{
  "version": 3,
  "sources": ["../../../../src/lib/shapes/shared/polygon-helpers.ts"],
  "sourcesContent": ["import { Vec2d, VecLike, toDomPrecision } from '@tldraw/editor'\n\nfunction precise(A: VecLike) {\n\treturn `${toDomPrecision(A.x)},${toDomPrecision(A.y)} `\n}\n\nfunction rng(seed = '') {\n\tlet x = 0\n\tlet y = 0\n\tlet z = 0\n\tlet w = 0\n\n\tfunction next() {\n\t\tconst t = x ^ (x << 11)\n\t\tx = y\n\t\ty = z\n\t\tz = w\n\t\tw ^= ((w >>> 19) ^ t ^ (t >>> 8)) >>> 0\n\t\treturn (w / 0x100000000) * 2\n\t}\n\n\tfor (let k = 0; k < seed.length + 64; k++) {\n\t\tx ^= seed.charCodeAt(k) | 0\n\t\tnext()\n\t}\n\n\treturn next\n}\n\n/** @public */\nexport function getRoundedInkyPolygonPath(points: VecLike[]) {\n\tlet polylineA = `M`\n\n\tconst len = points.length\n\n\tlet p0: VecLike\n\tlet p1: VecLike\n\tlet p2: VecLike\n\n\tfor (let i = 0, n = len; i < n; i += 3) {\n\t\tp0 = points[i]\n\t\tp1 = points[i + 1]\n\t\tp2 = points[i + 2]\n\n\t\tpolylineA += `${precise(p0)}L${precise(p1)}Q${precise(p2)}`\n\t}\n\n\tpolylineA += `${precise(points[0])}`\n\n\treturn polylineA\n}\n\n/** @public */\nexport function getRoundedPolygonPoints(\n\tid: string,\n\toutline: VecLike[],\n\toffset: number,\n\troundness: number,\n\tpasses: number\n) {\n\tconst results: VecLike[] = []\n\n\tconst random = rng(id)\n\tlet p0 = outline[0]\n\tlet p1: VecLike\n\n\tconst len = outline.length\n\n\tfor (let i = 0, n = len * passes; i < n; i++) {\n\t\tp1 = Vec2d.AddXY(outline[(i + 1) % len], random() * offset, random() * offset)\n\n\t\tconst delta = Vec2d.Sub(p1, p0)\n\t\tconst distance = Vec2d.Len(delta)\n\t\tconst vector = Vec2d.Div(delta, distance).mul(Math.min(distance / 4, roundness))\n\t\tresults.push(Vec2d.Add(p0, vector), Vec2d.Add(p1, vector.neg()), p1)\n\n\t\tp0 = p1\n\t}\n\n\treturn results\n}\n\n/** @public */\nexport function getDrawLinePathData(id: string, outline: VecLike[], strokeWidth: number) {\n\tlet innerPathData = `M ${precise(outline[0])}L`\n\tlet outerPathData2 = `M ${precise(outline[0])}L`\n\n\tconst offset = strokeWidth / 3\n\tconst roundness = strokeWidth * 2\n\n\tconst random = rng(id)\n\tlet p0 = outline[0]\n\tlet p1: VecLike\n\n\tlet s0 = outline[0]\n\tlet s1: VecLike\n\n\tconst len = outline.length\n\n\tfor (let i = 0, n = len - 1; i < n; i++) {\n\t\tp1 = outline[i + 1]\n\t\ts1 = Vec2d.AddXY(outline[i + 1], random() * offset, random() * offset)\n\n\t\tconst delta = Vec2d.Sub(p1, p0)\n\t\tconst distance = Vec2d.Len(delta)\n\t\tconst vector = Vec2d.Div(delta, distance).mul(Math.min(distance / 4, roundness))\n\n\t\tconst q0 = Vec2d.Add(p0, vector)\n\t\tconst q1 = Vec2d.Add(p1, vector.neg())\n\n\t\tconst sDelta = Vec2d.Sub(s1, s0)\n\t\tconst sDistance = Vec2d.Len(sDelta)\n\t\tconst sVector = Vec2d.Div(sDelta, sDistance).mul(Math.min(sDistance / 4, roundness))\n\n\t\tconst sq0 = Vec2d.Add(s0, sVector)\n\t\tconst sq1 = Vec2d.Add(s1, sVector.neg())\n\n\t\tif (i === n - 1) {\n\t\t\tinnerPathData += `${precise(q0)}L ${precise(p1)}`\n\t\t\touterPathData2 += `${precise(sq0)}L ${precise(s1)}`\n\t\t} else {\n\t\t\tinnerPathData += `${precise(q0)}L ${precise(q1)}Q ${precise(p1)}`\n\t\t\touterPathData2 += `${precise(sq0)}L ${precise(sq1)}Q ${precise(s1)}`\n\n\t\t\tp0 = p1\n\t\t\ts0 = s1\n\t\t}\n\t}\n\n\treturn [innerPathData, innerPathData + outerPathData2]\n}\n"],
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