From 10295d0e92c07071953874d16d64f31f57fe996c Mon Sep 17 00:00:00 2001
From: Val Erastov <xibyte@gmail.com>
Date: Sun, 12 Mar 2023 16:15:17 -0700
Subject: [PATCH] fixing tesselation

---
 modules/geom/impl/curve/curve-tess.js | 8 ++++++--
 web/app/cad/sketch/sketchModel.ts     | 6 +++---
 2 files changed, 9 insertions(+), 5 deletions(-)

diff --git a/modules/geom/impl/curve/curve-tess.js b/modules/geom/impl/curve/curve-tess.js
index 67bd5370..a573f48f 100644
--- a/modules/geom/impl/curve/curve-tess.js
+++ b/modules/geom/impl/curve/curve-tess.js
@@ -19,8 +19,12 @@ export function curveTessParams(curve, min, max, tessTol, scale) {
   splits.push(max);
 
   function refine(u1, u2, step) {
-    if (step <  u2 - u1) {
-      const mid = u1 + (u2 - u1) * 0.5;
+    const uDist = u2 - u1;
+    if (uDist < 1e-3) {
+      return
+    }
+    if (step <  uDist) {
+      const mid = u1 + uDist * 0.5;
       refine(u1, mid, step);
       out.push(mid);
       refine(mid, u2, curveStep(curve, mid, tessTol, scale));
diff --git a/web/app/cad/sketch/sketchModel.ts b/web/app/cad/sketch/sketchModel.ts
index 0d6839ed..5488da47 100644
--- a/web/app/cad/sketch/sketchModel.ts
+++ b/web/app/cad/sketch/sketchModel.ts
@@ -457,10 +457,10 @@ export class Contour {
     return cc;
   }
 
-  tessellate(resolution) {
+  tessellate() {
     const tessellation = [];
     for (const segment of this.segments) {
-      const segmentTessellation = segment.tessellate(resolution);
+      const segmentTessellation = segment.tessellate(segment.massiveness() * 0.1);
       //skip last one because it's guaranteed to be closed
       for (let i = 0; i < segmentTessellation.length - 1; ++i) {
         tessellation.push(segmentTessellation[i]);
@@ -470,7 +470,7 @@ export class Contour {
   }
 
   isCCW() {
-    return isCCW(this.tessellate(10));
+    return isCCW(this.tessellate());
   }
 
   reverse() {