Allow zooming while rotating (mrdoob#8634)

BroHammie · mrdoob · commit a58012bf39cf · 2016-04-16T13:08:15.000+02:00
diff --git a/examples/js/controls/OrbitControls.js b/examples/js/controls/OrbitControls.js
@@ -756,7 +756,7 @@ THREE.OrbitControls = function ( object, domElement ) {
 
 	function onMouseWheel( event ) {
 
-		if ( scope.enabled === false || scope.enableZoom === false || state !== STATE.NONE ) return;
+		if ( scope.enabled === false || scope.enableZoom === false || ( state !== STATE.NONE && state !== STATE.ROTATE ) ) return;
 
 		event.preventDefault();
 		event.stopPropagation();
