-300*s,20)
rt(123)
circle(220*s,57)
end_fill()
lt(120)
fd(280*s)
lt(115)
circle(300*s,33)
lt(180)
circle(-300*s,33)
for i in range(70):
    rt(1)
    circle(225*s,1)
circle(350*s,104)
lt(90)
circle(200*s,105)
circle(-500*s,63)
penup()
goto(170*s,-330*s)
pendown()
lt(160)
for i in range(20):
    lt(1)
    circle(2500*s,1)
for i in range(220):
    rt(1)
    circle(250*s,1)
fillcolor('green')
penup()
goto(670*s,-480*s)
pendown()
rt(140)
begin_fill()
circle(300*s,120)
lt(60)
circle(300*s,120)
end_fill()
penup()
goto(180*s,-850*s)
pendown()
rt(85)
circle(600*s,40)
penup()
goto(-150*s,-1300*s)
pendown()
begin_fill()
rt(120)
circle(300*s,115)
lt(75)
circle(300*s,100)
end_fill()
penup()
goto(430*s,-1370*s)
pendown()
rt(30)
circle(-600*s,35)
done()

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