Backup_Repos/jsketcher
1
0
Fork 0
mirror of https://github.com/xibyte/jsketcher synced 2025-12-09 09:52:34 +01:00
Code Issues Projects Releases Wiki Activity

point on bezier curve constraint

Browse source
This commit is contained in:
Val Erastov (xibyte) 2020-03-10 19:18:04 -07:00
parent bbdd0a00dc
commit e7c25081e2
2 changed files with 84 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

28
web/app/sketcher/actions/constraintActions.js
View file

@ -6,6 +6,7 @@ import {isInstanceOf, matchAll, matchTypes} from "./matchUtils";
import {Arc} from "../shapes/arc";
import {FilletTool} from "../tools/fillet";
import {editConstraint as _editConstraint} from "../components/ConstraintEditor";
import {BezierCurve} from "../shapes/bezier-curve";
export default [
@ -165,6 +166,33 @@ export default [
}
},
{
id: 'PointOnCurve',
shortName: 'Point On Curve',
kind: 'Constraint',
description: 'Point On Curve',
selectionMatcher: {
selector: 'matchSequence',
sequence: [
{
types: [EndPoint],
quantity: 1
},
{
types: [BezierCurve],
quantity: 1
},
]
},
invoke: (ctx, matchedObjects) => {
const {viewer} = ctx;
const [pt, curve] = matchedObjects;
let pm = viewer.parametricManager;
pm.add(new AlgNumConstraint(ConstraintDefinitions.PointOnBezier, [pt, curve]));
}
},
{
id: 'PointInMiddle',
shortName: 'Middle Point',

57
web/app/sketcher/constr/ANConstraints.js
View file

@ -1,7 +1,8 @@
import {Param} from '../shapes/param';
import {R_DistancePP, R_Equal, R_PointOnLine} from "./residuals";
import {indexById} from "../../../../modules/gems/iterables";
import {_270, _90, DEG_RAD, distanceAB, makeAngle0_360} from "../../math/math";
import {COS_FN, Polynomial, POW_1_FN, POW_2_FN, SIN_FN} from "./polynomial";
import {COS_FN, Polynomial, POW_1_FN, POW_2_FN, POW_3_FN, SIN_FN} from "./polynomial";
import {Types} from "../io";
import Vector from "math/vector";
@ -125,6 +126,60 @@ export const ConstraintDefinitions = {
},
PointOnBezier: {
id: 'PointOnBezier',
name: 'Point On Bezier Curve',
defineParamsScope: ([pt, curve], callback) => {
curve.visitParams(callback);
callback(new Param(0.5, 't'));
pt.visitParams(callback);
},
collectPolynomials: (polynomials, [p0x,p0y, p3x,p3y, p1x,p1y, p2x,p2y, t, px, py]) => {
const bz3Poly = (p, t, p0, p1, p2, p3) => new Polynomial()
.monomial(-1)
.term(t, POW_3_FN)
.term(p0, POW_1_FN)
.monomial(3)
.term(t, POW_2_FN)
.term(p0, POW_1_FN)
.monomial(-3)
.term(t, POW_1_FN)
.term(p0, POW_1_FN)
.monomial(1)
.term(p0, POW_1_FN)
.monomial(3)
.term(t, POW_3_FN)
.term(p1, POW_1_FN)
.monomial(-6)
.term(t, POW_2_FN)
.term(p1, POW_1_FN)
.monomial(3)
.term(t, POW_1_FN)
.term(p1, POW_1_FN)
.monomial(-3)
.term(t, POW_3_FN)
.term(p2, POW_1_FN)
.monomial(3)
.term(t, POW_2_FN)
.term(p2, POW_1_FN)
.monomial(1)
.term(t, POW_3_FN)
.term(p3, POW_1_FN)
.monomial(-1)
.term(p, POW_1_FN);
polynomials.push(bz3Poly(px, t, p0x, p1x, p2x, p3x));
polynomials.push(bz3Poly(py, t, p0y, p1y, p2y, p3y));
},
},
PointInMiddle: {
id: 'PointInMiddle',
name: 'Middle Point',