Game.java

Game.java
From https://www.youtube.com/watch?v=1gir2R7G9ws
_________________________________________________________________________________________________________________________

package com.game.main;

import java.awt.Canvas;
import java.awt.Graphics;
import java.awt.image.BufferStrategy;

public class Game extends Canvas implements Runnable{

    private static final long serialVersionUID = -7481543043991001951L;

    public static final int WIDTH = 640, HEIGHT = WIDTH / 12 * 9;
    private Thread thread;
    private boolean running = false;

    public Game() {
        new Window(WIDTH, HEIGHT, "My First Game", this);
    }

    public synchronized void start() {
        thread = new Thread(this);
        thread.start();
        running = true;
    }

    public synchronized void stop() {
        try {
            thread.join();
            running = false;
        }catch(Exception e) {
            e.printStackTrace();
        }

    }

    public void run()
    {
        long lastTime = System.nanoTime();
        double amountOfTicks = 60.0;
        double ns = 1000000000 / amountOfTicks;
        double delta = 0;
        long timer = System.currentTimeMillis();
        int frames = 0;
        while(running){
                long now = System.nanoTime();
                delta += (now - lastTime) / ns;
                lastTime = now;
                while(delta >= 1){
                        tick();
                        delta--;
                }
                if(running)
                        render();
                frames++;
                if(System.currentTimeMillis() - timer > 1000){
                        timer += 1000;
                        System.out.println("FPS: " + frames);
                        frames = 0;
                }
        }
        stop();
    }

    private void tick() {

    }

    private void render() {
        BufferStrategy bs = this.getBufferStrategy();
            if (bs == null) {
                this.createBufferStrategy(3);
                return;
            }

        Graphics g = bs.getDrawGraphics();

        g.dispose();
        bs.show();
    }
    public static void main(String args[]) {
        new Game();

    }
}