AnimationScheduler.requestAnimationFrame example

Hi Everyone,

I am beginning to learn WebGL development using GWT using gwtgl.

I am not able to get the requestAnimationFrame working to render my scene regularly.

Could someone please take a look at it and offer some advice?

Code:

Mygwtgl.java

public class Mygwtgl implements EntryPoint, AnimationScheduler.AnimationCallback {

...

private Redraw redraw;

    private void start() {

...

redraw = new Redraw();

redraw.requestAnimationFrame(this);

}

public void execute(double timestamp) {

drawScene();

}

}

Redraw.java

public class Redraw extends AnimationScheduler {

private AnimationScheduler.AnimationHandle hAnimScheduler;

public Redraw() {

hAnimScheduler = new AnimationScheduler.AnimationHandle() {

@Override

public void cancel() {

// TODO Auto-generated method stub

}

};

}

public AnimationScheduler.AnimationHandle requestAnimationFrame(AnimationScheduler.AnimationCallback cb, Element e) {

                // cb.execute() works here but only once, not getting scheduled regularly

                //

return hAnimScheduler;

}

}

I do not have much programming experience with java and I am not sure whether this is the correct way to use requestAnimationFrame().

The callback doesn't seem to be scheduled,

I really appreciate any advice in this regard.

-br

Arun

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