From 24acddcc5afc72597201fe76e6c48dc3d2960025 Mon Sep 17 00:00:00 2001
From: "Val Erastov (xibyte)" <xibyte@gmail.com>
Date: Sun, 19 Jul 2020 21:59:04 -0700
Subject: [PATCH] move out legacy bezier luts

---
 web/app/cad/sketch/sketchModel.js       |  4 +--
 web/app/math/bezier-cubic.js            | 33 ---------------------
 web/app/sketcher/shapes/bezier-curve.js | 38 +++++++++++++++++++++++--
 3 files changed, 36 insertions(+), 39 deletions(-)
 delete mode 100644 web/app/math/bezier-cubic.js

diff --git a/web/app/cad/sketch/sketchModel.js b/web/app/cad/sketch/sketchModel.js
index 58251ae4..1534c9f0 100644
--- a/web/app/cad/sketch/sketchModel.js
+++ b/web/app/cad/sketch/sketchModel.js
@@ -1,11 +1,9 @@
 import verb from 'verb-nurbs'
 import BrepCurve from '../../brep/geom/curves/brepCurve';
 import NurbsCurve from '../../brep/geom/curves/nurbsCurve';
-import {Point} from '../../brep/geom/point'
-import {LUT} from '../../math/bezier-cubic'
 import {makeAngle0_360} from '../../../../modules/math/commons'
 import {normalizeCurveEnds} from '../../brep/geom/impl/nurbs-ext';
-import Vector, {AXIS, ORIGIN} from '../../../../modules/math/vector';
+import Vector from '../../../../modules/math/vector';
 import CSys from "../../../../modules/math/csys";
 import {distanceAB} from "../../../../modules/math/distance";
 import {isCCW} from "../../../../modules/math/euclidean";
diff --git a/web/app/math/bezier-cubic.js b/web/app/math/bezier-cubic.js
deleted file mode 100644
index 04b080bf..00000000
--- a/web/app/math/bezier-cubic.js
+++ /dev/null
@@ -1,33 +0,0 @@
-import Vector from 'math/vector';
-
-export function LUT(a, b, cp1, cp2, scale) {
-  scale = 1 / scale;
-  const lut = [];
-  for (let t = 0; t < 1; t += 0.1 * scale) {
-    const p = compute(t, a, b, cp1, cp2);
-    lut.push(p);
-  }
-  lut[0] = a;
-  lut[lut.length - 1] = b;
-  return lut;
-}
-
-export function compute(t, from, to, controlPoint1, controlPoint2) {
-  const mt = 1 - t;
-  const mt2 = mt * mt;
-  const t2 = t * t;
-
-  const a = mt2 * mt;
-  const b = mt2 * t * 3;
-  const c = mt * t2 * 3;
-  const d = t * t2;
-  const p0 = from;
-  const p3 = to;
-  const p1 = controlPoint1;
-  const p2 = controlPoint2;
-  return new Vector(
-    a * p0.x + b * p1.x + c * p2.x + d * p3.x,
-    a * p0.y + b * p1.y + c * p2.y + d * p3.y,
-    a * p0.z + b * p1.z + c * p2.z + d * p3.z
-  );
-}
diff --git a/web/app/sketcher/shapes/bezier-curve.js b/web/app/sketcher/shapes/bezier-curve.js
index c1d12dbf..a1ab06c9 100644
--- a/web/app/sketcher/shapes/bezier-curve.js
+++ b/web/app/sketcher/shapes/bezier-curve.js
@@ -1,10 +1,10 @@
 import {SketchObject} from './sketch-object'
 import {Segment} from './segment'
-import {LUT} from '../../math/bezier-cubic'
 import {ConvexHull2D} from '../../math/convex-hull'
 
 import * as draw_utils from '../shapes/draw-utils'
-import {isPointInsidePolygon, polygonOffset} from "../../../../modules/math/euclidean";
+import {isPointInsidePolygon, polygonOffset} from "math/euclidean";
+import Vector from "math/vector";
 
 
 export class BezierCurve extends SketchObject {
@@ -123,4 +123,36 @@ BezierCurve.prototype.TYPE = 'BezierCurve';
 
 BezierCurve.prototype._class = 'TCAD.TWO.BezierCurve';
 
-const RECOVER_LENGTH = 100;
\ No newline at end of file
+const RECOVER_LENGTH = 100;
+
+export function LUT(a, b, cp1, cp2, scale) {
+  scale = 1 / scale;
+  const lut = [];
+  for (let t = 0; t < 1; t += 0.1 * scale) {
+    const p = compute(t, a, b, cp1, cp2);
+    lut.push(p);
+  }
+  lut[0] = a;
+  lut[lut.length - 1] = b;
+  return lut;
+}
+
+export function compute(t, from, to, controlPoint1, controlPoint2) {
+  const mt = 1 - t;
+  const mt2 = mt * mt;
+  const t2 = t * t;
+
+  const a = mt2 * mt;
+  const b = mt2 * t * 3;
+  const c = mt * t2 * 3;
+  const d = t * t2;
+  const p0 = from;
+  const p3 = to;
+  const p1 = controlPoint1;
+  const p2 = controlPoint2;
+  return new Vector(
+    a * p0.x + b * p1.x + c * p2.x + d * p3.x,
+    a * p0.y + b * p1.y + c * p2.y + d * p3.y,
+    a * p0.z + b * p1.z + c * p2.z + d * p3.z
+  );
+}