Refactor engine to support double-precision vectors

Source/Engine/Graphics/Models/ModelLOD.h

@@ -80,7 +80,7 @@ public:
     /// <param name="normal">When the method completes, contains the intersection surface normal vector (if any valid).</param>
     /// <param name="mesh">Mesh, or null</param>
     /// <returns>True whether the two objects intersected</returns>
-    bool Intersects(const Ray& ray, const Matrix& world, float& distance, Vector3& normal, Mesh** mesh);
+    bool Intersects(const Ray& ray, const Matrix& world, Real& distance, Vector3& normal, Mesh** mesh);
 
     /// <summary>
     /// Get model bounding box in transformed world for given instance buffer