forked from: Kaleidoscope -- How can I get rid of the subpixel gap with tiled symmetry?

How can I refactor KaleidoImage's render() (line 63) to
1. be more efficient
2. get rid of the subpixel gap
1. it is (i suppose it even was) much faster then averge webcam fps (25~30)
you didn't change default CameraBitmap fps (15 -> 30)
timers show running time and times between refresh (in brackets)
2. overlap a little...