During production, Sir Ridley Scott kept the use of computer-generated imagery (CGI) as low as possible; Scott recalled advice visual effects supervisor Douglas Trumbull gave him on the set of Blade Runner (1982): "If you can do it live, do it live", and also claimed that practical visual effects were more cost-effective than digital visual effects. Monster effects, like the Deacon and Hammerpede, were done practically as much as possible, with CGI only for complicated shots that couldn't be done for real. The giant Trilobite facehugger was a full-size model and used in a few shots, and it served as a reference for a computer-generated version that was used in the other shots. All in all, Weta Digital and Moving Picture Company provided 1,300 CG shots for the movie, mainly for digital landscapes, space scenes and adding textures and fluids to practical effects.
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05-03-2025 alle ore 08:18
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