private void OnMouseDown(object sender, MouseSelectHandler e)
{
if ((selected && !e.remove) || (!selected && e.remove))
{
return;
}
//Find Screen Point
Point2d mouse_pt = new Point2d(e.point.X, e.point.Y);
Line l = e.viewport.ClientToWorld(mouse_pt);
Plane projection_plane = e.viewport.GetConstructionPlane().Plane;
Point3d viewport_point;
if (Rhino.Geometry.Intersect.Intersection.LinePlane(l, projection_plane, out double p))
{
viewport_point = l.PointAt(p);
}
else
{
return;
}
//Create Ray from camera
Point3d camera_pt = e.viewport.CameraLocation;
Vector3d direction = new Vector3d(viewport_point - camera_pt);
Ray3d r = new Rhino.Geometry.Ray3d(camera_pt, direction);
if (!parent.selectFaces)
{
//Object selection
parameter = Rhino.Geometry.Intersect.Intersection.MeshRay(brep_renderMesh, r);
if (parameter > 0.0)
{
parent.mouseSelector.selected.Add(this);
}
}
else
{
//Face selection
for (int i = 0; i < face_renderMesh.Length; i++)
{
p = Rhino.Geometry.Intersect.Intersection.MeshRay(face_renderMesh[i], r);
face_parameters[i] = p;
}
int index_max = face_parameters.ToList <double>().IndexOf(face_parameters.Max());
if (face_parameters[index_max] > 0)
{
face_selected[index_max] = true;
parent.mouseSelector.selected.Add(this);
}
}
}
protected override void OnMouseDown(MouseCallbackEventArgs e)
{
base.OnMouseDown(e);
if (e.MouseButton == MouseButton.Right)
{
return;
}
selected = new List <SelectionGeometry>();
MouseSelectHandler mouseSelect = new MouseSelectHandler(e.View.ActiveViewport, e.ViewportPoint, e.CtrlKeyDown);
MousePressed?.Invoke(this, mouseSelect);
if (selected.Count > 0)
{
if (!parent.selectFaces)
{
double min = System.Double.PositiveInfinity;
int index_closest = 0;
for (int i = 0; i < selected.Count; i++)
{
if (selected[i].parameter < min)
{
min = selected[i].parameter;
index_closest = i;
}
}
if (!e.CtrlKeyDown)
{
if (parent.selectThroughObjects == true)
{
for (int i = 0; i < selected.Count; i++)
{
selected[i].selected = true;
parent.selectionGeometriesStack.Push(selected[i]);
}
}
else
{
selected[index_closest].selected = true;
parent.selectionGeometriesStack.Push(selected[index_closest]);
}
}
else
{
if (parent.selectThroughObjects == true)
{
for (int i = 0; i < selected.Count; i++)
{
selected[i].selected = false;
List <SelectionGeometry> selected_list = parent.selectionGeometriesStack.ToList <SelectionGeometry>();
selected_list.Remove(selected[i]);
parent.selectionGeometriesStack = new Stack <SelectionGeometry>(selected_list);
}
}
else
{
selected[index_closest].selected = false;
List <SelectionGeometry> selected_list = parent.selectionGeometriesStack.ToList <SelectionGeometry>();
selected_list.Remove(selected[index_closest]);
parent.selectionGeometriesStack = new Stack <SelectionGeometry>(selected_list);
}
}
}
else
{
}
parent.selectionRetrigger = true;
parent.ExpireSolution(true);
e.View.Redraw();
}
}