Severi Salminen wrote:

> Yeah. Just search google:
> 
> path tracing
> monte carlo path tracing
> bidirectional path tracing
> etc.

None of those are search terms I thought to try...

> Basically it is this simple:
> 
> 1. You shoot ray to scene and let it bounce randomly as it wants based on
> material characteristics.
> 2. Repeat many times.

Right. So trace rays, let them bounce off diffuse surfaces at 
semi-random angles, and gradually total up the results for all rays?

Presumably that won't work with point-lights though? (You'd never hit any!)

-- 
http://blog.orphi.me.uk/
http://www.zazzle.com/MathematicalOrchid*

Post a reply to this message