效果图
源码如下
import turtleimport randomfrom turtle import *from time import sleep# 画樱花的躯干(60,t)def tree(branchLen, t):sleep(0.0005)if branchLen > 3:if 8 <= branchLen <= 12:if random.randint(0, 2) == 0:t.color('snow') # 白else:t.color('lightcoral') # 淡珊瑚色t.pensize(branchLen / 3)elif branchLen < 8:if random.randint(0, 1) == 0:t.color('snow')else:t.color('lightcoral') # 淡珊瑚色t.pensize(branchLen / 2)else:t.color('sienna') # 赭(zhě)色t.pensize(branchLen / 10) # 6t.forward(branchLen)a = 1.5 * random.random()t.right(20 * a)b = 1.5 * random.random()tree(branchLen - 10 * b, t)t.left(40 * a)tree(branchLen - 10 * b, t)t.right(20 * a)t.up()t.backward(branchLen)t.down()# 掉落的花瓣def petal(m, t):for i in range(m):a = 200 - 400 * random.random()b = 10 - 20 * random.random()t.up()t.forward(b)t.left(90)t.forward(a)t.down()t.color('lightcoral') # 淡珊瑚色t.circle(1)t.up()t.backward(a)t.right(90)t.backward(b)def main():# 绘图区域t = turtle.Turtle()# 画布大小w = turtle.Screen()t.hideturtle() # 隐藏画笔getscreen().tracer(5, 0)w.screensize(bg='wheat') # wheat小麦t.left(90)t.up()t.backward(150)t.down()t.color('sienna')# 画樱花的躯干tree(60, t)# 掉落的花瓣petal(200, t)w.exitonclick()main()
