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I am looking for a 4D noise generator in order to create wrapping random surfaces. I have 2D and 3D generators here, but I cannot find a similar generator for 4D which I just can call as

var value = noise4D(x,y,z,w);

in javascript.

Maybe there are other idea how to create a random surface heightmap which is wrapped on itself (to create a smooth rotating sphere with a random heightmap)?

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