Merge pull request #248 from De-Panther/fix_no_controllers_hittest

Fixed no reference to controllers in SceneHitTest

Author: De-Panther

Packages/webxr-interactions/CHANGELOG.md

@@ -6,6 +6,9 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## [Unreleased]
 
+### Fixed
+- No reference to controllers in SceneHitTest.
+
 ## [0.16.0] - 2023-02-02
 ### Added
 - Spectator Camera.

Packages/webxr-interactions/Runtime/Scripts/SceneHitTest.cs

@@ -6,7 +6,9 @@ public class SceneHitTest : MonoBehaviour
   {
     public Transform originTransform;
     public GameObject visual;
+    [SerializeField]
     private WebXRController leftController;
+    [SerializeField]
     private WebXRController rightController;
 
     private bool isFollowing = false;
@@ -16,6 +18,29 @@ public class SceneHitTest : MonoBehaviour
 
     private Transform arCameraTransform;
 
+    void Start()
+    {
+      if (leftController == null || rightController == null)
+      {
+        var controllers = FindObjectsOfType<WebXRController>();
+        for (int i = 0; i < controllers.Length; i++)
+        {
+          if (controllers[i].hand == WebXRControllerHand.LEFT)
+          {
+            leftController ??= controllers[i];
+          }
+          else if (controllers[i].hand == WebXRControllerHand.RIGHT)
+          {
+            rightController ??= controllers[i];
+          }
+          if (leftController != null && rightController != null)
+          {
+            return;
+          }
+        }
+      }
+    }
+
     void OnEnable()
     {
       isFollowing = false;