Update DragControls.js

examples/js/controls/DragControls.js

@@ -19,7 +19,7 @@ THREE.DragControls = function ( _objects, _camera, _domElement ) {
 	var _mouse = new THREE.Vector2();
 	var _offset = new THREE.Vector3();
 	var _intersection = new THREE.Vector3();
-
+	var _worldPosition = new THREE.Vector3();
 	var _selected = null, _hovered = null;
 
 	//
@@ -71,7 +71,7 @@ THREE.DragControls = function ( _objects, _camera, _domElement ) {
 
 			if ( _raycaster.ray.intersectPlane( _plane, _intersection ) ) {
 
-				_selected.position.copy(_selected.parent.worldToLocal(_intersection.sub(_offset)));
+				_selected.position.copy( _selected.parent.worldToLocal( _intersection.sub( _offset ) ) );
 
 			}
 
@@ -89,7 +89,7 @@ THREE.DragControls = function ( _objects, _camera, _domElement ) {
 
 			var object = intersects[ 0 ].object;
 
-			_plane.setFromNormalAndCoplanarPoint(_camera.getWorldDirection(_plane.normal), object.getWorldPosition(new THREE.Vector3()));
+			_plane.setFromNormalAndCoplanarPoint( _camera.getWorldDirection( _plane.normal ), object.getWorldPosition( _worldPosition ) );
 
 			if ( _hovered !== object ) {
 
@@ -129,7 +129,7 @@ THREE.DragControls = function ( _objects, _camera, _domElement ) {
 
 			if ( _raycaster.ray.intersectPlane( _plane, _intersection ) ) {
 
-				_offset.copy(_intersection).sub(_selected.getWorldPosition(new THREE.Vector3()));
+				_offset.copy( _intersection ).sub(_selected.getWorldPosition( _worldPosition ));
 
 			}
 
@@ -174,7 +174,7 @@ THREE.DragControls = function ( _objects, _camera, _domElement ) {
 
 			if ( _raycaster.ray.intersectPlane( _plane, _intersection ) ) {
 
-				_selected.position.copy(_selected.parent.worldToLocal(_intersection.sub(_offset)));
+				_selected.position.copy( _selected.parent.worldToLocal( _intersection.sub( _offset ) ) );
 
 			}
 
@@ -204,11 +204,11 @@ THREE.DragControls = function ( _objects, _camera, _domElement ) {
 
 			_selected = intersects[ 0 ].object;
 
-			_plane.setFromNormalAndCoplanarPoint(_camera.getWorldDirection(_plane.normal), _selected.getWorldPosition(new THREE.Vector3()));
+			_plane.setFromNormalAndCoplanarPoint( _camera.getWorldDirection( _plane.normal ), _selected.getWorldPosition( _worldPosition ) );
 
 			if ( _raycaster.ray.intersectPlane( _plane, _intersection ) ) {
 
-				_offset.copy(_intersection).sub(_selected.getWorldPosition(new THREE.Vector3()));
+				_offset.copy( _intersection ).sub( _selected.getWorldPosition( _worldPosition ) );
 
 			}