Add assertions for checking against un-normalized direction vectors

Source/Engine/Core/Math/Quaternion.cpp

@@ -289,6 +289,7 @@ void Quaternion::Billboard(const Float3& objectPosition, const Float3& cameraPos
 
 Quaternion Quaternion::FromDirection(const Float3& direction)
 {
+    ASSERT(direction.IsNormalized());
     Quaternion orientation;
     if (Float3::Dot(direction, Float3::Up) >= 0.999f)
     {

Source/Engine/Core/Math/Ray.h

@@ -46,6 +46,7 @@ public:
         : Position(position)
         , Direction(direction)
     {
+        ASSERT(Direction.IsNormalized());
     }
 
 public: