# FH的python代码
# 文本分析和图像识别
# 开发时间 2023/7/17 16:40
import math
import fractaltree
def run_Y_tree():
    # Y形分形树函数
    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)

    # 清除画布
    cv_big.delete("all")
    # 将初始参数传入函数
    Y_tree(finishLevel_Y, treePercent_Y, leftAngle_Y, rightAngle_Y, initPoint_Y, initAngle_Y, initLong_Y, cv_big)
    output_text.delete("1.0", "end")
    # 在底部的结果输出框输出分形树的绘制参数
    text = " 结果输出：<分形绘制参数的字符串形式输出>\n finishLevel={}, treePercent={}, leftAngle={}, rightAngle={}, " \
           "initPoint={}, initAngle={}, initLong={}".format(finishLevel_Y, treePercent_Y, leftAngle_Y,
                                                            rightAngle_Y, initPoint_Y, initAngle_Y, initLong_Y)
    output_text.insert(tk.INSERT, text)

# 三角形分形树执行函数(倒的坐标系)
def run_Triangle_tree():
    # 三角形分形树函数
    def Triangle_tree(depth, percent, start_point, angle, length, canvas):
        if depth == 0:
            return
        # 左枝点
        end_point1 = (start_point[0] - length * math.sin(math.radians(angle)),
                      start_point[1] - length * math.cos(math.radians(angle)))
        # 右枝点
        end_point2 = (start_point[0] + length * math.sin(math.radians(angle)),
                      start_point[1] - length * math.cos(math.radians(angle)))
        # 画三角形
        canvas.create_polygon(start_point, end_point1, end_point2, fill='LightBlue4', outline='white')
        # 画左枝
        Triangle_tree(depth - 1, percent, end_point1, angle, length * percent, canvas)
        # 画右枝
        Triangle_tree(depth - 1, percent, end_point2, angle, length * percent, canvas)
        # canvas.update()
        # canvas.after(10)
# 方形分形树执行函数
def run_Rect_tree():
    # 方形分形树函数
    def Rect_tree(depth, point1, point2, angle, canvas):
        # 直线的旋转，point1是定点
        def rotate(point1, point2, angle):
            x1, y1 = point1[0], point1[1]
            x2, y2 = point2[0], point2[1]
            x = x1 + (x2 - x1) * math.cos(math.radians(angle)) + (y2 - y1) * math.sin(math.radians(angle))
            y = y1 + (y2 - y1) * math.cos(math.radians(angle)) - (x2 - x1) * math.sin(math.radians(angle))
            point = (x, y)
            # print(point)
            return point

        # 直线的缩放，point1是定点
        def zoom(point1, point2, ratio):
            x1, y1 = point1[0], point1[1]
            x2, y2 = point2[0], point2[1]
            x = x1 + (x2 - x1) * ratio
            y = y1 + (y2 - y1) * ratio
            point = (x, y)
            return point

        point3 = rotate(point1, point2, 90)
        point4 = rotate(point2, point1, 270)
        # print(point1,point2,point3,point4)
        # 画正方形
        canvas.create_polygon(point1, point2, point4, point3, fill='LightBlue4', outline='white')
        if depth == 0:
            return
        point = rotate(point3, point4, angle)  # 旋转
        point = zoom(point3, point, math.cos(math.radians(angle)))  # 缩放
        Rect_tree(depth - 1, point, point4, angle, canvas)  # 画左枝
        Rect_tree(depth - 1, point3, point, angle, canvas)  # 画右枝