2021-02-03 13:32:24 -06:00
|
|
|
import {expect} from 'chai';
|
|
|
|
|
|
|
|
import {angleFromRad, HALF_PI, PI} from '../src/math';
|
|
|
|
|
|
|
|
it('can translate radians into degrees', () => {
|
|
|
|
expect(angleFromRad(0)).to.equal(90);
|
2021-04-20 06:26:13 -05:00
|
|
|
expect(angleFromRad(HALF_PI)).to.equal(0);
|
2021-02-03 13:32:24 -06:00
|
|
|
expect(angleFromRad(PI)).to.equal(270);
|
2021-04-20 06:26:13 -05:00
|
|
|
expect(angleFromRad(PI + HALF_PI)).to.equal(180);
|
2021-02-03 13:32:24 -06:00
|
|
|
expect(angleFromRad(2 * PI)).to.equal(90);
|
|
|
|
});
|