Warner Independent Pictures’ rotoscoped animated feature A Scanner Darkly, based on the novel of the same name by Philip K. Dick, opens this Friday, July 7, in selected theaters. According to Yahoo! Movies, the movie is, “Set in a future world where America has lost the war on drugs, an undercover cop, Fred, is one of many agents hooked on the popular drug Substance D, which causes its users to develop split personalities. Fred, for instance, is also Bob, a notorious drug dealer. Along with his superior officers, Fred sets up an elaborate scheme to catch Bob and tear down his operation.” The official site for the film has a feature where you can mix your own trailer.