There was a lot of amazing visual setpieces in The Force Awakens, made possibly by the incredible wizardry of ILM and many other VFX studios. But sometimes the best use of CGI is one where you had no idea its even used, as J.J. Abrams points out in this exclusive clip from his new Force Awakens commentary track.
Source: Gizmodo – J.J. Abrams Reveals the Crazy CG Effect You Didn’t Know Was in The Force Awakens