Use your fingers or mouse to control model
(hold shift key or use mouse wheel to zoom it).
Self organized tree
Random dichotomic tree. New twig or leaf is rejected if
there is a neighbour too near. Unfortunately distance
checking is too expensive (~N×N where N = 103 -
104 or more) and foliation is not accurate yet.
3 trees demo.
To make real forest we need GPU based LOD, adaptive spline
patches and tessellation shaders (in WebGL 2+ :)