Merge pull request #93 from tentone/copilot/fix-load-hierarchy-zero-points

Fix child node traversal failure when numPoints=0 in hierarchy

Author: tentone

source/loading/binary-loader.ts

@@ -93,10 +93,13 @@ export class BinaryLoader
 			return Promise.resolve();
 		}
 
-		if (node.numPoints === 0) {
+		if (node.numPoints === 0 && this.version.newerThan('1.5')) {
+			node.geometry = node.geometry || new BufferGeometry();
 			node.loaded = true;
 			node.loading = false;
 			node.pcoGeometry.numNodesLoading--;
+			node.pcoGeometry.needsUpdate = true;
+			this.callbacks.forEach((callback) => {return callback(node);});
 			return Promise.resolve();
 		}
 

source/point-cloud-octree-geometry-node.ts

@@ -298,9 +298,10 @@ export class PointCloudOctreeGeometryNode extends EventDispatcher implements IPo
 		nodes.set(node.name, node);
 		decoded.forEach((nodeData) => {return this.addNode(nodeData, node.pcoGeometry, nodes);});
 
-		if (node.numPoints > 0) {
+		if (node.numPoints > 0 || node.pcoGeometry.loader.version.upTo('1.5')) {
 			node.loadPoints();
 		} else {
+			node.geometry = node.geometry || new BufferGeometry();
 			node.loaded = true;
 			node.loading = false;
 			node.pcoGeometry.numNodesLoading--;