78 lines
2.3 KiB
JavaScript
78 lines
2.3 KiB
JavaScript
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var expect = require('chai').expect;
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var Point = require('../dist/lib/point').Point;
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var utils = require('../dist/lib/utils');
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it('should round a value', () => {
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expect(utils.round(1.2345)).to.equal(1.23);
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expect(utils.round(-9.876)).to.equal(-9.88);
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expect(utils.round(12)).to.equal(12);
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});
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it('should convert radians to degrees', () => {
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expect(utils.rad2deg(Math.PI/2)).to.equal(90);
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expect(utils.rad2deg(Math.PI)).to.equal(180);
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expect(utils.rad2deg(Math.PI*2)).to.equal(360);
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});
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it('should convert degrees to radians', () => {
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expect(utils.deg2rad(90)).to.equal(Math.PI/2);
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expect(utils.deg2rad(180)).to.equal(Math.PI);
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expect(utils.deg2rad(360)).to.equal(Math.PI*2);
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});
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it('should return a line intersection', () => {
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let a = new Point(-10,-10);
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let b = new Point(10,-10);
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let c = new Point(10,10);
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let d = new Point(-10,10);
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let result = utils.beamsCross(a,c,b,d);
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expect(result.x).to.equal(0);
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expect(result.y).to.equal(0);
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expect(utils.beamsCross(a,b,c,d)).to.be.false;
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// Debug
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let e = new Point(0,0);
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let f = new Point(25,25);
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let g = new Point(0,60);
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let h = new Point(25,35);
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// Should be 30,30, but is 30,0
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console.log(utils.beamsCross(e,f,g,h));
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//$p->newPoint(2,25,25);
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//$p->newPoint(3,0,60);
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//$p->newPoint(4,25,35);
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//$this->assertFalse($p->linesCross(1,2,3,4));
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//$this->assertFalse($p->beamsCross(1,3,2,4));
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//
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//$expect = new \Freesewing\Point();
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//$expect->setX(30);
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//$expect->setY(30);
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//$this->assertEquals($p->beamsCross(1,2,3,4), $expect);
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//
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//$p->newPoint(4,10,-10);
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//$expect->setX(7.5);
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//$expect->setY(7.5);
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//$this->assertEquals($p->linesCross(1,2,3,4), $expect);
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//
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});
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it('should return a line segment intersection', () => {
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let a = new Point(-10,-10);
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let b = new Point(10,-10);
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let c = new Point(10,10);
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let d = new Point(-10,10);
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let result = utils.linesCross(a,c,b,d);
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expect(result.x).to.equal(0);
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expect(result.y).to.equal(0);
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expect(utils.linesCross(a,b,c,d)).to.be.false;
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let e = new Point(5,-5);
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expect(utils.linesCross(a,b,c,e)).to.be.false;
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let f = new Point(1,10);
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let g = new Point(0,49);
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let h = new Point(-20,40);
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let i = new Point(20,40);
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console.log(utils.beamsCross(g,f,h,i));
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});
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