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浪漫的python樱花树!

  • 2025-12-04 11:53:06
浪漫的python樱花树!

浪漫的python樱花树!

浪漫的python樱花树!

今天我们来做一个属于理工科的浪漫吧!
这个代码使用了Python 的 turtle 模块来创建一个可视化的递归树(樱花树的形态),并添加了一些有趣的视觉体验,如阴影和飘落的叶子。下面是代码的详细解析:

导入模块
from turtle import *: 导入 turtle 模块的所有内容,用于绘图。
from random import *: 导入 random 模块的所有内容,用于生成随机数。
from math import *: 导入 math 模块的所有内容,主要用于数学计算。

定义函数 tree(n, l)
该函数用于绘制树的每个分支,并递归地绘制子分支。
n: 分支的递归深度。
l: 当前分支的长度。

绘图基础
pd(): Pen down,开始绘制。
pencolor(t, t, t): 设置笔的颜色,其中 t 是根据当前方向计算得到的,产生阴影。
pensize(n / 3): 设置笔的大小,大小随分支深度减小。
forward(l): 向前绘制长度为 l 的线条。

递归绘制
如果 n 大于0,表示还需要进一步绘制子分支:
b 和 c: 分别是右分支和左分支的偏转角度,随机生成。
d: 子分支的长度,也是随机生成的一定比例的当前分支长度。
使用 right(b), left(b+c), right(c) 来调整绘制方向,分别绘制右分支、左分支,然后调整回原方向。
绘制叶子
如果 n 等于0,表示达到递归的底部,开始绘制叶子:
使用 circle(3) 绘制大小为3的圆形叶子。
如果随机数大于0.7,还会填充颜色,产生不同的视觉。
另外,代码中还添加了一些飘落的叶子,通过随机改变方向和距离,模拟叶子飘落的路径。

设置
bgcolor(0.956, 0.9255, 0.9882): 设置画布的背景颜色为淡紫色。
ht(): 隐藏turtle图标。
speed(0): 设置绘图速度为Max。
tracer(0, 0): 关闭绘图窗口的自动更新,用于加速绘制。
设置初始位置并调用 tree(12, 100) 开始绘制12层深度,每层初始长度为100的树。
done(): 结束绘图。
这段代码是一个艺术性和程序性的结合,通过递归函数展示了如何在编程中模拟自然界的结构,同时通过随机和数学计算增加了视觉上的多样性。所以程序并不是枯燥乏味的,恰恰相反,程序是优美的语言,关键在于你怎么表达!
#留学#Python #python #英刊在线 #数据分析我在行 #python学习

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  1. CONNECT:[ UseTime:0.000352s ] mysql:host=127.0.0.1;port=3306;dbname=f_mffb;charset=utf8mb4
  2. SHOW FULL COLUMNS FROM `fenlei` [ RunTime:0.000608s ]
  3. SELECT * FROM `fenlei` WHERE `fid` = 0 [ RunTime:0.000254s ]
  4. SELECT * FROM `fenlei` WHERE `fid` = 63 [ RunTime:0.000258s ]
  5. SHOW FULL COLUMNS FROM `set` [ RunTime:0.000500s ]
  6. SELECT * FROM `set` [ RunTime:0.000195s ]
  7. SHOW FULL COLUMNS FROM `article` [ RunTime:0.000560s ]
  8. SELECT * FROM `article` WHERE `id` = 457361 LIMIT 1 [ RunTime:0.004258s ]
  9. UPDATE `article` SET `lasttime` = 1765093126 WHERE `id` = 457361 [ RunTime:0.000583s ]
  10. SELECT * FROM `fenlei` WHERE `id` = 66 LIMIT 1 [ RunTime:0.001811s ]
  11. SELECT * FROM `article` WHERE `id` < 457361 ORDER BY `id` DESC LIMIT 1 [ RunTime:0.007116s ]
  12. SELECT * FROM `article` WHERE `id` > 457361 ORDER BY `id` ASC LIMIT 1 [ RunTime:0.002822s ]
  13. SELECT * FROM `article` WHERE `id` < 457361 ORDER BY `id` DESC LIMIT 10 [ RunTime:0.007935s ]
  14. SELECT * FROM `article` WHERE `id` < 457361 ORDER BY `id` DESC LIMIT 10,10 [ RunTime:0.012087s ]
  15. SELECT * FROM `article` WHERE `id` < 457361 ORDER BY `id` DESC LIMIT 20,10 [ RunTime:0.005156s ]
0.120392s