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- These files contain noise functions that are compatible with all
- current versions of GLSL (1.20 and up), and all you need to use them
- is provided in the source file. There is no external data, and no
- setup procedure. Just cut and paste and call the function.
- GLSL has a very rudimentary linker, so some helper functions are
- included in several of the files with the same name. If you want to
- use more than one of these functions in the same shader, you may run
- into problems with redefinition of the functions mod289() and permute().
- If that happens, just delete any superfluous definitions.
- -----
- Source: https://github.com/ashima/webgl-noise
- Changes:
- - 10 April 2018, Unity Technologies, Ported to HPC#
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