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Add test for path.angleAt

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This commit is contained in:
Jonathan Haas 2024-04-15 18:27:18 +02:00
parent d2731a6d88
commit 25059b818f
1 changed files with 27 additions and 0 deletions
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27
packages/core/tests/path.test.mjs
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@ -649,6 +649,33 @@ describe('Path', () => {
expect(halves[1].ops[0].to.y).to.equal(30)
})
it('Should determine the angle on a path', () => {
const a = new Point(0, 0)
const b = new Point(0, 40)
const c = new Point(40, 40)
const d = new Point(100, 40)
const e = new Point(100, 0)
const linePoint = new Point(80, 40)
const curvePoint = new Point(5, 35)
const path = new Path().move(a).curve(b, b, c).line(d).line(e)
let angleAtStart = path.angleAt(a)
let angleOnCurve = path.angleAt(curvePoint)
let angleOnJoint = path.angleAt(c)
let angleOnLine = path.angleAt(linePoint)
let angleOnCorner = path.angleAt(d)
let angleOnEnd = path.angleAt(e)
expect(angleAtStart).to.equal(-90)
expect(angleOnCurve).to.equal(-45)
expect(angleOnJoint).to.equal(0)
expect(angleOnLine).to.equal(0)
expect(angleOnCorner).to.equal(0)
expect(angleOnEnd).to.equal(90)
})
it('Should trim a path when lines overlap', () => {
const A = new Point(0, 0)
const B = new Point(100, 100)