WebCAD/__test__/Geometry/GeUtils.test.ts

import { Vector3 } from 'three';

import { getLoocAtUpVec, rotatePoint, ComparePointFnGenerate } from './../../src/Geometry/GeUtils';

test('getLoocAtUpVec', () =>
{
    //俯视图 0,1,0
    expect(getLoocAtUpVec(new Vector3(0, 0, 1)) /*?*/).toMatchSnapshot();
    //仰视图
    expect(getLoocAtUpVec(new Vector3(0, 0, -1)) /*?*/).toMatchSnapshot();
    //左视图
    expect(getLoocAtUpVec(new Vector3(-1, 0, 0)) /*?*/).toMatchSnapshot();
    //右视图
    expect(getLoocAtUpVec(new Vector3(1, 0, 0)) /*?*/).toMatchSnapshot();
    //前视图
    expect(getLoocAtUpVec(new Vector3(0, 1, 0)) /*?*/).toMatchSnapshot();
});

test('旋转量', () =>
{

    let v = new Vector3(1, 0, 0);
    rotatePoint(v, 0.5);

    expect(v).toMatchSnapshot();

    rotatePoint(v, -0.5);
    expect(v).toMatchSnapshot();
});


describe('排序测试', () =>
{
    let pts = [
        new Vector3(6, 2, 4),
        new Vector3(1, 4, 3),
        new Vector3(2, 2, 2),
        new Vector3(3, 3, 1),
        new Vector3(1, 3, 1),
        new Vector3(1, 2, 1),
    ];
    test('排序点xyz', () =>
    {
        pts.sort(ComparePointFnGenerate("xyz"));
        expect(pts).toMatchSnapshot();
    });

    test('排序点Xyz', () =>
    {
        pts.sort(ComparePointFnGenerate("Xyz"));
        expect(pts).toMatchSnapshot();
    });

    test('排序点Zx', () =>
    {
        pts.sort(ComparePointFnGenerate("Zx"));
        expect(pts).toMatchSnapshot();
    });
});