webcad-ue4-api/types/Geometry/SweepGeometry.d.ts

import { BufferGeometry, Geometry, Matrix4, Vector2, Vector3 } from "three";
import { LineGeometry } from "three/examples/jsm/lines/LineGeometry";
import { Curve } from "../DatabaseServices/Entity/Curve";
import { Polyline } from "../DatabaseServices/Entity/Polyline";
/**
 * 使用轮廓和扫描路径构建扫描几何体,实现衣柜中的顶线或者地脚线之类的实体.
 * 该几何体需要轮廓和路径的起始截面垂直,否则构造的实体将会错误.
 */
export declare class SweepGeometry extends Geometry {
    edgePts: number[];
    polygonIndexes: any[];
    ShapeMaterialSlotData: number[];
    constructor(contour: Polyline, path: Curve[] | Curve, ShapeMaterialSlotData?: number[]);
    get LineGeom(): LineGeometry;
    get EdgeGeom(): BufferGeometry;
    AddShape(contour: Polyline, path: Curve): void;
    AddShape2(contour: Polyline, paths: Curve[]): void;
    /**
     * 使用4点构建面
     * @param a 左下
     * @param b 右下
     * @param c 左上
     * @param d 右上
     * @param uvs
     * @param [materialIndex]
     */
    protected BuildFace4(a: number, b: number, c: number, d: number, uvs: Vector2[], materialIndex?: number): void;
    /**
     * 构造边缘面开始标记
     * @param dir 前进方向(单位向量)
     */
    protected SideStartMark(dir: Vector3): void;
    protected BuildSideFaces(shapePts2d: Vector2[], pathPts2d: Vector2[], pathPts: Vector3[], verts: Vector3[][]): void;
    protected BuildLid(shapePts2d: Vector2[], verts: Vector3[][]): void;
}
/**
 * 将轮廓变换到`路径上某个点`.
 *
 * @param {Vector3[]} contourPts 原始的轮廓点(在世界坐标系)
 * @param {Vector3} normal 路径法向量
 * @param {Vector3} curP 路径上当前点
 * @param {Vector3} [preP] 路径的前一个点
 * @param {Vector3} [nextP] 路径下一个点
 * @returns 变换后的轮廓点表
 */
export declare function ProjectionToPlane(contourPts: Vector3[], normal: Vector3, curP: Vector3, preP?: Vector3, nextP?: Vector3): Vector3[];
/**
 * 计算轮廓变换到`路径上某个点`的矩阵
 *
 * @param {Vector3} pt 路径上的点
 * @param {Vector3} norm 曲线法向量
 * @param {Vector3} dir 点前进的方向.
 * @returns {Matrix4}
 */
export declare function ContourTransfromToPath(pt: Vector3, norm: Vector3, dir: Vector3): Matrix4;
type Polygon = number[];
export declare class SweepGeometrySimple extends SweepGeometry {
    SidePolygons: (Polygon[])[];
    private _curSidePolygons;
    private _curDir;
    TriFaces: (number[])[];
    shapeVerts: Vector3[][];
    shapePts2d: Vector2[];
    computeVertexNormals(): void;
    computeFaceNormals(): void;
    BuildFace4(a: number, b: number, c: number, d: number, uvs: Vector2[], materialIndex?: number): void;
    protected SideStartMark(dir: Vector3): void;
    protected BuildSideFaces(shapePts2d: Vector2[], pathPts2d: Vector2[], pathPts: Vector3[], verts: Vector3[][]): void;
    protected BuildLid(shapePts2d: Vector2[], verts: Vector3[][]): void;
}
export {};
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