Hey @Jonathan_Blow @cmuratori I was watching your stream on animations - FYI, you actually can do a change of basis via similarity transform without affecting all intermediate systems, I wrote up how to do it here (see the "one weird trick" section):https://towardsdatascience.com/change-of-basis-3909ef4bed43 …
This is the correct solution to the problem and prevents all run-time problems, and is free. However again, it has _literally nothing to do_ with what Jon was doing, which was needing to change a communication point because he wanted two systems to work in opposite bases.
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Well, I disagree, and it's not theoretical, I've carefully verified both are correct and equivalent, in theory and practice. Maybe some day we'll discuss it face to face and I'll have a chance to explain, it's not an easy topic for twitter.
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And just to clarify one point: the camera transform is only required if the camera also comes from the foreign coord sys, otherwise you can just user your normal camera setup and mix-and-match assets from different coordinate systems.
End of conversation
New conversation -
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