using System.Collections;
using System.Collections.Generic;
using UnityEngine;

/// <summary>
/// 拼图控制
/// </summary>
public class MoveCurtains : MonoBehaviour
{
	//执行此选择
	bool isSelected;

	float distanceRay; //定位点击时计算
	GameObject piece; //分配点击时,将移动。
	Transform[] piecesMove;
	//[HideInInspector]
	//public float positionZ = -0.001f;
	[HideInInspector]
	public bool puzzlePlaying;
	Vector3 offset;
	GameObject lightC;
	public float positionX = 0f;
	public float positionY = 0f;
	public float positionZ = 0f;
	Vector3 positionL;
	//数字资源整合
	[Header("SFX")]
	public AudioSource clickSFX;
	public GameObject menu;
	public bool acitve = true;

	private void Start()
	{
	}
	void Update()
	{
		//鼠标信息
		//按下鼠标
		if (Input.GetMouseButtonDown(0))
		{
			TouchClick();
		}
		//移动鼠标
		if (isSelected)
		{
			MovePiece();
		}
		//释放鼠标
		if (Input.GetMouseButtonUp(0))
		{
			FreePiece();
		}
	}

	/// <summary>
	/// 定位点击点
	/// </summary>
	void TouchClick()
	{
		Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);   //从相机到点的触控点
		RaycastHit hit;
		if (Physics.Raycast(ray, out hit))
		{                          //接收触控，如果有击中目标
								   //print(hit.collider.transform.parent.tag);
			if (hit.collider.gameObject.tag == "shui")
			{
				distanceRay = hit.distance;
				piece = hit.collider.gameObject;
				offset = hit.point - hit.collider.gameObject.transform.position;
				isSelected = true;
			}
			else if (hit.collider.gameObject.transform.parent && (hit.collider.gameObject.transform.parent.name == "GrupoPiezas" || (hit.collider.gameObject.transform.parent.name == "group" && hit.collider.transform.parent.tag == "shui")))
			{
				distanceRay = hit.distance;
				piece = hit.collider.gameObject.transform.parent.gameObject;
				offset = hit.point - hit.collider.gameObject.transform.parent.position;
				isSelected = true;
			}
			else
			{
				isSelected = false;
			}
		}
	}

	/// <summary>
	/// 移动碎片(每帧调用)
	/// </summary>
	void MovePiece()
	{
		Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
		Vector3 limitRay = ray.GetPoint(distanceRay);
		limitRay = new Vector3(limitRay.x, limitRay.y, limitRay.z);
		piece.transform.position = limitRay - offset;
	}

	/// <summary>
	/// 释放碎片
	/// </summary>
	void FreePiece()
	{
		if (isSelected)
		{

			isSelected = false;
		}
	}
}