Vector2 Vector2::Vector2(float X, float Y) Vector2::Vector2(void) Vector2::Vector2(const Vector2 &v)

VOID(WINAPI *PFNWGLDELETEBUFFERREGIONARBPROC)(HANDLE hRegion): wglext.h void(WINAPI *PFNWGLFREEMEMORYNVPROC)(void *pointer): wglext.h