private void animationLoop() {
while (Thread.currentThread() == animationThread) {
try {
double frameStartTime = System.nanoTime();
animateNextFrame();
double currentFrameTime = System.nanoTime() - frameStartTime;
int timeToNextFrame = (int) ((timePerFrame - currentFrameTime) / 1000000);
if (timeToNextFrame > 0) {
// Adjust frame rate to minimize sleep time
if (fps < MAX_FRAMERATE && timeToNextFrame > 1) {
setFrameRate(calculateOptimalFrameRate(currentFrameTime));
}
Thread.sleep(timeToNextFrame);
} else if (fps > MIN_FRAMERATE) {
// Inadequate time left, decrease the frame rate
setFrameRate(calculateOptimalFrameRate(currentFrameTime));
}
} catch (InterruptedException e) {
} catch (IllegalStateException e) {
}
}
}
@Override
public void init() {
Dimension appletDimension = getSize();
canvasWidth = appletDimension.width;
canvasHeight = appletDimension.height;
setFrameRate(MAX_FRAMERATE);
// Set up animation tools
canvas = new Canvas();
canvas.setIgnoreRepaint(true);
canvas.setSize(canvasWidth, canvasHeight);
add(canvas);
// Set up double buffer
canvas.createBufferStrategy(2);
buffer = canvas.getBufferStrategy();
}
