n matrix
			light.shadow.camera.updateProjectionMatrix();
			// and now update the camera helper we're using to show the light's shadow camera
			cameraHelper.update();

		}

		updateCamera();
		setTimeout( updateCamera );

		class MinMaxGUIHelper {

			constructor( obj, minProp, maxProp, minDif ) {

				this.obj = obj;
				this.minProp = minProp;
				this.maxProp = maxProp;
				this.minDif = minDif;

			}
			get min() {

				return this.obj[ this.minProp ];

			}
			set min( v ) {

				this.obj[ this.minPr