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AcidKor

3DS Max Rotation Controller

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Hello Another topic about max sdk ... I''am working on my animation system and I can get position, rotation and scale keys in TCB, linear and Bezier mode. For translation (linear and bezier) and rotation (linear) all work perfectly. But I have some problem to replay the animation when the rotations are in TCB or bezier mode. In this modes I have to use quaternion squad to interpolate between the keys but I doesn''t know how to get the quaternion tangent from max sdk. I try to use D3DX function to generate this tangent but when the rotation are too large (>90°) it''s doesn''t work. Maybe I use incorectly D3DX so here how I generate tangent with D3DX: Keyframe Exported from max : Q1 Q2 Q3 Q4 Q5 .... So when i want to interpolate between Q3 and Q4 I call : D3DXQuaternionSquadSetup(&A, &B, &C, &Q2, &Q3, &Q4, &Q5); then I call : D3DXQuaternionSquad(&Qres, &Q2, &A, &B, &C, t); The max sdk doc speak about some file called "tcbInterp.cpp" and "interp.cpp" avaible for sparks registered users. But I''am not registered to spark and I think this files will help me a lot. If someone can post me this files or have an idea to correctly create the tangent it will help me a lot. Many thanks in advance AcidKor foucher.jerome@wanadoo.fr

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Don''t crosspost. Choose one forum and post your question once. Posting the same question multiple times will only lead to confusion.

quote:

If someone can post me this files


If those files are not publicly available from Discreet, then this would be a violation of the Sparks developer agreement, as well as copyright infringement.

/ Yann

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