gistfile1.txt

public class SpaceGame implements Runnable{

	public static final int WIDTH = 800;
	public static final int HEIGHT = 600;
	public static final int FPS_TARGET = 60;

	public boolean running;
	
	public void init() {
		try {
			Display.setDisplayMode(new DisplayMode(WIDTH, HEIGHT));

			Display.setTitle("Space Game");
			Display.setVSyncEnabled(true);
			Display.setResizable(false);

			Display.create(new PixelFormat(), new ContextAttribs(3, 2)
					.withForwardCompatible(true).withProfileCore(true));
		} catch (LWJGLException e) {
			e.printStackTrace();
		}

		glMatrixMode(GL_PROJECTION);
		glLoadIdentity();
		glMatrixMode(GL_MODELVIEW);
		glViewport(0, 0, WIDTH, HEIGHT);
		Mouse.setGrabbed(true);
	}
	
	public void tick() {
		
	}

	public void render() {
		glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
		
		glBegin(GL_QUADS);
		glColor4f(0.5f, 0.5f, 0.5f, 1);
		glVertex3f(-50, 0, -50);
		glVertex3f(-50, 0, 50);
		glVertex3f(50, 0, 50);
		glVertex3f(50, 0, -50);
		glEnd();
	}
	
	
	@Override
	public void run() {
		long lastTime = System.nanoTime();
		double unprocessed = 0;
		double nsPerTick = 1000000000.0 / FPS_TARGET;
		int frames = 0;
		int ticks = 0;
		long lastTimer1 = System.currentTimeMillis();

		init();
		
		while (running && !Display.isCloseRequested()
				&& !Keyboard.isKeyDown(Keyboard.KEY_ESCAPE)) {
			long now = System.nanoTime();
			unprocessed += (now - lastTime) / nsPerTick;
			lastTime = now;
			boolean shouldRender = true;
			while (unprocessed >= 1) {
				ticks++;
				tick();
				unprocessed -= 1;
				shouldRender = true;
			}

			try {
				Thread.sleep(2);
			} catch (InterruptedException e) {
				e.printStackTrace();
			}

			if (shouldRender) {
				frames++;
				render();
				//Display.sync(60);
				Display.update();
			}

			if (System.currentTimeMillis() - lastTimer1 > 1000) {
				lastTimer1 += 1000;
				System.out.println(ticks + " ticks, " + frames + " fps");
				frames = 0;
				ticks = 0;
			}
		}

		stop();
	}
	
	
	public static void main(String[] agrs) {
		new SpaceGame().start();
	}

	public void start() {
		running = true;
	}
	
	public void stop(){
		Display.destroy();
		running = false;
		System.exit(1);
	}
}