thanks!
audio-distorting a nurbs sphere looks really cool.
it needs a bit of lowpass filtering, otherwise it hurts the eyes.
i'll post the finished code shortly
cheers
evan
On Jan 26, 2010, at 12:11 PM, gabor papp wrote:
The trouble is, I want to fit the surface dimensions to a specific
audio buffer size, so I need the number of control points to fit a
certain number, rather than the other way around.
if you build the sphere using (build-nurbs-sphere h r) then pdata-
size will be (h + 3) * r.
if you only want to work with the horizontal segments as you did in
the example you just make the sphere horizontal segments three less
than the audio buffer size.
if you want to fit each element of the audio buffer to a separate
nurbs knot, knowing the audio buffer size, and provided that h = r,
this is a quadratic equation: x^2 + 3x = buffersize.
hope this helps.
gabor
