Implement Mat4x4::Swaps

2024-02-01 17:49:05 -05:00
parent 69ca7c5c05
commit 0597b4c937
4 changed files with 106 additions and 20 deletions
--- a/src/J3ML/LinearAlgebra/Matrix3x3.cpp
+++ b/src/J3ML/LinearAlgebra/Matrix3x3.cpp
@@ -300,5 +300,29 @@ namespace LinearAlgebra {
        return elems[row][col];
    }

+    Vector3 Matrix3x3::WorldZ() const {
+        return GetColumn(2);
+    }
+
+    Vector3 Matrix3x3::WorldY() const {
+        return GetColumn(1);
+    }
+
+    Vector3 Matrix3x3::WorldX() const {
+        return GetColumn(0);
+    }
+
+    Matrix3x3 Matrix3x3::FromRS(const Quaternion &rotate, const Vector3 &scale) {
+        return Matrix3x3(rotate) * Matrix3x3::Scale(scale);
+    }
+
+    Matrix3x3 Matrix3x3::FromRS(const Matrix3x3 &rotate, const Vector3 &scale) {
+        return rotate * Matrix3x3::Scale(scale);
+    }
+
+    Matrix3x3 Matrix3x3::FromQuat(const Quaternion &orientation) {
+        return Matrix3x3(orientation);
+    }
+
 }