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@ -1,9 +1,9 @@
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import * as THREE from 'three';
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import { Box3, Matrix4, Object3D, ShapeGeometry, Vector2, Vector3 } from 'three';
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import { arraySortByNumber } from '../Common/ArrayExt';
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import { ColorMaterial } from '../Common/ColorPalette';
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import { Vec2DTo3D, getCircleCenter } from '../Common/CurveUtils';
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import { angle, angleTo2Pi, equaln, midPoint, polar, equal } from '../Geometry/GeUtils';
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import { matrixSetVector } from '../Common/Matrix4Utils';
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import { angle, angleTo2Pi, equal, equaln, midPoint, polar } from '../Geometry/GeUtils';
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import { RenderType } from '../GraphicsSystem/Enum';
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import { IntersectArcAndArc, IntersectCircleAndArc, IntersectLineAndArc, IntersectOption, IntersectPolylineAndCurve, reverseIntersectOption } from '../GraphicsSystem/IntersectWith';
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import { Factory } from './CADFactory';
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@ -31,18 +31,15 @@ export class Arc extends Curve
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constructor(center?: Vector3, radius?: number, startAngle?: number, endAngle?: number, normal?: Vector3)
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{
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super();
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center && this.m_Center.copy(center);
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normal && this.m_Normal.copy(normal);
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center && this.m_Matrix.setPosition(center);
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normal && matrixSetVector(this.m_Matrix, 2, normal);
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this.m_Radius = radius || 0;
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if (startAngle) this.m_StartAngle = angleTo2Pi(startAngle);
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if (endAngle) this.m_EndAngle = angleTo2Pi(endAngle);
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}
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private m_Center = new Vector3(0, 0, 0);
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private m_Radius: number = 0;
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private m_StartAngle: number = 0;
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private m_EndAngle: number = 0;
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private m_Normal = new Vector3(0, 0, 1);
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/**
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* 曲线为顺时针
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*
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@ -53,23 +50,23 @@ export class Arc extends Curve
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get Center()
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{
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return this.m_Center.clone();
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return new Vector3().setFromMatrixPosition(this.m_Matrix);
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}
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set Center(v: Vector3)
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{
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this.WriteAllObjectRecord();
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this.m_Center.copy(v);
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this.m_Matrix.setPosition(v);
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this.Update();
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}
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get Normal()
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{
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return this.m_Normal.clone();
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return new Vector3().setFromMatrixColumn(this.m_Matrix, 2);
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}
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set Normal(v: Vector3)
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{
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this.WriteAllObjectRecord();
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this.m_Normal.copy(v);
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matrixSetVector(this.m_Matrix, 2, v);
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this.Update();
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}
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@ -148,19 +145,21 @@ export class Arc extends Curve
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//******************** Curve function start*****************//
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get StartPoint()
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{
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return polar(this.Center, this.StartAngle, this.m_Radius) as Vector3;
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return polar(new Vector3(), this.m_StartAngle, this.m_Radius).applyMatrix4(this.OCS);
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}
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set StartPoint(v: Vector3)
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{
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this.StartAngle = angle(v.clone().sub(this.m_Center));
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let vTemp = v.clone().applyMatrix4(this.OCSInv);
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this.StartAngle = angle(vTemp);
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}
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get EndPoint()
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{
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return polar(this.Center, this.m_EndAngle, this.m_Radius) as Vector3;
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return polar(new Vector3(), this.m_EndAngle, this.m_Radius).applyMatrix4(this.OCS);
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}
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set EndPoint(v: Vector3)
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{
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this.EndAngle = angle(v.clone().sub(this.m_Center));
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let vTemp = v.clone().applyMatrix4(this.OCSInv);
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this.EndAngle = angle(vTemp);
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}
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get StartParam()
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{
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@ -177,7 +176,7 @@ export class Arc extends Curve
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GetPointAtParam(param: number)
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{
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let an = this.GetAngleAtParam(param);
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return polar(this.Center, an, this.m_Radius) as Vector3;
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return polar(new Vector3(), an, this.m_Radius).applyMatrix4(this.OCS);
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}
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GetPointAtDistance(distance: number)
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{
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@ -201,10 +200,12 @@ export class Arc extends Curve
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{
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if (this.m_Radius == 0 ||
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this.AllAngle == 0 ||
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!equaln(pt.distanceToSquared(this.m_Center), this.m_Radius * this.m_Radius, 1e-6))
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!equaln(pt.distanceToSquared(this.Center), this.m_Radius * this.m_Radius, 1e-6))
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return NaN;
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let ptTmp = pt.clone().applyMatrix4(this.OCSInv);
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//角度
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let an = angle(pt.clone().sub(this.m_Center));
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let an = angle(ptTmp);
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return this.GetParamAtAngle(an);
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}
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@ -236,7 +237,6 @@ export class Arc extends Curve
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GetAngleAtParam(param: number)
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{
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return angleTo2Pi(this.m_StartAngle + param * this.AllAngle * (this.m_Clockwise ? -1 : 1));
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}
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@ -286,7 +286,7 @@ export class Arc extends Curve
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if (cu instanceof Arc)
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{
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this.WriteAllObjectRecord();
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if (equal(cu.Center, this.m_Center) && equaln(cu.m_Radius, this.m_Radius))
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if (equal(cu.Center, this.Center) && equaln(cu.m_Radius, this.m_Radius))
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{
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let [sa, ea] = [cu.StartAngle, cu.EndAngle];
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if (cu.m_Clockwise != this.m_Clockwise)
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@ -453,6 +453,10 @@ export class Arc extends Curve
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if (p2 instanceof Vector2)
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p2 = Vec2DTo3D(p2);
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let ocsInv = this.OCSInv;
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p1 = p1.clone().applyMatrix4(ocsInv);
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p2 = p2.clone().applyMatrix4(ocsInv);
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//弦向量
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let chordV = p2.clone().sub(p1);
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//弦角度
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@ -469,13 +473,14 @@ export class Arc extends Curve
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let toCenterAn = chordAn + Math.PI * 0.5;//弦角度转90
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//圆心
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this.m_Center = midPoint(p1, p2);
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polar(this.m_Center, toCenterAn, this.m_Radius - (bul * chordLengthHalf));
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let center = midPoint(p1, p2);
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polar(center, toCenterAn, this.m_Radius - (bul * chordLengthHalf));
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this.Center = center.clone().applyMatrix4(this.OCS);
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this.m_Radius = Math.abs(this.m_Radius);
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this.m_StartAngle = angle(p1.clone().sub(this.m_Center));
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this.m_EndAngle = angle(p2.clone().sub(this.m_Center));
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this.m_StartAngle = angle(p1.clone().sub(center));
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this.m_EndAngle = angle(p2.clone().sub(center));
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this.m_Clockwise = bul < 0;
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@ -486,12 +491,19 @@ export class Arc extends Curve
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{
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if (!(pt1 && pt2 && pt3))
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return;
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this.m_Center = getCircleCenter(pt1, pt2, pt3);
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let ocsInv = this.OCSInv;
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pt1 = pt1.clone().applyMatrix4(ocsInv);
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pt2 = pt2.clone().applyMatrix4(ocsInv);
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pt3 = pt3.clone().applyMatrix4(ocsInv);
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let center = getCircleCenter(pt1, pt2, pt3);
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this.Center = center.clone().applyMatrix4(this.OCS);
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//用圆心和其中一个点求距离得到半径：
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this.m_Radius = this.m_Center.distanceTo(pt1);
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this.m_Radius = center.distanceTo(pt1);
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//起始角度 端点角度
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this.m_StartAngle = angle(pt1.clone().sub(this.Center));
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this.m_EndAngle = angle(pt3.clone().sub(this.Center));
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this.m_StartAngle = angle(pt1.clone().sub(center));
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this.m_EndAngle = angle(pt3.clone().sub(center));
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//求出向量p1->p2,p1->p3
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let p1 = pt2.clone().sub(pt1);
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let p2 = pt3.clone().sub(pt1);
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@ -518,7 +530,7 @@ export class Arc extends Curve
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private UpdateGeometry(geo: THREE.Geometry)
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{
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let shape = new THREE.Shape();
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shape.absarc(this.m_Center.x, this.m_Center.y, this.m_Radius, this.m_StartAngle, this.m_EndAngle, this.m_Clockwise);
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shape.absarc(0, 0, this.m_Radius, this.m_StartAngle, this.m_EndAngle, this.m_Clockwise);
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geo.setFromPoints(shape.getPoints(60));
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geo.verticesNeedUpdate = true;
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}
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@ -538,8 +550,6 @@ export class Arc extends Curve
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ApplyMatrix(m: Matrix4)
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{
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super.ApplyMatrix(m);
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this.m_Normal.applyMatrix4(m);
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this.m_Center.applyMatrix4(m);
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this.Update();
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}
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GetSnapPoints(): Array<THREE.Vector3>
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@ -552,7 +562,7 @@ export class Arc extends Curve
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this.StartPoint,
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this.GetPointAtParam(0.5),
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this.EndPoint,
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this.m_Center.clone(),
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this.Center.clone(),
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]
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}
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@ -568,7 +578,7 @@ export class Arc extends Curve
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p.add(vec);
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if (index > 2)
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{
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this.m_Center = this.m_Center.add(vec);
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this.Center = this.Center.add(vec);
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}
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else
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{
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@ -587,11 +597,9 @@ export class Arc extends Curve
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{
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let an: number;
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if (typeof pt === "number")
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{
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an = this.GetAngleAtParam(pt);
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}
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else
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an = angle(pt.sub(this.m_Center));
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an = angle(pt.clone().applyMatrix4(this.OCSInv));
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an += Math.PI * 0.5 * (this.m_Clockwise ? -1 : 1);
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return polar(new Vector3(), an, this.m_Radius) as Vector3;
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@ -612,8 +620,11 @@ export class Arc extends Curve
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{
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super.ReadFile(file);
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let ver = file.Read();
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this.m_Center.fromArray(file.Read());
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this.m_Normal.fromArray(file.Read());
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if (ver === 1)
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{
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this.Center = new Vector3().fromArray(file.Read());
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this.Normal = new Vector3().fromArray(file.Read());
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}
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this.m_Radius = file.Read();
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this.m_StartAngle = file.Read();
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this.m_EndAngle = file.Read();
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@ -623,9 +634,7 @@ export class Arc extends Curve
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WriteFile(file: CADFile)
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{
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super.WriteFile(file);
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file.Write(1);
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file.Write(this.m_Center.toArray());
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file.Write(this.m_Normal.toArray());
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file.Write(2);
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file.Write(this.m_Radius);
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file.Write(this.m_StartAngle);
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file.Write(this.m_EndAngle);
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ChenX
7 years ago