Add collapse-model utility component

src/components/UtilComponents.js

@@ -0,0 +1,22 @@
+import {AFrameComponent} from './AFrameComponent';
+
+class CollapseModel extends AFrameComponent
+{
+	init()
+	{
+		function getFirstMesh(obj){
+			if(obj.isMesh)
+				return obj;
+			else if(obj.children.length === 0)
+				return null;
+			else
+				return obj.children.map(c => getFirstMesh(c)).find(o => !!o);
+		}
+
+		this.el.addEventListener('model-loaded', () => {
+			this.el.setObject3D('mesh', getFirstMesh(this.el.object3DMap.mesh));
+		});
+	}
+}
+
+export {CollapseModel}

src/components/index.js

@@ -44,6 +44,7 @@ import NContainer from './NContainer';
 import NPortal from './NPortal';
 import NSound from './NSound';
 import NLayoutBrowser from './NLayoutBrowser';
+import {CollapseModel} from './UtilComponents';
 
 if (window.AFRAME)
 {
@@ -73,12 +74,13 @@ if (window.AFRAME)
 	registerComponentClass('n-capsule-collider', NCapsuleCollider);
 	registerComponentClass('n-mesh-collider', NMeshCollider);
 	registerComponentClass('n-layout-browser', NLayoutBrowser);
+	registerComponentClass('collapse-model', CollapseModel);
 }
 
 export {
 	AltspaceComponent, AltspaceCursorCollider, AltspaceTrackedControls, SyncSystem,
 	SyncComponent, SyncColor, SyncTransform, SyncNSound, Wire, OnePerUser, Instantiator,
 	SyncNSkeletonParent, NObject, NPortal, NSpawner, NText, NBillboard, NSkeletonParent,
 	NCockpitParent, NContainer, NSound, NSphereCollider, NBoxCollider, NCapsuleCollider,
-	NMeshCollider, NLayoutBrowser
+	NMeshCollider, NLayoutBrowser, CollapseModel
 };