From 1a7777d8c31bbef268e7679af017e9eb81f19918 Mon Sep 17 00:00:00 2001
From: Hao Ye <lingzheng.yh@taobao.com>
Date: Mon, 18 Dec 2023 17:20:26 +0800
Subject: [PATCH] fix: reset _identityCalculated on clone

---
 player/js/3rd_party/transformation-matrix.js | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/player/js/3rd_party/transformation-matrix.js b/player/js/3rd_party/transformation-matrix.js
index c3a7dbdaa..4b4e86759 100644
--- a/player/js/3rd_party/transformation-matrix.js
+++ b/player/js/3rd_party/transformation-matrix.js
@@ -255,6 +255,9 @@ const Matrix = (function () {
     for (i = 0; i < 16; i += 1) {
       matr.props[i] = this.props[i];
     }
+    if (typeof matr._identityCalculated === 'boolean') {
+      matr._identityCalculated = false;
+    }
     return matr;
   }
 
@@ -263,6 +266,7 @@ const Matrix = (function () {
     for (i = 0; i < 16; i += 1) {
       this.props[i] = props[i];
     }
+    this._identityCalculated = false;
   }
 
   function applyToPoint(x, y, z) {