功能:走刀偏移直线连接

api.cjs.js

@@ -6715,13 +6715,28 @@ class CurveTreeNode {
         }
     }
 }
+var PolylineJoinType;
+(function (PolylineJoinType) {
+    PolylineJoinType[PolylineJoinType["Square"] = 0] = "Square";
+    PolylineJoinType[PolylineJoinType["Round"] = 1] = "Round";
+})(PolylineJoinType || (PolylineJoinType = {}));
 class OffsetPolyline {
-    constructor(_Polyline, _OffsetDist, _ToolPath = false, _OffsetDistSq = (_OffsetDist ** 2) * 2.1 //对直角走刀不进行圆弧过度
+    /**
+     *
+     * @param _Polyline
+     * @param _OffsetDist
+     * @param [_ToolPath=false] 走刀模式(在这个模式下,我们会进行圆弧过渡(或者直线过渡)避免尖角过大)
+     * @param [_OffsetDistSq=(_OffsetDist ** 2) * 2.1] 允许的最大尖角长度 默认值差不多是矩形的尖角大一点
+     * @param [JoinType=PolylineJoinType.Round]  尖角的处理方式,默认是圆弧过渡,可以切换成直线过渡
+     */
+    constructor(_Polyline, _OffsetDist, _ToolPath = false, _OffsetDistSq = (_OffsetDist ** 2) * 2.1, //对直角走刀不进行圆弧过度
+    JoinType = PolylineJoinType.Round //仅在走刀路径时生效
     ) {
         this._Polyline = _Polyline;
         this._OffsetDist = _OffsetDist;
         this._ToolPath = _ToolPath;
         this._OffsetDistSq = _OffsetDistSq;
+        this.JoinType = JoinType;
         this._IsTopoOffset = false; //局部偏移,允许特殊延伸,参考测试用例
     }
     Do() {
@@ -6823,7 +6838,10 @@ class OffsetPolyline {
                             let refP = this._Vertexs[curveResNext.index];
                             let distSq = iPts[0].distanceToSquared(refP);
                             if (this._ToolPath && distSq > this._OffsetDistSq) {
-                                curveResNow.paddingCurve = [this.CreateArc(refP, sp, ep)];
+                                if (this.JoinType === PolylineJoinType.Round)
+                                    curveResNow.paddingCurve = [this.CreateArc(refP, sp, ep)];
+                                else
+                                    curveResNow.paddingCurve = [this.CreateSquare(refP, curveResNow, curveResNext, code)]; //补直线
                                 this._TrimCircleContours.push(this._Circles[curveResNext.index]);
                             }
                             else
@@ -6833,7 +6851,8 @@ class OffsetPolyline {
                         // curveResNow.paddingCurve = [new Line(sp, ep)];
                     }
                 }
-                else {
+                else //直线和圆弧 圆弧和圆弧
+                 {
                     let refP = this._Vertexs[curveResNext.index];
                     //在局部偏移中,当偏移距离不一致时,我们总是倾向于直接连接
                     if (this._IsTopoOffset && tPts.length === 0 && curveResNow.dist !== curveResNext.dist) {
@@ -6901,8 +6920,13 @@ class OffsetPolyline {
                             else
                                 curveResNow.paddingCurve = [this.CreateArc(refP, sp, ep)]; //补圆弧
                         }
-                        else
+                        else {
-                            curveResNow.paddingCurve = [this.CreateArc(refP, sp, ep)]; //补圆弧
+                            if (this.JoinType === PolylineJoinType.Round)
+                                curveResNow.paddingCurve = [this.CreateArc(refP, sp, ep)]; //补圆弧
+                            else {
+                                curveResNow.paddingCurve = [this.CreateSquare(refP, curveResNow, curveResNext, code)]; //补直线
+                            }
+                        }
                         let circle = this._Circles[curveResNext.index];
                         if (circle)
                             this._TrimCircleContours.push(circle); //因为局部偏移可能未提供圆
@@ -7333,6 +7357,24 @@ class OffsetPolyline {
         let arc = new exports.Arc(center, Math.abs(this._OffsetDist), sa, ea, this._OffsetDist < 0);
         return arc;
     }
+    CreateSquare(center, curveNow, curveNext, entTypeCode) {
+        const arc = this.CreateArc(center, curveNow.curve.EndPoint, curveNext.curve.StartPoint);
+        const centerPoint = arc.GetPointAtParam(0.5);
+        const tangentLine = new exports.Line(centerPoint, arc.GetFirstDeriv(0.5).add(centerPoint)); //切线
+        let ep, sp;
+        if (entTypeCode === 1) {
+            ep = tangentLine.IntersectWith(curveNow.curve, IntersectOption.ExtendBoth)[0]; //第一条线新的终点坐标
+            sp = centerPoint.multiplyScalar(2).sub(ep);
+        }
+        else // if (entTypeCode === 0)//全圆弧 直线和圆弧
+         {
+            ep = SelectNearP(tangentLine.IntersectWith(curveNow.curve, IntersectOption.ExtendBoth), center); //第一条线新的终点坐标
+            sp = SelectNearP(tangentLine.IntersectWith(curveNext.curve, IntersectOption.ExtendBoth), center);
+        }
+        curveNow.ep = ep;
+        curveNext.sp = sp;
+        return new exports.Line(ep, sp);
+    }
 }
 function EntityEncode(c) {
     if (c instanceof exports.Line)
@@ -7909,10 +7951,13 @@ exports.Polyline = Polyline_1 = class Polyline extends Curve {
     GetParamAtDist(dist) {
         if (equaln$1(dist, 0))
             return 0;
-        let cus = this.Explode();
+        let cus = [];
-        for (let i = 0; i < cus.length; i++) {
+        for (let i = 0; i < this.EndParam; i++) {
-            let cu = cus[i];
+            let cu = this.GetCurveAtIndex(i);
             let len = cu.Length;
+            if (len < 1e-6)
+                continue;
+            cus.push(cu);
             if (dist <= len)
                 return i + cu.GetParamAtDist(dist);
             else if (equaln$1(dist, len, 1e-8))
@@ -8408,10 +8453,10 @@ exports.Polyline = Polyline_1 = class Polyline extends Curve {
             cu.ColorIndex = this.ColorIndex;
         return curves;
     }
-    GetFeedingToolPath(offsetDist, offsetDistSq = (offsetDist ** 2) * 2.1) {
+    GetFeedingToolPath(offsetDist, offsetDistSq = (offsetDist ** 2) * 2.1, joinType = PolylineJoinType.Round) {
         if (equaln$1(offsetDist, 0))
             return [];
-        let polyOffestUtil = new OffsetPolyline(this, offsetDist, true, offsetDistSq);
+        let polyOffestUtil = new OffsetPolyline(this, offsetDist, true, offsetDistSq, joinType);
         return polyOffestUtil.Do();
     }
     /**

api.esm.js

@@ -6706,13 +6706,28 @@ class CurveTreeNode {
         }
     }
 }
+var PolylineJoinType;
+(function (PolylineJoinType) {
+    PolylineJoinType[PolylineJoinType["Square"] = 0] = "Square";
+    PolylineJoinType[PolylineJoinType["Round"] = 1] = "Round";
+})(PolylineJoinType || (PolylineJoinType = {}));
 class OffsetPolyline {
-    constructor(_Polyline, _OffsetDist, _ToolPath = false, _OffsetDistSq = (_OffsetDist ** 2) * 2.1 //对直角走刀不进行圆弧过度
+    /**
+     *
+     * @param _Polyline
+     * @param _OffsetDist
+     * @param [_ToolPath=false] 走刀模式(在这个模式下,我们会进行圆弧过渡(或者直线过渡)避免尖角过大)
+     * @param [_OffsetDistSq=(_OffsetDist ** 2) * 2.1] 允许的最大尖角长度 默认值差不多是矩形的尖角大一点
+     * @param [JoinType=PolylineJoinType.Round]  尖角的处理方式,默认是圆弧过渡,可以切换成直线过渡
+     */
+    constructor(_Polyline, _OffsetDist, _ToolPath = false, _OffsetDistSq = (_OffsetDist ** 2) * 2.1, //对直角走刀不进行圆弧过度
+    JoinType = PolylineJoinType.Round //仅在走刀路径时生效
     ) {
         this._Polyline = _Polyline;
         this._OffsetDist = _OffsetDist;
         this._ToolPath = _ToolPath;
         this._OffsetDistSq = _OffsetDistSq;
+        this.JoinType = JoinType;
         this._IsTopoOffset = false; //局部偏移,允许特殊延伸,参考测试用例
     }
     Do() {
@@ -6814,7 +6829,10 @@ class OffsetPolyline {
                             let refP = this._Vertexs[curveResNext.index];
                             let distSq = iPts[0].distanceToSquared(refP);
                             if (this._ToolPath && distSq > this._OffsetDistSq) {
-                                curveResNow.paddingCurve = [this.CreateArc(refP, sp, ep)];
+                                if (this.JoinType === PolylineJoinType.Round)
+                                    curveResNow.paddingCurve = [this.CreateArc(refP, sp, ep)];
+                                else
+                                    curveResNow.paddingCurve = [this.CreateSquare(refP, curveResNow, curveResNext, code)]; //补直线
                                 this._TrimCircleContours.push(this._Circles[curveResNext.index]);
                             }
                             else
@@ -6824,7 +6842,8 @@ class OffsetPolyline {
                         // curveResNow.paddingCurve = [new Line(sp, ep)];
                     }
                 }
-                else {
+                else //直线和圆弧 圆弧和圆弧
+                 {
                     let refP = this._Vertexs[curveResNext.index];
                     //在局部偏移中,当偏移距离不一致时,我们总是倾向于直接连接
                     if (this._IsTopoOffset && tPts.length === 0 && curveResNow.dist !== curveResNext.dist) {
@@ -6892,8 +6911,13 @@ class OffsetPolyline {
                             else
                                 curveResNow.paddingCurve = [this.CreateArc(refP, sp, ep)]; //补圆弧
                         }
-                        else
+                        else {
-                            curveResNow.paddingCurve = [this.CreateArc(refP, sp, ep)]; //补圆弧
+                            if (this.JoinType === PolylineJoinType.Round)
+                                curveResNow.paddingCurve = [this.CreateArc(refP, sp, ep)]; //补圆弧
+                            else {
+                                curveResNow.paddingCurve = [this.CreateSquare(refP, curveResNow, curveResNext, code)]; //补直线
+                            }
+                        }
                         let circle = this._Circles[curveResNext.index];
                         if (circle)
                             this._TrimCircleContours.push(circle); //因为局部偏移可能未提供圆
@@ -7324,6 +7348,24 @@ class OffsetPolyline {
         let arc = new Arc(center, Math.abs(this._OffsetDist), sa, ea, this._OffsetDist < 0);
         return arc;
     }
+    CreateSquare(center, curveNow, curveNext, entTypeCode) {
+        const arc = this.CreateArc(center, curveNow.curve.EndPoint, curveNext.curve.StartPoint);
+        const centerPoint = arc.GetPointAtParam(0.5);
+        const tangentLine = new Line(centerPoint, arc.GetFirstDeriv(0.5).add(centerPoint)); //切线
+        let ep, sp;
+        if (entTypeCode === 1) {
+            ep = tangentLine.IntersectWith(curveNow.curve, IntersectOption.ExtendBoth)[0]; //第一条线新的终点坐标
+            sp = centerPoint.multiplyScalar(2).sub(ep);
+        }
+        else // if (entTypeCode === 0)//全圆弧 直线和圆弧
+         {
+            ep = SelectNearP(tangentLine.IntersectWith(curveNow.curve, IntersectOption.ExtendBoth), center); //第一条线新的终点坐标
+            sp = SelectNearP(tangentLine.IntersectWith(curveNext.curve, IntersectOption.ExtendBoth), center);
+        }
+        curveNow.ep = ep;
+        curveNext.sp = sp;
+        return new Line(ep, sp);
+    }
 }
 function EntityEncode(c) {
     if (c instanceof Line)
@@ -7900,10 +7942,13 @@ let Polyline = Polyline_1 = class Polyline extends Curve {
     GetParamAtDist(dist) {
         if (equaln$1(dist, 0))
             return 0;
-        let cus = this.Explode();
+        let cus = [];
-        for (let i = 0; i < cus.length; i++) {
+        for (let i = 0; i < this.EndParam; i++) {
-            let cu = cus[i];
+            let cu = this.GetCurveAtIndex(i);
             let len = cu.Length;
+            if (len < 1e-6)
+                continue;
+            cus.push(cu);
             if (dist <= len)
                 return i + cu.GetParamAtDist(dist);
             else if (equaln$1(dist, len, 1e-8))
@@ -8399,10 +8444,10 @@ let Polyline = Polyline_1 = class Polyline extends Curve {
             cu.ColorIndex = this.ColorIndex;
         return curves;
     }
-    GetFeedingToolPath(offsetDist, offsetDistSq = (offsetDist ** 2) * 2.1) {
+    GetFeedingToolPath(offsetDist, offsetDistSq = (offsetDist ** 2) * 2.1, joinType = PolylineJoinType.Round) {
         if (equaln$1(offsetDist, 0))
             return [];
-        let polyOffestUtil = new OffsetPolyline(this, offsetDist, true, offsetDistSq);
+        let polyOffestUtil = new OffsetPolyline(this, offsetDist, true, offsetDistSq, joinType);
         return polyOffestUtil.Do();
     }
     /**

types/Add-on/testEntity/LargestInteriorRectangle.d.ts

@@ -4,9 +4,9 @@ import { Box2, Vector2 } from "three";
  * @param rects
  * @returns
  */
-declare function GetMaxAreaFn(rects: [number, number, number][]): number;
+declare function GetMaxAreaFn(rects: [number, number, number, number, number][]): number;
-declare function GetMaxWidthFn(rects: [number, number, number][]): number;
+declare function GetMaxWidthFn(rects: [number, number, number, number, number][]): number;
-declare function GetMaxHeightFn(rects: [number, number, number][]): number;
+declare function GetMaxHeightFn(rects: [number, number, number, number, number][]): number;
 /**
  * @example
  *
@@ -18,7 +18,7 @@ declare function GetMaxHeightFn(rects: [number, number, number][]): number;
  *
  * //除了变量 也可以设置过滤函数
  * //例如:
- * lir.FilterRectFn = !(w,h)=> (w>500 || h>500)   //这样将对长或者宽不足500的矩形板过滤(舍弃)
+ * lir.FilterRectFn = (w,h)=> !(w>500 || h>500)   //这样将对长或者宽不足500的矩形板过滤(舍弃)
  *
  * //2. 可以设置优先模式,默认提供了面积优先,你也可以使用宽度优先或者高度优先,或许默认规则可能不好用,可以自定义传入自定义函数.
  * lir.GetMaxRectIndexFn = LargestInteriorRectangle.GetMaxAreaFn; //或者 LargestInteriorRectangle.GetMaxWidthFn / LargestInteriorRectangle.GetMaxHeightFn
@@ -33,7 +33,7 @@ export declare class LargestInteriorRectangle {
     MinArea: number;
     /** 可以自定义过滤函数,以便过滤掉某些不需要的矩形,当返回true时,我们会过滤它 */
     FilterRectFn: (width: number, height: number) => boolean;
-    GetMaxRectIndexFn: (rects: [number, number, number][]) => number;
+    GetMaxRectIndexFn: (rects: [number, number, number, number, number][]) => number;
     static GetMaxAreaFn: typeof GetMaxAreaFn;
     static GetMaxWidthFn: typeof GetMaxWidthFn;
     static GetMaxHeightFn: typeof GetMaxHeightFn;

types/Add-on/testEntity/LargestInteriorRectangle.d.ts.map

@@ -1 +1 @@
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+{"version":3,"file":"LargestInteriorRectangle.d.ts","sourceRoot":"","sources":["../../../../src/Add-on/testEntity/LargestInteriorRectangle.ts"],"names":[],"mappings":"AACA,OAAO,EAAE,IAAI,EAAE,OAAO,EAAW,MAAM,OAAO,CAAC;AAW/C;;;;GAIG;AACH,iBAAS,YAAY,CAAC,KAAK,EAAE,CAAC,MAAM,EAAE,MAAM,EAAE,MAAM,EAAE,MAAM,EAAE,MAAM,CAAC,EAAE,GAAG,MAAM,CAG/E;AAED,iBAAS,aAAa,CAAC,KAAK,EAAE,CAAC,MAAM,EAAE,MAAM,EAAE,MAAM,EAAE,MAAM,EAAE,MAAM,CAAC,EAAE,GAAG,MAAM,CAGhF;AAED,iBAAS,cAAc,CAAC,KAAK,EAAE,CAAC,MAAM,EAAE,MAAM,EAAE,MAAM,EAAE,MAAM,EAAE,MAAM,CAAC,EAAE,GAAG,MAAM,CAGjF;AAuBD;;;;;;;;;;;;;;;;;;;GAmBG;AACH,qBAAa,wBAAwB;IAEjC,QAAQ,SAAO;IACf,SAAS,SAAO;IAChB,OAAO,SAAa;IAEpB,8CAA8C;IAC9C,YAAY,EAAE,CAAC,KAAK,EAAE,MAAM,EAAE,MAAM,EAAE,MAAM,KAAK,OAAO,CAAC;IAEzD,iBAAiB,EAAE,CAAC,KAAK,EAAE,CAAC,MAAM,EAAE,MAAM,EAAE,MAAM,EAAE,MAAM,EAAE,MAAM,CAAC,EAAE,KAAK,MAAM,CAAgB;IAGhG,MAAM,CAAC,YAAY,sBAAgB;IACnC,MAAM,CAAC,aAAa,uBAAiB;IACrC,MAAM,CAAC,cAAc,wBAAkB;;IAMvC;;;OAGG;IACH,QAAQ,CAAC,UAAU,EAAE,OAAO,EAAE,GAAG,IAAI,EAAE;CAqS1C"}

types/DatabaseServices/Entity/Board.d.ts

@@ -1,3 +1,4 @@
+import Geom3 from '@jscad/modeling/src/geometries/geom3/type';
 import { Frustum, Geometry, Matrix3, Matrix4, Object3D, UVGenerator, Vector3 } from 'three';
 import { FaceDirection } from "../../Add-on/DrawDrilling/DrillType";
 import { ObjectSnapMode } from '../../Editor/ObjectSnapMode';
@@ -162,7 +163,7 @@ export declare class Board extends ExtrudeSolid {
     /**
      * 这个函数生成了二维刀路的csg数组,并且同时生成了_2DPathDrawObject(二维刀路提刀线框显示对象)
      */
-    private Get2DPathCsgs;
+    Get2DPathCsgs(): Geom3[];
     protected get Has2DPath(): boolean;
     private _workerCalcedGeom;
     private _async2DPathIng;

types/DatabaseServices/Entity/Polyline.d.ts

@@ -3,6 +3,7 @@ import { Status } from '../../Common/Status';
 import { ObjectSnapMode } from '../../Editor/ObjectSnapMode';
 import { Box3Ext } from '../../Geometry/Box';
 import { IntersectOption } from '../../GraphicsSystem/IntersectWith';
+import { PolylineJoinType } from '../../GraphicsSystem/OffsetPolyline';
 import { CADFiler } from '../CADFiler';
 import { Shape2 } from '../Shape2';
 import { Arc } from './Arc';
@@ -136,7 +137,7 @@ export declare class Polyline extends Curve {
     GetClosestPointTo(pt: Vector3, extend: boolean): Vector3;
     GetClosestPointTo2(pt: Vector3, extType: ExtendType): Vector3;
     GetOffsetCurves(offsetDist: number): Polyline[];
-    GetFeedingToolPath(offsetDist: number, offsetDistSq?: number): Polyline[];
+    GetFeedingToolPath(offsetDist: number, offsetDistSq?: number, joinType?: PolylineJoinType): Polyline[];
     /**
      * 分解
      */

types/DatabaseServices/Entity/Polyline.d.ts.map

@@ -1 +1 @@
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types/GraphicsSystem/OffsetPolyline.d.ts

@@ -3,6 +3,7 @@ import { Contour } from "../DatabaseServices/Contour";
 import { Arc } from "../DatabaseServices/Entity/Arc";
 import { Circle } from "../DatabaseServices/Entity/Circle";
 import { Curve } from "../DatabaseServices/Entity/Curve";
+import { Line } from "../DatabaseServices/Entity/Line";
 import { Polyline } from "../DatabaseServices/Entity/Polyline";
 interface IOffsetResult {
     index: number;
@@ -25,11 +26,16 @@ export declare class CurveTreeNode {
     TrimBy(contour: Contour, box: Box3): void;
     get Nodes(): this[];
 }
+export declare enum PolylineJoinType {
+    Square = 0,
+    Round = 1
+}
 export declare class OffsetPolyline {
     _Polyline: Polyline;
     _OffsetDist: number;
     _ToolPath: boolean;
     private _OffsetDistSq;
+    private JoinType;
     _CacheOCS: Matrix4;
     _Vertexs: Vector3[];
     _SubCurves: Curve[];
@@ -44,7 +50,16 @@ export declare class OffsetPolyline {
     _IsClose: boolean;
     _OffsetDistSign: number;
     _IsTopoOffset: boolean;
-    constructor(_Polyline: Polyline, _OffsetDist: number, _ToolPath?: boolean, _OffsetDistSq?: number);
+    /**
+     *
+     * @param _Polyline
+     * @param _OffsetDist
+     * @param [_ToolPath=false] 走刀模式(在这个模式下,我们会进行圆弧过渡(或者直线过渡)避免尖角过大)
+     * @param [_OffsetDistSq=(_OffsetDist ** 2) * 2.1] 允许的最大尖角长度 默认值差不多是矩形的尖角大一点
+     * @param [JoinType=PolylineJoinType.Round]  尖角的处理方式,默认是圆弧过渡,可以切换成直线过渡
+     */
+    constructor(_Polyline: Polyline, _OffsetDist: number, _ToolPath?: boolean, _OffsetDistSq?: number, //对直角走刀不进行圆弧过度
+    JoinType?: PolylineJoinType);
     Do(): Polyline[];
     InitSubCurves(): this;
     protected GeneralCirclesAndVertexs(): void;
@@ -68,6 +83,7 @@ export declare class OffsetPolyline {
     CheckPointDir(pt: Vector3): boolean;
     GetPointAtCurveDir(pt: Vector3): number;
     protected CreateArc(center: Vector3, startP: Vector3, endP?: Vector3): Arc;
+    protected CreateSquare(center: Vector3, curveNow: IOffsetResult, curveNext: IOffsetResult, entTypeCode: number): Line;
 }
 export declare function EntityEncode2(c1: Curve, c2: Curve): number;
 export declare function CurveIsFine(curve: Curve): boolean;

types/GraphicsSystem/OffsetPolyline.d.ts.map

@@ -1 +1 @@
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