Fixed flatShading check for r87 support.

Author: David Cormack

README.md

@@ -5,7 +5,7 @@ consisting of THREE.BufferGeometry and an associated THREE.Material.  Multi-mate
 ## Usage
 Include the loader library in your project:
 ```html
-<script src="https://cdn.rawgit.com/NGenesis/bom-three.js/v0.5/examples/js/loaders/BOMLoader.min.js"></script>
+<script src="https://cdn.rawgit.com/NGenesis/bom-three.js/v0.5.1/examples/js/loaders/BOMLoader.min.js"></script>
 ```
 
 Then create an instance of BOMLoader and specify the file path to load:

examples/js/loaders/BOMLoader.js

@@ -677,7 +677,7 @@ THREE.BOMLoader.prototype = {
 							var materialId = readUint16();
 							material = materials[ materialId ].clone() || new THREE.MeshPhongMaterial();
 
-							if( material.flatShading ) material.flatShading = ( smoothing <= 0 );
+							if( material.flatShading !== undefined ) material.flatShading = ( smoothing <= 0 );
 							else material.shading = ( smoothing > 0 ) ? THREE.SmoothShading : THREE.FlatShading;
 
 							if ( this.debug ) console.log( 'Group Material', materialId, material );