public void UpdateExposedVoxels()
{
NumVerts = 0;
NumInds = 0;
for (int x = 0; x < Width; ++x)
{
for (int y = 0; y < Height; ++y)
{
for (int z = 0; z < Depth; ++z)
{
Voxel voxel = Voxels[x, y, z];
voxel.Exposed = false;
voxel.ExposedSides = VoxelSide.None;
if (voxel.CanBeSeen())
{
Voxel top = voxel.NeighborOrNull(VoxelDirection.Top);
Voxel north = voxel.NeighborOrNull(VoxelDirection.North);
Voxel east = voxel.NeighborOrNull(VoxelDirection.East);
Voxel south = voxel.NeighborOrNull(VoxelDirection.South);
Voxel west = voxel.NeighborOrNull(VoxelDirection.West);
Voxel bottom = voxel.NeighborOrNull(VoxelDirection.Bottom);
if (Voxel.IsSolid(top) == false)
{
// Exposed Top
voxel.Exposed = true;
voxel.ExposedSides |= VoxelSide.Top;
NumVerts += 4;
NumInds += 6;
}
if (Voxel.IsSolid(north) == false)
{
// Exposed North
voxel.Exposed = true;
voxel.ExposedSides |= VoxelSide.North;
NumVerts += 4;
NumInds += 6;
}
if (Voxel.IsSolid(east) == false)
{
// Exposed East
voxel.Exposed = true;
voxel.ExposedSides |= VoxelSide.East;
NumVerts += 4;
NumInds += 6;
}
if (Voxel.IsSolid(south) == false)
{
// Exposed South
voxel.Exposed = true;
voxel.ExposedSides |= VoxelSide.South;
NumVerts += 4;
NumInds += 6;
}
if (Voxel.IsSolid(west) == false)
{
// Exposed West
voxel.Exposed = true;
voxel.ExposedSides |= VoxelSide.West;
NumVerts += 4;
NumInds += 6;
}
if (Voxel.IsSolid(bottom) == false)
{
// Exposed Bottom
voxel.Exposed = true;
voxel.ExposedSides |= VoxelSide.Bottom;
NumVerts += 4;
NumInds += 6;
}
}
voxel.Collider.enabled = voxel.Exposed;
}
}
}
}
