public void Remesh()
{
//Remesher r = new Remesher(mesh);
//r.PreventNormalFlips = true;
//double min_edge_len, max_edge_len, avg_edge_len;
//MeshQueries.EdgeLengthStats(mesh, out min_edge_len, out max_edge_len, out avg_edge_len);
//r.SetTargetEdgeLength(avg_edge_len * 0.8);
//r.SetProjectionTarget(MeshProjectionTarget.Auto(mesh));
//r.BasicRemeshPass();
Reducer r = new Reducer(mesh);
r.ReduceToTriangleCount(mesh.TriangleCount / 2);
foreach (var vertexIndex in mesh.VertexIndices())
{
mesh.SetVertexNormal(vertexIndex, mesh.CalcVertexNormal(vertexIndex).toVector3f());
}
Redraw(true);
}