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Game Development Dictionary
A function, inveted by Ken Perlin, who invented it to generate textures for the movie Tron (1982). One of the first films to use computer graphics extensively, Tron has a distinctive visual style. He won a special Academy Award for Perlin noise in 1997. Perlin noise is widely used in computer graphics for effects like fire, smoke and clouds. It is also frequently used to generate textures when memory is extremely limited, such as in demos.