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Nikolay Korolev
2019-06-23 01:34:11 +03:00
parent 0126bef9a1
commit 98cc8a434c
3 changed files with 71 additions and 4 deletions
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34
src/math/Matrix.h
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@ -246,3 +246,37 @@ Multiply3x3(const CMatrix &mat, const CVector &vec)
mat.m_matrix.right.y * vec.x + mat.m_matrix.up.y * vec.y + mat.m_matrix.at.y * vec.z,
mat.m_matrix.right.z * vec.x + mat.m_matrix.up.z * vec.y + mat.m_matrix.at.z * vec.z);
}
class CCompressedMatrixNotAligned
{
CVector m_vecPos;
int8 m_rightX;
int8 m_rightY;
int8 m_rightZ;
int8 m_upX;
int8 m_upY;
int8 m_upZ;
public:
void CompressFromFullMatrix(CMatrix &other)
{
m_rightX = 127.0f * other.GetRight()->x;
m_rightY = 127.0f * other.GetRight()->y;
m_rightZ = 127.0f * other.GetRight()->z;
m_upX = 127.0f * other.GetForward()->x;
m_upY = 127.0f * other.GetForward()->y;
m_upZ = 127.0f * other.GetForward()->z;
m_vecPos = *other.GetPosition();
}
void DecompressIntoFullMatrix(CMatrix &other)
{
other.GetRight()->x = m_rightX / 127.0f;
other.GetRight()->y = m_rightY / 127.0f;
other.GetRight()->z = m_rightZ / 127.0f;
other.GetForward()->x = m_upX / 127.0f;
other.GetForward()->y = m_upY / 127.0f;
other.GetForward()->z = m_upZ / 127.0f;
*other.GetUp() = CrossProduct(*other.GetRight(), *other.GetForward());
*other.GetPosition() = m_vecPos;
other.Reorthogonalise();
}
};