DJ Wiza wrote:

> Just playing around here.  Made a disco ball by intersecting a bunch of 
> planes then made two spotlights pointing at it and shooting a ton of 
> photons.
> 
> The only problem with it is that in order to get caustics to show up 
> with more facets on the ball is to set an insanely high photon count. 
> Otherwise, the walls just get some brighter, but still very dim, patches 
>  of light, rather than the bright spots.

The beauty of a disco ball is that each tiny mirror can be simulated 
with its very own spotlight, the parameters for which can be calculated 
based on the location of the light shining on the ball and the location 
of the little mirror.

Your rendering times will probably go way down.

Regards,
John

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