![]() Really, there needs to be a slider to adjust the amount of grain, and it needs to default at a fairly low setting. This is the same reason you sometimes see people complain about HDR lighting and talk about how it should go away completely, not realizing it's used in literally every recent reasonably graphically sophisticated game. It can be frustrating to talk about because lots of people don't realize how common it is, thinking the games that do it wrong are the only ones using it. ![]() Thing is it's one of those effects where when it's done right you don't consciously notice it unless you're specifically looking for it, like with vignetting and bloom. I see film grain effects in games serving the same purpose, in addition to sometimes being used specifically to make a game look like a movie. Perlin Noise was originally developed for the movie Tron to add some noise to otherwise too-smooth CG surfaces, making them more believable.
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