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This commit is contained in:
Nishi 2026-01-27 22:59:53 +09:00
commit f325b6c303
Signed by: nishi
GPG key ID: 27EF69B208EB9343
2 changed files with 9 additions and 1 deletions
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8
engine/src/math.c
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@ -54,6 +54,14 @@ void GSMathAdd3(GSVector3 r, GSVector3 v0, GSVector3 v1) {
void GSMathNormal3x3(GSVector3 r, GSVector3 v0, GSVector3 v1, GSVector3 v2) {
GSVector3 t0, t1;
/**
* this used to be:
* (v1 - v0) * (v2 - v0)
*
* why do i have to do this now? i know it is because of +z front
* but why?
*/
GSMathSubtract3(t0, v1, v2);
GSMathSubtract3(t1, v0, v2);