[Fluxus] nurbs explode FAIL

[evan.raskob [lists]]

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