no-dep OrbitControl

A no-dep OrbitControl that can be used with different webgl engines, and as bonus also CSS 3d transform.

This is OrbitControl starting as a simpler and more primitive than others, but without dependency on a specific webgl engine.

https://user-images.githubusercontent.com/2480762/205169462-dc4d3be3-d58f-4ed0-b07b-89249412945d.mp4

demo page

https://hrgdavor.github.io/jscadui/html-gizmo/