public override void OnPointerDrag(PointerEvent evt)
{
NodeHandle handle = (NodeHandle)evt.downObject;
Vector2 mousePos = evt.mousePos;
if (_draggingHandle == null)
{
if (handle.type == NodeHandle.HandleType.Out)
{
_nodeCanvas.CreatePreviewConnection(handle, evt.mousePos);
_draggingHandle = handle;
}
else
{
NodePanel parent = handle.NodePanel.Parent;
if (parent != null)
{
_draggingHandle = parent.outHandle;
_nodeCanvas.RemoveChild(handle.NodePanel);
_nodeCanvas.CreatePreviewConnection(parent.outHandle, evt.mousePos);
}
}
}
if (_draggingHandle != null && _nodeCanvas.previewConnection != null)
{
_nodeCanvas.previewConnection.SetEndPosition(CanvasUtility.ScreenToCanvasPosition(mousePos, _nodeCanvas.canvasState));
_nodeCanvas.previewConnection.UpdatePoints(new List <NodeConnection>());
}
}
