using UnityEngine;
using System.Collections;

public class ArrowFollow : MonoBehaviour {

	public GameObject objectToFollow;
	private GameObject player;
	float margin = 0.0f;


	void Start () {
		player = GameObject.FindGameObjectWithTag ("Player");
	}



	void Update() {

		Vector2 vectorX = Camera.main.ScreenToWorldPoint( new Vector3(Screen.width/2.0f, Screen.height/2.0f));
		Vector2 vectorA = Camera.main.ScreenToWorldPoint( new Vector3(Screen.width, Screen.height));
		Vector2 vectorB = Camera.main.ScreenToWorldPoint( new Vector3(Screen.width, 0));
		Vector2 vectorC = Camera.main.ScreenToWorldPoint( new Vector3(0, Screen.height));
		Vector2 vectorD = Camera.main.ScreenToWorldPoint( new Vector3(0, 0));

		Debug.Log ("vectorA : " +vectorA);
		Debug.Log ("vectorB : " +vectorB);
		Debug.Log ("vectorC : " +vectorC);
		Debug.Log ("vectorD : " +vectorD);

		Debug.DrawLine (vectorX, vectorA, Color.white);
		Debug.DrawLine (vectorX, vectorB, Color.white);
		Debug.DrawLine (vectorX, vectorC, Color.white);
		Debug.DrawLine (vectorX, vectorD, Color.white);

		Debug.DrawLine (vectorA, vectorB, Color.black);
		Debug.DrawLine (vectorA, vectorC, Color.black);
		Debug.DrawLine (vectorD, vectorB, Color.black);
		Debug.DrawLine (vectorD, vectorC, Color.black);



		Vector3 vector = objectToFollow.transform.position -  player.transform.position;
		vector.Normalize ();
		transform.position = player.transform.position + vector;
		transform.up = vector;



	}
}