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chore(core): More unit tests

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This commit is contained in:
Joost De Cock 2022-09-19 18:04:47 +02:00
parent 269b1a36f1
commit d5eb2946d3
13 changed files with 662 additions and 809 deletions
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21
packages/core/src/path.mjs
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@ -642,7 +642,7 @@ Path.prototype.shiftAlong = function (distance, stepsPerMm = 10) {
let thisLen = bezier.length()
if (Math.abs(len + thisLen - distance) < 0.1) return op.to
if (len + thisLen > distance)
return shiftAlongBezier(distance - len, bezier, thisLen * stepsPerMm)
return __shiftAlongBezier(distance - len, bezier, thisLen * stepsPerMm)
len += thisLen
}
current = op.to
@ -1266,25 +1266,10 @@ function __pathOffset(path, distance, log) {
* @private
* @param {float} distance - The distance to shift along the cubic Bezier curve
* @param {Bezier} bezier - The BezierJs instance
* @param {int} steps - The numer of steps to walk the Bezier with
* @param {int} steps - The numer of steps per mm to walk the Bezier with
* @return {Point} point - The point at distance along the cubic Bezier curve
*/
function shiftAlongBezier(distance, bezier, steps = false) {
let rlen
if (!steps) {
rlen = new Path()
.move(new Point(...Object.values(bezier.points[0])))
.curve(
new Point(...Object.values(bezier.points[1])),
new Point(...Object.values(bezier.points[2])),
new Point(...Object.values(bezier.points[3]))
)
.roughLength()
if (rlen < 2) steps = 20
else if (rlen < 10) steps = 40
else if (rlen < 100) steps = 100
else steps = 200
}
function __shiftAlongBezier(distance, bezier, steps) {
let previous, next, t, thisLen
let len = 0
for (let i = 0; i <= steps; i++) {