2f:T2141,inputs = `R 3 (#6289d0) U 2 (#6a5a63) R 3 (#49a250) U 9 (#290bb3) R 6 (#8ec710) D 8 (#838413) R 4 (#387a10) D 3 (#32f593) R 4 (#3a8d10) U 7 (#a252a3) R 3 (#500100) U 5 (#03c113) R 4 (#28fc32) U 6 (#6da763) R 4 (#033882) D 8 (#0aa563) R 2 (#3c2ae2) D 3 (#79df03) R 5 (#7a1652) D 8 (#79df01) R 6 (#27e8a2) U 7 (#65f7a3) R 3 (#911302) U 5 (#58f723) R 8 (#6289d2) U 4 (#93bed3) L 11 (#5d5922) U 3 (#5552d3) R 9 (#7d6f62) U 3 (#17eec3) L 8 (#a06f82) U 3 (#068273) L 2 (#1aadb0) U 4 (#7f20e3) L 7 (#6895c0) U 3 (#141553) L 5 (#2ae520) U 5 (#141551) R 5 (#87e540) U 6 (#1d5593) L 6 (#2f8912) U 2 (#43b2e3) L 3 (#79f0f2) D 8 (#43b2e1) L 3 (#27a892) D 3 (#274813) L 3 (#64eb42) D 3 (#77cf23) L 3 (#9ac052) D 3 (#5d6873) L 5 (#1e96b2) D 6 (#1b83b3) L 5 (#981b40) U 4 (#13e0e1) L 11 (#367430) D 4 (#8b4bc3) L 5 (#4c6d40) U 9 (#8b4bc1) R 2 (#3eefd0) U 3 (#13e0e3) R 6 (#583170) U 4 (#a413d3) R 6 (#356a00) U 6 (#a413d1) R 8 (#4d0710) U 4 (#151eb3) R 3 (#838e10) U 6 (#34b913) R 4 (#2ef720) U 5 (#4a8523) R 7 (#34ca90) D 5 (#077023) R 4 (#747f00) U 3 (#077021) R 8 (#1a3150) U 6 (#4096d3) R 10 (#44a9e2) U 6 (#2a7c03) L 10 (#7ed102) U 4 (#46ea63) R 3 (#2acd60) U 3 (#9799c3) L 4 (#050c60) U 6 (#44c4b3) L 3 (#01e230) U 5 (#50ee91) L 3 (#3bfdd0) U 3 (#1c9603) L 7 (#2aa6d2) U 4 (#71db13) L 8 (#2aa6d0) D 7 (#31c943) L 9 (#4ccc60) D 4 (#2ca231) R 9 (#1402e0) D 5 (#939821) L 4 (#668400) D 2 (#4d4fa1) L 8 (#210230) U 8 (#3e2041) L 4 (#085470) U 3 (#404733) L 6 (#00c2b0) U 4 (#5be0c3) L 4 (#2b5df0) U 9 (#5fde53) R 4 (#83a0d0) U 9 (#795c63) R 3 (#814530) U 4 (#7f37e3) R 5 (#266850) D 5 (#659c43) R 7 (#266852) U 5 (#6b5593) R 9 (#a9e230) D 7 (#4d39a1) R 9 (#1a48b0) D 6 (#4f83f1) R 4 (#26ebe0) D 5 (#742f43) R 5 (#5443a0) U 5 (#742f41) R 6 (#3e64a0) U 2 (#1f6681) R 9 (#b99422) U 5 (#520eb1) L 6 (#27d510) U 6 (#0bba61) L 4 (#3ad3c0) U 5 (#92bca1) L 7 (#3ad3c2) U 5 (#200a11) L 6 (#4493c0) U 3 (#25dc51) L 5 (#6a5560) U 6 (#772071) L 4 (#264bf0) D 3 (#2719e1) L 5 (#90a152) D 6 (#1cbb11) L 4 (#4493c2) D 3 (#452e71) L 4 (#27d512) D 2 (#5dd971) L 8 (#1c4610) U 6 (#096103) R 5 (#8438f0) U 6 (#7351f3) R 4 (#057e10) U 6 (#0164e3) R 6 (#4f7390) U 3 (#2721c3) R 4 (#60ab50) U 6 (#4fb023) R 10 (#35dad0) U 2 (#4fb021) R 5 (#331620) U 7 (#157f73) R 9 (#618be0) U 2 (#36ac23) R 4 (#4c6400) U 9 (#36ac21) R 3 (#43b840) U 3 (#7159c3) L 7 (#44d610) U 5 (#155933) R 7 (#0991f2) U 5 (#577cc3) R 4 (#5c9bf2) U 3 (#05f3e3) R 7 (#4861f2) U 4 (#6c7323) R 7 (#6268b2) D 6 (#1cb853) R 2 (#23b182) D 3 (#34c9c3) L 7 (#01d432) D 8 (#0f5423) L 2 (#84c4f0) D 3 (#3f1e13) R 9 (#0cc5a0) D 5 (#57adb3) R 9 (#016840) D 4 (#677883) R 7 (#4b8150) D 7 (#584523) R 8 (#5bfe40) D 3 (#11d461) L 8 (#129982) D 7 (#51ede1) R 3 (#129980) D 9 (#5bfb61) R 3 (#20ef20) D 3 (#4d9bc3) R 6 (#3c2e70) D 3 (#43eb41) L 6 (#64a590) D 2 (#19ee91) L 4 (#17c8d0) D 7 (#975651) L 6 (#4d78f0) D 2 (#5af991) L 3 (#15f1b0) D 4 (#581221) R 6 (#254700) D 6 (#26e793) R 4 (#1b6f00) D 4 (#681fc3) L 4 (#364020) D 8 (#511d31) L 6 (#548950) D 6 (#3dea21) R 6 (#04fc90) D 3 (#552a51) R 4 (#0e1762) D 10 (#2561b1) R 5 (#597e80) D 8 (#702b43) R 3 (#16eb00) D 4 (#702b41) R 4 (#5ad290) D 3 (#427b11) R 8 (#1e5d32) D 7 (#0416e1) R 4 (#2daa92) U 5 (#28bc11) R 3 (#4019e2) U 5 (#8e2311) R 8 (#052a72) U 3 (#528623) L 8 (#1ea522) U 5 (#0cbf83) R 6 (#1ea520) U 5 (#5bb063) R 6 (#39f002) U 6 (#64e7e1) R 8 (#2f0402) U 3 (#3d83d3) R 6 (#70b5f2) U 2 (#7f4ba3) R 6 (#090b72) U 5 (#366de1) R 4 (#4b84c2) U 5 (#6b7cb1) R 3 (#763d12) D 6 (#1ae4e1) R 6 (#0e3542) U 6 (#560411) R 5 (#83a042) U 3 (#3bc341) R 3 (#4b7352) U 8 (#577fc1) R 7 (#626e42) U 4 (#13f5c1) R 5 (#a04f62) U 6 (#13f5c3) R 6 (#096972) U 2 (#2d6be1) R 4 (#0767e0) U 7 (#5be161) R 2 (#7d3600) U 8 (#440821) R 3 (#0fc190) U 3 (#61c671) L 3 (#07b370) U 10 (#430571) L 4 (#6f6970) U 5 (#43a653) L 8 (#1a5260) U 3 (#43a651) R 8 (#7107e0) U 7 (#10b3d1) L 8 (#024af2) U 7 (#16ed01) L 4 (#b255c2) U 2 (#099513) L 8 (#13d682) U 4 (#099511) R 3 (#b0f4a2) U 4 (#16ed03) R 3 (#1d6ac2) U 4 (#3295c1) R 8 (#1aa6b2) U 4 (#125d83) R 7 (#1dfb02) D 4 (#1bf363) R 3 (#2656e2) D 8 (#7d7303) R 7 (#2656e0) D 8 (#211f43) R 3 (#4592c2) D 7 (#292ae3) R 7 (#816e92) U 7 (#3898b3) R 5 (#4f4e62) D 5 (#86c423) R 3 (#7e59f2) D 9 (#27b271) R 3 (#1a02b2) D 6 (#03ce41) L 3 (#363970) D 9 (#b91bb1) L 2 (#363972) D 3 (#16cfd1) R 5 (#37ea82) D 3 (#0a2cd1) L 7 (#92d872) D 7 (#4c1711) L 4 (#01cbd2) D 7 (#4bc171) R 5 (#8efa50) D 5 (#7b2d31) R 6 (#0e9850) D 5 (#74ef91) R 7 (#7a37e0) D 3 (#6154e1) R 3 (#7baf00) U 5 (#17a443) R 8 (#532e00) U 6 (#17a441) R 10 (#8e0410) U 4 (#6154e3) R 5 (#6fca00) U 8 (#4b1103) L 6 (#833220) U 5 (#1e3033) L 3 (#54ef30) U 8 (#1e3031) L 2 (#9e7660) U 4 (#4b1101) L 3 (#064ae0) D 9 (#2b6491) L 2 (#83b470) D 3 (#2b6493) L 3 (#5a3a10) D 5 (#6bbba1) L 4 (#29afc0) U 10 (#235101) R 4 (#4a0f40) U 12 (#617f71) R 2 (#62e590) U 5 (#4d3611) R 7 (#4077e2) U 3 (#4763f1) L 5 (#81d5b2) U 5 (#6e1fd1) L 5 (#1107a2) U 5 (#020fa1) L 5 (#22b5f2) U 3 (#1d3841) R 6 (#13dff2) U 6 (#9501a1) R 6 (#4176b2) D 6 (#24aeb1) R 3 (#1d44c2) U 3 (#a77e53) R 5 (#00ad12) D 4 (#3179e3) R 3 (#42c9e2) D 8 (#65dbb1) R 2 (#9b6442) D 7 (#5bbda1) R 4 (#706b80) U 12 (#6b1e41) R 4 (#2c2250) D 9 (#5ef081) R 7 (#4d2c80) D 6 (#7e52d3) R 5 (#4004a0) D 2 (#340173) R 4 (#638190) D 8 (#a0e873) R 7 (#58e510) D 4 (#3f5041) L 11 (#14be32) D 2 (#350111) L 3 (#14be30) D 3 (#5f9dd1) L 3 (#1a6850) D 4 (#7f4d91) R 7 (#067bf0) D 7 (#600cf1) R 2 (#5ff142) U 7 (#10c9f1) R 8 (#63a502) D 7 (#3e29c1) R 6 (#58c402) D 6 (#653be1) R 4 (#66ee92) D 8 (#62d4d3) L 3 (#7532f2) D 3 (#62d4d1) L 4 (#0c8252) D 7 (#438151) L 6 (#63ce50) D 4 (#53bee1) L 3 (#274190) D 5 (#540a93) L 8 (#843930) U 5 (#540a91) L 6 (#38f5f0) U 4 (#5d2bc1) L 3 (#35e8d0) D 4 (#571381) L 2 (#22aed2) D 4 (#51c4d1) L 4 (#22aed0) D 2 (#1a6ca1) L 8 (#141aa0) D 4 (#16f0c1) L 5 (#69f5a0) D 3 (#50b081) L 11 (#4722c2) D 3 (#4cae83) L 2 (#864f82) D 2 (#62b293) L 10 (#083dd2) U 5 (#9863e3) L 6 (#3bfff2) D 2 (#160693) L 3 (#9b2bf2) U 4 (#471371) L 8 (#181952) D 4 (#53e531) L 3 (#292882) D 5 (#190d41) R 7 (#68fbb2) D 4 (#190d43) R 3 (#87a972) U 4 (#53e533) R 7 (#081782) D 6 (#8adf41) R 8 (#532c40) D 4 (#92bed1) R 4 (#5019e0) U 9 (#92bed3) R 5 (#782dc0) D 9 (#68fdd1) R 4 (#1e8a90) D 3 (#22db01) R 7 (#4f5c22) D 7 (#5a9031) R 7 (#4dc440) D 8 (#1adad1) R 2 (#1c5ed0) D 4 (#296441) R 8 (#7e80c0) D 5 (#6ccdd1) L 5 (#5ea2a2) D 4 (#4f7151) L 9 (#654fc2) D 3 (#2d7751) L 6 (#654fc0) D 4 (#3d0d31) L 5 (#3fc180) D 4 (#687ed1) R 5 (#5c6c60) D 3 (#08e123) R 5 (#369da0) D 2 (#5b9343) R 8 (#4a19d2) D 5 (#2fa453) L 6 (#4a19d0) D 9 (#3124e3) L 2 (#369da2) U 9 (#126ea3) L 5 (#47d330) D 3 (#9a27c1) L 5 (#65efc0) D 6 (#3d8471) L 5 (#105740) U 11 (#458fb1) L 3 (#160aa0) U 3 (#1f5a11) L 6 (#2eec42) U 8 (#0936f1) L 2 (#a2bc52) U 12 (#0936f3) L 3 (#197e52) D 8 (#7cff41) L 4 (#0b1b52) D 6 (#38ab61) L 4 (#7a1082) D 5 (#4cc4e1) L 4 (#098560) D 5 (#4cefe1) R 7 (#098562) D 5 (#7e3c91) R 9 (#8210d2) D 3 (#1f5193) L 7 (#4ddcc2) D 6 (#331863) L 2 (#256540) U 6 (#478ea3) L 7 (#064712) D 3 (#61ebe3) L 6 (#064710) D 4 (#1ba8f3) L 4 (#256542) D 5 (#1abc53) L 4 (#4ddcc0) D 6 (#21e323) L 6 (#5a96e2) D 5 (#25a201) L 7 (#376d92) U 5 (#5cd0f1) L 3 (#110232) D 5 (#2c23e1) L 5 (#110230) D 4 (#3d4e61) R 4 (#4f94a2) D 5 (#4a2761) L 4 (#3bf242) D 6 (#1c13d1) L 3 (#788182) D 3 (#2e4db3) L 9 (#152c12) D 2 (#1d6453) L 3 (#251a52) D 3 (#9a5fc3) R 3 (#251a50) D 2 (#466ca3) R 9 (#6be6a2) D 5 (#25a203) L 7 (#318bb2) D 4 (#64d183) L 7 (#78f622) D 2 (#247fd3) L 8 (#78f620) D 3 (#75b6a3) L 2 (#57f542) D 5 (#277e03) L 4 (#773422) D 6 (#92c4a3) R 4 (#773420) D 7 (#3e42a3) L 7 (#800962) U 8 (#3be443) L 3 (#2d3bf2) U 13 (#2dc9b3) L 4 (#8dce92) D 9 (#69adf1) L 2 (#57b742) D 3 (#30bbf3) L 7 (#30f722) D 4 (#85ad43) L 9 (#8246b0) D 4 (#2181f3) L 7 (#796432) D 5 (#087563) L 8 (#3c7b92) D 4 (#8767e3) R 5 (#04a3c0) D 3 (#78ea63) R 8 (#04a3c2) D 3 (#4d8193) L 6 (#b5dfc0) D 2 (#0b8243) L 7 (#804ef0) D 4 (#471af1) L 6 (#14a462) D 8 (#64f7e1) L 7 (#1d1290) U 4 (#6788a1) L 4 (#1d1292) U 9 (#07ed81) L 2 (#14a460) U 3 (#25f601) L 6 (#1f4cb0) U 9 (#41ce71) L 3 (#a1dff0) U 8 (#137563) L 2 (#362e22) U 4 (#6eb543) L 6 (#6cccc2) U 5 (#3f5983) L 6 (#249900) U 4 (#3ef663) L 3 (#0a8c50) U 4 (#5decc3) L 10 (#0a8c52) U 2 (#452b53) L 9 (#249902) U 6 (#2a3c03) R 4 (#89f592) U 3 (#4ba633) R 8 (#2cc4e2) U 4 (#263133) L 9 (#913952) U 2 (#0fe923) L 3 (#059172) U 6 (#7c4313) L 10 (#73f222) U 4 (#5559d3) L 2 (#3cb6b2) U 8 (#2c70f1) L 5 (#5ffb22) D 9 (#0bf671) L 6 (#4d3512) U 9 (#ac5f51) L 4 (#27dc72) U 5 (#ac5f53) L 3 (#490342) U 8 (#0bf673) L 3 (#6fad62) U 8 (#6e2403)`30:T452,linesCrossing = (path, from1, to1, from2, to2) => { let m1 = (path[to1].y - path[from1].y) / (path[to1].x - path[from1].x); let b1 = path[from1].y - m1 * path[from1].x; let m2 = (path[to2].y - path[from2].y) / (path[to2].x - path[from2].x); let b2 = path[from2].y - m2 * path[from2].x; let x = !isFinite(b1) ? path[from1].x : !isFinite(b2) ? path[from2].x : Math.round((b2 - b1) / (m1 - m2)); let y = isFinite(b1) ? Math.round(m1 * x + b1) : isFinite(b2) ? Math.round(m2 * x + b2) : Infinity; return ( ((x > path[from1].x && x < path[to1].x) || (x < path[from1].x && x > path[to1].x) || (!isFinite(m1) && x == path[to1].x)) && ((y > path[from1].y && y < path[to1].y) || (y < path[from1].y && y > path[to1].y) || (m1 == 0 && y == path[to1].y)) && ((x > path[from2].x && x < path[to2].x) || (x < path[from2].x && x > path[to2].x) || (!isFinite(m2) && x == path[to2].x)) && ((y > path[from2].y && y < path[to2].y) || (y < path[from2].y && y > path[to2].y) || (m2 == 0 && y == path[to2].y)) ); }31:T515,{ let path = tri[tri.length - 1]; let from1 = 3; let to1 = (from1 + 1) % path.length; let from2 = 1 - 1; let to2 = (from2 + 2) % path.length; let m1 = (path[to1].y - path[from1].y) / (path[to1].x - path[from1].x); let b1 = path[from1].y - m1 * path[from1].x; let m2 = (path[to2].y - path[from2].y) / (path[to2].x - path[from2].x); let b2 = path[from2].y - m2 * path[from2].x; let x = !isFinite(b1) ? path[from1].x : !isFinite(b2) ? path[from2].x : Math.round((b2 - b1) / (m1 - m2)); let y = isFinite(b2) ? Math.round(m2 * x + b2) : isFinite(b1) ? Math.round(m1 * x + b1) : Infinity; return { m1: m1, b1: b1, m2: m2, b2: b2, x: x, y: y, c1: (x > path[from1].x && x < path[to1].x) || (x < path[from1].x && x > path[to1].x) || (!isFinite(m1) && x == path[to1].x), c3: (y > path[from1].y && y < path[to1].y) || (y < path[from1].y && y > path[to1].y) || (m1 == 0 && y == path[to1].y), c5: (x > path[from2].x && x < path[to2].x) || (x < path[from2].x && x > path[to2].x) || (!isFinite(m2) && x == path[to2].x), c7: (y > path[from2].y && y < path[to2].y) || (y < path[from2].y && y > path[to2].y) || (m2 == 0 && y == path[to2].y) }; }32:[] 2d:{"title":"Day 18 - Lavaduct Lagoon (#2)","cells":[{"id":0,"value":"# Day 18 - [Lavaduct Lagoon](https://adventofcode.com/2023/day/18) (#2)","pinned":false,"hidden":false,"mode":"md"},{"id":5,"value":"inputs0 = `R 6 (#70c710)\nD 5 (#0dc571)\nL 2 (#5713f0)\nD 2 (#d2c081)\nR 2 (#59c680)\nD 2 (#411b91)\nL 5 (#8ceee2)\nU 2 (#caa173)\nL 1 (#1b58a2)\nU 2 (#caa171)\nR 2 (#7807d2)\nU 3 (#a77fa3)\nL 2 (#015232)\nU 2 (#7a21e3)`","pinned":false,"hidden":false,"mode":"ojs"},{"id":7,"value":"$2f","pinned":false,"hidden":false,"mode":"ojs"},{"id":11,"value":"digplan = inputs0.split(\"\\n\").map((line) => ({\n dir: line.split(\" \")[0],\n meters: Number(line.split(\" \")[1]),\n color: line.split(\" \")[2].replace(/[\$\$]+/g, \"\")\n}))","pinned":true,"hidden":false,"mode":"ojs"},{"id":15,"value":"evalDigPath = digplan => {\n let x = 0;\n let y = 0;\n let path = [{ x: x, y: y }];\n for (let dig of digplan) {\n switch (dig.dir) {\n case \"U\":\n y -= dig.meters;\n break;\n case \"D\":\n y += dig.meters;\n break;\n case \"L\":\n x -= dig.meters;\n break;\n case \"R\":\n x += dig.meters;\n break;\n }\n path.push({ x: x, y: y });\n }\n let minx = Math.min(...path.map((p) => p.x));\n let miny = Math.min(...path.map((p) => p.y));\n return path.map((p) => ({ x: p.x - minx, y: p.y - miny }));\n}","pinned":true,"hidden":false,"mode":"ojs"},{"id":152,"value":"digpath = evalDigPath(digplan)","pinned":true,"hidden":false,"mode":"ojs"},{"id":39,"value":"dig = (digpath) => {\n let xMax = 1 + Math.max(...digpath.map((p) => p.x));\n let yMax = 1 + Math.max(...digpath.map((p) => p.y));\n let digged = new Array(yMax)\n .fill(\".\")\n .map((line) => new Array(xMax).fill(\".\"));\n let x = null;\n let y = null;\n for (let p of digpath) {\n if (x == null || y == null) {\n x = p.x;\n y = p.y;\n digged[y][x] = \"#\";\n } else {\n while (x != p.x || y != p.y) {\n x += p.x > x ? 1 : p.x < x ? -1 : 0;\n y += p.y > y ? 1 : p.y < y ? -1 : 0;\n digged[y][x] = \"#\";\n }\n }\n }\n return digged;\n}","pinned":true,"hidden":false,"mode":"ojs"},{"id":162,"value":"digged = dig(digpath)","pinned":true,"hidden":false,"mode":"ojs"},{"id":46,"value":"filled = digged.map((line) =>\n line.map((el, idx, arr) =>\n arr.slice(0, idx).filter((f) => f == \"#\").length > 0 &&\n arr.slice(idx, arr.length).filter((f) => f == \"#\").length > 0\n ? \"#\"\n : el\n )\n)","pinned":true,"hidden":false,"mode":"ojs"},{"id":67,"value":"floodfill = (map, x, y) => {\n let filledMap = map.map((line) => line.map((el) => el));\n let next = [{ x: x, y: y }];\n while (next.length > 0) {\n let current = next.pop();\n filledMap[current.y][current.x] = \"O\";\n if (current.y > 0 && filledMap[current.y - 1][current.x] == \".\") {\n next.push({ x: current.x, y: current.y - 1 });\n }\n if (\n current.y < filledMap.length - 1 &&\n filledMap[current.y + 1][current.x] == \".\"\n ) {\n next.push({ x: current.x, y: current.y + 1 });\n }\n if (current.x > 0 && filledMap[current.y][current.x - 1] == \".\") {\n next.push({ x: current.x - 1, y: current.y });\n }\n if (\n current.x < filledMap[current.y].length - 1 &&\n filledMap[current.y][current.x + 1] == \".\"\n ) {\n next.push({ x: current.x + 1, y: current.y });\n }\n }\n return filledMap;\n}","pinned":true,"hidden":false,"mode":"ojs"},{"id":71,"value":"fillFromOutside = (digmap) => {\n let outside = digmap.map((line) => line.map((el) => el));\n for (let x = 0; x < digmap[0].length; x++) {\n if (outside[0][x] == \".\") {\n outside = floodfill(outside, x, 0);\n }\n if (outside[digmap.length - 1][x] == \".\") {\n outside = floodfill(outside, x, digmap.length - 1);\n }\n }\n for (let y = 0; y < digmap.length; y++) {\n if (outside[y][0] == \".\") {\n outside = floodfill(outside, 0, y);\n }\n if (outside[y][digmap[0].length - 1] == \".\") {\n outside = floodfill(outside, digmap[0].length - 1, y);\n }\n }\n return outside;\n}","pinned":true,"hidden":false,"mode":"ojs"},{"id":116,"value":"outsideMap = fillFromOutside(digged)","pinned":true,"hidden":false,"mode":"ojs"},{"id":119,"value":"insideMap = outsideMap.map((line, y) =>\n line.map((el, x) => (el == \"O\" ? \".\" : \"#\"))\n)","pinned":true,"hidden":false,"mode":"ojs"},{"id":49,"value":"result1 = insideMap.flat().filter((el) => el == \"#\").length","pinned":true,"hidden":false,"mode":"ojs"},{"id":77,"value":"plotResult = (map) =>\n html`

${map\n    .map((line) => line.join(\"\"))\n    .join(\"
\")}

`","pinned":true,"hidden":false,"mode":"ojs"},{"id":94,"value":"plotResult(outsideMap)","pinned":true,"hidden":false,"mode":"ojs"},{"id":122,"value":"plotResult(insideMap)","pinned":true,"hidden":false,"mode":"ojs"},{"id":103,"value":"plotResult(digged)","pinned":true,"hidden":false,"mode":"ojs"},{"id":130,"value":"## Part 2","pinned":false,"hidden":false,"mode":"md"},{"id":132,"value":"fixedDigplan = digplan.map((dig) => ({\n ...dig,\n dir: [\"R\", \"D\", \"L\", \"U\"][dig.color.substring(dig.color.length - 1)],\n meters: parseInt(dig.color.substring(1, dig.color.length - 1), 16)\n}))","pinned":true,"hidden":false,"mode":"ojs"},{"id":141,"value":"fixedDigpath = evalDigPath(fixedDigplan)","pinned":true,"hidden":false,"mode":"ojs"},{"id":164,"value":"//fixedDigged = dig(fixedDigpath)","pinned":true,"hidden":false,"mode":"ojs"},{"id":179,"value":"isInside = (path, x, y) => {\n if (\n path.filter(\n (p, idx, arr) =>\n idx > 0 &&\n ((p.x <= x && arr[idx - 1].x >= x && p.y <= y && arr[idx - 1].y >= y) ||\n (p.x >= x && arr[idx - 1].x <= x && p.y >= y && arr[idx - 1].y <= y))\n ).length > 0\n ) {\n return true;\n }\n return (\n Math.abs(\n path\n .map((p) => (180 / Math.PI) * Math.atan2(p.y - y, p.x - x))\n .map((el, idx, arr) =>\n idx > 0 ? arr[idx - 1] - el : arr[arr.length - 1] - el\n )\n .map((el) => (el > 180 ? el - 360 : el <= -180 ? el + 360 : el))\n .reduce((sum, el) => sum + el, 0)\n ) > 90\n );\n}","pinned":true,"hidden":false,"mode":"ojs"},{"id":183,"value":"function* countInside(digpath) {\n let cnt = 0;\n let checked = 0;\n let xMax = Math.max(...digpath.map((p) => p.x));\n let yMax = Math.max(...digpath.map((p) => p.y));\n\n for (let y = 0; y <= yMax; y++) {\n //let xvalues = digpath.filter((p) => p.y == y).map((p) => p.x);\n //for (let x = Math.min(...xvalues); x <= Math.max(...xvalues); x++) {\n for (let x = 0; x <= xMax; x++) {\n cnt += isInside(digpath, x, y) ? 1 : 0;\n checked++;\n if (checked % 100000 == 0) {\n yield [y / yMax, checked, cnt];\n }\n }\n }\n yield [1, checked, cnt];\n}","pinned":true,"hidden":false,"mode":"ojs"},{"id":257,"value":"//result2 = countInside(fixedDigpath)","pinned":true,"hidden":false,"mode":"ojs"},{"id":332,"value":"pathAngle = (path, idx) =>\n (((Math.atan2(\n path[idx].y - path[(idx + path.length - 1) % path.length].y,\n path[idx].x - path[(idx + path.length - 1) % path.length].x\n ) -\n Math.atan2(\n path[idx].y - path[(idx + 1) % path.length].y,\n path[idx].x - path[(idx + 1) % path.length].x\n )) *\n 180) /\n Math.PI +\n 360) %\n 360","pinned":true,"hidden":false,"mode":"ojs"},{"id":468,"value":"$30","pinned":true,"hidden":false,"mode":"ojs"},{"id":494,"value":"pathCrossing = (path, idx) =>\n path.filter(\n (_, i) =>\n !(\n i == (idx + path.length - 1) % path.length ||\n i == idx ||\n i == (idx + 1) % path.length\n ) &&\n linesCrossing(\n path,\n i,\n (i + 1) % path.length,\n (idx + path.length - 1) % path.length,\n (idx + 1) % path.length\n )\n ) //.length > 0","pinned":true,"hidden":false,"mode":"ojs"},{"id":313,"value":"digpath.map((p, idx, arr) => pathAngle(arr, idx))","pinned":true,"hidden":false,"mode":"ojs"},{"id":316,"value":"triangles = (path) => {\n let triangles = [];\n let newPath = path.map((el) => Object.assign({}, el));\n let validAngle = newPath.pop();\n while (triangles.length < 10 && validAngle && newPath.length > 3) {\n let validAngles = newPath\n .map((p, idx, arr) => ({ idx: idx, angle: pathAngle(arr, idx) }))\n .filter((p) => p.angle < 180)\n .sort((a, b) => Math.abs(60 - a.angle) - Math.abs(60 - b.angle));\n validAngle = validAngles.find(\n (va) =>\n pathCrossing(newPath, va.idx).length == 0 && noneInside(newPath, va.idx)\n );\n if (validAngle) {\n triangles.push([\n newPath[(validAngle.idx + newPath.length - 1) % newPath.length],\n newPath[validAngle.idx],\n newPath[(validAngle.idx + 1) % newPath.length]\n ]);\n newPath.splice(validAngle.idx, 1);\n }\n }\n triangles.push([...newPath]);\n return triangles;\n}","pinned":true,"hidden":false,"mode":"ojs"},{"id":330,"value":"tri = triangles(fixedDigpath)","pinned":true,"hidden":false,"mode":"ojs"},{"id":948,"value":"noneInside = (path, idx) => {\n let tri = [\n path[(idx + path.length - 1) % path.length],\n path[idx],\n path[(idx + 1) % path.length]\n ];\n return (\n path.filter(\n (p, i) =>\n i != (idx + path.length - 1) % path.length &&\n i != idx &&\n i != (idx + 1) % path.length &&\n !isInside(tri, p.x, p.y)\n ).length == 0\n );\n}","pinned":true,"hidden":false,"mode":"ojs"},{"id":956,"value":"noneInside(tri[tri.length - 1], 0)\n/*\n \n)\n*/","pinned":true,"hidden":false,"mode":"ojs"},{"id":966,"value":"isInside(\n [\n tri[tri.length - 1][tri[tri.length - 1].length - 1],\n tri[tri.length - 1][0],\n tri[tri.length - 1][1]\n ],\n 0,\n 0\n)","pinned":true,"hidden":false,"mode":"ojs"},{"id":412,"value":"Plot.plot({\n marginLeft: 80,\n //x: { domain: [200, 300] },\n //y: { domain: [80, 130] },\n marks: [\n Plot.ruleY([0]),\n Plot.line(\n tri.reduce(\n (flat, t) => flat.concat([...t.map((t, i) => ({ ...t, i: i }))]),\n []\n ),\n { x: \"x\", y: \"y\" }\n )\n ]\n})","pinned":true,"hidden":false,"mode":"ojs"},{"id":1010,"value":"tri.reduce((flat, t) => flat.concat([...t.map((t, i) => ({ ...t, i: i }))]), [])","pinned":true,"hidden":false,"mode":"ojs"},{"id":976,"value":"Plot.plot({\n marginLeft: 80,\n marks: [Plot.ruleY([0]), Plot.line(fixedDigpath, { x: \"x\", y: \"y\" })]\n})","pinned":true,"hidden":false,"mode":"ojs"},{"id":599,"value":"linesCrossing(\n tri[tri.length - 1],\n 8,\n 8 + 1,\n tri[tri.length - 1].length - 1,\n 0 + 1\n)","pinned":true,"hidden":false,"mode":"ojs"},{"id":591,"value":"$31","pinned":true,"hidden":false,"mode":"ojs"},{"id":605,"value":"tri[tri.length - 1][1]","pinned":true,"hidden":false,"mode":"ojs"},{"id":926,"value":"tri[tri.length - 1][3]","pinned":true,"hidden":false,"mode":"ojs"},{"id":630,"value":"[tri[tri.length - 1][281], tri[tri.length - 1][282], tri[tri.length - 1][283]]","pinned":true,"hidden":false,"mode":"ojs"},{"id":612,"value":"tri[tri.length - 1]","pinned":true,"hidden":false,"mode":"ojs"},{"id":475,"value":"tri[tri.length - 1].map((p, idx, arr) => pathCrossing(arr, idx))","pinned":true,"hidden":false,"mode":"ojs"},{"id":551,"value":"tri[tri.length - 1].map((p, idx, arr) => pathAngle(arr, idx))","pinned":true,"hidden":false,"mode":"ojs"},{"id":349,"value":"//dig(tri[tri.length - 1])","pinned":true,"hidden":false,"mode":"ojs"},{"id":396,"value":"tri[tri.length - 1].map((p, idx, arr) => pathAngle(arr, idx))","pinned":true,"hidden":false,"mode":"ojs"},{"id":797,"value":"va = tri[tri.length - 1]\n .map((p, idx, arr) => ({ idx: idx, angle: pathAngle(arr, idx) }))\n .filter((p) => p.angle < 180)\n .sort((a, b) => Math.abs(60 - a.angle) - Math.abs(60 - b.angle))\n//.find((va) => !pathCrossing(tri[tri.length - 1], va.idx))","pinned":true,"hidden":false,"mode":"ojs"},{"id":587,"value":"pathCrossing(tri[tri.length - 1], 1)","pinned":true,"hidden":false,"mode":"ojs"}],"files":"$W32","stdlib":"1","titling":"auto"}