And not just textures or terrain. Apply Perlin noise to a vector field and you c... | Hacker News

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zzalpha on July 1, 2015 | parent | context | favorite | on: The random number generator of DOOM

And not just textures or terrain. Apply Perlin noise to a vector field and you create smoothly random motion, which can be used to simulate things like air currents.

perlin on July 1, 2015 [–]

Good point! Here's two OpenGL animations across multiple 1-dimensional vertices:

Perlin- https://i.imgur.com/ROww6bw.gif Random- https://i.imgur.com/EurTdaZ.gif

aerique on July 1, 2015 | [–]

I animated these tentacles using Perlin noise: http://www.youtube.com/watch?v=RMwJXP8EOU4

(By manipulating the available variables in a Bezier curve.)

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