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feat(world-gen): rescale biome relief and snow line for 512-tall world

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MDietermann
2026-06-03 07:49:34 +02:00
parent 3c7e7a46a3
commit 715444d10a
6 changed files with 15 additions and 15 deletions
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4
VoxelEngine.Tests/WorldGen/BiomeTests.cs
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@@ -20,8 +20,8 @@ public class BiomeTests
{
var blocks = new BlockRegistry();
var biomes = new BiomeRegistry(42, blocks);
Assert.Equal("Stone", biomes.Mountains.TopBlock(70).Name);
Assert.Equal("Snow Block", biomes.Mountains.TopBlock(120).Name);
Assert.Equal("Stone", biomes.Mountains.TopBlock(200).Name); // below snow line
Assert.Equal("Snow Block", biomes.Mountains.TopBlock(420).Name); // above snow line (384)
}
[Fact]

8
VoxelEngine.Tests/WorldGen/TerrainSamplerTests.cs
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@@ -43,11 +43,11 @@ public class TerrainSamplerTests
for (int x = -200; x < 200; x += 3)
for (int z = -200; z < 200; z += 3)
{
// The dense blur removes inter-biome cliffs (those would be 25+ blocks).
// Remaining deltas are rugged intra-Mountains ridged slopes (~9), which
// are intended terrain, not cliffs; 16 separates the two.
// The dense blur removes inter-biome cliffs. Remaining deltas are
// rugged intra-Mountains ridged slopes, now ~4x larger after the
// 128->512 rescale; 64 separates intended slopes from true cliffs.
int dx = System.Math.Abs(sampler.HeightAt(x, z) - sampler.HeightAt(x + 1, z));
Assert.True(dx <= 16, $"height jump {dx} at ({x},{z})");
Assert.True(dx <= 64, $"height jump {dx} at ({x},{z})");
}
}
}