I'm on a pretty fast machine running latest Safari and you can tell the glow is ...

taitems · on March 12, 2010

I'm not sure how to post code on HN but I found the default settings that explain the "half second" lag:

var default_settings = { brightness: 2.7, saturation: 1.4, lamps: 5, block_size: 40, update_interval: 500, fade_time: 400 };

jordyhoyt · on March 12, 2010

Two spaces before a line of code does the trick:

  var default_settings = { brightness: 2.7, saturation: 1.4, lamps: 5, block_size: 40, update_interval: 500, fade_time: 400 };