public void Update(Cluster cluster)
{
for (int z = 0; z < cluster.Planes.Length; z++)
{
Cluster.Plane plane = cluster.Planes[z];
if (plane.Solid != null && plane.Solid.Height == Solidity.Empty)
continue; // it's air
// see if our plane is hidden
for (WorldDirection dir = WorldDirection.North; dir <= WorldDirection.Down; dir++)
{
Cluster.Plane p = cluster.GetNeighbor(z, WorldDirection.North);
if (p == null || !p.SideSolid(DirectionUtils.GetFacingDir(WorldDirection.North)))
{
PlanesToRender.Add(plane);
break;
}
}
}
}