MagicLeapのControllerでuGUIのButtonをClickする。ToolboxのLaserPointer.cs改造版 #Unity #ML1

MLLaserPointer.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
using UnityEngine.EventSystems;
using UnityEngine.XR.MagicLeap;

public class MLLaserPointer : MonoBehaviour {

    # region Static GameObjects
    public static GameObject _buttonObject = null;
    #endregion

    # region Private GameObjects
    [SerializeField] private GameObject _Laser;
    [SerializeField] private GameObject _LaserBeam;
    [SerializeField] private GameObject _LaserDot;
    #endregion

    # region Private Variables
    private Vector3 _forward;
    private Vector3 _laserStart;
    private MLInputController _controller;
    private float _beamFade = 1.0f;

    [SerializeField, Tooltip("The laser dot size")]
    private float _dotSize = 0.001f;
    [SerializeField, Tooltip("The laser beam width")]
    private float _beamThickness = 0.005f;
    [SerializeField, Tooltip("The laser beam length")]    
    private float _beamLength = 15.0f;
    [SerializeField, Tooltip("The laser beam fade length")]    
    private float _beamFadeLength = 15.0f;
    [SerializeField, Tooltip("The laser beam offset from the controller")]    
    private float _beamOriginOffset = 0.01f;
    [SerializeField, Tooltip("The laser beam color")]    
    private Color _beamColor = Color.red;
    #endregion

    # region Unity Methods
    
	void Start() {
		MLInput.Start();

		_controller = MLInput.GetController(MLInput.Hand.Left);
        
		MLInput.OnTriggerDown += HandleOnTriggerDown;
	}
	
    void OnDestroy() {
	    MLInput.Stop();
	    MLInput.OnTriggerDown -= HandleOnTriggerDown;
    }

	private void HandleOnTriggerDown(byte controllerId, float value) {
		if (_buttonObject != null) {
			PointerEventData pointer = new PointerEventData(EventSystem.current);
			ExecuteEvents.Execute(_buttonObject, pointer, ExecuteEvents.pointerClickHandler);//ExecuteEvents.submitHandler);
		}
	}

    void Update() {

        // Get Controller Transform
        Vector3 p0 = _controller.Position;
        Quaternion q = _controller.Orientation;

        // Get forward vector
        _forward = (q * Vector3.forward).normalized;

        // Rotate Transform
        _Laser.transform.rotation = q * Quaternion.Euler(90.0f, 0.0f, 0.0f);

        // Offset Laser Start Position
        _laserStart = p0 + (_beamOriginOffset * _forward);

        // Update laser parameters
        updateParams();

        // Raycast laser and look for intersections
        intersectBeam();
    }
    #endregion

    # region Private Methods
    private void intersectBeam() {

        PointerEventData pointer = new PointerEventData(EventSystem.current);

        _buttonObject = null;
 
        RaycastHit hit;
        bool rayHitTest = Physics.Raycast(_laserStart, _forward, out hit, _beamLength);
        if (rayHitTest) {

            // Set laser dot transform
            _LaserDot.transform.position = hit.point;
            _LaserDot.transform.rotation = Quaternion.FromToRotation(Vector3.up, hit.normal);

            // Set new laser beam length
            float newLength = Vector3.Distance(hit.point, _laserStart);
            _Laser.transform.localScale = new Vector3(_beamThickness, newLength, _beamThickness);

            // Disable beam fade
            _beamFade = 1.0f;

            // Check if intersection with button, set button handlers for trigger callback
	        if (hit.transform.gameObject.GetComponentInChildren<Button>()) {
                _buttonObject = hit.transform.gameObject;
                ExecuteEvents.Execute(_buttonObject, pointer, ExecuteEvents.pointerEnterHandler);
                ExecuteEvents.Execute(_buttonObject, pointer, ExecuteEvents.pointerExitHandler);
            }
        }

        // No hit clear the button target
        else if (_buttonObject) {
            ExecuteEvents.Execute(_buttonObject, pointer, ExecuteEvents.pointerExitHandler);
            _buttonObject = null;
        }

        // Laser dot is active if laser hit a target
        _LaserDot.SetActive(rayHitTest);

        // Set laser fade
        Material laserMat = _LaserBeam.GetComponentInChildren<MeshRenderer>().materials[0];
        if (laserMat.HasProperty("_GradientFalloffUVs")) {
            laserMat.SetFloat("_GradientFalloffUVs", _beamFade);
        }
    }

    private void updateParams() {

        // Set Beam offset
        _Laser.transform.position = _laserStart;

        // Set Beam Thickness
        _Laser.transform.localScale = new Vector3(_beamThickness, _beamLength, _beamThickness);

        // Set Beam Fade
        _beamFade = _beamLength / _beamFadeLength;

        // Set Laser Color
        Material laserMat = _LaserBeam.GetComponentInChildren<MeshRenderer>().materials[0];
        if (laserMat.HasProperty("_BeamColor")) {
            laserMat.SetColor("_BeamColor", _beamColor);
        }

        // Set Laser Dot Scale
        _LaserDot.transform.localScale = new Vector3(_dotSize, _dotSize, _dotSize);

        // Set Laser Dot Color
        Material laserDotMat = _LaserDot.GetComponentInChildren<MeshRenderer>().materials[0];
        if (laserDotMat.HasProperty("_DotColor")) {
            laserDotMat.SetColor("_DotColor", _beamColor);
        }
    }
    #endregion

    # region Public Methods
	public void click() {
		Debug.Log("Clicked");
	}
	
    //public void nextScene() {
    //    GameObject appManager = GameObject.Find("AppManager");
    //    if (appManager != null) {
    //        AppManager appManagerScript = appManager.GetComponentInChildren<AppManager>();
    //        appManagerScript.nextScene(); 
    //    }
    //}

    //public void legalScreen() {
    //    string url = "http://www.magicleap.com/legal/privacy";
    //    MLDispatcher.TryOpenAppropriateApplication(url);
    //}
    #endregion
}