/// <summary>
/// Sends the vertices in the set of slices to the accumulator.
/// </summary>
private static void _SendVertices(Quadtree <Material>[,] Slices, Axis Direction, int DirectionBound, List <ColorNormalVertex>[,] Accum)
{
for (int iax = 0; iax < 3; iax++)
{
Axis ax = (Axis)iax;
if (ax != Direction)
{
for (int l = 0; l < DirectionBound - 1; l++)
{
foreach (KeyValuePair <Point <int>, Material> bord in Slices[iax, l].Enumerate(Material.Default))
{
Vector <int> pos = new Vector <int>(l, bord.Key.X, bord.Key.Y).AxisUnorder(ax);
IRenderable ren = Material.CreateRenderable(new Border <Material>()
{
Direction = ax, Position = pos, Value = bord.Value
});
IVertexRenderable <ColorNormalVertex> cnv = ren as IVertexRenderable <ColorNormalVertex>;
if (cnv != null)
{
Accum[pos[Direction], 1].AddRange(cnv.Vertices);
}
}
}
}
else
{
for (int l = 0; l < DirectionBound - 1; l++)
{
var posit = Iterator.ListIterator(Accum[l, 2]);
var negit = Iterator.ListIterator(Accum[l + 1, 0]);
StaticRenderer.SendQuadtree(Slices[iax, l], Direction, l, new Point <int>(0, 0), posit, negit);
}
}
}
}
/// <summary>
/// Gets the vertex buffer for the specified level.
/// </summary>
public VBO <ColorNormalVertex> GetLevel(int Level, Polarity Direction)
{
if (Direction == Polarity.Negative)
{
Level--;
}
VBO <ColorNormalVertex> c = this._Levels[Level, (int)Direction];
if (c == null)
{
IIterator <ColorNormalVertex, VBO <ColorNormalVertex> > vboc = VBO <ColorNormalVertex> .Create();
IBoundedPlaneSurface <Material> bps = Shape.Slice(this._StratifiedRenderer._Source, this._Axis, Level, delegate(T Lower, T Higher, Axis Axis)
{
if (Direction == Polarity.Positive && !Higher.Equals(this._StratifiedRenderer._Default))
{
return(this._StratifiedRenderer._SurfacizeFunc(Lower, this._StratifiedRenderer._Default, Axis));
}
if (Direction == Polarity.Negative && !Lower.Equals(this._StratifiedRenderer._Default))
{
return(this._StratifiedRenderer._SurfacizeFunc(this._StratifiedRenderer._Default, Higher, Axis));
}
return(Material.Default);
}, Material.Default);
QuadtreeSurface <Material> qs = bps.Extend <QuadtreeSurface <Material> >();
if (qs != null)
{
StaticRenderer.Send(qs, vboc, vboc);
}
else
{
StaticRenderer.Send(bps, vboc);
}
this._Levels[Level, (int)Direction] = c = vboc.End();
}
return(c);
}
