After creating a ThreeJS application designed for a 4:3 layout with multiple buttons and features, I decided to enable Fullscreen mode using THREEx.Fullscreen.js. Although the Fullscreen mode is functioning properly, a new issue arose - the renderer size(x,y) changes to match the screen size, which is a 16:9 layout in my case.
Therefore, my question is, how can I have ThreeJS run in fullscreen mode while maintaining the original renderer size?