On 09/07/2018 00:40, Bald Eagle wrote:
> 
> So, it was good that I revisited this, as there were some corrections I needed
> to do, and the bozo pattern was pretty bad at showing what I wanted.
> 
> Here's an animation of a rolling sphere - the sphere travels through a long box,
> and the coloration of the intersection of the sphere and box is determined by
> the r, g, and b values calculated from the values of the agate pattern at each
> point and converted to a [correct] HSV spectrum.
> 
> I hope you like it, and if you provide more of a description of what you're
> envisioning, that would make implementing it much more straightforward.  :)
> 
> (this is at 15 frames / sec - I can do it at 5 as well, but this looks much
> smoother)
> 
> Back to work tomorrow   :(   but the heat has broken (for now) and hopefully the
> rest of the week goes smoothly.
> Hope everything is going well for you IRL.
> 

Not a criticism but an observation.
What the animation looks like to me. Is that the sphere's media is in 
"world space*" as opposed to "object space". There is no indication of 
the sphere rolling.

My vision of what is required would be better shown using regular 
patterns rather than random-ish ones.
Consider a sphere with a media based on a spiral density pattern rolling 
through the box with a horizontal colour gradient. The resultant image 
would be additive or subtractive.
My best guess from your description. It looks like you are doing it the 
hard way. :)


*
"world space" & "object space" were terms used by Moray. In object space 
the material moves with the object.


-- 

Regards
     Stephen

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