public SurfaceNetCube[,,] GenerateSurfaceNetCubes(BufferedWorld world, TilePos pos, LevelOfDetail lod)
{
// var snNets = new SurfaceNetCube[14, 14, 14];
var lodFactor = 16 / lod.Skip;
var snNets = new SurfaceNetCube[lodFactor, lodFactor, lodFactor];
var tile = world.GetTileAt(pos);
Contracts.Asserts(tile != null);
for (var x = tile.StartPos.X; x < tile.EndPos.X; x += lod.Skip)
{
for (var y = tile.StartPos.Y; y < tile.EndPos.Y; x += lod.Skip)
{
for (var z = tile.StartPos.Z; z < tile.EndPos.Z; x += lod.Skip)
{
var sample = new float[8];
var voxelPos = new VoxelPos(x, y, z);
for (var i = 0; i < 8; i++)
{
var offset = SurfaceNetUtil.GetVoxelOffset(i).Multiply(lod.Skip);
sample[i] = world.GetVoxelAt(offset.Add(x, y, z)).Density;
}
var snNet = SurfaceNetUtil.CalculateSurfaceNetCube(sample, world.GetVoxelAt(voxelPos));
snNet.Position = new Vector3(snNet.Position.x + x, snNet.Position.y + y,
snNet.Position.z + z);
snNets[x / lod.Skip, y / lod.Skip, z / lod.Skip] = snNet;
}
}
}
// foreach (var voxelPos in tile) {
//// if (voxelPos.X <= 0 || voxelPos.Y <= 0 || voxelPos.Z <= 0) {
//// continue;
//// }
////
//// if (voxelPos.X >= 15 || voxelPos.Y >= 15 || voxelPos.Z >= 15) {
//// continue;
//// }
//
// var sample = new float[8];
//
// for (var i = 0; i < 8; i++) {
// var offset = SurfaceNetUtil.GetVoxelCornerOffset (i);
// sample[i] = world.GetVoxelAt (voxelPos.Add ((int) offset.x, (int) offset.y, (int) offset.z))
// .Density;
// }
//
// var snNet = SurfaceNetUtil.CalculateSurfaceNetCube (sample, world.GetVoxelAt (voxelPos));
// snNet.Position = new Vector3 (snNet.Position.x + voxelPos.X, snNet.Position.y + voxelPos.Y,
// snNet.Position.z + voxelPos.Z);
// snNets[voxelPos.X, voxelPos.Y, voxelPos.Z] = snNet;
// }
return(snNets);
}
