Heh. Now how's about 'omega'? Never mind, I'm only kidding.
PoD wrote:
>
> Steven Jones wrote:
> >
> > How does lambda work?
>
> Here's a simple explanation of what happens when turbulence is applied.
>
> First get the intersection point of the camera ray and the first object
> it hits.
> Now apply turbulence. The following steps are applied a number of times
> specified by octaves.
> Move the point a distance determined by the turbulence amount.
> Multiply the turbulence amount by omega.
> Select a new direction to move the point. Lambda determines how much
> this new direction varies from the previous one.
>
> After octaves steps, take the value of the pattern at this point and
> apply it to the intersection point.
>
> So a high lambda makes the point take a very jagged path through pattern
> space and low lambda makes the path fairly straight.
>
> The final effect is that you tend to get gentle waves in the pattern
> with low lambda and more crinkly effects with high lambda.
>
> Cheers, PoD.
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