 				var vstream : IVertexStream	= vertexStreams[i];
 				
 				if (!vstream.format.equals(vertexStreams[0].format))
-				{
-					throw new Error(
-						'All vertex streams must have the same vertex format.'
-					);
-				}
+					throw new Error('All vertex streams must have the same vertex format.');
 				
 				setVertexStream(vstream, i);
 			}

	import aerys.minko.render.geometry.stream.VertexStreamList;
	import aerys.minko.render.geometry.stream.format.VertexComponent;
	import aerys.minko.render.geometry.stream.format.VertexFormat;
	import aerys.minko.type.bounding.BoundingBox;
	import aerys.minko.type.bounding.BoundingSphere;
	import aerys.minko.type.bounding.IBoundingVolume;

		public function get format() : VertexFormat
		{
			return _vertexStreams.length ? _vertexStreams[0].format : null;
		}
		
		public function get changed() : Signal
		{
			return _changed;
		}
		
		/**
