using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Events;
using UnityEngine.Serialization;

public class TouchRayHit : MonoBehaviour
{
    public new Camera camera;
    public Transform pointer;

    int layerMask;
    private void Start()
    {
        if (camera == null)
            camera = FindObjectOfType<Camera>();

        //layerMask = 1 << LayerMask.NameToLayer("Wall");
    }

    [System.Serializable]
    public class EvRecieveHitPosition : UnityEvent{ }
    [FormerlySerializedAs("onEnd")]
    [SerializeField]
    private EvRecieveHitPosition m_OnEnd = new EvRecieveHitPosition();
    public EvRecieveHitPosition OnTouch
    {
        get { return m_OnEnd; }
        set { m_OnEnd = value; }
    }

    RaycastHit hit;
    private void Update()
    {
        if (camera != null && Input.GetMouseButtonDown(0))  // 마우스가 클릭 되면
        {
            Ray ray = camera.ScreenPointToRay(Input.mousePosition);
            RaycastHit hit;
            if (Physics.Raycast(ray, out hit, 1000))
            {
                if (hit.collider.gameObject.layer == LayerMask.NameToLayer("Map"))
                {
                    Debug.DrawLine(camera.transform.position, hit.point, Color.blue, 1f);

                    if (pointer != null)
                        pointer.position = hit.point;

                    if (m_OnEnd != null)
                        m_OnEnd.Invoke();
                }
            }
        }
    }
}