import javax.swing.JFrame;
import java.awt.*;


public class FroggerSimulator {
	private static final int FRAME_WIDTH = 600;
	private static final int FRAME_HEIGHT =300;

	public static void main (String [] args) {
		
		System.err.flush();
	JFrame frame = new JFrame ("Frogger Simulator");
	frame.setSize (FRAME_WIDTH, FRAME_HEIGHT);
	

	Grid grid = new Grid (20, 8);
	  
	Simulator ca = new Simulator (FRAME_HEIGHT, FRAME_WIDTH, grid);
	
	Container content = frame.getContentPane ();
	
	// Add classes to the simulation.  
	ca.addClass ("CarMover");
	

	if (content != null) {
		content.add (ca, BorderLayout.CENTER);
		frame.addKeyListener(ca);
	} else {
		System.err.println ("ERROR: No content pane");
		}

		frame.show ();
	}
}