MovingBlocks/Terasology — pull request #906 by msteiger (2014-02-05 20:11:22+00:00)
Title: Added the two most common interpolation functions

See
http://www.wolframalpha.com/share/clip?f=d41d8cd98f00b204e9800998ecf8427e7j6bfo6g7d
for a visual comparison