From 1e2caa02f0c90dd81e5fb5a04410308c555e4438 Mon Sep 17 00:00:00 2001
From: kaokei <kaokei.rst@gmail.com>
Date: Sat, 31 Aug 2024 15:41:31 +0800
Subject: [PATCH] Update node.ts setSiblingIndex support negative index

eg.
-1 equals siblings.length -1.
-2 equals siblings.length -2.
-3 equals siblings.length -3.
---
 cocos/scene-graph/node.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cocos/scene-graph/node.ts b/cocos/scene-graph/node.ts
index 421e1a3f827..eebc530744b 100644
--- a/cocos/scene-graph/node.ts
+++ b/cocos/scene-graph/node.ts
@@ -630,7 +630,7 @@ export class Node extends CCObject implements ISchedulable, CustomSerializable {
             return;
         }
         const siblings = this._parent._children;
-        index = index !== -1 ? index : siblings.length - 1;
+        index = index >= 0 ? index : siblings.length + index;
         const oldIndex = siblings.indexOf(this);
         if (index !== oldIndex) {
             siblings.splice(oldIndex, 1);