public ChemEntity TrySelectAtPoint(int x, int y)
{
Vector3 pickRay, pickRayDir, pickRayOrigin;
// Compute the vector of the pick ray in screen space
pickRay.X = (((2.0f * x) / width) - 1) / view3D.Projection.M11;
pickRay.Y = -(((2.0f * y) / height) - 1) / view3D.Projection.M22;
pickRay.Z = 1.0f;
Matrix matInverseView = Matrix.Invert(view3D.ViewMatrix);
// Transform the screen space pick ray into 3D space
pickRayDir.X = pickRay.X * matInverseView.M11 + pickRay.Y * matInverseView.M21 + pickRay.Z * matInverseView.M31;
pickRayDir.Y = pickRay.X * matInverseView.M12 + pickRay.Y * matInverseView.M22 + pickRay.Z * matInverseView.M32;
pickRayDir.Z = pickRay.X * matInverseView.M13 + pickRay.Y * matInverseView.M23 + pickRay.Z * matInverseView.M33;
pickRayDir.Normalize();
pickRayOrigin.X = matInverseView.M41;
pickRayOrigin.Y = matInverseView.M42;
pickRayOrigin.Z = matInverseView.M43;
pickRayOrigin.Add(Vector3.Multiply(pickRayDir, 1.0f)); // near plane
// transform trough world space
Matrix inverseWorld = Matrix.Invert(view3D.WorldMatrix * rotation); // scene-world == object-world
Vector3 localOrigin = Vector3.TransformCoordinate(pickRayOrigin, inverseWorld);
Vector3 localDir = Vector3.TransformNormal(pickRayDir, inverseWorld);
// trace through scene via manager
ChemEntity entity = sceneManager.TraceRayInScene(localOrigin, localDir);
return(entity);
}
public ChemEntity TraceRayInScene(Vector3 rayOrigin, Vector3 rayDir)
{
ChemEntity entity = (ChemEntity)sceneGraph.RayIntersectFirst(rayOrigin, rayDir);
/*if (entity != null)
* {
* AtomSelectionEntity selEntity = new AtomSelectionEntity((AtomEntity)entity);
* selEntity.Init(device);
* postSceneViewEntities.Add(selEntity);
* }*/
/*Ray3D ray = new Ray3D(rayOrigin, rayDir, 20f);
* postSceneWorldEntities.Add(ray);
* ray.Init(device);*/
return(entity);
}
void control_OnEntitySelected(ChemEntity entity)
{
object obj = null;
if (entity.CdkObject is IAtom)
{
AtomWrapper atom = new AtomWrapper((IAtom)entity.CdkObject);
obj = atom;
ListViewItem[] connectedItems = atom.GetConnectedItemsForListView(currentSelected.ChemControl, uiConnectedList.Groups[0], uiConnectedList.Groups[1]);
uiConnectedList.Items.Clear();
if (connectedItems != null)
{
uiConnectedList.Items.AddRange(connectedItems);
}
}
propertyGrid1.SelectedObject = obj;
}
public ChemEntity TrySelectAtPoint(int x, int y)
{
selected.Clear();
if (renderContext != null)
{
ChemEntity entity = renderContext.TrySelectAtPoint(x, y);
if (entity != null)
{
selected.Add(entity);
}
// update view
renderContext.UpdateSelectedItems(selected);
Render();
return(entity);
}
return(null);
}
protected override void OnMouseDown(MouseEventArgs e)
{
base.OnMouseDown(e);
if (renderContext != null && renderSource != null)
{
// pass to layers first
if (renderContext.OnLayerMouseDown(e))
{
Render();
return;
}
if (controlMode == ControlMode.ViewMovement)
{
if (e.Button == MouseButtons.Left && e.Clicks == 2)
{
ChemEntity obj = TrySelectAtPoint(e.X, e.Y);
if (obj != null && OnEntitySelected != null)
{
OnEntitySelected(obj);
}
}
else if (controlHandler != null && controlHandler.OnMouseDown(e))
{
Render();
}
}
else if (controlMode == ControlMode.Selection)
{
// Start selection area
renderContext.StartSelectionArea(e.X, e.Y);
}
else if (controlMode == ControlMode.SelectionMovement)
{
// start movement of the selected items
}
}
}
public ChemEntity[] QueryConnectedEntities(ChemEntity entity)
{
throw new Exception("The method or operation is not implemented.");
}
public ChemEntity GetNearestTo(ChemEntity entity)
{
throw new Exception("The method or operation is not implemented.");
}
public ChemEntity[] GetAllNearby(ChemEntity entity, float radius)
{
throw new Exception("The method or operation is not implemented.");
}
