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On 11/12/2002 at 09:26, xxxxxxxx wrote:
User Information: Cinema 4D Version: 8.012 Platform: Windows ; Language(s) : C++ ;
--------- Hi, how can I rotate the tangents of a bezier spline? I don´t know how to handle the tangent[x].vl and .vr vectors. In cinema it´s definetly easier Thanks Samir
On 11/12/2002 at 09:50, xxxxxxxx wrote:
Just treat them as ordinary vectors in object space. How exactly do you want to rotate them?
On 11/12/2002 at 09:56, xxxxxxxx wrote:
well, I am calculating a rotationvector from a splinetangent with:
Vector rot = obj->GetSplineTangent(obj->UniformTonatural(x*(lenght/4)/length),0);
Now I want to rotate the tangents with this rotationvector. I tried this with
objt[0].vl *= rot; objt[0].vr *= rot;
but that doesn´t work.
On 11/12/2002 at 11:08, xxxxxxxx wrote:
Use ^= since vl and vr are vectors not points. And I see no rotation matrix, just a rotation vector. (vector * vector = dot product) Use RotAxisToMatrix() before multiplying.
On 12/12/2002 at 08:34, xxxxxxxx wrote:
thanks I will try that. And another question without the need to open a new thread. I have a LINK Description for my plugintag, but how to retrieve the dropped object? Thanks Samir
On 12/12/2002 at 08:52, xxxxxxxx wrote:
or of a string field from a STRING description. String str = data->GetString(ID); or String str; data->GetString(ID,str); do both not work.
On 12/12/2002 at 10:10, xxxxxxxx wrote:
I tried this but it doesn´t seem to work either. In the doc example there is a t_data instead of my data, but I have no clue what it is good for. Help please... Bool DPTransfer::Message(GeListNode *node,LONG type,void *data) { if (type == MSG_DESCRIPTION_CHECKDRAGANDDROP) { DescriptionCheckDragAndDrop *dcu = static_cast<DescriptionCheckDragAndDrop*>( data ); //t_data?? switch (dcu->id[0].id) { case DPT_BASE_FOUND: dragged = (BaseObject* )dcu->element; return TRUE; } } return TRUE; }
On 12/12/2002 at 10:24, xxxxxxxx wrote:
ok sorted it. It works exactly like that. Only my fault. Thanks anyway for looking. g*
On 02/05/2005 at 06:25, xxxxxxxx wrote:
Hi All, Works for me to sofar, but here you check for a object hoovering above the Link. It can be used to accept or refuse the hoovering object. Now, how do i find out when the object is finally dropped. There seem to be no message for that. Thanks
On 03/05/2005 at 02:15, xxxxxxxx wrote:
Wouldn't that be an ordinary SetDParameter() call?
On 03/05/2005 at 11:21, xxxxxxxx wrote:
Hi Mikael, Thanks for your answer but a GePrint("Bingo") does not appear in my console with the SetDParameter() call. A lot of Bingo's in the tags Message function, listening to MSG_DESCRIPTION_CHECKDRAGANDDROP on hoovering. (i have a Description res Linkbox, its for the AM) What am i doing wrong? Thanks,