ARTis wrote:
> 
> > > Isn't ratracing simulation of light?
> >
> > No. Ratracing is where you take two of more rats and have them compete
> > in a race. Betting is usually involved. :)
> 
> And what is rayacing? (:

Raytracing is essentially shooting imaginary rays of light out into space.
When one of those imaginary rays of light intersects something a pixel color
is returned to the screen depending upon the shape, color, and surface
properties described for that object. One could call it the simulation
of light but it does not truly model the physical properties of light as
one would expect from a scientific light modelling program. Raytracing
deals more with object properties than it does light properties.
Certainly there is an overlap that occurs to accomplish this but I
don't think calling Raytracing a "simulation of light" an accurate all
encompassing statement.

-- 
Ken Tyler

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