Darren New wrote:
> But this still has to do all the render calculations, shadow 
> calculations, etc, yes?  So it won't really speed up an animation that 
> has many light sources but nothing moving other than the camera?

It will, because the scene doesn't need to be re-parsed each time, nor dor
that matter does the rendering engine need to start up or shut down for each
frame (it remains running). For a slow animation this wouldn't matter, but
for a fast render it can mean the difference between 5 fps and 50 fps.

-- Chris

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