protected override void OnUpdate()
{
var count = enabledChunks.CalculateLength();
var positions = enabledChunks.GetComponentDataArray <ChunkPosition>();
chunkPositions.CopyFrom(ref positions, count);
var args = new NativeArray <int>(4, Allocator.TempJob);
args[0] = 1;
args[1] = count;
args[2] = 0;
args[3] = 0;
drawArgs.SetData(args);
args.Dispose();
Debug.Log("Draw " + count + " chunks");
Graphics.DrawProceduralIndirect(MeshTopology.Points, drawArgs);
}
