private static void MeshNegZ(VoxelGridData voxels, Action <ushort, VoxelSide, VoxelSide, Quad, Vector2i> quadProcessor)
{
var xLength = voxels.XLength;
var yLength = voxels.YLength;
var zLength = voxels.ZLength;
var plane = new VoxelPoint[xLength, yLength];
for (int z = 0; z < zLength; z++)
{
bool someFacesExist = false;
for (int x = 0; x < xLength; x++)
{
for (int y = 0; y < yLength; y++)
{
var open = z == 0 || !voxels[x, y, z - 1].Exists;
var voxel = voxels[x, y, z];
someFacesExist = (open && voxel.Exists) || someFacesExist;
plane[x, y] = new VoxelPoint()
{
Voxel = voxels[x, y, z], Processed = !open
};
}
}
if (someFacesExist)
{
var zPos = z;
FindPlaneRects(plane, (typeNum, orientation, rect) =>
{
var quad = new Quad(
new Vector3(rect.Right, rect.Top, zPos) * voxels.VoxelSize,
new Vector3(rect.Right, rect.Bottom, zPos) * voxels.VoxelSize,
new Vector3(rect.Left, rect.Bottom, zPos) * voxels.VoxelSize,
new Vector3(rect.Left, rect.Top, zPos) * voxels.VoxelSize,
-Vector3.UnitZ);
quadProcessor(typeNum, orientation, VoxelSide.NORTH, quad, new Vector2i(rect.Width, rect.Height));
});
}
}
}
private static void MeshPosY(VoxelGridData voxels, Action <ushort, VoxelSide, VoxelSide, Quad, Vector2i> quadProcessor)
{
var xLength = voxels.XLength;
var yLength = voxels.YLength;
var zLength = voxels.ZLength;
var plane = new VoxelPoint[xLength, zLength];
for (int y = 0; y < yLength; y++)
{
bool someFacesExist = false;
for (int x = 0; x < xLength; x++)
{
for (int z = 0; z < zLength; z++)
{
var open = y + 1 == yLength || !voxels[x, y + 1, z].Exists;
var voxel = voxels[x, y, z];
someFacesExist = (open && voxel.Exists) || someFacesExist;
plane[x, z] = new VoxelPoint()
{
Voxel = voxels[x, y, z], Processed = !open
};
}
}
var yPos = (y + 1);
if (someFacesExist)
{
FindPlaneRects(plane, (typeNum, orientation, rect) =>
{
var quad = new Quad(
new Vector3(rect.Left, yPos, rect.Top) * voxels.VoxelSize,
new Vector3(rect.Right, yPos, rect.Top) * voxels.VoxelSize,
new Vector3(rect.Right, yPos, rect.Bottom) * voxels.VoxelSize,
new Vector3(rect.Left, yPos, rect.Bottom) * voxels.VoxelSize,
Vector3.UnitY);
quadProcessor(typeNum, orientation, VoxelSide.TOP, quad, new Vector2i(rect.Width, rect.Height));
});
}
}
}