slingshot

using UnityEngine;
using System.Collections;

public class Slingshot : MonoBehaviour {

	public GameObject ballPrefab;

	public GameObject slingGO;

	private Vector3 slingShotStart;

	private GameObject currBall;
	private bool ready = true;

	private SteamVR_TrackedObject trackedController;
	private bool inSlingShot = false;

	// Use this for initialization
	void Start () {
		slingShotStart = slingGO.transform.position;
	}

	// Update is called once per frame
	void Update ()
	{
		if (ready) {
			currBall = Instantiate (ballPrefab);
			currBall.transform.parent = slingGO.transform;
			currBall.transform.localPosition = Vector3.zero;
			ready = false;
		}
		if (inSlingShot) {
			slingGO.transform.position = trackedController.transform.position;
		}
	}

	void OnTriggerEnter (Collider other)
	{
		trackedController = other.GetComponent<SteamVR_TrackedObject> ();
		if (trackedController != null) {
			inSlingShot = true;
		}
	}
	void OnTriggerExit (Collider other)
	{
		trackedController = other.GetComponent<SteamVR_TrackedObject> ();
		if (trackedController != null) {
			inSlingShot = false;
		}
	}
}