[osg-users] Real time Strobing effect for on screen animation

[Robert Osfield]

Hi Rakesh,

Is the figure something you animating and rendering in 3D? Or are you
playing a video on a textured quad for the animation?

Robert.

On 19 October 2017 at 14:12, Rakesh Prasad <rptutor2012 at gmail.com> wrote:

> Hi,
> I am trying to achieve the strobing effect with OSG for an animation that
> I play on screen.
> I have the animation of a moving human. I want to have all past frames
> displayed along with the current frame. This will show the motion path as
> the human moves on screen.
> I tried to do a screen capture and superpose a buffer with the latest
> render buffer. I also take care that the background pixel are not
> superposed. Only the areas where the human animation is there those pixels
> are superposed.
> This gives me a final static image with strobing effect. This image is
> overlayed on the window.
>
> I want to see the strobing effect as the animation plays.
> The attached picture shows what I am trying to achieve the screen will
> keep updating with the new motion frames.
>
> Is there any way to achieve this. Any thought would very much appreciated.
> ...
>
> Thank you!
>
> Cheers,
> Rakesh
>
> ------------------
> Read this topic online here:
> http://forum.openscenegraph.org/viewtopic.php?p=72203#72203
>
>
>
>
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