Can you use this one?
It is an easy HTML5-3D Extension i think....
also look here
And here is the Physics Extension for ThreeJS
Use Chrome for the Examples - FPS here is very good and all the
Examples look Amazing.
ThreeJS etc. are Free....
Develop games in your browser. Powerful, performant & highly capable.
ThreeJS was discussed nearly a year ago in this thread.
It's a good idea to do a Forum Search before starting a new topic.