// there is no elegance here. only sleep deprivation and regret.

// there is no elegance here. only sleep deprivation and regret.

Basically, clipping Béziers now actually works, because De Casteljau is
no longer totally back to front. (In fact, I think I just made it more back to front,
which cancelled the original out?)

Also disabled zoom out in the quadtree and some dodgy disabled debug in the bezier shader.