Overring touchesEnded in SKSpriteNode -检查场景中是否有任何节点在点下

class CustomSpriteNode: SKSpriteNode {
    override func touchesEnded(_ touches: Set<UITouch>, with event: UIEvent?) {
        super.touchesEnded(touches, with: event)
        
        // 获取触摸点的位置
        guard let touch = touches.first else { return }
        let touchLocation = touch.location(in: self.scene!)
        
        // 检查场景中是否有任何节点在触摸点下
        let nodesAtPoint = self.scene?.nodes(at: touchLocation)
        
        if let nodes = nodesAtPoint, !nodes.isEmpty {
            // 存在节点在触摸点下
            for node in nodes {
                // 处理节点的逻辑
                // ...
            }
        } else {
            // 不存在节点在触摸点下
            // ...
        }
    }
}