From fabaad0251cf4f64c1af7a37a5f3d6622011c058 Mon Sep 17 00:00:00 2001
From: vkalev <vjk1883@gmail.com>
Date: Thu, 22 Jul 2021 11:30:18 -0400
Subject: adding broken indices to layoutDoc working

---
 src/client/views/InkStrokeProperties.ts | 11 ++++-------
 1 file changed, 4 insertions(+), 7 deletions(-)

(limited to 'src/client/views/InkStrokeProperties.ts')

diff --git a/src/client/views/InkStrokeProperties.ts b/src/client/views/InkStrokeProperties.ts
index 4c225210e..f218b4fbf 100644
--- a/src/client/views/InkStrokeProperties.ts
+++ b/src/client/views/InkStrokeProperties.ts
@@ -15,7 +15,6 @@ export class InkStrokeProperties {
     @observable _lock = false;
     @observable _controlButton = false;
     @observable _currentPoint = -1;
-    // @observable _brokenIndices: List<number> = new List<number>();
 
     constructor() {
         InkStrokeProperties.Instance = this;
@@ -112,11 +111,9 @@ export class InkStrokeProperties {
                 }
                 
             }
-
             let brokenIndices = Cast(doc.brokenInkIndices, listSpec("number"));
-
             // Updating the indices of the control points whose handle tangency has been broken.
-            if(brokenIndices){
+            if (brokenIndices) {
                 brokenIndices = new List(brokenIndices.map((control) => { 
                     if (control >= newIndex) {
                         return control + 4; 
@@ -283,7 +280,7 @@ export class InkStrokeProperties {
     }
 
     /**
-     * Finds the angle between two inputted vectors.
+     * Finds the angle (in radians) between two inputted vectors.
      * 
      * α = arccos(a·b / |a|·|b|), where a and b are both vectors.
      */
@@ -323,9 +320,9 @@ export class InkStrokeProperties {
             const controlPoint = ink[controlIndex];
             const newHandlePoint = { X: ink[handleIndex].X - deltaX / xScale, Y: ink[handleIndex].Y - deltaY / yScale };
             ink[handleIndex] = newHandlePoint;
-            let brokenIndices = Cast(doc.brokenInkIndices, listSpec("number"));
+            const brokenIndices = Cast(doc.brokenInkIndices, listSpec("number"));
             // Rotate opposite handle if user hasn't held 'Alt' key or not first/final control (which have only 1 handle).
-            if (brokenIndices && !brokenIndices.includes(controlIndex) && handleIndex !== 1 && handleIndex !== ink.length - 2) {
+            if ((!brokenIndices || !brokenIndices?.includes(controlIndex)) && handleIndex !== 1 && handleIndex !== ink.length - 2) {
                 const angle = this.angleChange(oldHandlePoint, newHandlePoint, controlPoint);
                 oppositeHandlePoint = this.rotatePoint(oppositeHandlePoint, controlPoint, angle);
                 ink[oppositeHandleIndex] = oppositeHandlePoint;
-- 
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