I’ve wondered this for a while and a quick Google hasn’t yielded great results.
When films, particularly full CGI films, are made, do they truly make it frame by frame? Or do they desgin the full 3d world and put cameras into the software to “film” the scene? And how extensive to they get?
For example, in the car chase ending for Toy Story, would they have designed and modeled the entire neighborhood and used “cameras” in the scene to film it? Would they fully 3d model each house and “play” the scene to film it? Or would they design and create small pieces and put them together like traditional cartoon?
I always imagined it was similar to the StarCraft map editor. I could build the map, add in units and then assign them AI cues to move through routes or take actions based on programmed cues. Very curious how it works on big budget films.
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You should watch the documentary series Light & Magic on Disney+. Amazing doc on the history of Industrial Light & Magic that covers their history and how special effects have evolved from shooting with miniatures and against matte paintings to the CGI revolution. An absolute must-see for those who love finding out how movies are made and are addicted to the extras on DVDs that go into all the making-of and behind the scenes stuff with filmmaking.
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