for this you need: (1) a recent, decent Mac or PC and (2) a WebGL-capable browser such as the latest Chrome, Firefox or Safari (Safari needs tweaks) — for more info, see http://get.webgl.org
responds to: click + dragscroll-wheelpointer positionclick (on snowflake) — space, p and esc — made by: George MacKerron of CASA using three.jsGitHub source