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Subject: 
Re: 3D Transformations Architecture Question
Newsgroups: 
lugnet.cad
Date: 
Fri, 13 Jul 2007 17:57:29 GMT
Viewed: 
2040 times
  
In lugnet.cad, Travis Cobbs wrote:

   Sorry. I guess I didn’t fully understand why you wanted to do the pre-multiplies. Hopefully this reply will be closer to what you are looking for.

Thanks Travis, that’s *exactly* the info I was looking for. I think I’m going to go ahead and store each object’s matrix, as well as the camera and projection matrices, updating any of them only when adjustments are made to the appropriate objects, and I’ll perform the transformation calcs every time for every object during the draw routine.Your numbers suggest there is no benefit from storing the transformed data. Thanks again for all the detail.

J



Message is in Reply To:
  Re: 3D Transformations Architecture Question
 
(...) Sorry. I guess I didn't fully understand why you wanted to do the pre-multiplies. Hopefully this reply will be closer to what you are looking for. LDView 1.0 did exactly what you suggest. It calculated the final coordinates for every single (...) (17 years ago, 13-Jul-07, to lugnet.cad, FTX)

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