It's like... autogenerated heightmaps for your projects, man.
var myInitMap = [ 4,1,2,4, 1,4,2,2, 3,2,1,6, 2,1,1,5 ]; // Create a new DiamondSquare algorithm from the initial map, with a random // roughness factor var ds = new DiamondSquare(myInitMap,4,4,Math.random()*10); // Iterate until you're satisfied. The map doubles in size with each // iteration. ds.iterate(); ... ds.iterate(); // Then the data you want is in: ds.dataStore;
There's a demonstration file that just renders the heightmap to canvas (with some rather buggy bilinear interpolation) but the intention is that you use it for geometry or something exciting like that!