From bb234a7c573f81b43fc2d7f4013e3a2a2e4cc12f Mon Sep 17 00:00:00 2001
From: Val Erastov <xibyte@gmail.com>
Date: Tue, 30 Aug 2022 19:28:06 -0700
Subject: [PATCH] calculating tesselation scale

---
 web/app/cad/scene/views/sketchObjectView.js |  7 ++++-
 web/app/cad/sketch/sketchModel.ts           | 29 ++++++++++++++++++++-
 2 files changed, 34 insertions(+), 2 deletions(-)

diff --git a/web/app/cad/scene/views/sketchObjectView.js b/web/app/cad/scene/views/sketchObjectView.js
index 37318e11..285ddac0 100644
--- a/web/app/cad/scene/views/sketchObjectView.js
+++ b/web/app/cad/scene/views/sketchObjectView.js
@@ -4,7 +4,12 @@ export class SketchObjectView extends CurveBasedView {
   
   constructor(ctx, mSketchObject, sketchToWorldTransformation) {
     const color = mSketchObject.construction ? 0x964B00 : 0x0000FF;
-    const tess = mSketchObject.sketchPrimitive.tessellate(10).map(sketchToWorldTransformation.apply).map(v => v.data());
+
+    const massiveness = mSketchObject.sketchPrimitive.massiveness();
+
+    const MAGIC_RATIO = 0.01;
+    const tess = mSketchObject.sketchPrimitive.tessellate(massiveness * MAGIC_RATIO)
+      .map(sketchToWorldTransformation.apply).map(v => v.data());
     super(ctx, mSketchObject, tess, 3, color);
     this.representation.onDblclick = () => {
       ctx.sketcherService.sketchFace(this.model.face);
diff --git a/web/app/cad/sketch/sketchModel.ts b/web/app/cad/sketch/sketchModel.ts
index a415a4b6..56f3782e 100644
--- a/web/app/cad/sketch/sketchModel.ts
+++ b/web/app/cad/sketch/sketchModel.ts
@@ -26,7 +26,7 @@ export class SketchPrimitive {
   }
 
   tessellate(resolution) {
-    return this.toNurbs(CSys.ORIGIN).tessellate();
+    return this.toNurbs(CSys.ORIGIN).tessellate(resolution);
     // return brepCurve.impl.verb.tessellate().map(p => new Vector().set3(p) );
 
     // const tessellation = this.tessellateImpl(resolution);
@@ -67,6 +67,10 @@ export class SketchPrimitive {
   toOCCGeometry(oci: OCCCommandInterface, underName: string, csys: CSys) {
     throw 'not implemented'
   }
+
+  massiveness() {
+    return 50;
+  }
 }
 
 export class Segment extends SketchPrimitive {
@@ -115,6 +119,9 @@ export class Segment extends SketchPrimitive {
     return this.a.minus(this.b);
   }
 
+  massiveness() {
+    return this.a.minus(this.b).length();
+  }
 }
 
 export class Arc extends SketchPrimitive {
@@ -192,6 +199,10 @@ export class Arc extends SketchPrimitive {
     oci.point(underName + "_T2", A_TAN.x, A_TAN.y, A_TAN.z);
     oci.gcarc(underName, "cir", underName + "_A", underName + "_T1", underName + "_T2", underName + "_B")
   }
+
+  massiveness() {
+    return this.a.minus(this.b).length();
+  }
 }
 
 export class BezierCurve extends SketchPrimitive {
@@ -211,6 +222,10 @@ export class BezierCurve extends SketchPrimitive {
   toVerbNurbs(tr) {
     return new verb.geom.BezierCurve([tr(this.a).data(), tr(this.cp1).data(), tr(this.cp2).data(), tr(this.b).data()], null);
   }
+
+  massiveness() {
+    return this.a.minus(this.b).length();
+  }
 }
 
 export class EllipticalArc extends SketchPrimitive {
@@ -253,6 +268,10 @@ export class EllipticalArc extends SketchPrimitive {
     return arc;
     // return adjustEnds(arc, tr(this.a), tr(this.b))
   }
+
+  massiveness() {
+    return Math.max(this.rx, this.ry);
+  }
 }
 
 export class Circle extends SketchPrimitive {
@@ -276,6 +295,10 @@ export class Circle extends SketchPrimitive {
     const DIR = csys.z;
     oci.circle(underName, ...C.data(), ...DIR.data(), this.r);
   }
+
+  massiveness() {
+    return this.r;
+  }
 }
 
 export class Ellipse extends SketchPrimitive {
@@ -303,6 +326,10 @@ export class Ellipse extends SketchPrimitive {
 
     return new verb.geom.Ellipse(tr(this.c).data(), tr(xAxis).data(), tr(yAxis).data());
   }
+
+  massiveness() {
+    return Math.max(this.rx, this.ry);
+  }
 }
 
 export class Contour {