private void _glPanel3D_MouseDown(object sender, MouseButtonEventArgs e)
{
var downP = _glPanel3D.GetPosition();
var retts = _glPanel3D.HitTest(downP);
if (!_glPanel3D.Selector.IsVisible)
{
_glPanel3D.Selector.P1 = downP;
_glPanel3D.Selector.P2 = downP;
_glPanel3D.Selector.IsVisible = true;
}
else
{
_glPanel3D.Selector.IsVisible = false;
var rets = _glPanel3D.HitTest(new RectF(_glPanel3D.Selector.P1, _glPanel3D.Selector.P2), _glPanel3D.Selector.P1.X < _glPanel3D.Selector.P2.X ? RectHitTestMode.FullContain : RectHitTestMode.Intersect);
}
}
private void _glPanel3D_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
var downP = _glPanel3D.GetPosition();
var rets = _glPanel3D.HitTest(downP);
if (rets.Count() > 0)
{
var first = rets.First();
if (first.Mesh.Type == MeshType.Triangle)
{
var t = (TriangleMesh)first.Mesh;
_mesh.DeleteVertex(t.Index1);
MeshData = MeshUtil.ConvertTo(_mesh);
}
}
}