fCraft.TreeGeneration.MakeNormalFoliage C# (CSharp) Method

        public static void MakeNormalFoliage( World w, Vector3I Pos, int Height )
        {
            int topy = Pos.Z + Height - 1;
            int start = topy - 2;
            int end = topy + 2;

            for ( int y = start; y < end; y++ ) {
                int rad;
                if ( y > start + 1 ) {
                    rad = 1;
                } else {
                    rad = 2;
                }
                for ( int xoff = -rad; xoff < rad + 1; xoff++ ) {
                    for ( int zoff = -rad; zoff < rad + 1; zoff++ ) {
                        if ( w.Map != null && w.IsLoaded ) {
                            if ( Rand.NextDouble() > .618 &&
                                Math.Abs( xoff ) == Math.Abs( zoff ) &&
                                Math.Abs( xoff ) == rad ) {
                                continue;
                            }
                            w.Map.QueueUpdate( new
                                 BlockUpdate( null, ( short )( Pos.X + xoff ), ( short )( Pos.Y + zoff ), ( short )y, Block.Leaves ) );
                        }
                    }
                }
            }
        }

 private void MakeTrunks(short height, TreeType type)
 {
     for (short i = 0; i < height; ++i)
     {
         _map.QueueUpdate(new BlockUpdate(null, _x, _y, (short)(_z + i), Block.Log));
     }
     if (TreeType.Normal == type)
     {
         TreeGeneration.MakeNormalFoliage(_world, new Vector3I(_x, _y, _z), height + 1);
     }
     else
     {
         TreeGeneration.MakePalmFoliage(_world, new Vector3I(_x, _y, _z), height);
     }
 }