ButtonRotateMaze

using UnityEngine;
using System.Collections;
using VRStandardAssets.Utils;

namespace VRStandardAssets.Maze {
    public class ButtonRotateMaze : MonoBehaviour {

        [SerializeField]private VRInteractiveItem m_InteractiveItem;       // Reference to the VRInteractiveItem
        [SerializeField]private VRInput m_VRInput;                         // Reference to the VRInput to detect button presses.

        public Transform VRHead;
        public CameraOrbit cameraOrbitScript;                               // CameraOrbit script
        public float rotationAmount = 200f;                                 // How much to rotate the maze when a button is clicked
        private bool m_GazeOver;                                            // Whether the user is currently looking at the bar.

        private void OnEnable() {
            m_VRInput.OnDown += HandleDown;
            m_VRInput.OnUp += HandleUp;

            m_InteractiveItem.OnOver += HandleOver;
            m_InteractiveItem.OnOut += HandleOut;
        }

        private void OnDisable() {
            m_VRInput.OnDown -= HandleDown;
            m_VRInput.OnUp -= HandleUp;

            m_InteractiveItem.OnOver -= HandleOver;
            m_InteractiveItem.OnOut -= HandleOut;
        }
        private void HandleDown() {
            // If the user is looking at the bar start the FillBar coroutine and store a reference to it.
            if (m_GazeOver) {
                if (VRHead.localRotation.eulerAngles.y < 150f) {
                    RotateMaze(rotationAmount);
                }else {
                    RotateMaze(-rotationAmount);
                }

            }

        }

        // Not using now
        private void HandleUp() {
        }

        private void HandleOver() {
            // The user is now looking at the bar.
            m_GazeOver = true;
        }


        private void HandleOut() {
            // The user is no longer looking at the bar.
            m_GazeOver = false;
        }

        // Use this for initialization
        void Start() {

        }

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

        }

        public void RotateMaze(float amount) {
            StartCoroutine(cameraOrbitScript.RotateCamera(amount));
        }
    }
}