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freesewing/packages/examples/src/utils_lineintersectscircle.js
2021-01-31 09:22:15 +01:00

45 lines
1.3 KiB
JavaScript

import { box } from './shared'
export default (part) => {
let { Point, points, Path, paths, Snippet, snippets, utils } = part.shorthand()
points.A = new Point(95, 45).attr('data-circle', 35).attr('data-circle-class', 'fabric')
points.B = new Point(55, 50)
points.C = new Point(75, 30)
points.D = new Point(55, 65)
points.E = new Point(115, 5)
points.F = new Point(65, 75)
points.G = new Point(125, 15)
paths.line1 = new Path().move(points.B).line(points.C)
paths.line2 = new Path().move(points.D).line(points.E)
paths.line3 = new Path().move(points.F).line(points.G)
let intersections1 = utils.lineIntersectsCircle(
points.A,
points.A.attributes.get('data-circle'),
points.B,
points.C
)
let intersections2 = utils.lineIntersectsCircle(
points.A,
points.A.attributes.get('data-circle'),
points.D,
points.E,
'y'
)
let intersections3 = utils.lineIntersectsCircle(
points.A,
points.A.attributes.get('data-circle'),
points.F,
points.G
)
snippets.first1 = new Snippet('bnotch', intersections1[0])
snippets.first2 = new Snippet('bnotch', intersections2[0])
snippets.second2 = new Snippet('notch', intersections2[1])
snippets.first3 = new Snippet('bnotch', intersections3[0])
snippets.second3 = new Snippet('notch', intersections3[1])
return box(part, 200, 80)
}