package game; import java.awt.Dimension; import java.awt.Graphics; import javax.swing.JPanel; public class GameArena extends JPanel { private Game parent; private int x = 100; private int y = 100; public GameArena(Game parent) { super(); this.parent = parent; } public Dimension getPreferredSize() { return new Dimension(400, 400); } public void moveRight() { if (x < getWidth() - 40) x += 5; repaint(); } public void moveLeft() { if (x > 10) x -= 5; repaint(); } public void paintComponent(Graphics g) { super.paintComponent(g); g.fillRect(x, getHeight() - 20, 30, 10); } }