如何在这个面向对象的例子中计算两个扇区的交集

class Sector:
    def __init__(self, x, y, radius, startAngle, endAngle):
        self.x = x
        self.y = y
        self.radius = radius
        self.startAngle = startAngle
        self.endAngle = endAngle
    
    def calculateIntersection(self, otherSector):
        distance = ((self.x - otherSector.x) ** 2 + (self.y - otherSector.y) ** 2) ** 0.5
        if distance < self.radius + otherSector.radius:
            startAngle = max(self.startAngle, otherSector.startAngle)
            endAngle = min(self.endAngle, otherSector.endAngle)
            if startAngle < endAngle:
                x = self.x + (otherSector.x - self.x) * self.radius / (self.radius + otherSector.radius)
                y = self.y + (otherSector.y - self.y) * self.radius / (self.radius + otherSector.radius)
                radius = min(self.radius, otherSector.radius)
                intersection = Sector(x, y, radius, startAngle, endAngle)
                return intersection
        return None

# 示例用法
sector1 = Sector(0, 0, 5, 0, 90)
sector2 = Sector(3, 0, 5, 45, 135)
intersection = sector1.calculateIntersection(sector2)
if intersection:
    print("两个扇区相交")
    print("交集的中心点坐标：({}, {})".format(intersection.x, intersection.y))
    print("交集的半径：{}".format(intersection.radius))
    print("交集的起始角度：{}".format(intersection.startAngle))
    print("交集的结束角度：{}".format(intersection.endAngle))
else:
    print("两个扇区不相交")