void GenerateChunk(IChunk chunk)
{
var earth = _terrain.GetMaterialId(BlockMaterial.EARTH);
var sand = _terrain.GetMaterialId(BlockMaterial.SAND);
for (var x = 0; x < chunk.width; x++)
for (var z = 0; z < chunk.height; z++) {
var blockPos = chunk.position.ToBlockPos().Relative(x, 0, z);
var h = Mathf.PerlinNoise(blockPos.x / 40.0F, blockPos.z / 40.0F) * 16 - 8;
for (var y = 0; y < Mathf.Min(h - blockPos.y, chunk.depth); y++) {
var material = ((h > -3.5F - (blockPos.y + y)) ? earth : sand);
var amount = 1 + (int)Mathf.Min(BlockData.MAX_AMOUNT - 1,
(h - (blockPos.y + y)) * BlockData.MAX_AMOUNT);
chunk[chunk.GetIndex(x, y, z)] = new BlockData(material, amount);
}
}
}