{
  "version": 3,
  "sources": ["../../../../src/lib/primitives/geometry/Geometry2d.ts"],
  "sourcesContent": ["import { Box } from '../Box'\nimport { Vec } from '../Vec'\nimport { pointInPolygon } from '../utils'\n\n/** @public */\nexport interface Geometry2dOptions {\n\tisFilled: boolean\n\tisClosed: boolean\n\tisLabel?: boolean\n\tdebugColor?: string\n\tignore?: boolean\n}\n\n/** @public */\nexport abstract class Geometry2d {\n\tisFilled = false\n\tisClosed = true\n\tisLabel = false\n\tdebugColor?: string\n\tignore?: boolean\n\n\tconstructor(opts: Geometry2dOptions) {\n\t\tthis.isFilled = opts.isFilled\n\t\tthis.isClosed = opts.isClosed\n\t\tthis.isLabel = opts.isLabel ?? false\n\t\tthis.debugColor = opts.debugColor\n\t\tthis.ignore = opts.ignore\n\t}\n\n\tabstract getVertices(): Vec[]\n\n\tabstract nearestPoint(point: Vec): Vec\n\n\t// hitTestPoint(point: Vec, margin = 0, hitInside = false) {\n\t// \t// We've removed the broad phase here; that should be done outside of the call\n\t// \treturn this.distanceToPoint(point, hitInside) <= margin\n\t// }\n\n\thitTestPoint(point: Vec, margin = 0, hitInside = false) {\n\t\t// First check whether the point is inside\n\t\tif (this.isClosed && (this.isFilled || hitInside) && pointInPolygon(point, this.vertices)) {\n\t\t\treturn true\n\t\t}\n\t\t// Then check whether the distance is within the margin\n\t\treturn Vec.Dist2(point, this.nearestPoint(point)) <= margin * margin\n\t}\n\n\tdistanceToPoint(point: Vec, hitInside = false) {\n\t\treturn (\n\t\t\tpoint.dist(this.nearestPoint(point)) *\n\t\t\t(this.isClosed && (this.isFilled || hitInside) && pointInPolygon(point, this.vertices)\n\t\t\t\t? -1\n\t\t\t\t: 1)\n\t\t)\n\t}\n\n\tdistanceToLineSegment(A: Vec, B: Vec) {\n\t\tif (A.equals(B)) return this.distanceToPoint(A)\n\t\tconst { vertices } = this\n\t\tlet nearest: Vec | undefined\n\t\tlet dist = Infinity\n\t\tlet d: number, p: Vec, q: Vec\n\t\tfor (let i = 0; i < vertices.length; i++) {\n\t\t\tp = vertices[i]\n\t\t\tq = Vec.NearestPointOnLineSegment(A, B, p, true)\n\t\t\td = Vec.Dist2(p, q)\n\t\t\tif (d < dist) {\n\t\t\t\tdist = d\n\t\t\t\tnearest = q\n\t\t\t}\n\t\t}\n\t\tif (!nearest) throw Error('nearest point not found')\n\t\treturn this.isClosed && this.isFilled && pointInPolygon(nearest, this.vertices) ? -dist : dist\n\t}\n\n\thitTestLineSegment(A: Vec, B: Vec, distance = 0): boolean {\n\t\treturn this.distanceToLineSegment(A, B) <= distance\n\t}\n\n\tnearestPointOnLineSegment(A: Vec, B: Vec): Vec {\n\t\tconst { vertices } = this\n\t\tlet nearest: Vec | undefined\n\t\tlet dist = Infinity\n\t\tlet d: number, p: Vec, q: Vec\n\t\tfor (let i = 0; i < vertices.length; i++) {\n\t\t\tp = vertices[i]\n\t\t\tq = Vec.NearestPointOnLineSegment(A, B, p, true)\n\t\t\td = Vec.Dist2(p, q)\n\t\t\tif (d < dist) {\n\t\t\t\tdist = d\n\t\t\t\tnearest = q\n\t\t\t}\n\t\t}\n\t\tif (!nearest) throw Error('nearest point not found')\n\t\treturn nearest\n\t}\n\n\tisPointInBounds(point: Vec, margin = 0) {\n\t\tconst { bounds } = this\n\t\treturn !(\n\t\t\tpoint.x < bounds.minX - margin ||\n\t\t\tpoint.y < bounds.minY - margin ||\n\t\t\tpoint.x > bounds.maxX + margin ||\n\t\t\tpoint.y > bounds.maxY + margin\n\t\t)\n\t}\n\n\tprivate _vertices: Vec[] | undefined\n\n\t// eslint-disable-next-line no-restricted-syntax\n\tget vertices(): Vec[] {\n\t\tif (!this._vertices) {\n\t\t\tthis._vertices = this.getVertices()\n\t\t}\n\n\t\treturn this._vertices\n\t}\n\n\tgetBounds() {\n\t\treturn Box.FromPoints(this.vertices)\n\t}\n\n\tprivate _bounds: Box | undefined\n\n\t// eslint-disable-next-line no-restricted-syntax\n\tget bounds(): Box {\n\t\tif (!this._bounds) {\n\t\t\tthis._bounds = this.getBounds()\n\t\t}\n\t\treturn this._bounds\n\t}\n\n\t// eslint-disable-next-line no-restricted-syntax\n\tget center() {\n\t\treturn this.bounds.center\n\t}\n\n\tprivate _area: number | undefined\n\n\t// eslint-disable-next-line no-restricted-syntax\n\tget area() {\n\t\tif (!this._area) {\n\t\t\tthis._area = this.getArea()\n\t\t}\n\t\treturn this._area\n\t}\n\n\tgetArea() {\n\t\tif (!this.isClosed) {\n\t\t\treturn 0\n\t\t}\n\t\tconst { vertices } = this\n\t\tlet area = 0\n\t\tfor (let i = 0, n = vertices.length; i < n; i++) {\n\t\t\tconst curr = vertices[i]\n\t\t\tconst next = vertices[(i + 1) % n]\n\t\t\tarea += curr.x * next.y - next.x * curr.y\n\t\t}\n\t\treturn area / 2\n\t}\n\n\ttoSimpleSvgPath() {\n\t\tlet path = ''\n\n\t\tconst { vertices } = this\n\t\tconst n = vertices.length\n\n\t\tif (n === 0) return path\n\n\t\tpath += `M${vertices[0].x},${vertices[0].y}`\n\n\t\tfor (let i = 1; i < n; i++) {\n\t\t\tpath += `L${vertices[i].x},${vertices[i].y}`\n\t\t}\n\n\t\tif (this.isClosed) {\n\t\t\tpath += 'Z'\n\t\t}\n\n\t\treturn path\n\t}\n\n\tprivate _length?: number\n\n\t// eslint-disable-next-line no-restricted-syntax\n\tget length() {\n\t\tif (this._length) return this._length\n\t\tthis._length = this.getLength()\n\t\treturn this._length\n\t}\n\n\tgetLength() {\n\t\tconst { vertices } = this\n\t\tlet n1: Vec,\n\t\t\tp1 = vertices[0],\n\t\t\tlength = 0\n\t\tfor (let i = 1; i < vertices.length; i++) {\n\t\t\tn1 = vertices[i]\n\t\t\tlength += Vec.Dist2(p1, n1)\n\t\t\tp1 = n1\n\t\t}\n\t\treturn Math.sqrt(length)\n\t}\n\n\tabstract getSvgPathData(first: boolean): string\n}\n"],
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