cd app
open index.html
npm install
bower install
grunt bowercopy
make
world
level
planes (the 6 planes to be rendered)
stencils
level: N
stencils: the stencils
stencilWidth: M
appliedStencils: 6xMxM array (of initial false) to be slammed
world.level
can easily be set to null once a level is completed, so a whole
new level is set after