Python 圣诞树和樱花树源码
Posted 万石谷,粒粒积累;千丈布,根根织成
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樱花树:
import turtle as T import random import time # 画樱花的躯干(60,t) def Tree(branch, t): time.sleep(0.0005) if branch > 3: if 8 <= branch <= 12: if random.randint(0, 2) == 0: t.color(\'snow\') # 白 else: t.color(\'lightcoral\') # 淡珊瑚色 t.pensize(branch / 3) elif branch < 8: if random.randint(0, 1) == 0: t.color(\'snow\') else: t.color(\'lightcoral\') # 淡珊瑚色 t.pensize(branch / 2) else: t.color(\'sienna\') # 赭(zhě)色 t.pensize(branch / 10) # 6 t.forward(branch) a = 1.5 * random.random() t.right(20 * a) b = 1.5 * random.random() Tree(branch - 10 * b, t) t.left(40 * a) Tree(branch - 10 * b, t) t.right(20 * a) t.up() t.backward(branch) 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) # 绘图区域 t = T.Turtle() # 画布大小 w = T.Screen() t.hideturtle() # 隐藏画笔 t.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()
效果:
圣诞树:
from turtle import * import random import time n = 100.0 speed("fastest") screensize(bg=\'seashell\') left(90) forward(3*n) color("orange", "yellow") begin_fill() left(126) for i in range(5): forward(n/5) right(144) forward(n/5) left(72) end_fill() right(126) color("dark green") backward(n*4.8) def tree(d, s): if d <= 0: return forward(s) tree(d-1, s*.8) right(120) tree(d-3, s*.5) right(120) tree(d-3, s*.5) right(120) backward(s) tree(15, n) backward(n/2) for i in range(200): a = 200 - 400 * random.random() b = 10 - 20 * random.random() up() forward(b) left(90) forward(a) down() if random.randint(0, 1) == 0: color(\'tomato\') else: color(\'wheat\') circle(2) up() backward(a) right(90) backward(b) time.sleep(60)
效果:
参考:
https://blog.csdn.net/weixin_43943977/article/details/102691392
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