Resolve a number | Vec2 | undefined parameter into a concrete Vec2. A
single number is expanded to [n, n]; undefined falls back to
[fallback, fallback]. Useful for options that accept either a uniform value
or independent X/Z (or width/height) components.
Resolve a
number | Vec2 | undefinedparameter into a concreteVec2. A single number is expanded to[n, n];undefinedfalls back to[fallback, fallback]. Useful for options that accept either a uniform value or independent X/Z (or width/height) components.