using UnityEngine;
using System.Collections;

public class P2_weapon : MonoBehaviour {

	public float pushMagnitude = 500;
	
	void Start () {
		renderer.enabled = false;
	}

	void Update (){
		if (Input.GetKeyDown (KeyCode.Space)) {
			// show
			renderer.enabled = true;
			collider2D.enabled = true;
		}
		if (Input.GetKeyUp (KeyCode.Space)){
			renderer.enabled = false;
			collider2D.enabled = false;
			}

	}

	void OnCollisionEnter2D (Collision2D col){
		Vector2 ab = new Vector2 (0, 0);
		//pushmagntiude

		if (col.gameObject.name == "Cube") {

			//Get a and b
			Vector2 a;
			Vector2 b;
			a = transform.position;
			b = col.transform.position;
			//Calculate AB->
			ab = b - a;
			Debug.Log (ab);
			//Modify to add height
			ab = new Vector2 (ab.x,ab.y +0.8f);
			Debug.Log (ab);
			//Normalise AB
			ab.Normalize();
			Debug.Log (ab);
			//Multiple AB by push magnitude
			ab = ab * pushMagnitude;
			Debug.Log (ab);
			//Push opponent by AB * magnitude
			col.gameObject.rigidbody2D.AddForce (ab, ForceMode2D.Force);
			col.gameObject.GetComponent<PlayerControler>().Pushed();
		}
	}

	// Update is called once per frame

}