2048AI/Display.java at master · Allen-Mikhailov/2048AI · GitHub

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import java.awt.Color;
import java.awt.Graphics;
import java.awt.*;
import java.awt.Graphics2D;
import java.awt.Canvas;
import java.awt.event.ActionEvent;
import java.awt.event.KeyListener;
import java.awt.event.KeyEvent;
import static java.lang.Character.*;
import java.awt.image.BufferedImage;
import java.awt.event.ActionListener;
import java.lang.Thread;

public class Display extends Canvas implements Runnable
{
    private BufferedImage back;
    private Simulate sim;

    public Display()
    {
        setBackground(Color.WHITE);
		setVisible(true);

        sim = new Simulate();

        new Thread(this).start();

		// new Thread(this).start();
    }

    public void update(Graphics window){
        paint(window);
    }

    public void paint(Graphics window)
    {
        Graphics2D twoDGraph = (Graphics2D)window;

        if(back==null)
		   back = (BufferedImage)(createImage(getWidth(),getHeight()));

        Graphics graphToBack = back.createGraphics();

        graphToBack.setColor(Color.white);
        graphToBack.fillRect(0, 0, Runner.WIDTH, Runner.HEIGHT);

        graphToBack.setFont(new Font("Aerial", Font.PLAIN, 45));

        // Draw here
        sim.draw(graphToBack);

        twoDGraph.drawImage(back, null, 0, 0);
    }

    public void run()
   {
   	try
   	{
   		while(true)
   		{
            repaint();
            Thread.currentThread().sleep(81);
         }
      }catch(Exception e)
      {
      }
  	}
}