/// <summary>
/// Return order: (1,0) (0,1) (-1,0) (0,-1)
/// </summary>
/// <returns></returns>
public static IEnumerable <IVoxel> Get4Connected(this IVoxel center)
{
var ret = new IVoxel[4];
ret[0] = center.GetRelative(new Point2(1, 0));
ret[1] = center.GetRelative(new Point2(0, 1));
ret[2] = center.GetRelative(new Point2(-1, 0));
ret[3] = center.GetRelative(new Point2(0, -1));
return(ret);
//MHG>: removed this, this will cause problems in any case when using the return order
// return ret.Where(s => s != null);
}
public static IEnumerable <IVoxel> GetRange(this IVoxel center, int radius)
{
for (int x = -radius; x <= +radius; x++)
{
for (int y = -radius; y <= +radius; y++)
{
var v = center.GetRelative(new Point2(x, y));
if (v != null)
{
yield return(v);
}
}
}
}
public static IEnumerable <IVoxel> Get8Connected(this IVoxel v)
{
yield return(v.GetRelative(new Point2(+1, +1)));
yield return(v.GetRelative(new Point2(+1, +0)));
yield return(v.GetRelative(new Point2(+1, -1)));
yield return(v.GetRelative(new Point2(+0, +1)));
//yield return v.GetRelative(new Point2( + 0, + 0));
yield return(v.GetRelative(new Point2(+0, -1)));
yield return(v.GetRelative(new Point2(-1, +1)));
yield return(v.GetRelative(new Point2(-1, +0)));
yield return(v.GetRelative(new Point2(-1, -1)));
}
public IMesh GetMesh(IVoxel gameVoxel)
{
var baseMesh = provider.GetMesh(gameVoxel);
var town = townCenterService.GetTownForVoxel(gameVoxel);
if (town == null)
{
return(baseMesh);
}
var builder = new MeshBuilder();
builder.AddMesh(baseMesh, Matrix.Identity);
builder.AddMesh(this.builder.CreateMesh(p => town == townCenterService.GetTownForVoxel(gameVoxel.GetRelative(p))), Matrix.Identity);
return(builder.CreateMesh());
}
IVoxelHandle IVoxelHandle.GetRelative(Point2 p)
{
return((IVoxelHandle)currentVoxel.GetRelative(p));
}