small fix - screen resize needs to refer to controls.screen sizes

examples/webgl_trackballcamera_earth.html

@@ -244,8 +244,8 @@
 				camera.aspect = width / height;
 				camera.updateProjectionMatrix();
 
-				camera.screen.width = width;
-				camera.screen.height = height;
+				controls.screen.width = width;
+				controls.screen.height = height;
 
 				camera.radius = ( width + height ) / 4;