From 888b8e725ad3a77832bfaf8abfc5d6d1c22bec8e Mon Sep 17 00:00:00 2001
From: Xbs233 <32960078+Xbs233@users.noreply.github.com>
Date: Tue, 8 Aug 2023 21:23:12 +0800
Subject: [PATCH] =?UTF-8?q?fix:=E6=89=8B=E5=8A=BF=E7=BC=A9=E5=B0=8F?=
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修复初次onTouchmove时 必然是放大的情况
---
 simple-mind-map/src/plugins/TouchEvent.js | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/simple-mind-map/src/plugins/TouchEvent.js b/simple-mind-map/src/plugins/TouchEvent.js
index ea8681b4..e8328ae5 100644
--- a/simple-mind-map/src/plugins/TouchEvent.js
+++ b/simple-mind-map/src/plugins/TouchEvent.js
@@ -57,7 +57,10 @@ class TouchEvent {
       let { x: touch2ClientX, y: touch2ClientY } = this.mindMap.toPos(touch2.clientX, touch2.clientY)
       let cx = (touch1ClientX + touch2ClientX) / 2
       let cy = (touch1ClientY + touch2ClientY) / 2
-      if (distance > this.doubleTouchmoveDistance) {
+      if (this.doubleTouchmoveDistance === 0) {
+        this.doubleTouchmoveDistance = distance
+        return;
+      } else if (distance > this.doubleTouchmoveDistance) {
         // 放大
         this.mindMap.view.enlarge(cx, cy, true)
       } else {