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@@ -4,7 +4,7 @@ Heightmap
Overview Overview
-------- --------
A Lua module by Marc Lepage for producing heightmaps. A Lua module by Marc Lepage for producing heightmaps. Modified by Guard13007 to add built-in normalization.
The heightmap module uses the diamond-square algorithm to generate cloud or plasma fractal heightmaps which can be used for terrain. The heightmap module uses the diamond-square algorithm to generate cloud or plasma fractal heightmaps which can be used for terrain.
@@ -32,6 +32,12 @@ Usage
-- use it to create a larger non-square heightmap -- use it to create a larger non-square heightmap
map = heightmap.create(100, 200, f) map = heightmap.create(100, 200, f)
-- create a map with normalized range of -1 to 1
map = heightmap.create(150, 300, -1, 1)
-- use the custom height function and normalize with a range of 10 to 20
map = heightmap.create(200, 200, f, 10, 20)
How it Works How it Works
------------ ------------