Merge pull request #15140 from leshkovichpvl/orbital-control/custom-pan-keys

OrbitControls: support panning with left mouse + shift key

examples/js/controls/OrbitControls.js

@@ -11,7 +11,7 @@
 //
 //    Orbit - left mouse / touch: one-finger move
 //    Zoom - middle mouse, or mousewheel / touch: two-finger spread or squish
-//    Pan - right mouse, or left mouse + ctrl/metaKey, or arrow keys / touch: two-finger move
+//    Pan - right mouse, or left mouse + ctrl/meta/shiftKey, or arrow keys / touch: two-finger move
 
 THREE.OrbitControls = function ( object, domElement ) {
 
@@ -679,7 +679,7 @@ THREE.OrbitControls = function ( object, domElement ) {
 
 			case scope.mouseButtons.LEFT:
 
-				if ( event.ctrlKey || event.metaKey ) {
+				if ( event.ctrlKey || event.metaKey || event.shiftKey ) {
 
 					if ( scope.enablePan === false ) return;