i have read vb part of the new tutorial.
i have some problems with the chapter points and vectors.
i tried to creat a line which is tangent from a given curve on certain t parameter.
i get stucked when i get an on3dpoint from the curve class-- curve.tangentat(t)
this appear to me is a on3dpoint. not sure though.
i used the one on tutorial : dim dir_vector as new on3dvector = p1-p0
the output said 'end statement expected‘
and i also wandered if i need something like rhino.pointadd in VB.net
what should i do?
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