49 lines
1.1 KiB
Lua
49 lines
1.1 KiB
Lua
-- use for engine development tests
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-- must be empty in release
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-- must not be modified by content-packs
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local W = 16
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local H = 16
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for t=1,1 do
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local tm = time.uptime()
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local umap = Heightmap(W, H)
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local vmap = Heightmap(W, H)
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umap:noise({521, 73}, 0.2, 1, 11.8)
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umap:noise({51, 73}, 0.2, 1, 11.8)
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umap:noise({521, 73}, 0.4, 6, 5.8)
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vmap:noise({95, 246}, 0.6, 6, 5.8)
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local bmap = Heightmap(W, H)
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bmap:noise({3, 6}, 0.1, 1, 3)
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local map = Heightmap(W, H)
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map:noise({0, 0}, 0.06, 4, 0.2, umap, vmap)
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map:noise({0, 0}, 0.25, 6, 0.5, umap, vmap)
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map:mul(bmap)
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map:mul(0.7)
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local rivermap = Heightmap(W, H)
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rivermap:noise({21, 12}, 0.05, 3)
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rivermap:abs()
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rivermap:min(0.02)
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rivermap:mul(50.0)
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rivermap:pow(0.4)
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map:add(1.7)
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map:mul(rivermap)
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map:add(-1.0)
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map:mul(0.5)
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local overmap = Heightmap(W, H)
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overmap:noise({1, 5122}, 0.02, 2, 0.2)
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overmap:abs()
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overmap:pow(0.5)
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overmap:mul(-1.0)
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map:add(overmap)
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print(math.floor((time.uptime() - tm) * 1000000).." mcs")
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map:dump("heightmap.png")
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end
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