public void run() {
long start, end, sleepTime;
while (running) {
start = System.currentTimeMillis();
if (gridSet) {
grid.scanStep();
}
repaint();
end = System.currentTimeMillis();
// Sleep to match FPS limit
sleepTime = (1000 / framerate) - (end - start);
if (sleepTime > 0) {
try {
Thread.sleep(sleepTime);
} catch (InterruptedException e) {
thread.interrupt();
}
}
}
}
