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Re: Trails ...



do you have a picture of a ball moving on the screen with qc or do you
have a movie of a moving ball?

On Nov 29, 2007 6:37 PM, Jack Hayward <email@hidden> wrote:
> Hello everyone,
> I am trying to implement an effect where I create ghost images that
> sit behind any object that moves across the screen.
> An effect that would turn a moving ball of light into a comet.
>
> I've been playing with the accumulator, and looked at example
> compositions and have not been able to get anything satisfactory yet.
> The closest thing is the "stix.qtz" example, but that is done by
> redrawing the primary image many times - not what I'm after.
>
> Can anyone offer help?
>
> Is there some GL code somewhere that'll do this?
>
>
> Thanks
> Jack
>
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-- 
Alexandre Van de Sande
www.wanderingabout.com
rio de janeiro

     ҉
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References: 
 >OpenGL error on first rendering in -[QCOpenGLContext willPushRenderState:] (From: Raphael Sebbe@Google <email@hidden>)
 >Re: OpenGL error on first rendering in -[QCOpenGLContext willPushRenderState:] (From: Pierre-Olivier Latour <email@hidden>)
 >Re: OpenGL error on first rendering in -[QCOpenGLContext willPushRenderState:] (From: "Raphael Sebbe" <email@hidden>)
 >Re: OpenGL error on first rendering in -[QCOpenGLContext willPushRenderState:] (From: "Raphael Sebbe" <email@hidden>)
 >Re: OpenGL error on first rendering in -[QCOpenGLContext willPushRenderState:] (From: Pierre-Olivier Latour <email@hidden>)
 >Trails ... (From: Jack Hayward <email@hidden>)



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