 | | LDraw Math Question?? —Kyle McDonald
| | | | Hi. I'm having a few problems with the LDraw coordinate/rotation system. I understand that LDraw 'world' coordinates follow the following: -X is on the left. +X is on the right. -Y is up +Y is down -Z is into the screen +Z is out of the screen To me (...) (22 years ago, 26-Sep-02, to lugnet.cad)
| | | | | | | | | | Re: LDraw Math Question?? —Steve Bliss
| | | | | (...) When rotating around X, +Y -> +Z. When rotating on Y, +Z -> +X. For Z, it's +X -> +Y. (...) It doesn't matter (I think) - you get the same results either way. Personally, I program with the vertices as a row vector on the left: [x1 y1 z1 1] (...) (22 years ago, 26-Sep-02, to lugnet.cad)
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