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C Coder

Generating Planets Using 3D Perlin Noise

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Hi, Im using perlin noise to generate a planets surface in real time. Problem is what x,y,z points should i feed into my perlinnoise to return the height of the land? If I use 2D perlinnoise and use the longitude/latitude angles then I have a problem that the planet does not matchup correctly as the angles rapp around (0-360). So Im using 3d perlinenoise (x,y,z), where x,y,z are the Normalized components of the given vertex, this produces a circular pattern to the planets surface? help please.

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you can use anything you want, as long as your input coordinates are continous, this pretty much limits you to 3d noise, but i dont think it will matter a lot if you normalize your input coordinates.

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