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josh
2024-04-04 20:00:23 -04:00
parent de108630b6
commit fb7aba71b1
12 changed files with 470 additions and 26 deletions
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30
src/J3ML/LinearAlgebra/Matrix3x3.cpp
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@@ -426,5 +426,35 @@ namespace J3ML::LinearAlgebra {
return GetColumn(index);
}
Matrix4x4 Matrix3x3::operator*(const Matrix4x4 &rhs) const {
auto lhs = *this;
Matrix4x4 r;
r[0][0] = lhs.At(0, 0) * rhs.At(0, 0) + lhs.At(0, 1) * rhs.At(1, 0) + lhs.At(0, 2) * rhs.At(2, 0);
r[0][1] = lhs.At(0, 0) * rhs.At(0, 1) + lhs.At(0, 1) * rhs.At(1, 1) + lhs.At(0, 2) * rhs.At(2, 1);
r[0][2] = lhs.At(0, 0) * rhs.At(0, 2) + lhs.At(0, 1) * rhs.At(1, 2) + lhs.At(0, 2) * rhs.At(2, 2);
r[0][3] = lhs.At(0, 0) * rhs.At(0, 3) + lhs.At(0, 1) * rhs.At(1, 3) + lhs.At(0, 2) * rhs.At(2, 3);
r[1][0] = lhs.At(1, 0) * rhs.At(0, 0) + lhs.At(1, 1) * rhs.At(1, 0) + lhs.At(1, 2) * rhs.At(2, 0);
r[1][1] = lhs.At(1, 0) * rhs.At(0, 1) + lhs.At(1, 1) * rhs.At(1, 1) + lhs.At(1, 2) * rhs.At(2, 1);
r[1][2] = lhs.At(1, 0) * rhs.At(0, 2) + lhs.At(1, 1) * rhs.At(1, 2) + lhs.At(1, 2) * rhs.At(2, 2);
r[1][3] = lhs.At(1, 0) * rhs.At(0, 3) + lhs.At(1, 1) * rhs.At(1, 3) + lhs.At(1, 2) * rhs.At(2, 3);
r[2][0] = lhs.At(2, 0) * rhs.At(0, 0) + lhs.At(2, 1) * rhs.At(1, 0) + lhs.At(2, 2) * rhs.At(2, 0);
r[2][1] = lhs.At(2, 0) * rhs.At(0, 1) + lhs.At(2, 1) * rhs.At(1, 1) + lhs.At(2, 2) * rhs.At(2, 1);
r[2][2] = lhs.At(2, 0) * rhs.At(0, 2) + lhs.At(2, 1) * rhs.At(1, 2) + lhs.At(2, 2) * rhs.At(2, 2);
r[2][3] = lhs.At(2, 0) * rhs.At(0, 3) + lhs.At(2, 1) * rhs.At(1, 3) + lhs.At(2, 2) * rhs.At(2, 3);
r[3][0] = rhs.At(3, 0);
r[3][1] = rhs.At(3, 1);
r[3][2] = rhs.At(3, 2);
r[3][3] = rhs.At(3, 3);
return r;
}
Vector2 Matrix3x3::operator*(const Vector2 &rhs) const {
return Transform(rhs);
}
}