Minor tweaks

src/core/Ray.js

@@ -244,7 +244,7 @@
 
 	THREE.Ray.prototype.precision = 0.0001;
     
-    THREE.Ray.prototype.set = function ( origin, direction){
+    THREE.Ray.prototype.set = function ( origin, direction ) {
         
         this.origin = origin;
         this.direction = direction;