Add directly constructed Nodes to rootNodes

packages/dev/core/src/Bones/bone.ts

@@ -101,7 +101,7 @@ export class Bone extends Node {
         bindMatrix: Nullable<Matrix> = null,
         index: Nullable<number> = null
     ) {
-        super(name, skeleton.getScene());
+        super(name, skeleton.getScene(), false);
         this._skeleton = skeleton;
         this._localMatrix = localMatrix?.clone() ?? Matrix.Identity();
         this._restMatrix = restMatrix ?? this._localMatrix.clone();

packages/dev/core/src/Cameras/camera.ts

@@ -453,7 +453,7 @@ export class Camera extends Node {
      * @param setActiveOnSceneIfNoneActive Defines if the camera should be set as active after creation if no other camera have been defined in the scene
      */
     constructor(name: string, position: Vector3, scene?: Scene, setActiveOnSceneIfNoneActive = true) {
-        super(name, scene);
+        super(name, scene, false);
 
         this.getScene().addCamera(this);
 

packages/dev/core/src/Lights/light.ts

@@ -370,7 +370,7 @@ export abstract class Light extends Node implements ISortableLight {
      * @param scene The scene the light belongs too
      */
     constructor(name: string, scene?: Scene) {
-        super(name, scene);
+        super(name, scene, false);
         this.getScene().addLight(this);
         this._uniformBuffer = new UniformBuffer(this.getScene().getEngine(), undefined, undefined, name);
         this._buildUniformLayout();

packages/dev/core/src/Meshes/transformNode.ts

@@ -185,7 +185,7 @@ export class TransformNode extends Node {
     public onAfterWorldMatrixUpdateObservable = new Observable<TransformNode>();
 
     constructor(name: string, scene: Nullable<Scene> = null, isPure = true) {
-        super(name, scene);
+        super(name, scene, false);
 
         if (isPure) {
             this.getScene().addTransformNode(this);

packages/dev/core/src/node.ts

@@ -349,13 +349,18 @@ export class Node implements IBehaviorAware<Node> {
      * Creates a new Node
      * @param name the name and id to be given to this node
      * @param scene the scene this node will be added to
+     * @param isPure indicates this Node is just a Node, and not a derived class like Mesh or Camera
      */
-    constructor(name: string, scene: Nullable<Scene> = null) {
+    public constructor(name: string, scene: Nullable<Scene> = null, isPure = true) {
         this.name = name;
         this.id = name;
         this._scene = <Scene>(scene || EngineStore.LastCreatedScene);
         this.uniqueId = this._scene.getUniqueId();
         this._initCache();
+
+        if (isPure) {
+            this._addToSceneRootNodes();
+        }
     }
 
     /**