/** Starts the game running. */
private void startGame() {
/*
* Initialize everything we're going to be using.
*/
this.random = new Random();
this.snake = new LinkedList<>();
this.directions = new LinkedList<>();
this.logicTimer = new Clock(9.0f);
this.isNewGame = true;
// Set the timer to paused initially.
logicTimer.setPaused(true);
/*
* This is the game loop. It will update and render the game and will
* continue to run until the game window is closed.
*/
while (true) {
// Get the current frame's start time.
long start = System.nanoTime();
// Update the logic timer.
logicTimer.update();
/*
* If a cycle has elapsed on the logic timer, then update the game.
*/
if (logicTimer.hasElapsedCycle()) {
updateGame();
}
// Repaint the board and side panel with the new content.
board.repaint();
side.repaint();
/*
* Calculate the delta time between since the start of the frame
* and sleep for the excess time to cap the frame rate. While not
* incredibly accurate, it is sufficient for our purposes.
*/
long delta = (System.nanoTime() - start) / 1000000L;
if (delta < FRAME_TIME) {
try {
Thread.sleep(FRAME_TIME - delta);
} catch (Exception e) {
e.printStackTrace();
}
}
}
}
