Use static linking instead of dynamic linking

include/core/Basis.hpp

@@ -1,16 +1,6 @@
 #ifndef BASIS_H
 #define BASIS_H
 
-#if defined(_WIN32)
-#  ifdef _GD_CPP_CORE_API_IMPL
-#    define GD_CPP_CORE_API __declspec(dllexport)
-#  else
-#    define GD_CPP_CORE_API __declspec(dllimport)
-#  endif
-#else
-#  define GD_CPP_CORE_API
-#endif
-
 #include "Defs.hpp"
 
 #include "Vector3.hpp"
@@ -19,10 +9,12 @@ namespace godot {
 
 class Quat;
 
-class GD_CPP_CORE_API Basis {
+class Basis {
 public:
-
-	Vector3 elements[3];
+	union {
+		Vector3 elements[3];
+		Vector3 x, y, z;
+	};
 
 	Basis(const Quat& p_quat); // euler
 	Basis(const Vector3& p_euler); // euler