rem Windows
path %PATH%;D:\Apps\processing-3.5.4
processing-java.exe --sketch=%cd%\Processing_fadecandy_spectrum_analyzer --run exit=60
# raspi (vnc)
processing-java --sketch=./Processing_fadecandy_spectrum_analyzer --run exit=60
# raspi (ssh i.e. headless)
xvfb-run processing-java --sketch=./Processing_fadecandy_spectrum_analyzer --run exit=60
int getRandomColourPart(int c) {
int partIndex = (int)random(3.0);
while (partIndex-- > 0) { c >>>= 8; }
return c & 0xFF;
}