UTF8Loader: Updated some of the addAttribute calls.

Need to think what to do when the array is already created, like index in this case...

examples/js/loaders/UTF8Loader.js

@@ -34,9 +34,13 @@ THREE.UTF8Loader.BufferGeometryCreator.prototype.create = function ( attribArray
 
 	var geometry = new THREE.BufferGeometry();
 
-	var positionArray = new Float32Array( 3 * 3 * ntris );
-	var normalArray = new Float32Array( 3 * 3 * ntris );
-	var uvArray = new Float32Array( 2 * 3 * ntris );
+    var positions = new THREE.Float32Attribute( ntris * 3, 3 );
+    var normals = new THREE.Float32Attribute( ntris * 3, 3 );
+    var uvs = new THREE.Float32Attribute( ntris * 3, 2 );
+
+	var positionsArray = positions.array;
+	var normalsArray = normals.array;
+	var uvsArray = uvs.array;
 
 	var i, j, offset;
 	var x, y, z;
@@ -56,9 +60,9 @@ THREE.UTF8Loader.BufferGeometryCreator.prototype.create = function ( attribArray
 		y = attribArray[ i + 1 ];
 		z = attribArray[ i + 2 ];
 
-		positionArray[ j++ ] = x;
-		positionArray[ j++ ] = y;
-		positionArray[ j++ ] = z;
+		positionsArray[ j++ ] = x;
+		positionsArray[ j++ ] = y;
+		positionsArray[ j++ ] = z;
 
 	}
 
@@ -72,8 +76,8 @@ THREE.UTF8Loader.BufferGeometryCreator.prototype.create = function ( attribArray
 		u = attribArray[ i ];
 		v = attribArray[ i + 1 ];
 
-		uvArray[ j++ ] = u;
-		uvArray[ j++ ] = v;
+		uvsArray[ j++ ] = u;
+		uvsArray[ j++ ] = v;
 
 	}
 
@@ -88,16 +92,16 @@ THREE.UTF8Loader.BufferGeometryCreator.prototype.create = function ( attribArray
 		y = attribArray[ i + 1 ];
 		z = attribArray[ i + 2 ];
 
-		normalArray[ j++ ] = x;
-		normalArray[ j++ ] = y;
-		normalArray[ j++ ] = z;
+		normalsArray[ j++ ] = x;
+		normalsArray[ j++ ] = y;
+		normalsArray[ j++ ] = z;
 
 	}
 
     geometry.addAttribute( 'index', indexArray, 1 );
-    geometry.addAttribute( 'position', positionArray, 3 );
-    geometry.addAttribute( 'normal', normalArray, 3 );
-    geometry.addAttribute( 'uv', uvArray, 2 );
+    geometry.addAttribute( 'position', positions );
+    geometry.addAttribute( 'normal', normals );
+    geometry.addAttribute( 'uv', uvs );
 
     geometry.offsets.push( { start: 0, count: indexArray.length, index: 0 } );