Oblig9

import java.awt.Graphics;
import java.awt.event.KeyEvent;
import java.awt.event.KeyListener;

import javax.swing.JFrame;


public class Oblig9SnakeGame extends JFrame implements KeyListener {
		Oblig9SnakeElement se = new Oblig9SnakeElement();
		int oppoverpil = 38;
		int	nedoverpil = 40;
		int	venstrepil = 37;
		int	høyrepil = 39;

	public Oblig9SnakeGame(){
		this.setVisible(true);
		this.addKeyListener(this);



	}

	public void drawStuff(){
		Graphics g = this.getGraphics();
		 g.clearRect(0, 0, this.se.bredde, this.se.høyde);
		 this.se.drawMe(g);
	}

	@Override
	public void keyPressed(KeyEvent arg0) {
		// TODO Auto-generated method stub
		 if(arg0.getKeyCode() == oppoverpil ){
			System.out.println("Oppoverpil");

			se.x = se.x-1;
			this.drawStuff();

		 }

		 if(arg0.getKeyCode() == nedoverpil ){

			 System.out.println("Nedoverpil");
			 se.x = se.x+1;

			 this.drawStuff();


		 }
		 if(arg0.getKeyCode() == høyrepil ){
			System.out.println("Høyrepilpil");

			se.y = se.y+1;
			this.drawStuff();
		 }
		 if(arg0.getKeyCode() == venstrepil ){
			System.out.println("Venstrepil");
			se.y = se.y-1;
			this.drawStuff();
		 }




	}

	@Override
	public void keyReleased(KeyEvent arg0) {
		// TODO Auto-generated method stub

	}

	@Override
	public void keyTyped(KeyEvent arg0) {
		// TODO Auto-generated method stub

	}

}
import java.awt.Color;
import java.awt.Graphics;


public class Oblig9GrafikkElement {
	public int x = 50;
	public int y = 0;
	public int bredde = 20;
	public int høyde = 20;
	public Color farge = Color.black;


	public void drawMe(Graphics g){
		g.setColor(this.farge);
		g.fillRect(this.y,this.x,this.bredde,this.høyde);

	}

}

public class Oblig9Runner {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Oblig9SnakeGame f = new Oblig9SnakeGame();

	}

}
import java.awt.Color;
import java.awt.Graphics;


public class Oblig9SnakeElement extends Oblig9GrafikkElement {

	Oblig9SnakeElement(){
		this.x = 40;
		this.y = 0;
		this.bredde = 30;
		this.høyde = 30;
		this.farge = Color.blue;

	}



}