Harry Frank offers a quick tip for Managing Front & Back Particle Visibility when using Trapcode Form for After Effects by using some null objects and some simple expressions to achieve a backface culling effects. Check out the Quick Tip Tutorial for Managing Front & Back Particle Visibility in Trapcode Form for After Effects here.

Quick Tip, Harry Frank shows how to easily manage front and back visibility with 3D null objects and some simple expressions inside Trapcode Form.
Often when using Trapcode Form, it’s ideal to have particles appear invisible on the area facing away from the camera. In 3D applications, this is commonly referred to as “backface culling.”