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  combining transform matricies  (Read 1301 times)
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Offline moogie

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« Posted 2004-12-26 22:11:55 »

I know this is a pretty noobie question... am i correct in saying that transform matricies can be combined but matrix multiplication into on single transform matrix?

If so then i am getting very wrong results Sad

if not then could someone tell me how to go about combining these matricies?


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Offline Herkules

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« Reply #1 - Posted 2004-12-27 06:11:50 »

combining by multiplication is correct. But order matters (e.g. when 'combining' a translation and a rotation).

Another option is be to cascade tranfromgroups, but this is another thing.

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Offline moogie

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« Reply #2 - Posted 2004-12-27 20:05:43 »

I understand that order is important... my transform matricies have abritrary values in the 4x4 matrix. i.e. it can be a scale,translation,rotation or some or all of them.

I am leading to believe that my problem may not lie with the obvious (the translation matrix) and may be some where else.

Thanks anyway.


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