import java.awt.*;
import java.awt.event.KeyEvent;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;
import java.security.CodeSource;

public class LolCanvas extends Canvas implements KeyListener, Runnable
{
    boolean Yupp = false;
    boolean Yner = false;
    int y = 200;

    public LolCanvas() {
        new Thread(this).start();
    }

    @Override
    public void run() {
        createBufferStrategy(2);
        BufferStrategy strategy = getBufferStrategy();
        while(true) {
            if(Yupp)
                y--;
            if(Yner)
                y++;

            repaint(strategy);
            try
            {
                Thread.sleep(10);
            }
            catch (InterruptedException e)
            {
                System.out.println(e.toString());
            }
        }

    }

    public void repaint(BufferStrategy strategy)
    {
        Graphics2D g = (Graphics2D) strategy.getDrawGraphics();
        g.setColor(Color.black);
        g.fillRect(10,y,15,100);
        g.dispose();
        strategy.show();

    }
    @Override
    public void keyPressed(KeyEvent e)
    {
        switch (e.getKeyCode()) {
        case KeyEvent.VK_UP:
        case KeyEvent.VK_W:
            Yupp = true; break;
        case KeyEvent.VK_DOWN:
        case KeyEvent.VK_S:
            Yner = true; break;
        }
    }

    @Override
    public void keyReleased(KeyEvent e)
    {
        switch (e.getKeyCode()) {
        case KeyEvent.VK_UP:
        case KeyEvent.VK_W:
            Yupp = false; break;
        case KeyEvent.VK_DOWN:
        case KeyEvent.VK_S:
            Yner = false; break;
        }
    }

    @Override
    public void keyTyped(KeyEvent e){}
}