void GenerateVoxelDensity()
{
if (!generator)
{
return;
}
Vector3 chunkWorldPosition = generator.ChunkToWorldNotScaled(chunkPosition);
if (generator.EnableJob)
{
NativeArray <Voxel> nativeVoxels = new NativeArray <Voxel>(gridSize.x * gridSize.y * gridSize.z, Allocator.TempJob);
VoxelNoiseJob noiseJob = new VoxelNoiseJob
{
chunkWorldPosition = chunkWorldPosition,
cellSize = generator.CellSize,
gridSize = gridSize,
voxels = nativeVoxels,
frequency = generator.Frequency
};
JobHandle noiseJobHandle = noiseJob.Schedule(gridSize.x * gridSize.y * gridSize.z, 32);
noiseJobHandle.Complete();
unsafe
{
fixed(void *voxelPointer = voxels)
{
UnsafeUtility.MemCpy(voxelPointer, NativeArrayUnsafeUtility.GetUnsafeBufferPointerWithoutChecks(nativeVoxels), voxels.Length * (long)UnsafeUtility.SizeOf <Voxel>());
}
}
nativeVoxels.Dispose();
}
else
{
for (int x = 0; x < gridSize.x; x++)
{
for (int y = 0; y < gridSize.y; y++)
{
for (int z = 0; z < gridSize.z; z++)
{
Vector3 worldPosition = new Vector3(x, y, z) + chunkWorldPosition;
Vector3 World2DPosition = new Vector3(worldPosition.x, worldPosition.z);
float density = -worldPosition.y;
density += Noise.Perlin2DFractal(World2DPosition, generator.Frequency, 5) * 10f;
density += Noise.Perlin2DFractal(World2DPosition, generator.Frequency * 0.5f, 3) * 50f;
float height = Mathf.Clamp01((worldPosition.y + 25f) / 40f);
voxels[x, y, z].Density = density;
voxels[x, y, z].Height = height;
}
}
}
}
}