Flash CS4 and the missing Vector3D class 27th July 2009

I’ve been using the new 3D functionality in Flash Player 10 and got this error earlier today:

1046: Type was not found or was not a compile-time constant: Vector3D

Quote boggling since the docs say it’s a global class as long as you have the publish settings player version set to 10. Took me a while to work it out. If this happens to you then add this at the top of your class:

import flash.geom.*;