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532 lines
15 KiB
532 lines
15 KiB
import { Vector2, Vector3 } from 'three';
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import { Polyline } from '../../src/DatabaseServices/Polyline';
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import { equal, equaln } from '../../src/Geometry/GeUtils';
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import { CADFile } from '../../src/DatabaseServices/CADFile';
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test("多段线点获取参数", () =>
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{
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let pl = new Polyline([
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{
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pt: new Vector2(0, 0),
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bul: 0
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},
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{
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pt: new Vector2(5, 0),
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bul: 1
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},
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{
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pt: new Vector2(5, 5),
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bul: -1
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},
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{
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pt: new Vector2(5, 10),
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bul: 0
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},
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{
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pt: new Vector2(0, 10),
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bul: 0
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},
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{
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pt: new Vector2(0, 0),
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bul: 0
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}
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])
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expect(pl.GetParamAtPoint(new Vector3(5, 0, 0))).toBe(1);
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expect(pl.GetParamAtPoint(new Vector3(6, 0, 0)) /*?*/).toBe(NaN);
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expect(pl.GetParamAtPoint(new Vector3(-2.5, 0, 0))/*?*/).toBe(-0.5);
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expect(pl.GetParamAtPoint(new Vector3(7.5, 2.5, 0))).toBe(1.5);
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expect(pl.GetParamAtPoint(new Vector3(5, 5, 0))).toBe(2);
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expect(pl.GetParamAtPoint(pl.GetPointAtParam(1.25)) /*?*/).toBe(1.25);
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expect(equaln(pl.GetParamAtPoint(new Vector3(0, 5, 0)), 4.5)).toBeTruthy();
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expect(pl.GetParamAtPoint(new Vector3(0, -5, 0))).toBe(5.5);
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expect(pl.GetParamAtPoint(new Vector3(0, 10, 0))).toBe(4);
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let pl2 = new Polyline([
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{
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pt: new Vector2(1.5, 8.5),
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bul: 0
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},
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{
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pt: new Vector2(1.5, 1.5),
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bul: 0
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}
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])
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expect(pl2.GetParamAtPoint(new Vector3(1.5, 5))).toBe(0.5)
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})
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describe('多段线', () =>
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{
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test("多段线参数获取点", () =>
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{
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let pl = new Polyline([
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{
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pt: new Vector2(0, 0),
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bul: 0
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},
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{
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pt: new Vector2(5, 0),
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bul: 1
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},
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{
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pt: new Vector2(5, 5),
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bul: -1
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},
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{
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pt: new Vector2(5, 10),
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bul: 0
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},
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{
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pt: new Vector2(0, 10),
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bul: 0
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},
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{
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pt: new Vector2(0, 0),
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bul: 0
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}
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])
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expect(equal(pl.GetPointAtParam(1), new Vector3(5, 0, 0))).toBeTruthy();
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expect(equal(pl.GetPointAtParam(0.5), new Vector3(2.5, 0, 0))).toBeTruthy();
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expect(equal(pl.GetPointAtParam(-0.5), new Vector3(-2.5, 0, 0))).toBeTruthy();
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expect(equal(pl.GetPointAtParam(4.5), new Vector3(0, 5, 0))).toBeTruthy();
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expect(equal(pl.GetPointAtParam(5), new Vector3(0, 0, 0))).toBeTruthy();
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expect(equal(pl.GetPointAtParam(5.5), new Vector3(0, -5, 0))).toBeTruthy();
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})
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test("多段线参数获取弧长", () =>
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{
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let pl = new Polyline([
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{
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pt: new Vector2(0, 0),
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bul: 0
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},
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{
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pt: new Vector2(5, 0),
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bul: 1
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},
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{
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pt: new Vector2(5, 5),
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bul: -1
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},
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{
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pt: new Vector2(5, 10),
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bul: 0
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},
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{
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pt: new Vector2(0, 10),
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bul: 0
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},
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{
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pt: new Vector2(0, 0),
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bul: 0
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}
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])
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expect(pl.GetDistAtParam(1)).toBe(5);
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expect(pl.GetDistAtParam(2)).toBe(5 + Math.PI * 2.5);
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expect(pl.GetDistAtParam(1.5)).toBe(5 + Math.PI * 2.5 / 2);
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expect(pl.GetDistAtParam(3)).toBe(5 + Math.PI * 5);
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expect(pl.GetDistAtParam(4)).toBe(5 + Math.PI * 5 + 5);
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expect(pl.GetDistAtParam(3.5)).toBe(5 + Math.PI * 5 + 2.5);
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})
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test("多段线弧长获取点", () =>
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{
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let pl = new Polyline([
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{
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pt: new Vector2(0, 0),
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bul: 0
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},
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{
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pt: new Vector2(5, 0),
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bul: 1
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},
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{
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pt: new Vector2(5, 5),
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bul: -1
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},
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{
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pt: new Vector2(5, 10),
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bul: 0
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},
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{
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pt: new Vector2(0, 10),
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bul: 0
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},
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{
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pt: new Vector2(0, 0),
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bul: 0
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}
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])
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expect(equal(pl.GetPointAtDistance(5), new Vector3(5, 0, 0))).toBeTruthy();
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expect(equal(pl.GetPointAtDistance(2.5), new Vector3(2.5, 0, 0))).toBeTruthy();
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expect(equal(pl.GetPointAtDistance(5 + Math.PI * 2.5), new Vector3(5, 5, 0))).toBeTruthy();
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expect(equal(pl.GetPointAtDistance(5 + Math.PI * 2.5 * 2), new Vector3(5, 10, 0))).toBeTruthy();
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expect(equal(pl.GetPointAtDistance(0), new Vector3(0, 0, 0))).toBeTruthy();
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})
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test("多段线距离获取参数", () =>
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{
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let pl = new Polyline([
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{
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pt: new Vector2(0, 0),
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bul: 0
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},
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{
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pt: new Vector2(5, 0),
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bul: 1
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},
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{
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pt: new Vector2(5, 5),
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bul: -1
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},
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{
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pt: new Vector2(5, 10),
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bul: 0
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},
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{
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pt: new Vector2(0, 10),
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bul: 0
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},
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{
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pt: new Vector2(0, 0),
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bul: 0
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}
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])
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expect(pl.GetParamAtDist(5)).toBe(1);
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expect(pl.GetParamAtDist(5 + Math.PI * 2.5)).toBe(2);
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expect(pl.GetParamAtDist(5 + Math.PI * 2.5 / 2)).toBe(1.5);
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})
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test("多段线点获取弧长", () =>
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{
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let pl = new Polyline([
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{
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pt: new Vector2(0, 0),
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bul: 0
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},
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{
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pt: new Vector2(5, 0),
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bul: 1
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},
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{
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pt: new Vector2(5, 5),
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bul: -1
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},
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{
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pt: new Vector2(5, 10),
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bul: 0
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},
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{
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pt: new Vector2(0, 10),
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bul: 0
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},
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{
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pt: new Vector2(0, 0),
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bul: 0
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}
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])
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expect(pl.GetDistAtPoint(new Vector3(0, 0, 0))).toBe(0);
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expect(pl.GetDistAtPoint(new Vector3(5, 0, 0))).toBe(5);
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expect(pl.GetDistAtPoint(new Vector3(7.5, 2.5, 0))).toBe(5 + Math.PI / 2 * 2.5);
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expect(pl.GetDistAtPoint(new Vector3(7.5, 2.5, 0))).toBe(5 + Math.PI / 2 * 2.5);
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expect(equaln(pl.Length, 20 + 2 * Math.PI * 2.5)).toBeTruthy();
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})
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test("多段线延伸,不闭合", () =>
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{
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let pl = new Polyline([
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{
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pt: new Vector2(0, 0),
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bul: 0
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},
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{
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pt: new Vector2(5, 0),
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bul: 1
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},
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{
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pt: new Vector2(5, 5),
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bul: -1
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},
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{
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pt: new Vector2(5, 10),
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bul: 0
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},
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{
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pt: new Vector2(0, 10),
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bul: 0
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},
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{
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pt: new Vector2(0, 0),
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bul: 0
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}
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])
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let pl2 = new Polyline([
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{
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pt: new Vector2(0, 0),
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bul: 0
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},
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{
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pt: new Vector2(5, 0),
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bul: 1
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},
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{
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pt: new Vector2(5, 5),
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bul: -1
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},
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{
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pt: new Vector2(5, 10),
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bul: 0
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},
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{
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pt: new Vector2(0, 10),
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bul: 0
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}
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])
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expect(pl.IsClose).toBeTruthy();
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pl.Extend(5.5);
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expect(pl.EndPoint).toEqual(new Vector3(0, -5, 0));
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expect(pl.LineData.length).toEqual(6);
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expect(pl.GetPointAtParam(5)).toEqual(new Vector3(0, -5, 0));
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pl.Extend(-0.5);
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expect(pl.StartPoint).toEqual(new Vector3(-2.5, 0, 0));
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expect(pl.IsClose).toBeFalsy();
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pl2.Extend(4.5)
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expect(pl2.EndPoint).toEqual(new Vector3(-2.5, 10, 0));
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pl2.Extend(-0.5)
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expect(pl2.EndPoint).toEqual(new Vector3(-2.5, 10, 0));
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expect(pl2.StartPoint).toEqual(new Vector3(-2.5, 0, 0));
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let pl3 = new Polyline([
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{
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pt: new Vector2(0, 0),
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bul: 1
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},
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{
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pt: new Vector2(0, 5),
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bul: 0
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}
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])
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pl3.Extend(1.5);
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expect(equal(pl3.EndPoint, new Vector3(-2.5, 2.5, 0))).toBeTruthy();
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pl3.Extend(1 + 1 / 3);
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// expect(pl3.EndPoint).toEqual(new Vector3(0, 0, 0));
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expect(equal(pl3.EndPoint /*?*/, new Vector3(0, 0, 0))).toBeTruthy();
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})
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test("多段线延伸,闭合", () =>
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{
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let pl = new Polyline([
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{
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pt: new Vector2(0, 0),
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bul: 0
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},
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{
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pt: new Vector2(5, 0),
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bul: 1
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},
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{
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pt: new Vector2(5, 5),
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bul: -1
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},
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{
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pt: new Vector2(5, 10),
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bul: 0
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},
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{
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pt: new Vector2(0, 10),
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bul: 0
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},
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{
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pt: new Vector2(0, 0),
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bul: 0
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}
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])
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pl.CloseMark = true;
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pl.Extend(5.5);
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expect(pl.EndPoint).toEqual(new Vector3());
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})
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test("多段线点在线上", () =>
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{
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let pl = new Polyline([
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{
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pt: new Vector2(0, 0),
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bul: 0
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},
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{
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pt: new Vector2(5, 0),
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bul: 1
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},
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{
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pt: new Vector2(5, 5),
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bul: -1
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},
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{
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pt: new Vector2(5, 10),
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bul: 0
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},
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{
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pt: new Vector2(0, 10),
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bul: 0
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},
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{
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pt: new Vector2(0, 0),
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bul: 0
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}
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])
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expect(pl.GetParamAtPoint(new Vector3())).toBe(0);
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expect(pl.PtOnCurve(new Vector3(0, 0, 0))).toBeTruthy();
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expect(pl.PtOnCurve(new Vector3(5, 0, 0))).toBeTruthy();
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expect(pl.PtOnCurve(new Vector3(7.5, 2.5, 0))).toBeTruthy();
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expect(pl.PtOnCurve(new Vector3(7.5, 3.5, 0))).toBeFalsy();
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})
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test("多段线最近点", () =>
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{
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let pl = new Polyline([
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{
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pt: new Vector2(0, 0),
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bul: 0
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},
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{
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pt: new Vector2(5, 0),
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bul: 1
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},
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{
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pt: new Vector2(5, 5),
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bul: -1
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},
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{
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pt: new Vector2(5, 10),
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bul: 0
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},
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{
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pt: new Vector2(0, 10),
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bul: 0
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},
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{
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pt: new Vector2(0, 0),
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bul: 0
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}
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])
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expect(pl.GetClosestPointTo(new Vector3(), true)).toEqual(new Vector3());
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expect(pl.GetClosestPointTo(new Vector3(3.5, 2.5), true)).toEqual(new Vector3(3.5, 0, 0));
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expect(pl.GetClosestPointTo(new Vector3(1.5, 3.5), true)).toEqual(new Vector3(0, 3.5, 0));
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expect(equal(pl.GetClosestPointTo(new Vector3(1.5, 3.5), true), new Vector3(0, 3.5, 0))).toBeTruthy();
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expect(equal(pl.GetClosestPointTo(new Vector3(-0.5, -1), true), new Vector3(0, -1, 0))).toBeTruthy();
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})
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test("多段线包围盒", () =>
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{
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let pl = new Polyline([
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{
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pt: new Vector2(0, 0),
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bul: 0
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},
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{
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pt: new Vector2(5, 0),
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bul: 1
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},
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{
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pt: new Vector2(5, 5),
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bul: -1
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},
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{
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pt: new Vector2(5, 10),
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bul: 0
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},
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{
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pt: new Vector2(0, 10),
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bul: 0
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},
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{
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pt: new Vector2(0, 0),
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bul: 0
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}
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])
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expect(pl.BoundingBox.getSize(new Vector3())).toEqual(new Vector3(7.5, 10, 0))
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})
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test("多段线反转", () =>
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{
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let pl = new Polyline([
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{
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pt: new Vector2(0, 0),
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bul: 0
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},
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{
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pt: new Vector2(5, 0),
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bul: 1
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},
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{
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pt: new Vector2(5, 5),
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bul: -1
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},
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{
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pt: new Vector2(5, 10),
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bul: 0
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},
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{
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pt: new Vector2(0, 10),
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bul: 0
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}
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])
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pl.Reverse();
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expect(pl.StartPoint).toEqual(new Vector3(0, 10, 0))
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})
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//直线和圆的求交的det精度不能为0.1 太大了.请保证这个测试是通过的
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test('最近点精度', () =>
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{
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let f = new CADFile();
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f.Data =
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[1, ["Polyline", 1, 1, 3, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1], 2, 5, [0, 0], 0, [2, 0], 1, [2, 2], -1, [2, 4], 0, [0, 4], 0, true]]
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f.Read();
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let pl = f.ReadObject() as Polyline;
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pl.Reverse();
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let cp = pl.GetClosestPointTo(new Vector3(2 - 1e-2, 3.8), false);
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expect(cp).toMatchSnapshot();
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});
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test('优化参数在端点上的时候', () =>
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{
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let pl = new Polyline();
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pl.AddVertexAt(0, new Vector2(0, 0));
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pl.AddVertexAt(1, new Vector2(5, 0));
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pl.AddVertexAt(2, new Vector2(5, 5));
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pl.CloseMark = true;
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let p = pl.GetPointAtParam(3);
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expect(p).toMatchSnapshot();
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});
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test('存在大圆弧的多段线面积', () =>
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{
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let f = new CADFile();
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f.Data =
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[1, ["Polyline", 1, 1, 1606, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, -19.17745164184445, -6.335408131680751, 0, 1], 2, 5, [11.884352072596577, -75.64730611519322], -1.9523252757782086, [16.25360183965801, -70.58112080246555], 0, [14.621427950114992, -70.9720172143345], 1.8583004340984604, [11.834326201222096, -73.95002751582643], 0, [11.884352072596577, -75.64730611519322], 0, false]]
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f.Read();
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let pl = f.ReadObject() as Polyline;
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expect(pl.Area2).toMatchSnapshot();
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});
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})
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test('最近点参数刚好在端点上', () =>
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{
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let f = new CADFile();
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f.Data = [1, ["Polyline", 1, 1, 11, false, 7, -1, [1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 1, 0, 15.725529745042493, -3.9968028886505635e-15, 0, 1], 2, 3, [13.07875354107649, 3.8181303116147296], 0, [18.159206798866855, 3.8181303116147296], 0.664293193717279, [18.159206798866855, -1.4844192634560907], -0.10977222864644352, false]];
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f.Read();
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let pl = f.ReadObject() as Polyline;
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let p = new Vector3(33.88473654390935, 3.8181303116147256, 0);
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let cp = pl.GetClosestPointTo(p, false);
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let param = pl.GetParamAtPoint(cp);
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expect(equaln(param, 1)).toBeTruthy();
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});
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