static synchronized void shutdown(LContext lcontext) {
if (lcontext != null) {
LogoCommandRunner.stopLogoThread(lcontext);
((LContext) lcontext).canvas.clearall(lcontext);
}
SoundPlayer.stopSoundsForApplet(lcontext);
sensorValues = new int[16];
for (int i = 3; i < 8; i++)
sensorValues[i] = 1000;
}
