JSONLoader: Fixed breakage. See #10657

src/core/Geometry.js

@@ -1142,11 +1142,13 @@ Object.assign( Geometry.prototype, EventDispatcher.prototype, {
 
 		}
 
-		data.vertices = vertices;
-		data.normals = normals;
-		if ( colors.length > 0 ) data.colors = colors;
-		if ( uvs.length > 0 ) data.uvs = [ uvs ]; // temporal backward compatibility
-		data.faces = faces;
+		data.data = {};
+
+		data.data.vertices = vertices;
+		data.data.normals = normals;
+		if ( colors.length > 0 ) data.data.colors = colors;
+		if ( uvs.length > 0 ) data.data.uvs = [ uvs ]; // temporal backward compatibility
+		data.data.faces = faces;
 
 		return data;
 

src/loaders/JSONLoader.js

@@ -83,6 +83,13 @@ Object.assign( JSONLoader.prototype, {
 
 	parse: function ( json, texturePath ) {
 
+		if ( json.data !== undefined ) {
+
+			// Geometry 4.0 spec
+			json = json.data;
+
+		}
+
 		var geometry = new Geometry(),
 		scale = ( json.scale !== undefined ) ? 1.0 / json.scale : 1.0;