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38 lines
1.4 KiB
38 lines
1.4 KiB
5 months ago
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import math
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from time import sleep
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import tkinter as tk
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root = tk.Tk()
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def draw_Triangle(startPoint, endPoint1, endPoint2):
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canvas.create_polygon(startPoint, endPoint1, endPoint2, outline='red', fill='white', width=2)
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def Triangle_Pattern(): #绘制基本图案按钮所调用的函数
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canvas.delete("all") # 清除画布
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startPoint=(80,130); endPoint1=(20,10); endPoint2=(140,10)
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draw_Triangle(startPoint, endPoint1, endPoint2)
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def Triangle_tree(depth, percent, start_point, angle, length, canvas):
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if depth == 0: return
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# 左枝点和右枝点
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end_point1 = (start_point[0] - length * math.sin(math.radians(angle)),
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start_point[1] - length * math.cos(math.radians(angle)))
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end_point2 = (start_point[0] + length * math.sin(math.radians(angle)),
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start_point[1] - length * math.cos(math.radians(angle)))
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# 画三角形
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draw_Triangle(start_point, end_point1, end_point2)
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# 递归画左枝和画右枝
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Triangle_tree(depth - 1, percent, end_point1, angle, length * percent, canvas)
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Triangle_tree(depth - 1, percent, end_point2, angle, length * percent, canvas)
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canvas.update()
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sleep(0.001)
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if __name__ == '__main__':
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canvas = tk.Canvas(root, width=1200, height=1000)
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canvas.pack()
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FinishLevel = 8
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TreePercent = 0.8
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InitPoint = (520, 650)
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InitAngle = 30
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InitLong = 170
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Triangle_tree(FinishLevel, TreePercent, InitPoint, InitAngle, InitLong, canvas)
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