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#Actualsamoth

Posted 30 January 2013 - 06:18 AM

Something purely algorithmic like mod289 is usually good enough for Perlin noise if you can't (or don't want to) afford a lookup texture.

A lookup texture can represent N dimensions by atlassing, see chapter 2.1 of Shader X7.


#1samoth

Posted 30 January 2013 - 06:16 AM

Something purely algorithmic like mod289 is usually good enough for Perlin noise if you can't (or don't want to) afford a lookup texture.

 

A lookup texture can represent N dimensions by atlassing, see chapter 2.1 of GPU Gems 7.


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