using UnityEngine;
using System.Collections;

public class MagnetLaser : MonoBehaviour {

	private LineRenderer lr;
	public GameObject player;
	public GameObject rodstart;
	public int segments;
	public float randomSize;
	private magnetGun gun;
	private ParticleSystem[] sparks;


	// Use this for initialization
	void Start () {
		gun = player.GetComponent<magnetGun> ();
		lr = GetComponent<LineRenderer> ();
		sparks = gun.GetComponentsInChildren<ParticleSystem>();
		
	}




	// Update is called once per frame
	void Update () {

		if (gun.GravityTarget != null) {
			
			sparks[0].enableEmission = true;
			sparks[1].enableEmission = true;
			
			lr.enabled = true;
			lr.SetVertexCount(segments+1);
			lr.SetPosition(0, rodstart.transform.position);
			lr.SetPosition (segments,gun.GravityTarget.transform.position);

			Vector3 normalizedV  =(gun.GravityTarget.transform.position - player.transform.position);
			float distance = normalizedV.magnitude;
			//normalizedV.Normalize();
			for (int i = 1; i<segments; i++){
				Debug.Log(i);
				Vector3 point = player.transform.position +  (normalizedV/segments)*i;
				//startPos.y + (endPos.y - startPos.y) / dis

				point.x += Random.Range(-randomSize,randomSize);
				point.y += Random.Range(-randomSize,randomSize);
				point.z += Random.Range(-randomSize,randomSize);

				lr.SetPosition(i,point);
			}


		} else {
			lr.enabled = false;
			sparks[0].enableEmission = false;
			sparks[1].enableEmission = false;
		}



	}




}