Unfinished Work

src/J3ML/LinearAlgebra/Matrix4x4.cpp

@@ -2,6 +2,9 @@
 #include <J3ML/LinearAlgebra/Vector4.h>
 
 namespace J3ML::LinearAlgebra {
+
+
+
     const Matrix4x4 Matrix4x4::Zero = Matrix4x4(0.f);
     const Matrix4x4 Matrix4x4::Identity = Matrix4x4({1,0,0,0}, {0,1,0,0}, {0,0,1,0}, {0,0,0,1});
     const Matrix4x4 Matrix4x4::NaN = Matrix4x4(NAN);
@@ -594,7 +597,41 @@ namespace J3ML::LinearAlgebra {
         At(3, 3) = data[15];
     }
 
-    void Matrix4x4::IsColOrthogonal() {
-
+    bool Matrix4x4::ContainsProjection(float epsilon) const {
+        return GetRow(3).Equals(0.f, 0.f, 0.f, 1.f, epsilon) == false;
     }
+
+    Vector4 Matrix4x4::Mul(const Vector4 &rhs) const {
+        return *this * rhs;
+    }
+
+    Vector3 Matrix4x4::Mul(const Vector3 &rhs) const {
+        return *this * rhs;
+    }
+
+    Vector2 Matrix4x4::Mul(const Vector2 &rhs) const {
+        return *this * rhs;
+    }
+
+    Vector4 Matrix4x4::operator[](int row) const {
+        return GetRow(row);
+    }
+
+    bool Matrix4x4::HasUniformScale(float epsilon) const {
+        Vector3 scale = ExtractScale();
+        return Math::EqualAbs(scale.x, scale.y, epsilon) && Math::EqualAbs(scale.x, scale.z, epsilon);
+    }
+
+    Vector3 Matrix4x4::ExtractScale() const {
+        return {GetColumn3(0).Length(), GetColumn3(1).Length(), GetColumn3(2).Length()};
+    }
+
+    bool Matrix4x4::IsColOrthogonal(float epsilon) const {
+        return IsColOrthogonal3(epsilon);
+    }
+
+    bool Matrix4x4::IsRowOrthogonal(float epsilon) const {
+        return IsRowOrthogonal3(epsilon);
+    }
+
 }