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/* | |
* OpenSimplex Noise in Java. | |
* by Kurt Spencer | |
* | |
* v1.1 (October 5, 2014) | |
* - Added 2D and 4D implementations. | |
* - Proper gradient sets for all dimensions, from a | |
* dimensionally-generalizable scheme with an actual | |
* rhyme and reason behind it. | |
* - Removed default permutation array in favor of |