"Bald Eagle" <cre### [at] netscapenet> wrote:
> "jr" <cre### [at] gmailcom> wrote:
> Right-o. I just got a quick demo scene posted before it dropped off the
> > for the 'pulleys', in addition to centre + radius, having a texture would be
> > cool. either as a "parallel" array, or perhaps using the new mixed array type.
> > now wondering how one could prepare for/support animation.
> Well there's no reason that can't be appended to the scene.
> Just make a cylinder or disc right below the circle array.
> Or a separate texture array that will use the current loop value in the arc/line
> plotting section.
> > if a start and end point get specified, that would get a "cable", while no
> > points would be a "belt", ie closed. either way, the belt/cable goes around a
> > pulley either clockwise or counter (a boolean), so could be represented as an
> > array of floats for automatic "routing", 'N.0' for clockwise and 'N.1' for the
> > reverse, where N is the pulley array index.
> There are two portions of the post-calculation section. one to make the
> bezier-arcs, one to make all 4 (if they exist) tangents.
> I have oh-so much of that in the developmental "full" version. The logic and
> flags and texturing is bewildering, thus, the cut-down version.
> See the original developmental renders with the colored lines, arcs, and the
> color coded oriented/Boolean directional final belt path.
won't look at the code too closely for now. just .. speculating. :-)
> > anyway. will be happy to do testing and help document, and what other (small)
> > help I can give.
> I'd say that the best help at the moment might be to just look it over and do a
> parallel implementation, starting from what I posted. That would give me new
> ideas for how to process the data, and other things with what to do with the
> results that I might not have thought of yet.
will do this, sometime nearer weekend. sorry.
> Also, asking any questions you may have about specific bits of the code would
> help me document it, and in the process re-read and re-think what I've already
> Certainly I'd love to work out the logic of animating it, and doing something
> like a toothed belt or chain to run along gears or sprockets.
just support for the pulley rotation should do, I think.
> I haven't done much pathological case testing, because it's already a miracle
> that it even works at all.
will play with it etc. cheers.
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