README.md

Processing fadecandy spectrum analyzer

Cmd Line

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

Code sample, return a random colour part

int getRandomColourPart(int c) {
  int partIndex = (int)random(3.0);
  while (partIndex-- > 0) { c >>>= 8; }
  return c & 0xFF;
}