Re: [gl4java-usergroup] Re: gl4java-usergroup digest, Vol 1 #105 - 4 msgs

[Artiste on t. W. <a1...@So...>]

Stuart Fischer wrote:
> > I have discover that the multi-threading can slow down the rendering !
> > Java may wait before really doing the rendering in the rendering thread,
> > and may coalesce rendering. Each frame in my game, i call a rendering,
> > but java coalesce them and i have only 1 real rendering for about 30-60
> > frames...
> Maybe I don't understand your problem, but I don't know if it is related to
> multithreading.
> 
> Are you calling repaint() once per frame in your game loop and calling
> sDisplay() in your paint() (or update()) method?
> 
> If so, Java WILL coalesce rendering.
> 
> If this describes your situation, call sDisplay() instead of repaint() in
> your game loop.

It is OK ! Thanks !

My FPS was about 7 and now it has risen to more than 100 !!!

> Simple example:
> 
> public class Game extends GLCanvas implements Runnable {
>   boolean gameOver = false;
> 
>   public void run() {
>     while(!gameOver) {
>        updateGameStateForFrame();
>        sDisplay();  // DON'T call repaint()!
>     }
>   }
> 
>   public void paint(Graphics g) {
>     sDisplay();
>   }

(I can't do this because paint is final in GLCanvas)

>     // REST OF Game Class (display()...) goes here
> }
> 
> Stuart

A11W