[GEM-dev] bicubic curve
Jack
jack at rybn.org
Sat May 21 18:11:32 CEST 2011
Seems to work fine here.
Thanx for this new geo.
++
Jack
Le samedi 21 mai 2011 à 01:01 +0200, cyrille henry a écrit :
> hello,
>
> i finally had time to work on a new primitive for Gem. I wanted it for almost 10 years!
> so, i'm glad to present the surface3d that is a bi-cubic curve.
> it's almost like the curve3d primitive, except that the curve pass throw all control points.
> (well, i choose not to draw the curve between control point 0 and 1, and control_point_max-1 to control_point_max, because the cubic interpolation is not well defined on this intervals)
> an other advantage is that this object is not hardware limited for the number of control point.
>
> the drawback is that it can be quite slow to compute normals.
>
>
> code is maybe not as clean as one can expect, but it should work.
>
> surface3d is on gem svn. any comment are welcome.
>
> Cheers
> Cyrille
>
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