From 83207410adb406f360a2df86cf06dfeebcc0a8e6 Mon Sep 17 00:00:00 2001
From: ChenX <maple6@vip.qq.com>
Date: Tue, 29 May 2018 09:27:09 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=AD=A3=E9=94=99=E8=AF=AF=E7=9A=84?=
 =?UTF-8?q?=E5=88=A4=E6=96=AD?=
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---
 dist/createBoard.js | 2 +-
 src/createBoard.ts  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/dist/createBoard.js b/dist/createBoard.js
index 2f9016e..df8fa71 100644
--- a/dist/createBoard.js
+++ b/dist/createBoard.js
@@ -80,7 +80,7 @@ function createBoard(boardData) {
         boardMat.setPosition(pBase);
         matInv.getInverse(boardMat, true);
     }
-    if (boardPts || boardPts.length === 0)
+    if (boardPts && boardPts.length !== 0)
         for (let i = 0; i < boardPts.length; i++) {
             let pt = getVec(boardPts[i]);
             if (pt.z !== undefined)
diff --git a/src/createBoard.ts b/src/createBoard.ts
index fdbc3fc..818904b 100644
--- a/src/createBoard.ts
+++ b/src/createBoard.ts
@@ -101,7 +101,7 @@ export function createBoard(boardData: object)
         matInv.getInverse(boardMat, true);
     }
 
-    if (boardPts || boardPts.length === 0)
+    if (boardPts && boardPts.length !== 0)
         for (let i = 0; i < boardPts.length; i++)
         {
             let pt = getVec(boardPts[i]);