/// <summary>
/// Perform the focusing logic
/// </summary>
private void PerformFocus()
{
IEnumerable <Node> selectedNodes = NodeEditor.GetSelectedNodes();
int count = 0;
Vector2 averagePosition = Vector2.zero;
foreach (Node node in selectedNodes)
{
averagePosition += node.NodeRect.position;
count++;
}
IEnumerable <Connector> selectedConnectors = NodeEditor.GetSelectedConnectors();
foreach (Connector connector in selectedConnectors)
{
Node startNode = connector.GetStartNode();
Node endNode = connector.GetEndNode();
averagePosition += ((startNode.NodeRect.position + endNode.NodeRect.position) * 0.5f);
count++;
}
if (count == 0)
{
foreach (Node node in NodeEditor.Nodes)
{
averagePosition += node.NodeRect.position;
count++;
}
}
if (count == 0)
{
NodeEditor.SetPanOffset(Vector2.zero);
return;
}
Vector2 offset = NodeEditor.NodeEditorRect.size * 0.5f;
NodeEditor.SetPanOffset((-averagePosition / count) + offset);
}
