Computer-generated imagery
For the first film, Richard Rickitt explains that to "produce the characters who inhabit the computer world, actors were dressed in costumes that were covered in black-and-white computer circuitry designs...With coloured light shining through the white areas of their costumes, the resulting characters appeared to glow as if lit from within...optical processes were used to create all of the film's computerized characters..." Frederick S. Clarke reported that "" would "combine live action with Computer-generated imagery (CGI)," adding that "several characters...will be completely digital..."