public static void tick() throws Exception {
StringBuilder sb = new StringBuilder();
for (Iterator<Snake> iterator = SnakeTimer.getSnakes().iterator(); iterator.hasNext(); ) {
Snake snake = iterator.next();
snake.update(SnakeTimer.getSnakes());
sb.append(snake.getLocationsJson());
if (iterator.hasNext()) {
sb.append(',');
}
}
broadcast(String.format("{'type': 'update', 'data' : [%s]}", sb.toString()));
}
public static void broadcast(String message) throws Exception {
Collection<Snake> snakes = new CopyOnWriteArrayList<>(SnakeTimer.getSnakes());
for (Snake snake : snakes) {
try {
snake.sendMessage(message);
} catch (Throwable ex) {
// if Snake#sendMessage fails the client is removed
removeSnake(snake);
}
}
}