/// <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);
}