add Heightmap methods

2024-08-13 20:57:46 +03:00
parent da4b8bd7d4
commit 13b97f4398
4 changed files with 291 additions and 3 deletions
@@ -1,3 +1,48 @@
 -- use for engine development tests
 -- must be empty in release
 -- must not be modified by content-packs
+
+local W = 16
+local H = 16
+
+for t=1,1 do
+    local tm = time.uptime()
+
+    local umap = Heightmap(W, H)
+    local vmap = Heightmap(W, H)
+    umap:noise({521, 73}, 0.2, 1, 11.8)
+    umap:noise({51, 73}, 0.2, 1, 11.8)
+    umap:noise({521, 73}, 0.4, 6, 5.8)
+    vmap:noise({95, 246}, 0.6, 6, 5.8)
+
+    local bmap = Heightmap(W, H)
+    bmap:noise({3, 6}, 0.1, 1, 3)
+    local map = Heightmap(W, H)
+
+
+    map:noise({0, 0}, 0.06, 4, 0.2, umap, vmap)
+    map:noise({0, 0}, 0.25, 6, 0.5, umap, vmap)
+    map:mul(bmap)
+    map:mul(0.7)
+
+    local rivermap = Heightmap(W, H)
+    rivermap:noise({21, 12}, 0.05, 3)
+    rivermap:abs()
+    rivermap:min(0.02)
+    rivermap:mul(50.0)
+    rivermap:pow(0.4)
+    map:add(1.7)
+    map:mul(rivermap)
+    map:add(-1.0)
+    map:mul(0.5)
+
+    local overmap = Heightmap(W, H)
+    overmap:noise({1, 5122}, 0.02, 2, 0.2)
+    overmap:abs()
+    overmap:pow(0.5)
+    overmap:mul(-1.0)
+    map:add(overmap)
+
+    print(math.floor((time.uptime() - tm) * 1000000).." mcs")
+    map:dump("heightmap.png")
+end