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edge edge align to double edge edge implementation

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This commit is contained in:
Val Erastov (xibyte) 2020-07-05 23:17:26 -07:00
parent ef8a57ade3
commit 02bdeba3ca
2 changed files with 18 additions and 5 deletions
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13
web/app/cad/assembly/dof/EEDOF.ts
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@ -4,7 +4,7 @@ import {eqTol} from "../../../brep/geom/tolerance";
import {FaceTouchAlignConstraint} from "../constraints/faceTouchAlign";
import {Plane} from './../../../brep/geom/impl/plane';
import {AssemblyDOF, ModificationResponse} from "./assemblyDOF";
import {areEqual, clamp, DEG_RAD} from "../../../math/math";
import {areEqual, clamp, DEG_RAD, lineLineIntersection2d, lineLineIntersection} from "../../../math/math";
import {ConflictDOF} from "./conflictDOF";
import {PPPPDOF} from "./PPPPDOF";
import {EdgeAlignConstraint} from "../constraints/edgeAlign";
@ -90,13 +90,16 @@ export class EEDOF implements AssemblyDOF {
rot.combine(location, location);
const ptFixed = constr.fixedPart.location.apply(constr.fixedEdge.favorablePoint);
const ptMoving = constr.movingPart.location.apply(constr.movingEdge.favorablePoint);
const ptFixed = constr.fixedPart.location.apply(constr.fixedEdge.favorablePoint);
const dir = ptFixed._minus(ptMoving);
const isec1 = lineLineIntersection(this.origin, ptMoving, this.dir, vecA);
const isec2 = lineLineIntersection(this.origin, ptFixed, this.dir, vecB);
// constr.movingPart.location.translateVec(dir);
const dir = this.dir.multiply(isec2.u1 - isec1.u1);
constr.movingPart.location.translateVec(dir);
return new EEEEDOF(this.origin, this.dir, constr.fixedEdge.favorablePoint, vecB);
}

10
web/app/math/math.js
View file

@ -300,6 +300,16 @@ export function lineLineIntersection2d(p1, p2, v1, v2) {
return [p1[0] + v1[0] * u1, p1[1] + v1[1] * u1];
}
export function lineLineIntersection(p1, p2, v1, v2) {
let zAx = v1.cross(v2);
const n1 = zAx.cross(v1)._normalize();
const n2 = zAx.cross(v2)._normalize();
return {
u1: n2.dot(p2.minus(p1)) / n2.dot(v1),
u2: n1.dot(p1.minus(p2)) / n1.dot(v2),
}
}
export const DEG_RAD = Math.PI / 180.0;
export const sq = (a) => a * a;