Game class

package com.joetannoury.game;

import org.lwjgl.LWJGLException;
import org.lwjgl.Sys;
import org.lwjgl.opengl.Display;
import org.lwjgl.opengl.DisplayMode;
import org.lwjgl.opengl.GL11;

public class Game {

	/** Size of the window */
	public static int WIDTH = 1000, HEIGHT = (int) (WIDTH*0.6);

	/** time at last frame */
	long lastFrame;

	/** frames per second */
	int fps;
	/** last fps time */
	long lastFPS;

	public void start() {
		try {
			Display.setDisplayMode(new DisplayMode(WIDTH, HEIGHT));
			Display.setTitle("WreckCurve");
			Display.create();
		} catch (LWJGLException e) {
			e.printStackTrace();
			System.exit(0);
		}

		initGL(); // init OpenGL
		getDelta(); // call once before loop to initialise lastFrame
		lastFPS = getTime(); // call before loop to initialise fps timer

		while (!Display.isCloseRequested()) {
			update(getDelta());
			renderGL();

			Display.update();
			Display.sync(60); // cap the fps to 60fps
		}

		Display.destroy();
	}

	public void update(int delta) {

		new Update(delta);

		updateFPS(); // update FPS Counter
	}

	/**
	 * Calculate how many milliseconds have passed
	 * since last frame.
	 *
	 * @return milliseconds passed since last frame
	 */
	public int getDelta() {
		long time = getTime();
		int delta = (int) (time - lastFrame);
		lastFrame = time;

		return delta;
	}

	/**
	 * Get the accurate system time
	 *
	 * @return The system time in milliseconds
	 */
	public long getTime() {
		return (Sys.getTime() * 1000) / Sys.getTimerResolution();
	}

	/**
	 * Calculate the FPS
	 */
	public void updateFPS() {
		if (getTime() - lastFPS > 1000) {
			//Display.setTitle("FPS: " + fps);
			fps = 0;
			lastFPS += 1000;
		}
		fps++;
	}

	public void initGL() {
		GL11.glMatrixMode(GL11.GL_PROJECTION);
		GL11.glLoadIdentity();
		GL11.glOrtho(0, WIDTH, 0, HEIGHT, 1, -1);
		GL11.glMatrixMode(GL11.GL_MODELVIEW);
	}

	public void renderGL() {

		new Render();

	}



	public static void main(String[] argv) {
		Game game = new Game();
		game.start();
	}
}