# FH的python代码
# 文本分析和图像识别
# 开发时间 2023/7/17 17:07
import tkinter as tk
import math

root = tk.Tk()
cv_small = tk.Canvas(root, width=220, height=180)
cv_small.pack()

cv_small.delete("all")  # 清除画布
cv_small.create_line(50, 30, 110, 90, fill='red', width=2)  # 左臂
cv_small.create_line(170, 30, 110, 90, fill='red', width=2)  # 右臂
cv_small.create_line(110, 160, 110, 90, fill='red', width=2)  # 中心线

root.mainloop()


def Y_tree(depth, percent, left_angle, right_angle, start_point, angle, length, canvas):
    if depth == 0:
        return
    end_point = (start_point[0] + length * math.cos(math.radians(angle)),
                 start_point[1] - length * math.sin(math.radians(angle)))
    canvas.create_line(start_point, end_point, fill='LightBlue4', width=2)
    # canvas.update()
    # canvas.after(1)
    Y_tree(depth - 1, percent, left_angle, right_angle, end_point, angle + right_angle, length * percent,
           canvas)  # 画右枝
    Y_tree(depth - 1, percent, left_angle, right_angle, end_point, angle - left_angle, length * percent,
           canvas)  # 画左枝
    # print(start_point,end_point)


if __name__ == "__main__":
    root = tk.Tk()
    canvas = tk.Canvas(root, width=1200, height=1000)
    canvas.pack()

    start_point = (300, 600)
    angle = 45
    length = 200
    depth = 12
    percent = 0.7
    left_angle = 30
    right_angle = 30

    Y_tree(depth, percent, left_angle, right_angle, start_point, angle, length, canvas)

    root.mainloop()