public void Draw(StateGraphView view)
{
if (Vector2.Distance(startPos, currentPos) > 1)
{
view.Canvas.DrawStraightLine(startPos, currentPos, Color.yellow, 3);
var currNode = view.HitTest(currentPos);
if (currNode != null && currNode != node)
{
StateNode from;
StateNode to;
if (isOut)
{
from = node.Node;
to = currNode;
}
else
{
to = node.Node;
from = currNode;
}
if (view.Graph.CheckLink(from, to, isChild))
{
view.Canvas.DrawArea(currNode.Bounds, Color.yellow);
}
}
}
}
public void OnDragEnd(StateGraphView view, Vector2 ptInWorld)
{
var currNode = view.HitTest(ptInWorld);
if (currNode == node)
{
if (!isChild)
{
return;
}
currNode = null;
}
if (currNode != null)
{
StateNode from;
StateNode to;
if (isOut)
{
from = node.Node;
to = currNode;
}
else
{
to = node.Node;
from = currNode;
}
view.CreateLink(from, to, isChild);
view.SelectNode(currNode);
}
else
{
//此处弹出创建节点下拉窗口
StateNodeCreatDropdown dropDown = new StateNodeCreatDropdown(view, node, isOut, isChild);
dropDown.Show(new Rect(view.Canvas.MouseInView, new Vector2(250, 0)));
}
}
