需求:用python绘制一个与中国传统节日有关的图像,如春节→中国结
1 import turtle as t 2 def goto(x,y): 3 t.penup() 4 t.goto(x,y) 5 t.pendown() 6 7 def init(): 8 t.setup(800,800) 9 t.pensize(10) 10 t.pencolor("red") 11 t.speed(14) 12 13 def jiexin(): 14 m,n=0,200 15 for i in range(11): 16 goto(m,n) 17 t.seth(-45) 18 t.fd(200) 19 m-=20/pow(2,0.5) 20 n-=20/pow(2,0.5) 21 22 m,n=0,200 23 for j in range(11): 24 goto(m,n) 25 t.seth(-135) 26 t.fd(200) 27 m+=20/pow(2,0.5) 28 n-=20/pow(2,0.5) 29 30 def jiexiaoban(): 31 m=-20/pow(2,0.5) 32 n=200-20/pow(2,0.5) 33 for k in range(4): 34 goto(m,n) 35 t.seth(135) 36 t.fd(20) 37 t.circle(10,180) 38 t.fd(20) 39 m-=40/pow(2,0.5) 40 n-=40/pow(2,0.5) 41 42 m=20/pow(2,0.5) 43 n=200-20/pow(2,0.5) 44 for k in range(4): 45 goto(m,n) 46 t.seth(45) 47 t.fd(20) 48 t.circle(-10,180) 49 t.fd(20) 50 m+=40/pow(2,0.5) 51 n-=40/pow(2,0.5) 52 53 m=20/pow(2,0.5) 54 n=200-200*pow(2,0.5)+20/pow(2,0.5) 55 for k in range(4): 56 goto(m,n) 57 t.seth(-45) 58 t.fd(20) 59 t.circle(10,180) 60 t.fd(20) 61 m+=40/pow(2,0.5) 62 n+=40/pow(2,0.5) 63 64 m=-20/pow(2,0.5) 65 n=200-200*pow(2,0.5)+20/pow(2,0.5) 66 for k in range(4): 67 goto(m,n) 68 t.seth(-135) 69 t.fd(20) 70 t.circle(-10,180) 71 t.fd(20) 72 m-=40/pow(2,0.5) 73 n+=40/pow(2,0.5) 74 75 def waiyuan(): 76 goto(90*pow(2,0.5),200-110*pow(2,0.5)) 77 t.seth(-45) 78 t.circle(20,270) 79 80 goto(-90*pow(2,0.5),200-110*pow(2,0.5)) 81 t.seth(-135) 82 t.circle(-20,270) 83 84 goto(80*pow(2,0.5),200-120*pow(2,0.5)) 85 t.seth(-45) 86 t.circle(40,270) 87 88 goto(-80*pow(2,0.5),200-120*pow(2,0.5)) 89 t.seth(-135) 90 t.circle(-40,270) 91 92 def shengzi(): 93 goto(0,200) 94 t.pensize(20) 95 t.seth(90) 96 t.fd(60) 97 goto(0,320) 98 t.pensize(12) 99 t.seth(180) 100 t.circle(30,360) 101 102 goto(0,200-200*pow(2,0.5)) 103 t.pensize(40) 104 t.seth(-90) 105 t.fd(20) 106 t.pensize(2) 107 s=-20 108 for i in range(11): 109 goto(s,200-200*pow(2,0.5)) 110 t.seth(-90) 111 t.fd(200) 112 s+=4 113 114 def hanzi(): 115 goto(-150,325) 116 t.write("幸福中国结",font=("Arial",40,"normal")) 117 118 def main(): 119 init() 120 jiexin() 121 jiexiaoban() 122 waiyuan() 123 shengzi() 124 hanzi() 125 t.hideturtle() 126 t.done() 127 main() 128