From 8b254fb84d176552302b8bfa2ff80eaeb3a06dbf Mon Sep 17 00:00:00 2001
From: SmallMain <smallmain@outlook.com>
Date: Wed, 27 Nov 2024 15:42:51 +0800
Subject: [PATCH] [engine] Fix the character spacing error in the rendering of
 Label under Char Mode

---
 engine/cocos2d/core/renderer/utils/label/bmfont.js      | 4 ++++
 engine/cocos2d/core/renderer/utils/label/letter-font.js | 6 +++++-
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/engine/cocos2d/core/renderer/utils/label/bmfont.js b/engine/cocos2d/core/renderer/utils/label/bmfont.js
index ccce272b..c4e8b4cf 100644
--- a/engine/cocos2d/core/renderer/utils/label/bmfont.js
+++ b/engine/cocos2d/core/renderer/utils/label/bmfont.js
@@ -232,6 +232,10 @@ export default class BmfontAssembler extends Assembler2D {
         }
     }
 
+    _clearHorizontalKerning() {
+        _horizontalKernings.length = 0;
+    }
+
     _multilineTextWrap (nextTokenFunc) {
         let textLen = _string.length;
 
diff --git a/engine/cocos2d/core/renderer/utils/label/letter-font.js b/engine/cocos2d/core/renderer/utils/label/letter-font.js
index b90534e3..9b815ce7 100644
--- a/engine/cocos2d/core/renderer/utils/label/letter-font.js
+++ b/engine/cocos2d/core/renderer/utils/label/letter-font.js
@@ -560,7 +560,11 @@ export default class LetterFontAssembler extends WebglBmfontAssembler {
 
         return fontDesc;
     }
-    _computeHorizontalKerningForText () {}
+
+    _computeHorizontalKerningForText () {
+        this._clearHorizontalKerning();
+    }
+
     _determineRect (tempRect) {
         return false;
     }