using UnityEngine;
using System.Collections;

[ExecuteInEditMode]
public class CrossHair : MonoBehaviour {
	public Texture CrosshairTexture;
	private RaycastHit hit;
	private bool hasHit;
	private Vector3 target;

	// Use this for initialization
	void Start () {
	
	}

	public Vector3 Target{
		get{return target; }
	}

	public bool HasHit{
		get{return hasHit; }
	}

	public RaycastHit HitInfo{
		get{return hit; }
	}
	
	// Update is called once per frame
	void Update () {
		var ray = GetComponent<Camera>().ViewportPointToRay (new Vector3(0.5f,0.5f,0.0f));
		hasHit = Physics.Raycast (ray, out hit);
		if (hasHit) {
			target = hit.point;
		} else {
			target = ray.origin + ray.direction.normalized * 1000;
		}
	}
	

	void OnGUI(){
		Vector2 screenCenter = new Vector2 (Screen.width / 2, Screen.height / 2);

		Graphics.DrawTexture (new Rect(
			screenCenter.x - (CrosshairTexture.width / 2),
			screenCenter.y - (CrosshairTexture.height / 2),
			CrosshairTexture.width,
			CrosshairTexture.height), CrosshairTexture);
	}
}