From 17c138cd21ee50a24f50883a47ed98ce30341eed Mon Sep 17 00:00:00 2001
From: Jiahong Huang <jiahong.huang@shopee.com>
Date: Thu, 7 Dec 2023 19:07:35 +0800
Subject: [PATCH] [Fix]Fix export bezier intangent date error when 2 keyframe
 values are same

---
 bundle/jsx/utils/keyframeHelper.jsx | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/bundle/jsx/utils/keyframeHelper.jsx b/bundle/jsx/utils/keyframeHelper.jsx
index b8c11486..fedc6eb3 100644
--- a/bundle/jsx/utils/keyframeHelper.jsx
+++ b/bundle/jsx/utils/keyframeHelper.jsx
@@ -268,8 +268,10 @@ $.__bodymovin.bm_keyframeHelper = (function () {
                                 } else {
                                     yNormal = (key.value[k] - lastKey.value[k]);
                                 }
+                                var nmlFlag = true;
                                 if(Math.abs(yNormal) < 0.0000001) {
                                     yNormal = 1;
+                                    nmlFlag = false;
                                 }
                                 // bm_eventDispatcher.log('yNormal')
                                 // bm_eventDispatcher.log(yNormal)
@@ -283,6 +285,10 @@ $.__bodymovin.bm_keyframeHelper = (function () {
                                 // bm_eventDispatcher.log(bezierInY)
                                 bezierIn.y[k] = 1 - (bezierInY*duration)/yNormal;
                                 bezierOut.y[k] = (bezierY*duration)/yNormal;
+                                if(!nmlFlag)
+                                {
+                                    bezierIn.y[k] = -(bezierInY*duration)/yNormal;
+                                }
                             }
                         }
                         break;