/// <summary>
/// Merges two subsets.
/// </summary>
/// <param name="subSet">Subset to merge with.</param>
public void Merge(SubSet subSet)
{
if (!CanMerge(subSet))
{
throw new GraphicsException("Subsets can't be merged!");
}
// Merge vertex unit
VertexUnit unit = new VertexUnit(VertexUnit.Format, VertexUnit.Size + subSet.VertexUnit.Size);
VertexUnit.Copy(VertexUnit, 0, unit, 0, VertexUnit.Size);
VertexUnit.Copy(subSet.VertexUnit, 0, unit, VertexUnit.Size, subSet.VertexUnit.Size);
VertexUnit.Dispose();
VertexUnit = unit;
// Merge index streams
IndexStream index = IndexStream.Create(IndexStream.Size + subSet.IndexStream.Size, IndexStream.GetType());
VertexStreams.IndexStream.Copy(IndexStream, 0, index, 0, IndexStream.Size, 0);
VertexStreams.IndexStream.Copy(subSet.IndexStream, 0, index, IndexStream.Size, subSet.IndexStream.Size, VertexUnit.Size);
IndexStream.Dispose();
IndexStream = index;
}
