From 49b25e755b70ec412feaaf0b898d6f7e09d2bea6 Mon Sep 17 00:00:00 2001
From: chai <chaifix@163.com>
Date: Tue, 28 Jun 2022 09:40:37 +0800
Subject: +node example

---
 .../Assets/UNEB/Editor/Actions/DragNode.cs         | 42 ++++++++++++++++++++++
 1 file changed, 42 insertions(+)
 create mode 100644 Other/NodeEditorExamples/Assets/UNEB/Editor/Actions/DragNode.cs

(limited to 'Other/NodeEditorExamples/Assets/UNEB/Editor/Actions/DragNode.cs')

diff --git a/Other/NodeEditorExamples/Assets/UNEB/Editor/Actions/DragNode.cs b/Other/NodeEditorExamples/Assets/UNEB/Editor/Actions/DragNode.cs
new file mode 100644
index 00000000..9e4d89d0
--- /dev/null
+++ b/Other/NodeEditorExamples/Assets/UNEB/Editor/Actions/DragNode.cs
@@ -0,0 +1,42 @@
+
+using UnityEngine;
+
+namespace UNEB
+{
+    public class DragNode : MultiStageAction
+    {
+        private Node _draggingNode;
+
+        private Vector2 _startDragPos, _endDragPos;
+
+        public const float dragSpeed = 1f;
+
+        public override void Undo()
+        {
+            _draggingNode.bodyRect.position = _startDragPos;
+        }
+
+        public override void Redo()
+        {
+            _draggingNode.bodyRect.position = _endDragPos;
+        }
+
+        public override void Do()
+        {
+            NodeEditor editor = manager.window.editor;
+            _draggingNode.bodyRect.position += Event.current.delta * editor.ZoomScale * dragSpeed;
+        }
+
+        public override void OnActionStart()
+        {
+            _draggingNode = manager.window.state.selectedNode;
+            _startDragPos = _draggingNode.bodyRect.position;
+        }
+
+        public override bool OnActionEnd()
+        {
+            _endDragPos = _draggingNode.bodyRect.position;
+            return true;
+        }
+    }
+}
\ No newline at end of file
-- 
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