// The namespace contains all types and functions to operates with Vector3 constnext = Vector3.add(pointA, velocityA) // The type Vector3 is an alias to Vector3.ReadonlyVector3 constreadonlyPosition: Vector3 = Vector3.Zero() readonlyPosition.x = 0.1// this FAILS
// For mutable usage, use `Vector3.Mutable` constposition: Vector3.Mutable = Vector3.One() position.x = 3.0// this WORKS
Vector3 is a type and a namespace.