From 738a56b3c18c06d8290346373eb60a125120caaf Mon Sep 17 00:00:00 2001
From: Lionel Han <47760119+IGoByJoe@users.noreply.github.com>
Date: Thu, 18 Jun 2020 15:02:50 -0700
Subject: hopefully fixed new ink

---
 src/pen-gestures/ndollar.ts | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

(limited to 'src/pen-gestures')

diff --git a/src/pen-gestures/ndollar.ts b/src/pen-gestures/ndollar.ts
index 9d42035d1..ecd8df3e7 100644
--- a/src/pen-gestures/ndollar.ts
+++ b/src/pen-gestures/ndollar.ts
@@ -552,7 +552,7 @@ function Distance(p1: any, p2: any) // distance between two points
 }
 function CalcStartUnitVector(points: any, index: any) // start angle from points[0] to points[index] normalized as a unit vector
 {
-    const v = new Point(points[index].X - points[0].X, points[index].Y - points[0].Y);
+    const v = new Point(points[index]?.X - points[0]?.X, points[index]?.Y - points[0]?.Y);
     const len = Math.sqrt(v.X * v.X + v.Y * v.Y);
     return new Point(v.X / len, v.Y / len);
 }
-- 
cgit v1.2.3-70-g09d2