public static void TryToMakeNewConnection(Joint from, Joint to, Connection lastDraggedConnection)
{
if (from != null && to != null){
if (lastDraggedConnection.InputJoint != null && lastDraggedConnection.OutputJoint != null){
ObjectConnector.UpdateExistingConnection(from, to, lastDraggedConnection);
} else {
ObjectConnector.CreateNewConnection(from, to);
}
}
}
public static void UpdateExistingConnection(Joint jointFrom, Joint jointTo, Connection existingConnection)
{
if (jointFrom == jointTo){
return;
}
Joint changeJointFrom, changeJointTo;
Joint anotherJoint;
if (existingConnection.InputJoint == jointFrom || existingConnection.InputJoint == jointTo){
changeJointFrom = existingConnection.InputJoint;
anotherJoint = existingConnection.OutputJoint;
} else {
changeJointFrom = existingConnection.OutputJoint;
anotherJoint = existingConnection.InputJoint;
}
ClearReffToAnotherObject(changeJointFrom);
changeJointTo = jointFrom == changeJointFrom ? jointTo : jointFrom;
CreateNewConnection(changeJointTo, anotherJoint);
}
void HandleDraggConnections(List<Node> nodes, Connection lastDraggedConnection)
{
switch(Event.current.GetTypeForControl(ControlID)){
case EventType.MouseDown:
{
StartDraggJoint = GetJointUnderMousePosition(nodes);
if (StartDraggJoint != null){
GUIUtility.hotControl = StartDraggJoint.ControlID;
Event.current.Use();
}
break;
}
case EventType.mouseUp:
{
if (StartDraggJoint != null){
Joint EndDragJoint = GetJointUnderMousePosition(nodes);
ObjectConnector.TryToMakeNewConnection(StartDraggJoint, EndDragJoint, lastDraggedConnection);
StartDraggJoint = null;
GUIUtility.hotControl = 0;
Event.current.Use();
}
break ;
}
}
}
