using UnityEngine;
using System.Collections;

public class MouseMove2D : MonoBehaviour {

    public Vector3 mousePosition;
    public float moveSpeed = 0.1f;
    public Camera Cam;

    public LayerMask layers;
    public Transform Raystart;
    [SerializeField] private bool m_ShowDebugRay;                   // Optionally show the debug ray.
    [SerializeField] private float m_DebugRayLength = 5f;           // Debug ray length.
    [SerializeField] private float m_DebugRayDuration = 1f;         // How long the Debug ray will remain visible.
    [SerializeField] private float m_RayLength = 500f;              // How far into the scene the ray is cast.

    // Use this for initialization
    void Start () {
        Cam = Camera.main;
    }

    // Update is called once per frame
    void Update () {
        //if ( Input.GetMouseButton (1)){ // << use GetMouseButton instead of GetMouseButtonDown
            RaycastHit hit;
            Ray ray = Camera.main.ScreenPointToRay(Input.mousePosition);
            if ( Physics.Raycast (ray,out hit,100.0f)) {
//              Debug.Log("You selected the " + hit.transform.name);
                mousePosition = hit.point;
                transform.position = hit.point;
                //hit.transform.position += Vector3.right * moveSpeed * Time.deltaTime; // << declare public speed and set it in inspector
            }
        //}

        //mousePosition = Input.mousePosition;
        //mousePosition = Camera.main.ScreenToWorldPoint(mousePosition);

        if (m_ShowDebugRay)
        {
            //Debug.DrawRay(Raystart.transform.position, mousePosition * m_DebugRayLength, Color.yellow, m_DebugRayDuration);

        /*
        Ray ray = new Ray (transform.position, transform.forward);

        // Raycast to find a ragdoll collider
        RaycastHit hit = new RaycastHit();
        if (Physics.Raycast(ray, out hit, 100f, layers)) {
            Debug.DrawRay(transform.position, transform.forward * m_DebugRayLength, Color.red, m_DebugRayDuration);
        }
        */
        }


        if (Input.GetMouseButton(0)) {
            //mousePosition = Input.mousePosition;
            //mousePosition = Camera.main.ScreenToWorldPoint(mousePosition);
            //transform.position = mousePosition;
            //transform.position = Vector3.Lerp(transform.position, mousePosition, moveSpeed);
        }

    }
}