功能:走刀偏移直线连接

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;