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JPAMath work

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This commit is contained in:
Jasper St. Pierre
2023-12-30 19:17:27 -08:00
parent faca18a93f
commit 34b646feb8
1 changed files with 10 additions and 5 deletions
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src/JSystem/JParticle/JPAMath.cpp
+10 -5
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@@ -8,6 +8,8 @@
#include "JSystem/JMath/JMATrigonometric.h"
#include "dolphin/types.h"
static const f32 dummy[1] = { 1.0f };
/* 8025991C-802599A0 .text JPAGetYZRotateMtx__FssPA4_f */
void JPAGetYZRotateMtx(s16 y, s16 z, Mtx dst) {
f32 cosY = JMASCos(y);
@@ -83,11 +85,14 @@ void JPAGetDirMtx(const JGeometry::TVec3<f32>& dir, Mtx dst) {
/* 80259B6C-80259C90 .text JPASetSVecfromMtx__FPA4_fRQ29JGeometry8TVec3<f> */
void JPASetSVecfromMtx(Mtx mtx, JGeometry::TVec3<f32>& scale) {
/* Nonmatching */
JGeometry::TVec3<f32> tmp;
scale.x = sqrtf(mtx[0][0] * mtx[0][0] + mtx[1][0] * mtx[1][0] + mtx[2][0] * mtx[2][0]);
scale.y = sqrtf(mtx[0][1] * mtx[0][1] + mtx[1][1] * mtx[1][1] + mtx[2][1] * mtx[2][1]);
scale.z = sqrtf(mtx[0][2] * mtx[0][2] + mtx[1][2] * mtx[1][2] + mtx[2][2] * mtx[2][2]);
f32 m00 = mtx[0][0], m10 = mtx[1][0], m20 = mtx[2][0];
scale.x = JGeometry::TUtil<f32>::sqrt(m00*m00 + m10*m10 + m20*m20);
f32 m01 = mtx[0][1], m11 = mtx[1][1], m21 = mtx[2][1];
scale.y = JGeometry::TUtil<f32>::sqrt(m01*m01 + m11*m11 + m21*m21);
f32 m02 = mtx[0][2], m12 = mtx[1][2], m22 = mtx[2][2];
scale.z = JGeometry::TUtil<f32>::sqrt(m02*m02 + m12*m12 + m22*m22);
}
/* 80259C90-80259CB8 .text JPASetRMtxTVecfromMtx__FPA4_fPA4_fRQ29JGeometry8TVec3<f> */