Doing weird stuff with simplex noise and HSV

Ah, lava lamps. Bulbs of hot wax just floating about in a tube. They can be quite expensive and it takes a long time for them to warm up. But no longer! We present to you Techlamp, a virtual 2D lava lamp based on simplex noise and a bit of magic. Watch it in action:

Download Techlamp
(Requires JRE ≥ 6)
There is also an older version, which didn't include the 'invert bias' button. If you like that one better for some odd reason, you can download that version too.