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On 21/12/2008 at 15:02, xxxxxxxx wrote:
User Information: Cinema 4D Version: 11 Platform: Mac OSX ; Language(s) : C++ ;
--------- I need the derivative of a CCurve at a random point (not necessarily a key point).
CalcHermite() works fine for the original function but not for the derivative. If I draw a straight line in the timeline the results of the derivative should be constant but they are not.
Is this a bug or am I missing something?
Thanks in advance Macm
On 06/01/2009 at 09:02, xxxxxxxx wrote:
Make sure to get the tangents of the keys with CCurve::GetTangents(). Also check for the different interpolation types (linear, step). For these you have to calculate the derivative yourself.
cheers, Matthias