public void actionPerformed(ActionEvent evt) {
graph.setColor(Color.cyan);
graph.fillRect(0, 0, SIZE.width, SIZE.height);
bar.draw(graph);
for (int i = 0; i < balls.length; i++) balls[i].draw(graph);
repaint();
}
public void run() {
while (running) {
try {
Thread.sleep(SPEED);
} catch (InterruptedException e) {
}
synchronized (pos) {
pos.translate(dx, dy);
}
if (pos.x < 0 || pos.x > Cwiczenie5_4.SIZE.width - SIZE) dx = -dx;
if (dy > 0 && bar.bump(pos)) dy = -dy;
if (pos.y < 0) dy = -dy;
if (pos.y > Cwiczenie5_4.SIZE.height - SIZE) {
running = false;
}
}
}