Creates a new vector2 instance. Its initial values can either be provided to this function or not;
if they are omitted, the vector will be initialized to all 0.0 components.
Syntax
Return Dword = DX11 CREATE VECTOR2([x], [y])
Parameters
[Optional] x
Float The initial X component of the created vector.
[Optional] y
Float The initial Y component of the created vector.
