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authorBrendan Hickey <brendan@bhickey.net>2012-12-21 15:46:33 -0500
committerBrendan Hickey <brendan@bhickey.net>2012-12-30 19:06:47 -0800
commita8ee98a52a4166c3fb29ef981192b9740d06e2a8 (patch)
tree0f893ffb34a756b342d18e1ddd283457b950ebfc /crawl-ref/source/perlin.cc
parentdcadfdb8eec9c40abb65b09e115e33f0dfed5558 (diff)
downloadcrawl-ref-a8ee98a52a4166c3fb29ef981192b9740d06e2a8.tar.gz
crawl-ref-a8ee98a52a4166c3fb29ef981192b9740d06e2a8.zip
Clarify Perlin Noise Licensing
Explicitly release perlin.cc under CC0. This file is a C++ port of Stefan Gustavson's public domain java noise implementation. The original can be retrieved at: http://webstaff.itn.liu.se/~stegu/simplexnoise/SimplexNoise.java
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diff --git a/crawl-ref/source/perlin.cc b/crawl-ref/source/perlin.cc
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@@ -1,5 +1,13 @@
/*
- * A speed-improved simplex noise algorithm for 2D, 3D and 4D in Java.
+ * This is a C++ port of version Stefan Gustavson's public domain
+ * implementation of simplex noise (Version 2012-03-09).
+ *
+ * It was ported by Brendan Hickey (brendan@bhickey.net) and released on
+ * 2012-09-16.
+ *
+ * It is made available under the Creative Commons CC0 license.
+ *
+ * A speed-improved simplex noise algorithm for 2D, 3D and 4D in C++.
*
* Based on example code by Stefan Gustavson (stegu@itn.liu.se).
* Optimisations by Peter Eastman (peastman@drizzle.stanford.edu).