@tldraw/editor/dist-esm/lib/primitives/geometry/Edge2d.mjs.map

tldraw infinite canvas SDK (editor).

{
  "version": 3,
  "sources": ["../../../../src/lib/primitives/geometry/Edge2d.ts"],
  "sourcesContent": ["import { Vec, VecLike } from '../Vec'\nimport { Geometry2d } from './Geometry2d'\n\n/** @public */\nexport class Edge2d extends Geometry2d {\n\tprivate _start: Vec\n\tprivate _end: Vec\n\tprivate _dx: number\n\tprivate _dy: number\n\tprivate _len2: number\n\n\tconstructor(config: { start: Vec; end: Vec }) {\n\t\tsuper({ ...config, isClosed: false, isFilled: false })\n\t\tconst { start, end } = config\n\n\t\tthis._start = start\n\t\tthis._end = end\n\n\t\t// Precomputed segment delta and squared length (replaces Vec.Sub(end, start) and Vec.Len2)\n\t\tthis._dx = end.x - start.x\n\t\tthis._dy = end.y - start.y\n\t\tthis._len2 = this._dx * this._dx + this._dy * this._dy\n\t}\n\n\toverride getLength() {\n\t\treturn Math.sqrt(this._len2)\n\t}\n\n\toverride getVertices(): Vec[] {\n\t\treturn [this._start, this._end]\n\t}\n\n\toverride nearestPoint(point: VecLike): Vec {\n\t\t// Inlined: Vec.NearestPointOnLineSegment(start, end, point)\n\t\t// Uses precomputed dx/dy/len2 and parametric t-clamping instead of Vec allocations.\n\t\tconst { _start: start, _end: end, _dx: dx, _dy: dy, _len2: len2 } = this\n\t\tif (len2 === 0) return start\n\n\t\tconst t = ((point.x - start.x) * dx + (point.y - start.y) * dy) / len2\n\t\tif (t <= 0) return start\n\t\tif (t >= 1) return end\n\t\treturn new Vec(start.x + dx * t, start.y + dy * t)\n\t}\n\n\toverride distanceToPoint(point: VecLike, _hitInside = false): number {\n\t\t// Inlined: Vec.Dist(point, this.nearestPoint(point))\n\t\t// Finds nearest point via parametric t-projection then returns scalar distance directly,\n\t\t// avoiding the Vec allocation that nearestPoint would create.\n\t\tconst { _start: start, _end: end, _dx: dx, _dy: dy, _len2: len2 } = this\n\t\tif (len2 === 0) return Vec.Dist(point, start)\n\n\t\tconst t = ((point.x - start.x) * dx + (point.y - start.y) * dy) / len2\n\t\tlet nx: number, ny: number\n\t\tif (t <= 0) {\n\t\t\tnx = start.x\n\t\t\tny = start.y\n\t\t} else if (t >= 1) {\n\t\t\tnx = end.x\n\t\t\tny = end.y\n\t\t} else {\n\t\t\tnx = start.x + dx * t\n\t\t\tny = start.y + dy * t\n\t\t}\n\t\tconst ex = point.x - nx\n\t\tconst ey = point.y - ny\n\t\treturn Math.sqrt(ex * ex + ey * ey)\n\t}\n\n\tgetSvgPathData(first = true) {\n\t\tconst { _start: start, _end: end } = this\n\t\treturn `${first ? `M${start.toFixed()}` : ``} L${end.toFixed()}`\n\t}\n}\n"],
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