Benjamin Eisenman shows how to create a Portal effect by demonstrating compositing and tracking techniques and creates the portal effects skillfully with Trapcode Particular.
In this tutorial you’ll learn how to composite a “going through the portal” effect and pull off the first person Portal gun animation
Benjamin also uses Element 3D for the portal gun that is placed in the shot as a first-person point of view, much like the game. Check out the tutorial for Recreating A Real Life Portal Game Effect here.