public bool Select(SceneNode node, int geometryID = 0)
{
SelectableSceneNode n = node as SelectableSceneNode;
if (n != null)
{
if (!multiSelect)
{
Clear();
}
//n.Selected = true;
//selectedNodes.Add(n);
SelectionElement se = new SelectionElement(n, geometryID);
se.Highlight();
selection.Add(se);
return(true);
}
return(false);
}
public void Highlight()
{
PhongPatchPNTriangleGeometry g = Origin.Geometries[GeometryID] as PhongPatchPNTriangleGeometry;
if (g != null && PatchID >= 0)
{
IDrawable r = g.ExportRange(PatchID);
Node = new SelectableSceneNode(r)
{
Selected = true, Priority = 100
};
Origin.Add(Node);
}
else
{
SelectableSceneNode n = Origin as SelectableSceneNode;
if (n != null)
{
n.Selected = true;
Node = n;
}
}
}
public bool Select(Double2 xy, out PickingResult result)
{
bool unselect = inputHandler.IsKeyPressed(Key.ShiftLeft);
List <PickingResult> r;
result = null;
if (sg.Pick(xy, 5, out r))
{
if (Validator == null)
{
result = r[0];
}
else
{
bool success = false;
for (int i = 0; i < r.Count; ++i)
{
result = r[i];
if (Validator(result))
{
success = true;
break;
}
}
if (!success)
{
return(false);
}
}
}
else
{
return(false);
}
if (Pick != null)
{
Pick(result, unselect);
}
int geometryID = result.GeometryIndex;
int id = result.PrimitiveIndex;
PhongPatchPNTriangleGeometry g = result.Node.Geometries[geometryID] as PhongPatchPNTriangleGeometry;
if (g != null && patchSelectionEnabled)
{
int patchID = g.GetRangeIndex(id);
int index = GetIndex(result.Node, patchID);
if (index < 0 && !unselect)
{
if (!multiSelect)
{
Clear();
}
SelectionElement se = new SelectionElement(result.Node, geometryID, patchID);
se.Highlight();
selection.Add(se);
}
else if (index >= 0 && unselect)
{
Unselect(index);
}
return(true);
}
else
{
SelectableSceneNode n = result.Node as SelectableSceneNode;
if (n != null)
{
int index = GetIndex(result.Node, -1);
if (index < 0 && !unselect)
{
if (!multiSelect)
{
Clear();
}
SelectionElement se = new SelectionElement(result.Node, geometryID);
se.Highlight();
selection.Add(se);
}
else if (index >= 0 && unselect)
{
Unselect(index);
}
return(true);
}
}
return(false);
//}
//return false;
//else if (!multiSelect)
// Clear();
}
private void MouseMove(System.Drawing.Point pt, Double2 xy, MouseKey buttons)
{
if (buttons == MouseKey.Left && enabled)
{
if (shifting && !lockPositions)
{
double zoomNormalizedScreenHeight = camera.ZoomFactor;
Double2 offset = (xy - lastPos);
offset.X *= zoomNormalizedScreenHeight * camera.AspectRatio;
offset.Y *= zoomNormalizedScreenHeight;
Double3 o = camera.Up * offset.Y + camera.Right * offset.X;
for (int i = 0; i < selectionHandler.Count; ++i)
{
SelectableSceneNode node = selectionHandler[i];
Double4x4 m = node.AbsoluteTransformation;
m.ClearTranslation();
Double4x4 mInv = m;
mInv.Invert();
Double4x4 translation = (mInv * Double4x4.CreateTranslation(o) * m);
if (!xDirectionEnabled)
{
translation.M14 = 0;
}
if (!yDirectionEnabled)
{
translation.M24 = 0;
}
if (!zDirectionEnabled)
{
translation.M34 = 0;
}
node.RelativeTransformation = translation * node.RelativeTransformation;
OnNodeChanged(node);
}
lastPos = xy;
}
else if (directionEditingEnabled)
{
for (int i = 0; i < selectionHandler.Count; ++i)
{
IInteractiveDirectionSceneNode n = selectionHandler[i] as IInteractiveDirectionSceneNode;
//object test = selectionHandler[i];
if (n != null)
{
if (rotateAroundViewDirectionOnly)
{
Double3 dir = selectionHandler[i].AbsoluteTransformation.Inverted().TransformDirection(camera.LookAt).Normalized();
n.SetEndInPlane(xy, camera, dir);
}
else
{
n.SetEnd(xy, camera);
}
OnNodeChanged(selectionHandler[i]);
}
}
}
if (selectionHandler.Count > 0)
{
OnPositionChanged();
}
}
}
