From bbdd0a00dc16fdbf5c86bffdc09a13ee06a49d58 Mon Sep 17 00:00:00 2001
From: "Val Erastov (xibyte)" <xibyte@gmail.com>
Date: Tue, 10 Mar 2020 18:26:26 -0700
Subject: [PATCH] fix bezier curve

---
 web/app/sketcher/shapes/bezier-curve.js | 7 ++++---
 web/app/sketcher/tools/bezier-curve.js  | 9 +++++++--
 web/app/sketcher/tools/rectangle.js     | 1 -
 3 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/web/app/sketcher/shapes/bezier-curve.js b/web/app/sketcher/shapes/bezier-curve.js
index 6134ffc5..7f4514e7 100644
--- a/web/app/sketcher/shapes/bezier-curve.js
+++ b/web/app/sketcher/shapes/bezier-curve.js
@@ -1,4 +1,3 @@
-import {Ref} from './ref'
 import {SketchObject} from './sketch-object'
 import {Segment} from './segment'
 import {LUT} from '../../math/bezier-cubic'
@@ -6,8 +5,6 @@ import {ConvexHull2D} from '../../math/convex-hull'
 
 import * as draw_utils from '../shapes/draw-utils'
 import * as math from '../../math/math';
-import {Arc} from "./arc";
-import {EndPoint} from "./point";
 
 
 export class BezierCurve extends SketchObject {
@@ -26,6 +23,10 @@ export class BezierCurve extends SketchObject {
     }
   }
 
+  stabilize(viewer) {
+    this.children.forEach(c => c.stabilize(viewer));
+  }
+
   visitParams(callback) {
     this.a.visitParams(callback);
     this.b.visitParams(callback);
diff --git a/web/app/sketcher/tools/bezier-curve.js b/web/app/sketcher/tools/bezier-curve.js
index e1915732..1d67899b 100644
--- a/web/app/sketcher/tools/bezier-curve.js
+++ b/web/app/sketcher/tools/bezier-curve.js
@@ -4,6 +4,7 @@ import {BezierCurve} from '../shapes/bezier-curve'
 import {Constraints} from '../parametric'
 import Vector from 'math/vector';
 import * as math from '../../math/math'
+import {AlgNumConstraint, ConstraintDefinitions} from "../constr/ANConstraints";
 
 export class BezierCurveTool extends Tool {
 
@@ -35,12 +36,16 @@ export class BezierCurveTool extends Tool {
       this.viewer.activeLayer.add(this.curve);
       this.viewer.refresh();
     } else {
+      this.viewer.parametricManager.startTransaction();
       this.snapIfNeed(this.curve.b);
       if (this.otherCurveEndPoint != null) {
-        this.viewer.parametricManager.add(new Constraints.Parallel(this.otherCurveEndPoint.parent, this.curve.a.parent));
+        const smoothingConstr = new AlgNumConstraint(ConstraintDefinitions.Parallel, [this.otherCurveEndPoint.parent, this.curve.a.parent]);
+        smoothingConstr.initConstants();
+        this.viewer.parametricManager.add(smoothingConstr);
       }
+      this.curve.stabilize(this.viewer);
+      this.viewer.parametricManager.finishTransaction();
       this.viewer.toolManager.releaseControl();
-      this.viewer.refresh();
     }
   }
 
diff --git a/web/app/sketcher/tools/rectangle.js b/web/app/sketcher/tools/rectangle.js
index 09c222ee..aecf9037 100644
--- a/web/app/sketcher/tools/rectangle.js
+++ b/web/app/sketcher/tools/rectangle.js
@@ -1,7 +1,6 @@
 import {Tool} from './tool'
 import {EndPoint} from '../shapes/point'
 import {Segment} from '../shapes/segment'
-import {Constraints} from '../parametric'
 import {AlgNumConstraint, ConstraintDefinitions} from "../constr/ANConstraints";