70 lines
3.3 KiB
TypeScript
70 lines
3.3 KiB
TypeScript
import { Box3, Matrix3, Matrix4, Vec2, Vector2, Vector3 } from 'three';
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import { Arc } from '../DatabaseServices/Entity/Arc';
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import { Circle } from '../DatabaseServices/Entity/Circle';
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import { Curve } from '../DatabaseServices/Entity/Curve';
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import { Ellipse } from '../DatabaseServices/Entity/Ellipse';
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import { Line } from '../DatabaseServices/Entity/Line';
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import { Polyline } from '../DatabaseServices/Entity/Polyline';
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import { Vec3 } from '../Geometry/IVec3';
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import { IntersectResult } from '../GraphicsSystem/IntersectWith';
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export declare function getCircleCenter(pt1: Vector3, pt2: Vector3, pt3: Vector3): Vector3;
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export declare function getCirAngleByChordAndTangent(chord: Vector3, tangentLine: Vector3): number;
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export declare function getDeterminantFor2V(v1: Vector2, v2: Vector2): number;
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export declare function getDeterminantFor3V(v1: Vector3, v2: Vector3, v3: Vector3): number;
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/**
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* 曲线根据连接来分组,每组都是一条首尾相连的曲线表.
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*
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* @export
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* @param {Curve[]} cus 传入的分组的曲线表
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* @returns {Array<Array<Curve>>} 返回如下
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* [
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* [c1,c2,c3...],//后面的曲线的起点总是等于上一个曲线的终点
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* [c1,c2,c3...],
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* ]
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*/
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export declare function curveLinkGroup(cus: Curve[], numdimensions?: number): Array<Array<Curve>>;
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export declare function equalCurve(cu1: Curve, cu2: Curve, tolerance?: number): boolean;
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/**
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* 计算点在曲线前进方向的方位,左边或者右边
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*
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* @param {Curve} cu
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* @param {Vector3} pt
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* @returns {boolean} 左边为-1,右边为1
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*/
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export declare function GetPointAtCurveDir(cu: Curve, pt: Vector3): number;
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export declare function ConverCircleToPolyline(cir: Circle): Polyline;
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export declare function GetTanPtsOnArcOrCircle(cu: Arc | Circle, lastPoint?: Vector3): Vector3[];
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export declare function CircleInternalTangentLines(cir0: Circle, cir1: Circle): Line[];
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export declare function CircleOuterTangentLines(circle0: Circle, circle1: Circle): Line[];
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export declare function getArcOrCirNearPts(cu: Circle | Arc | Ellipse, pickPoint: Vector3, viewXform: Matrix3): Vector3[];
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export declare function getTanPtsOnEllipse(cu: Ellipse, lastPoint: Vector3): any[];
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export interface IRectInfo {
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size: Vector3;
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box: Box3;
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OCS: Matrix4;
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}
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/**
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* 判断多段线是不是矩形
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* 因为用户画的垃圾图,所以我们会给容差
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* 1.简化点表成4个点
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* -得到x向量,构建二维旋转矩阵
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* -所有的点旋转
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* 2.构建box
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* 3.4个点都在盒子里,面积是矩形
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* @param cu
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*/
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export declare function IsRect(cu: Curve): IRectInfo | undefined;
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/**用4个矩形点构造矩形 */
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export declare function getRectFrom4Pts(pts: Vector3[]): Polyline;
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export declare function MergeCurvelist(cus: Curve[]): Curve[];
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export declare function SwapParam(res: IntersectResult[]): IntersectResult[];
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export declare function ComputerCurvesNormalOCS(curves: Curve[], allowAutoCalc?: boolean): Matrix4 | undefined;
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export declare function Pts2Polyline(pts: (Vec3 | Vec2)[], isClose: boolean): Polyline;
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/**
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* 将封闭的多段线,通过和y轴平行的线,分割成多个矩形
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* @param outline 这个多边形是横平竖直的,否则返回自身
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* @param polylineParalleXYFuzz 平行x或y的容差
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* @returns 裁剪后的矩形集
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*/
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export declare function PolylineSpliteRect(outline: Polyline, polylineParalleXYFuzz?: number): Polyline[];
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//# sourceMappingURL=CurveUtils.d.ts.map
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