From 1654fa8e9cc673d848b550361fc12a3ee04123cd Mon Sep 17 00:00:00 2001
From: Val Erastov <xibyte@gmail.com>
Date: Sun, 29 Jan 2017 23:48:33 -0800
Subject: [PATCH] use data of topo-object for half edges

---
 web/app/brep/operations/boolean.js | 14 +++++++-------
 web/app/brep/topo/Edge.js          |  3 ++-
 2 files changed, 9 insertions(+), 8 deletions(-)

diff --git a/web/app/brep/operations/boolean.js b/web/app/brep/operations/boolean.js
index a1ce0240..8688c618 100644
--- a/web/app/brep/operations/boolean.js
+++ b/web/app/brep/operations/boolean.js
@@ -902,25 +902,25 @@ function EdgeSolveData() {
 EdgeSolveData.EMPTY = new EdgeSolveData();
 
 EdgeSolveData.get = function(edge) {
-  if (!edge.__edgeSolveData) {
+  if (!edge.data[MY]) {
     return EdgeSolveData.EMPTY;
   }
-  return edge.__edgeSolveData;
+  return edge.data[MY];
 };
 
 EdgeSolveData.createIfEmpty = function(edge) {
-  if (!edge.__edgeSolveData) {
-    edge.__edgeSolveData = new EdgeSolveData();
+  if (!edge.data[MY]) {
+    edge.data[MY] = new EdgeSolveData();
   }
-  return edge.__edgeSolveData;
+  return edge.data[MY];
 };
 
 EdgeSolveData.clear = function(edge) {
-  delete edge.__edgeSolveData;
+  delete edge.data[MY];
 };
 
 EdgeSolveData.transfer = function(from, to) {
-  to.__edgeSolveData = from.__edgeSolveData;
+  to.data[MY] = from.data[MY];
 };
 
 function Node(vertex, normal, splitsEdge, splittingFace) {
diff --git a/web/app/brep/topo/Edge.js b/web/app/brep/topo/Edge.js
index 6923860d..9b63f2d5 100644
--- a/web/app/brep/topo/Edge.js
+++ b/web/app/brep/topo/Edge.js
@@ -10,9 +10,10 @@ export class Edge extends TopoObject {
   }
 }
 
-export class HalfEdge {
+export class HalfEdge extends TopoObject {
 
   constructor() {
+    super();
     this.edge = null;
     this.vertexA = null;
     this.vertexB = null;