Are there any examples of quadtrees being used in HTML5 Canvas?

Question

Quadtrees are used as an optimisation in games and elsewhere for spatial organisation of entities http://en.wikipedia.org/wiki/Quadtree.

Are there any examples of quadtrees being used for HTML5 Canvas?

Answer 1

I think you should visit Mike Chambers.

Using Easel JS.

http://www.mikechambers.com/blog/2011/03/21/javascript-quadtree-implementation/