refactor, add utils.loadshaders
got writing to '3d' texture working
lod used for 2/3D summing of cells
able to loop through verts and read back octree data at each level
3D mipmaping
small fixes, remove center sampling, only using nearest
simplify octree lookup calls
refactor
more refactoring, brute force test
start of barnes hut
could not get octree to work, optimized anyway
import .hgt files for terrain
got edge forces in there
edge forces
fix bug with numVertices global
use esprima to parse js
move graph view to own class, make graph re-init-able, add camera controls
move graph stuff out to own repo
use npm packages