Implement by-Reference operators

include/J3ML/LinearAlgebra/Vector2.h

@@ -6,9 +6,6 @@
 namespace J3ML::LinearAlgebra {
     using namespace J3ML;
 
-
-
-
     /// A 2D (x, y) ordered pair.
     class Vector2 {
     public:
@@ -16,6 +13,7 @@ namespace J3ML::LinearAlgebra {
         Vector2();
         /// Constructs a new Vector2 with the value (X, Y)
         Vector2(float X, float Y);
+        Vector2(float* xyPtr);
         Vector2(const Vector2& rhs);   // Copy Constructor
         //Vector2(Vector2&&) = default;   // Move Constructor
 
@@ -31,6 +29,11 @@ namespace J3ML::LinearAlgebra {
         void SetX(float newX);
         void SetY(float newY);
 
+        float* ptr()
+        {
+            return &x;
+        }
+
         Vector2 Abs() const;
 
         bool IsWithinMarginOfError(const Vector2& rhs, float margin=0.001f) const;
@@ -39,7 +42,8 @@ namespace J3ML::LinearAlgebra {
         bool IsZero(float epsilonSq = 1e-6f) const;
         bool IsPerpendicular(const Vector2& other, float epsilonSq=1e-5f) const;
 
-        float operator[](std::size_t index);
+        float operator[](std::size_t index) const;
+        float &operator[](std::size_t index);
         bool operator == (const Vector2& rhs) const;
         bool operator != (const Vector2& rhs) const;
 
@@ -74,10 +78,6 @@ namespace J3ML::LinearAlgebra {
         static float Magnitude(const Vector2& of);
 
 
-
-
-
-
         bool IsFinite() const;
         static bool IsFinite(const Vector2& v);