private void animateNextFrame() {
// Animate next frame on buffer
Graphics2D g = (Graphics2D) buffer.getDrawGraphics();
drawFrame(g);
// Display the buffer
if (!buffer.contentsLost()) {
buffer.show();
}
g.dispose();
// Repainting solves the problem of the applet not updating properly
// on the Red Hat Linux computers.
repaint();
}
