public override void OnMouseUp(MouseEventArgs mouseEvent)
{
Invalidate();
if (SuppressObject3DControls)
{
return;
}
Ray ray = this.World.GetRayForLocalBounds(mouseEvent.Position);
bool anyObject3DControlVolumeHit = FindHitObject3DControl(ray, out IObject3DControl object3DControl, out IntersectInfo info);
var mouseEvent3D = new Mouse3DEventArgs(mouseEvent, ray, info);
if (MouseDownOnObject3DControlVolume && mouseDownObject3DControl != null)
{
mouseDownObject3DControl.OnMouseUp(mouseEvent3D);
SelectedObject3DControl = null;
mouseDownObject3DControl = null;
}
else
{
mouseDownObject3DControl = null;
if (anyObject3DControlVolumeHit)
{
object3DControl.OnMouseUp(mouseEvent3D);
}
SelectedObject3DControl = null;
}
base.OnMouseUp(mouseEvent);
}
private bool FindHitObject3DControl(Ray ray, out IObject3DControl hitObject3DControl, out IntersectInfo info)
{
var object3DControls = this.Object3DControls;
hitObject3DControl = null;
if (!object3DControls.Any())
{
info = null;
return(false);
}
var traceables = new List <ITraceable>();
foreach (var object3DControl in object3DControls)
{
ITraceable traceable = object3DControl.GetTraceable();
if (traceable != null)
{
traceables.Add(traceable);
}
}
if (traceables.Count <= 0)
{
info = null;
return(false);
}
var bvhHierachy = BoundingVolumeHierarchy.CreateNewHierachy(traceables);
info = bvhHierachy.GetClosestIntersection(ray);
if (info != null)
{
// we hit some part of the collection of controls, figure out which one
foreach (var object3DControlBase in object3DControls)
{
var insideBounds = new List <IBvhItem>();
var traceable = object3DControlBase.GetTraceable();
if (traceable != null)
{
traceable.GetContained(insideBounds, info.ClosestHitObject.GetAxisAlignedBoundingBox());
if (insideBounds.Contains(info.ClosestHitObject))
{
// we hit the control that has the hit point within its bounds
hitObject3DControl = object3DControlBase;
return(true);
}
}
}
}
return(false);
}
