Rune <run### [at] mobilixnetdk> wrote:
> I've done that before and it's not that slow. However, a solution I'd like
> to try is to return a new spline which has many more control points than the
> original and where those control points are arranged to give constant speed.
> This too is just an approximation, but it would be faster, as the
> calculations would only need to be done once, and it could also be made
> completely transparent to the user, who will call the spline like normal,
> without the need for macros once the spline has been created.

  That's an interesting idea worth testing.

  I just wonder if it will change the shape of the spline if you add
additional control points in the middle of it (even if they are exactly on
the original spline). Perhaps not, but you never know...

-- 
#macro M(A,N,D,L)plane{-z,-9pigment{mandel L*9translate N color_map{[0rgb x]
[1rgb 9]}scale<D,D*3D>*1e3}rotate y*A*8}#end M(-3<1.206434.28623>70,7)M(
-1<.7438.1795>1,20)M(1<.77595.13699>30,20)M(3<.75923.07145>80,99)// - Warp -

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