Rectangle/Ellipse won't draw

[Danieldcc]

So I'm trying to create a boulderdash game and i got as far as drawing the grid. I can also successfully draw walls (by changing background color of jpanel to black).... but when I'm trying to add a ROCK at the positions in the jpanel, i can't draw anything. What am I doing wrong??? I know rocks exist in array as when I move my code to draw a rock in the switch statment where the wall is, it doesn't draw a rock there either. Help Please

import javax.swing.*;
import java.awt.*;
import java.awt.geom.Ellipse2D;
import java.awt.geom.Rectangle2D;

public class BoulderDash extends JPanel {
	int levels;
	static int WIDTH = 40;
	static int HEIGHT = 22;
	static BDTile[][] currentLevel = new BDTile[WIDTH][HEIGHT];
	BDLevelReader bd;
	JPanel[][] cell = new JPanel[WIDTH][HEIGHT];
	Rectangle2D.Double rec = new Rectangle2D.Double(40,40,30,30);
	Ellipse2D.Double rock = new Ellipse2D.Double();
	
	public BoulderDash() throws Exception {
		
		bd = new BDLevelReader();
		levels = bd.readLevels("levels.xml");
		bd.setCurrentLevel(levels);
		initLevel();
		
		this.setPreferredSize(new Dimension(800,700));
		this.setLayout(new GridLayout(WIDTH, HEIGHT));
		for (int i = 0; i < WIDTH; i++) {
			for (int j = 0; j < HEIGHT; j++){
				cell[i][j] = new JPanel();
				cell[i][j].setBorder(BorderFactory.createLineBorder(Color.GREEN));
				this.add(cell[i][j]);
			}
		}
		
	}
	
	public void initLevel() {  //sets the currentLevel 2D array for each level
	for (int i = 0; i < WIDTH; i++) {
		for (int j = 0; j < HEIGHT; j++){
			currentLevel[i][j] = bd.getTile(i,  j);
		}
	}
	}
	public void paintComponent(Graphics g) {
        super.paintComponent(g);
        Graphics2D g2 = (Graphics2D)g;
        setBorder(BorderFactory.createRaisedBevelBorder());
		for(int i = 0; i < WIDTH; i++) {
			for (int j = 0; j < HEIGHT; j++) {
				switch(currentLevel[i][j]) {
				case WALL:	
					cell[i][j].setBackground(Color.BLACK); 
					break;
				case ROCK:	
					rock.setFrame(cell[i][j].getX(), cell[i][j].getY(), cell[i][j].getWidth() -2, cell[i][j].getHeight() - 2);
					g2.setColor(Color.RED);
					g2.fill(rock);
					g2.draw(rock);
					break;
				default:	System.out.println("Not Wall");
				}	
			}
		}
	}
	
	public static void main(String[] args) throws Exception {
		BoulderDash b = new BoulderDash();
		JFrame f = new JFrame();
		f.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
	    f.add(b);
	    f.pack();
	    f.setLayout(new FlowLayout());
	    f.setVisible(true);   
	}
	
}

[DarrylBurke]

Moved from New to Java

First off, never call setBackground(...) or make any change of state in the GUI components form a painting method override.

Scond, we have no idea what your BDTile class looks like. To get better help sooner, post a SSCCE (Short, Self Contained, Compilable and Executable) example that demonstrates the problem. Not all your code.

db