diff options
Diffstat (limited to '')
-rw-r--r-- | src/math/Vector.cpp | 15 | ||||
-rw-r--r-- | src/math/Vector.h | 9 | ||||
-rw-r--r-- | src/math/VuVector.h | 4 |
3 files changed, 25 insertions, 3 deletions
diff --git a/src/math/Vector.cpp b/src/math/Vector.cpp index ee76e555..e29d4335 100644 --- a/src/math/Vector.cpp +++ b/src/math/Vector.cpp @@ -44,3 +44,18 @@ operator*(const CMatrix &mat, const CVector &vec) mat.ry * vec.x + mat.fy * vec.y + mat.uy * vec.z + mat.py, mat.rz * vec.x + mat.fz * vec.y + mat.uz * vec.z + mat.pz); } + +void +RwV3dTransformPoints(CVector * pointsOut, const CVector * pointsIn, RwInt32 numPoints, const RwMatrix * matrix) +{ + while(numPoints--){ + float x = pointsIn->x*matrix->right.x + pointsIn->y*matrix->up.x + pointsIn->z*matrix->at.x + matrix->pos.x; + float y = pointsIn->x*matrix->right.y + pointsIn->y*matrix->up.y + pointsIn->z*matrix->at.y + matrix->pos.y; + float z = pointsIn->x*matrix->right.z + pointsIn->y*matrix->up.z + pointsIn->z*matrix->at.z + matrix->pos.z; + pointsOut->x = x; + pointsOut->y = y; + pointsOut->z = z; + pointsOut++; + pointsIn++; + } +} diff --git a/src/math/Vector.h b/src/math/Vector.h index 02128454..87895806 100644 --- a/src/math/Vector.h +++ b/src/math/Vector.h @@ -1,8 +1,12 @@ #pragma once +// TODO(LCS): this should have 16 byte alignment but VS doesn't like passing aligned values by value +// need a solution for this eventually if we ever want to load original assets class CVector : public RwV3d { public: + float w; + CVector(void) {} CVector(float x, float y, float z) { @@ -126,4 +130,7 @@ class CMatrix; CVector Multiply3x3(const CMatrix &mat, const CVector &vec); CVector Multiply3x3(const CVector &vec, const CMatrix &mat); -CVector operator*(const CMatrix &mat, const CVector &vec);
\ No newline at end of file +CVector operator*(const CMatrix &mat, const CVector &vec); + +// we need this because CVector and RwV3d have different size now +void RwV3dTransformPoints(CVector * pointsOut, const CVector * pointsIn, RwInt32 numPoints, const RwMatrix * matrix); diff --git a/src/math/VuVector.h b/src/math/VuVector.h index 41584095..ccaa4cfb 100644 --- a/src/math/VuVector.h +++ b/src/math/VuVector.h @@ -3,10 +3,10 @@ class TYPEALIGN(16) CVuVector : public CVector { public: - float w; +// float w; // in CVector now CVuVector(void) {} CVuVector(float x, float y, float z) : CVector(x, y, z) {} - CVuVector(float x, float y, float z, float w) : CVector(x, y, z), w(w) {} + CVuVector(float x, float y, float z, float w) : CVector(x, y, z)/*, w(w)*/ { this->w = w;} CVuVector(const CVector &v) : CVector(v.x, v.y, v.z) {} CVuVector(const RwV3d &v) : CVector(v) {} /* |