This is a test of various settings for resizing strategies using three-scene-renderer.
It also serves as a demo of how scene-render can use a single canvas to serve
multiple scenes.
Contain (minimal)
Try resizing and you'll see the image area is contained. This resizes to a center center position
Contain (top aligned)
Contain (bottom / left aligned)
Cover (minimal)
Cover (top aligned)
Cover (bottom left aligned)