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Thread: Does this look ok for a game layout?

  1. #1
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    Default Does this look ok for a game layout?

    I wasn't sure where to post but this is the closest. I would just like to get some opinions on this game layout code before I start. Just in case I may have forgotten something important before I start. Thanks

    The class that is run from a browser or in a jar file in a local system:
    import java.awt.Dimension;
    import javax.swing.JApplet;
    import javax.swing.JFrame;
     
     
    @SuppressWarnings("serial")
    public class Game extends JApplet
    {
     
    	public Game()
    	{
    		setLayout(null);
    	}
     
    	public void init()
    	{
    		add(new Screen());
    	}
     
    	public static void main(String [ ] args)
    	{
    	      JFrame frame = new JFrame("Game");
    	      frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
    	      frame.setMinimumSize(new Dimension(800, 600));
    	      frame.add(new Screen());
    	      frame.pack();
    	      //frame.setResizable(false);
    	      frame.setVisible(true);
    	}
     
    }

    And the screen (Basically the mainframe of the game):
    import java.awt.Color;
    import java.awt.Graphics;
    import java.awt.Graphics2D;
    import java.awt.Rectangle;
     
    import javax.swing.BorderFactory;
    import javax.swing.JPanel;
     
     
    @SuppressWarnings("serial")
    public class Screen extends JPanel
    implements Runnable //And Listeners later on
    {
    	int ScreenWidth, ScreenHeight;
     
    	public Screen()
    	{
    		ScreenWidth=800; ScreenHeight=600;
    		this.setBounds(0, 0, ScreenWidth, ScreenHeight);
    		this.setBorder(BorderFactory.createTitledBorder("Game"));
     
    		//Load Stuff...
     
    		Thread thread = new Thread(this);
    		thread.start();
    	}
     
    	public void run()
    	{
    		boolean isRunning = true;
     
    		while(isRunning)
    		{
    			//Update Character positions
     
    			//repaint()
    			try
    			{
    				Thread.sleep(10);
    			} catch (InterruptedException e){}
    		}
    	}
     
    	public void paintComponent(Graphics g)
    	{
    		Graphics2D g2 = (Graphics2D)g;
    		g2.setColor(Color.white);
    		g2.fill(new Rectangle(0, 0, ScreenWidth, ScreenHeight));
    		//painting will be done here...
    	}
     
    }


  2. #2
    Junior Member HandgunSally's Avatar
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    Default Re: Does this look ok for a game layout?

    Looks solid to me. Good luck!

  3. #3
    Administrator copeg's Avatar
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    Default Re: Does this look ok for a game layout?

    Be very careful when performing animation using multi-threading. Make sure GUI updates are defined thread-safe in the API, or dispatch them to the EDT using SwingUtilities. Alternatively, use a Swing Timer to time the animation for you, depending upon how much periodic work needs to be done

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