How to Train Your Dragon 2 is a 2014 American 3D computer-animated fantasy action film produced by DreamWorks Animation and distributed by 20th Century Fox , loosely based on the British book series of the same name by Cressida Cowell . How to Train Your Dragon 2 benefited from advances in animation technology and was DreamWorks ' first film to use scalable multicore processing and the studio 's new animation and lighting software . Toonz is a family of 2D animation software .
How to Train Your Dragon 2 used old animation software.