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MarchingCubes.js 34 KB

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  1. /**
  2. * @author alteredq / http://alteredqualia.com/
  3. *
  4. * Port of greggman's ThreeD version of marching cubes to Three.js
  5. * http://webglsamples.googlecode.com/hg/blob/blob.html
  6. */
  7. THREE.MarchingCubes = function ( resolution, material, enableUvs, enableColors ) {
  8. THREE.ImmediateRenderObject.call( this, material );
  9. this.enableUvs = enableUvs !== undefined ? enableUvs : false;
  10. this.enableColors = enableColors !== undefined ? enableColors : false;
  11. // functions have to be object properties
  12. // prototype functions kill performance
  13. // (tested and it was 4x slower !!!)
  14. this.init = function ( resolution ) {
  15. this.resolution = resolution;
  16. // parameters
  17. this.isolation = 80.0;
  18. // size of field, 32 is pushing it in Javascript :)
  19. this.size = resolution;
  20. this.size2 = this.size * this.size;
  21. this.size3 = this.size2 * this.size;
  22. this.halfsize = this.size / 2.0;
  23. // deltas
  24. this.delta = 2.0 / this.size;
  25. this.yd = this.size;
  26. this.zd = this.size2;
  27. this.field = new Float32Array( this.size3 );
  28. this.normal_cache = new Float32Array( this.size3 * 3 );
  29. // temp buffers used in polygonize
  30. this.vlist = new Float32Array( 12 * 3 );
  31. this.nlist = new Float32Array( 12 * 3 );
  32. // immediate render mode simulator
  33. this.maxCount = 4096; // TODO: find the fastest size for this buffer
  34. this.count = 0;
  35. this.hasPositions = false;
  36. this.hasNormals = false;
  37. this.hasColors = false;
  38. this.hasUvs = false;
  39. this.positionArray = new Float32Array( this.maxCount * 3 );
  40. this.normalArray = new Float32Array( this.maxCount * 3 );
  41. if ( this.enableUvs ) {
  42. this.uvArray = new Float32Array( this.maxCount * 2 );
  43. }
  44. if ( this.enableColors ) {
  45. this.colorArray = new Float32Array( this.maxCount * 3 );
  46. }
  47. };
  48. ///////////////////////
  49. // Polygonization
  50. ///////////////////////
  51. this.lerp = function( a, b, t ) {
  52. return a + ( b - a ) * t;
  53. };
  54. this.VIntX = function( q, pout, nout, offset, isol, x, y, z, valp1, valp2 ) {
  55. var mu = ( isol - valp1 ) / ( valp2 - valp1 ),
  56. nc = this.normal_cache;
  57. pout[ offset ] = x + mu * this.delta;
  58. pout[ offset + 1 ] = y;
  59. pout[ offset + 2 ] = z;
  60. nout[ offset ] = this.lerp( nc[ q ], nc[ q + 3 ], mu );
  61. nout[ offset + 1 ] = this.lerp( nc[ q + 1 ], nc[ q + 4 ], mu );
  62. nout[ offset + 2 ] = this.lerp( nc[ q + 2 ], nc[ q + 5 ], mu );
  63. };
  64. this.VIntY = function( q, pout, nout, offset, isol, x, y, z, valp1, valp2 ) {
  65. var mu = ( isol - valp1 ) / ( valp2 - valp1 ),
  66. nc = this.normal_cache;
  67. pout[ offset ] = x;
  68. pout[ offset + 1 ] = y + mu * this.delta;
  69. pout[ offset + 2 ] = z;
  70. var q2 = q + this.yd * 3;
  71. nout[ offset ] = this.lerp( nc[ q ], nc[ q2 ], mu );
  72. nout[ offset + 1 ] = this.lerp( nc[ q + 1 ], nc[ q2 + 1 ], mu );
  73. nout[ offset + 2 ] = this.lerp( nc[ q + 2 ], nc[ q2 + 2 ], mu );
  74. };
  75. this.VIntZ = function( q, pout, nout, offset, isol, x, y, z, valp1, valp2 ) {
  76. var mu = ( isol - valp1 ) / ( valp2 - valp1 ),
  77. nc = this.normal_cache;
  78. pout[ offset ] = x;
  79. pout[ offset + 1 ] = y;
  80. pout[ offset + 2 ] = z + mu * this.delta;
  81. var q2 = q + this.zd * 3;
  82. nout[ offset ] = this.lerp( nc[ q ], nc[ q2 ], mu );
  83. nout[ offset + 1 ] = this.lerp( nc[ q + 1 ], nc[ q2 + 1 ], mu );
  84. nout[ offset + 2 ] = this.lerp( nc[ q + 2 ], nc[ q2 + 2 ], mu );
  85. };
  86. this.compNorm = function( q ) {
  87. var q3 = q * 3;
  88. if ( this.normal_cache[ q3 ] === 0.0 ) {
  89. this.normal_cache[ q3 ] = this.field[ q - 1 ] - this.field[ q + 1 ];
  90. this.normal_cache[ q3 + 1 ] = this.field[ q - this.yd ] - this.field[ q + this.yd ];
  91. this.normal_cache[ q3 + 2 ] = this.field[ q - this.zd ] - this.field[ q + this.zd ];
  92. }
  93. };
  94. // Returns total number of triangles. Fills triangles.
  95. // (this is where most of time is spent - it's inner work of O(n3) loop )
  96. this.polygonize = function( fx, fy, fz, q, isol, renderCallback ) {
  97. // cache indices
  98. var q1 = q + 1,
  99. qy = q + this.yd,
  100. qz = q + this.zd,
  101. q1y = q1 + this.yd,
  102. q1z = q1 + this.zd,
  103. qyz = q + this.yd + this.zd,
  104. q1yz = q1 + this.yd + this.zd;
  105. var cubeindex = 0,
  106. field0 = this.field[ q ],
  107. field1 = this.field[ q1 ],
  108. field2 = this.field[ qy ],
  109. field3 = this.field[ q1y ],
  110. field4 = this.field[ qz ],
  111. field5 = this.field[ q1z ],
  112. field6 = this.field[ qyz ],
  113. field7 = this.field[ q1yz ];
  114. if ( field0 < isol ) cubeindex |= 1;
  115. if ( field1 < isol ) cubeindex |= 2;
  116. if ( field2 < isol ) cubeindex |= 8;
  117. if ( field3 < isol ) cubeindex |= 4;
  118. if ( field4 < isol ) cubeindex |= 16;
  119. if ( field5 < isol ) cubeindex |= 32;
  120. if ( field6 < isol ) cubeindex |= 128;
  121. if ( field7 < isol ) cubeindex |= 64;
  122. // if cube is entirely in/out of the surface - bail, nothing to draw
  123. var bits = THREE.edgeTable[ cubeindex ];
  124. if ( bits === 0 ) return 0;
  125. var d = this.delta,
  126. fx2 = fx + d,
  127. fy2 = fy + d,
  128. fz2 = fz + d;
  129. // top of the cube
  130. if ( bits & 1 ) {
  131. this.compNorm( q );
  132. this.compNorm( q1 );
  133. this.VIntX( q * 3, this.vlist, this.nlist, 0, isol, fx, fy, fz, field0, field1 );
  134. }
  135. if ( bits & 2 ) {
  136. this.compNorm( q1 );
  137. this.compNorm( q1y );
  138. this.VIntY( q1 * 3, this.vlist, this.nlist, 3, isol, fx2, fy, fz, field1, field3 );
  139. }
  140. if ( bits & 4 ) {
  141. this.compNorm( qy );
  142. this.compNorm( q1y );
  143. this.VIntX( qy * 3, this.vlist, this.nlist, 6, isol, fx, fy2, fz, field2, field3 );
  144. }
  145. if ( bits & 8 ) {
  146. this.compNorm( q );
  147. this.compNorm( qy );
  148. this.VIntY( q * 3, this.vlist, this.nlist, 9, isol, fx, fy, fz, field0, field2 );
  149. }
  150. // bottom of the cube
  151. if ( bits & 16 ) {
  152. this.compNorm( qz );
  153. this.compNorm( q1z );
  154. this.VIntX( qz * 3, this.vlist, this.nlist, 12, isol, fx, fy, fz2, field4, field5 );
  155. }
  156. if ( bits & 32 ) {
  157. this.compNorm( q1z );
  158. this.compNorm( q1yz );
  159. this.VIntY( q1z * 3, this.vlist, this.nlist, 15, isol, fx2, fy, fz2, field5, field7 );
  160. }
  161. if ( bits & 64 ) {
  162. this.compNorm( qyz );
  163. this.compNorm( q1yz );
  164. this.VIntX( qyz * 3, this.vlist, this.nlist, 18, isol, fx, fy2, fz2, field6, field7 );
  165. }
  166. if ( bits & 128 ) {
  167. this.compNorm( qz );
  168. this.compNorm( qyz );
  169. this.VIntY( qz * 3, this.vlist, this.nlist, 21, isol, fx, fy, fz2, field4, field6 );
  170. }
  171. // vertical lines of the cube
  172. if ( bits & 256 ) {
  173. this.compNorm( q );
  174. this.compNorm( qz );
  175. this.VIntZ( q * 3, this.vlist, this.nlist, 24, isol, fx, fy, fz, field0, field4 );
  176. }
  177. if ( bits & 512 ) {
  178. this.compNorm( q1 );
  179. this.compNorm( q1z );
  180. this.VIntZ( q1 * 3, this.vlist, this.nlist, 27, isol, fx2, fy, fz, field1, field5 );
  181. }
  182. if ( bits & 1024 ) {
  183. this.compNorm( q1y );
  184. this.compNorm( q1yz );
  185. this.VIntZ( q1y * 3, this.vlist, this.nlist, 30, isol, fx2, fy2, fz, field3, field7 );
  186. }
  187. if ( bits & 2048 ) {
  188. this.compNorm( qy );
  189. this.compNorm( qyz );
  190. this.VIntZ( qy * 3, this.vlist, this.nlist, 33, isol, fx, fy2, fz, field2, field6 );
  191. }
  192. cubeindex <<= 4; // re-purpose cubeindex into an offset into triTable
  193. var o1, o2, o3, numtris = 0, i = 0;
  194. // here is where triangles are created
  195. while ( THREE.triTable[ cubeindex + i ] != - 1 ) {
  196. o1 = cubeindex + i;
  197. o2 = o1 + 1;
  198. o3 = o1 + 2;
  199. this.posnormtriv( this.vlist, this.nlist,
  200. 3 * THREE.triTable[ o1 ],
  201. 3 * THREE.triTable[ o2 ],
  202. 3 * THREE.triTable[ o3 ],
  203. renderCallback );
  204. i += 3;
  205. numtris ++;
  206. }
  207. return numtris;
  208. };
  209. /////////////////////////////////////
  210. // Immediate render mode simulator
  211. /////////////////////////////////////
  212. this.posnormtriv = function( pos, norm, o1, o2, o3, renderCallback ) {
  213. var c = this.count * 3;
  214. // positions
  215. this.positionArray[ c ] = pos[ o1 ];
  216. this.positionArray[ c + 1 ] = pos[ o1 + 1 ];
  217. this.positionArray[ c + 2 ] = pos[ o1 + 2 ];
  218. this.positionArray[ c + 3 ] = pos[ o2 ];
  219. this.positionArray[ c + 4 ] = pos[ o2 + 1 ];
  220. this.positionArray[ c + 5 ] = pos[ o2 + 2 ];
  221. this.positionArray[ c + 6 ] = pos[ o3 ];
  222. this.positionArray[ c + 7 ] = pos[ o3 + 1 ];
  223. this.positionArray[ c + 8 ] = pos[ o3 + 2 ];
  224. // normals
  225. this.normalArray[ c ] = norm[ o1 ];
  226. this.normalArray[ c + 1 ] = norm[ o1 + 1 ];
  227. this.normalArray[ c + 2 ] = norm[ o1 + 2 ];
  228. this.normalArray[ c + 3 ] = norm[ o2 ];
  229. this.normalArray[ c + 4 ] = norm[ o2 + 1 ];
  230. this.normalArray[ c + 5 ] = norm[ o2 + 2 ];
  231. this.normalArray[ c + 6 ] = norm[ o3 ];
  232. this.normalArray[ c + 7 ] = norm[ o3 + 1 ];
  233. this.normalArray[ c + 8 ] = norm[ o3 + 2 ];
  234. // uvs
  235. if ( this.enableUvs ) {
  236. var d = this.count * 2;
  237. this.uvArray[ d ] = pos[ o1 ];
  238. this.uvArray[ d + 1 ] = pos[ o1 + 2 ];
  239. this.uvArray[ d + 2 ] = pos[ o2 ];
  240. this.uvArray[ d + 3 ] = pos[ o2 + 2 ];
  241. this.uvArray[ d + 4 ] = pos[ o3 ];
  242. this.uvArray[ d + 5 ] = pos[ o3 + 2 ];
  243. }
  244. // colors
  245. if ( this.enableColors ) {
  246. this.colorArray[ c ] = pos[ o1 ];
  247. this.colorArray[ c + 1 ] = pos[ o1 + 1 ];
  248. this.colorArray[ c + 2 ] = pos[ o1 + 2 ];
  249. this.colorArray[ c + 3 ] = pos[ o2 ];
  250. this.colorArray[ c + 4 ] = pos[ o2 + 1 ];
  251. this.colorArray[ c + 5 ] = pos[ o2 + 2 ];
  252. this.colorArray[ c + 6 ] = pos[ o3 ];
  253. this.colorArray[ c + 7 ] = pos[ o3 + 1 ];
  254. this.colorArray[ c + 8 ] = pos[ o3 + 2 ];
  255. }
  256. this.count += 3;
  257. if ( this.count >= this.maxCount - 3 ) {
  258. this.hasPositions = true;
  259. this.hasNormals = true;
  260. if ( this.enableUvs ) {
  261. this.hasUvs = true;
  262. }
  263. if ( this.enableColors ) {
  264. this.hasColors = true;
  265. }
  266. renderCallback( this );
  267. }
  268. };
  269. this.begin = function( ) {
  270. this.count = 0;
  271. this.hasPositions = false;
  272. this.hasNormals = false;
  273. this.hasUvs = false;
  274. this.hasColors = false;
  275. };
  276. this.end = function( renderCallback ) {
  277. if ( this.count === 0 ) return;
  278. for ( var i = this.count * 3; i < this.positionArray.length; i ++ ) {
  279. this.positionArray[ i ] = 0.0;
  280. }
  281. this.hasPositions = true;
  282. this.hasNormals = true;
  283. if ( this.enableUvs ) {
  284. this.hasUvs = true;
  285. }
  286. if ( this.enableColors ) {
  287. this.hasColors = true;
  288. }
  289. renderCallback( this );
  290. };
  291. /////////////////////////////////////
  292. // Metaballs
  293. /////////////////////////////////////
  294. // Adds a reciprocal ball (nice and blobby) that, to be fast, fades to zero after
  295. // a fixed distance, determined by strength and subtract.
  296. this.addBall = function( ballx, bally, ballz, strength, subtract ) {
  297. // Let's solve the equation to find the radius:
  298. // 1.0 / (0.000001 + radius^2) * strength - subtract = 0
  299. // strength / (radius^2) = subtract
  300. // strength = subtract * radius^2
  301. // radius^2 = strength / subtract
  302. // radius = sqrt(strength / subtract)
  303. var radius = this.size * Math.sqrt( strength / subtract ),
  304. zs = ballz * this.size,
  305. ys = bally * this.size,
  306. xs = ballx * this.size;
  307. var min_z = Math.floor( zs - radius ); if ( min_z < 1 ) min_z = 1;
  308. var max_z = Math.floor( zs + radius ); if ( max_z > this.size - 1 ) max_z = this.size - 1;
  309. var min_y = Math.floor( ys - radius ); if ( min_y < 1 ) min_y = 1;
  310. var max_y = Math.floor( ys + radius ); if ( max_y > this.size - 1 ) max_y = this.size - 1;
  311. var min_x = Math.floor( xs - radius ); if ( min_x < 1 ) min_x = 1;
  312. var max_x = Math.floor( xs + radius ); if ( max_x > this.size - 1 ) max_x = this.size - 1;
  313. // Don't polygonize in the outer layer because normals aren't
  314. // well-defined there.
  315. var x, y, z, y_offset, z_offset, fx, fy, fz, fz2, fy2, val;
  316. for ( z = min_z; z < max_z; z ++ ) {
  317. z_offset = this.size2 * z,
  318. fz = z / this.size - ballz,
  319. fz2 = fz * fz;
  320. for ( y = min_y; y < max_y; y ++ ) {
  321. y_offset = z_offset + this.size * y;
  322. fy = y / this.size - bally;
  323. fy2 = fy * fy;
  324. for ( x = min_x; x < max_x; x ++ ) {
  325. fx = x / this.size - ballx;
  326. val = strength / ( 0.000001 + fx * fx + fy2 + fz2 ) - subtract;
  327. if ( val > 0.0 ) this.field[ y_offset + x ] += val;
  328. }
  329. }
  330. }
  331. };
  332. this.addPlaneX = function( strength, subtract ) {
  333. var x, y, z, xx, val, xdiv, cxy,
  334. // cache attribute lookups
  335. size = this.size,
  336. yd = this.yd,
  337. zd = this.zd,
  338. field = this.field,
  339. dist = size * Math.sqrt( strength / subtract );
  340. if ( dist > size ) dist = size;
  341. for ( x = 0; x < dist; x ++ ) {
  342. xdiv = x / size;
  343. xx = xdiv * xdiv;
  344. val = strength / ( 0.0001 + xx ) - subtract;
  345. if ( val > 0.0 ) {
  346. for ( y = 0; y < size; y ++ ) {
  347. cxy = x + y * yd;
  348. for ( z = 0; z < size; z ++ ) {
  349. field[ zd * z + cxy ] += val;
  350. }
  351. }
  352. }
  353. }
  354. };
  355. this.addPlaneY = function( strength, subtract ) {
  356. var x, y, z, yy, val, ydiv, cy, cxy,
  357. // cache attribute lookups
  358. size = this.size,
  359. yd = this.yd,
  360. zd = this.zd,
  361. field = this.field,
  362. dist = size * Math.sqrt( strength / subtract );
  363. if ( dist > size ) dist = size;
  364. for ( y = 0; y < dist; y ++ ) {
  365. ydiv = y / size;
  366. yy = ydiv * ydiv;
  367. val = strength / ( 0.0001 + yy ) - subtract;
  368. if ( val > 0.0 ) {
  369. cy = y * yd;
  370. for ( x = 0; x < size; x ++ ) {
  371. cxy = cy + x;
  372. for ( z = 0; z < size; z ++ )
  373. field[ zd * z + cxy ] += val;
  374. }
  375. }
  376. }
  377. };
  378. this.addPlaneZ = function( strength, subtract ) {
  379. var x, y, z, zz, val, zdiv, cz, cyz,
  380. // cache attribute lookups
  381. size = this.size,
  382. yd = this.yd,
  383. zd = this.zd,
  384. field = this.field,
  385. dist = size * Math.sqrt( strength / subtract );
  386. if ( dist > size ) dist = size;
  387. for ( z = 0; z < dist; z ++ ) {
  388. zdiv = z / size;
  389. zz = zdiv * zdiv;
  390. val = strength / ( 0.0001 + zz ) - subtract;
  391. if ( val > 0.0 ) {
  392. cz = zd * z;
  393. for ( y = 0; y < size; y ++ ) {
  394. cyz = cz + y * yd;
  395. for ( x = 0; x < size; x ++ )
  396. field[ cyz + x ] += val;
  397. }
  398. }
  399. }
  400. };
  401. /////////////////////////////////////
  402. // Updates
  403. /////////////////////////////////////
  404. this.reset = function () {
  405. var i;
  406. // wipe the normal cache
  407. for ( i = 0; i < this.size3; i ++ ) {
  408. this.normal_cache[ i * 3 ] = 0.0;
  409. this.field[ i ] = 0.0;
  410. }
  411. };
  412. this.render = function ( renderCallback ) {
  413. this.begin();
  414. // Triangulate. Yeah, this is slow.
  415. var smin2 = this.size - 2;
  416. for ( var z = 1; z < smin2; z ++ ) {
  417. var z_offset = this.size2 * z;
  418. var fz = ( z - this.halfsize ) / this.halfsize; //+ 1
  419. for ( var y = 1; y < smin2; y ++ ) {
  420. var y_offset = z_offset + this.size * y;
  421. var fy = ( y - this.halfsize ) / this.halfsize; //+ 1
  422. for ( var x = 1; x < smin2; x ++ ) {
  423. var fx = ( x - this.halfsize ) / this.halfsize; //+ 1
  424. var q = y_offset + x;
  425. this.polygonize( fx, fy, fz, q, this.isolation, renderCallback );
  426. }
  427. }
  428. }
  429. this.end( renderCallback );
  430. };
  431. this.generateGeometry = function() {
  432. var start = 0, geo = new THREE.Geometry();
  433. var normals = [];
  434. var geo_callback = function( object ) {
  435. var i, x, y, z, vertex, normal,
  436. face, a, b, c, na, nb, nc, nfaces;
  437. for ( i = 0; i < object.count; i ++ ) {
  438. a = i * 3;
  439. b = a + 1;
  440. c = a + 2;
  441. x = object.positionArray[ a ];
  442. y = object.positionArray[ b ];
  443. z = object.positionArray[ c ];
  444. vertex = new THREE.Vector3( x, y, z );
  445. x = object.normalArray[ a ];
  446. y = object.normalArray[ b ];
  447. z = object.normalArray[ c ];
  448. normal = new THREE.Vector3( x, y, z );
  449. normal.normalize();
  450. geo.vertices.push( vertex );
  451. normals.push( normal );
  452. }
  453. nfaces = object.count / 3;
  454. for ( i = 0; i < nfaces; i ++ ) {
  455. a = ( start + i ) * 3;
  456. b = a + 1;
  457. c = a + 2;
  458. na = normals[ a ];
  459. nb = normals[ b ];
  460. nc = normals[ c ];
  461. face = new THREE.Face3( a, b, c, [ na, nb, nc ] );
  462. geo.faces.push( face );
  463. }
  464. start += nfaces;
  465. object.count = 0;
  466. };
  467. this.render( geo_callback );
  468. // console.log( "generated " + geo.faces.length + " triangles" );
  469. return geo;
  470. };
  471. this.init( resolution );
  472. };
  473. THREE.MarchingCubes.prototype = Object.create( THREE.ImmediateRenderObject.prototype );
  474. THREE.MarchingCubes.prototype.constructor = THREE.MarchingCubes;
  475. /////////////////////////////////////
  476. // Marching cubes lookup tables
  477. /////////////////////////////////////
  478. // These tables are straight from Paul Bourke's page:
  479. // http://local.wasp.uwa.edu.au/~pbourke/geometry/polygonise/
  480. // who in turn got them from Cory Gene Bloyd.
  481. THREE.edgeTable = new Int32Array( [
  482. 0x0, 0x109, 0x203, 0x30a, 0x406, 0x50f, 0x605, 0x70c,
  483. 0x80c, 0x905, 0xa0f, 0xb06, 0xc0a, 0xd03, 0xe09, 0xf00,
  484. 0x190, 0x99, 0x393, 0x29a, 0x596, 0x49f, 0x795, 0x69c,
  485. 0x99c, 0x895, 0xb9f, 0xa96, 0xd9a, 0xc93, 0xf99, 0xe90,
  486. 0x230, 0x339, 0x33, 0x13a, 0x636, 0x73f, 0x435, 0x53c,
  487. 0xa3c, 0xb35, 0x83f, 0x936, 0xe3a, 0xf33, 0xc39, 0xd30,
  488. 0x3a0, 0x2a9, 0x1a3, 0xaa, 0x7a6, 0x6af, 0x5a5, 0x4ac,
  489. 0xbac, 0xaa5, 0x9af, 0x8a6, 0xfaa, 0xea3, 0xda9, 0xca0,
  490. 0x460, 0x569, 0x663, 0x76a, 0x66, 0x16f, 0x265, 0x36c,
  491. 0xc6c, 0xd65, 0xe6f, 0xf66, 0x86a, 0x963, 0xa69, 0xb60,
  492. 0x5f0, 0x4f9, 0x7f3, 0x6fa, 0x1f6, 0xff, 0x3f5, 0x2fc,
  493. 0xdfc, 0xcf5, 0xfff, 0xef6, 0x9fa, 0x8f3, 0xbf9, 0xaf0,
  494. 0x650, 0x759, 0x453, 0x55a, 0x256, 0x35f, 0x55, 0x15c,
  495. 0xe5c, 0xf55, 0xc5f, 0xd56, 0xa5a, 0xb53, 0x859, 0x950,
  496. 0x7c0, 0x6c9, 0x5c3, 0x4ca, 0x3c6, 0x2cf, 0x1c5, 0xcc,
  497. 0xfcc, 0xec5, 0xdcf, 0xcc6, 0xbca, 0xac3, 0x9c9, 0x8c0,
  498. 0x8c0, 0x9c9, 0xac3, 0xbca, 0xcc6, 0xdcf, 0xec5, 0xfcc,
  499. 0xcc, 0x1c5, 0x2cf, 0x3c6, 0x4ca, 0x5c3, 0x6c9, 0x7c0,
  500. 0x950, 0x859, 0xb53, 0xa5a, 0xd56, 0xc5f, 0xf55, 0xe5c,
  501. 0x15c, 0x55, 0x35f, 0x256, 0x55a, 0x453, 0x759, 0x650,
  502. 0xaf0, 0xbf9, 0x8f3, 0x9fa, 0xef6, 0xfff, 0xcf5, 0xdfc,
  503. 0x2fc, 0x3f5, 0xff, 0x1f6, 0x6fa, 0x7f3, 0x4f9, 0x5f0,
  504. 0xb60, 0xa69, 0x963, 0x86a, 0xf66, 0xe6f, 0xd65, 0xc6c,
  505. 0x36c, 0x265, 0x16f, 0x66, 0x76a, 0x663, 0x569, 0x460,
  506. 0xca0, 0xda9, 0xea3, 0xfaa, 0x8a6, 0x9af, 0xaa5, 0xbac,
  507. 0x4ac, 0x5a5, 0x6af, 0x7a6, 0xaa, 0x1a3, 0x2a9, 0x3a0,
  508. 0xd30, 0xc39, 0xf33, 0xe3a, 0x936, 0x83f, 0xb35, 0xa3c,
  509. 0x53c, 0x435, 0x73f, 0x636, 0x13a, 0x33, 0x339, 0x230,
  510. 0xe90, 0xf99, 0xc93, 0xd9a, 0xa96, 0xb9f, 0x895, 0x99c,
  511. 0x69c, 0x795, 0x49f, 0x596, 0x29a, 0x393, 0x99, 0x190,
  512. 0xf00, 0xe09, 0xd03, 0xc0a, 0xb06, 0xa0f, 0x905, 0x80c,
  513. 0x70c, 0x605, 0x50f, 0x406, 0x30a, 0x203, 0x109, 0x0 ] );
  514. THREE.triTable = new Int32Array( [
  515. - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  516. 0, 8, 3, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  517. 0, 1, 9, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  518. 1, 8, 3, 9, 8, 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  519. 1, 2, 10, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  520. 0, 8, 3, 1, 2, 10, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  521. 9, 2, 10, 0, 2, 9, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  522. 2, 8, 3, 2, 10, 8, 10, 9, 8, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  523. 3, 11, 2, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  524. 0, 11, 2, 8, 11, 0, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  525. 1, 9, 0, 2, 3, 11, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  526. 1, 11, 2, 1, 9, 11, 9, 8, 11, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  527. 3, 10, 1, 11, 10, 3, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  528. 0, 10, 1, 0, 8, 10, 8, 11, 10, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  529. 3, 9, 0, 3, 11, 9, 11, 10, 9, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  530. 9, 8, 10, 10, 8, 11, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  531. 4, 7, 8, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  532. 4, 3, 0, 7, 3, 4, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  533. 0, 1, 9, 8, 4, 7, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  534. 4, 1, 9, 4, 7, 1, 7, 3, 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  535. 1, 2, 10, 8, 4, 7, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  536. 3, 4, 7, 3, 0, 4, 1, 2, 10, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  537. 9, 2, 10, 9, 0, 2, 8, 4, 7, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  538. 2, 10, 9, 2, 9, 7, 2, 7, 3, 7, 9, 4, - 1, - 1, - 1, - 1,
  539. 8, 4, 7, 3, 11, 2, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  540. 11, 4, 7, 11, 2, 4, 2, 0, 4, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  541. 9, 0, 1, 8, 4, 7, 2, 3, 11, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  542. 4, 7, 11, 9, 4, 11, 9, 11, 2, 9, 2, 1, - 1, - 1, - 1, - 1,
  543. 3, 10, 1, 3, 11, 10, 7, 8, 4, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  544. 1, 11, 10, 1, 4, 11, 1, 0, 4, 7, 11, 4, - 1, - 1, - 1, - 1,
  545. 4, 7, 8, 9, 0, 11, 9, 11, 10, 11, 0, 3, - 1, - 1, - 1, - 1,
  546. 4, 7, 11, 4, 11, 9, 9, 11, 10, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  547. 9, 5, 4, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  548. 9, 5, 4, 0, 8, 3, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  549. 0, 5, 4, 1, 5, 0, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  550. 8, 5, 4, 8, 3, 5, 3, 1, 5, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  551. 1, 2, 10, 9, 5, 4, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  552. 3, 0, 8, 1, 2, 10, 4, 9, 5, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  553. 5, 2, 10, 5, 4, 2, 4, 0, 2, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  554. 2, 10, 5, 3, 2, 5, 3, 5, 4, 3, 4, 8, - 1, - 1, - 1, - 1,
  555. 9, 5, 4, 2, 3, 11, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  556. 0, 11, 2, 0, 8, 11, 4, 9, 5, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  557. 0, 5, 4, 0, 1, 5, 2, 3, 11, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  558. 2, 1, 5, 2, 5, 8, 2, 8, 11, 4, 8, 5, - 1, - 1, - 1, - 1,
  559. 10, 3, 11, 10, 1, 3, 9, 5, 4, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  560. 4, 9, 5, 0, 8, 1, 8, 10, 1, 8, 11, 10, - 1, - 1, - 1, - 1,
  561. 5, 4, 0, 5, 0, 11, 5, 11, 10, 11, 0, 3, - 1, - 1, - 1, - 1,
  562. 5, 4, 8, 5, 8, 10, 10, 8, 11, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  563. 9, 7, 8, 5, 7, 9, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  564. 9, 3, 0, 9, 5, 3, 5, 7, 3, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  565. 0, 7, 8, 0, 1, 7, 1, 5, 7, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  566. 1, 5, 3, 3, 5, 7, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  567. 9, 7, 8, 9, 5, 7, 10, 1, 2, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  568. 10, 1, 2, 9, 5, 0, 5, 3, 0, 5, 7, 3, - 1, - 1, - 1, - 1,
  569. 8, 0, 2, 8, 2, 5, 8, 5, 7, 10, 5, 2, - 1, - 1, - 1, - 1,
  570. 2, 10, 5, 2, 5, 3, 3, 5, 7, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  571. 7, 9, 5, 7, 8, 9, 3, 11, 2, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  572. 9, 5, 7, 9, 7, 2, 9, 2, 0, 2, 7, 11, - 1, - 1, - 1, - 1,
  573. 2, 3, 11, 0, 1, 8, 1, 7, 8, 1, 5, 7, - 1, - 1, - 1, - 1,
  574. 11, 2, 1, 11, 1, 7, 7, 1, 5, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  575. 9, 5, 8, 8, 5, 7, 10, 1, 3, 10, 3, 11, - 1, - 1, - 1, - 1,
  576. 5, 7, 0, 5, 0, 9, 7, 11, 0, 1, 0, 10, 11, 10, 0, - 1,
  577. 11, 10, 0, 11, 0, 3, 10, 5, 0, 8, 0, 7, 5, 7, 0, - 1,
  578. 11, 10, 5, 7, 11, 5, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  579. 10, 6, 5, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  580. 0, 8, 3, 5, 10, 6, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  581. 9, 0, 1, 5, 10, 6, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  582. 1, 8, 3, 1, 9, 8, 5, 10, 6, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  583. 1, 6, 5, 2, 6, 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  584. 1, 6, 5, 1, 2, 6, 3, 0, 8, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  585. 9, 6, 5, 9, 0, 6, 0, 2, 6, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  586. 5, 9, 8, 5, 8, 2, 5, 2, 6, 3, 2, 8, - 1, - 1, - 1, - 1,
  587. 2, 3, 11, 10, 6, 5, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  588. 11, 0, 8, 11, 2, 0, 10, 6, 5, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  589. 0, 1, 9, 2, 3, 11, 5, 10, 6, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  590. 5, 10, 6, 1, 9, 2, 9, 11, 2, 9, 8, 11, - 1, - 1, - 1, - 1,
  591. 6, 3, 11, 6, 5, 3, 5, 1, 3, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  592. 0, 8, 11, 0, 11, 5, 0, 5, 1, 5, 11, 6, - 1, - 1, - 1, - 1,
  593. 3, 11, 6, 0, 3, 6, 0, 6, 5, 0, 5, 9, - 1, - 1, - 1, - 1,
  594. 6, 5, 9, 6, 9, 11, 11, 9, 8, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  595. 5, 10, 6, 4, 7, 8, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  596. 4, 3, 0, 4, 7, 3, 6, 5, 10, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  597. 1, 9, 0, 5, 10, 6, 8, 4, 7, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  598. 10, 6, 5, 1, 9, 7, 1, 7, 3, 7, 9, 4, - 1, - 1, - 1, - 1,
  599. 6, 1, 2, 6, 5, 1, 4, 7, 8, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  600. 1, 2, 5, 5, 2, 6, 3, 0, 4, 3, 4, 7, - 1, - 1, - 1, - 1,
  601. 8, 4, 7, 9, 0, 5, 0, 6, 5, 0, 2, 6, - 1, - 1, - 1, - 1,
  602. 7, 3, 9, 7, 9, 4, 3, 2, 9, 5, 9, 6, 2, 6, 9, - 1,
  603. 3, 11, 2, 7, 8, 4, 10, 6, 5, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  604. 5, 10, 6, 4, 7, 2, 4, 2, 0, 2, 7, 11, - 1, - 1, - 1, - 1,
  605. 0, 1, 9, 4, 7, 8, 2, 3, 11, 5, 10, 6, - 1, - 1, - 1, - 1,
  606. 9, 2, 1, 9, 11, 2, 9, 4, 11, 7, 11, 4, 5, 10, 6, - 1,
  607. 8, 4, 7, 3, 11, 5, 3, 5, 1, 5, 11, 6, - 1, - 1, - 1, - 1,
  608. 5, 1, 11, 5, 11, 6, 1, 0, 11, 7, 11, 4, 0, 4, 11, - 1,
  609. 0, 5, 9, 0, 6, 5, 0, 3, 6, 11, 6, 3, 8, 4, 7, - 1,
  610. 6, 5, 9, 6, 9, 11, 4, 7, 9, 7, 11, 9, - 1, - 1, - 1, - 1,
  611. 10, 4, 9, 6, 4, 10, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  612. 4, 10, 6, 4, 9, 10, 0, 8, 3, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  613. 10, 0, 1, 10, 6, 0, 6, 4, 0, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  614. 8, 3, 1, 8, 1, 6, 8, 6, 4, 6, 1, 10, - 1, - 1, - 1, - 1,
  615. 1, 4, 9, 1, 2, 4, 2, 6, 4, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  616. 3, 0, 8, 1, 2, 9, 2, 4, 9, 2, 6, 4, - 1, - 1, - 1, - 1,
  617. 0, 2, 4, 4, 2, 6, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  618. 8, 3, 2, 8, 2, 4, 4, 2, 6, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  619. 10, 4, 9, 10, 6, 4, 11, 2, 3, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  620. 0, 8, 2, 2, 8, 11, 4, 9, 10, 4, 10, 6, - 1, - 1, - 1, - 1,
  621. 3, 11, 2, 0, 1, 6, 0, 6, 4, 6, 1, 10, - 1, - 1, - 1, - 1,
  622. 6, 4, 1, 6, 1, 10, 4, 8, 1, 2, 1, 11, 8, 11, 1, - 1,
  623. 9, 6, 4, 9, 3, 6, 9, 1, 3, 11, 6, 3, - 1, - 1, - 1, - 1,
  624. 8, 11, 1, 8, 1, 0, 11, 6, 1, 9, 1, 4, 6, 4, 1, - 1,
  625. 3, 11, 6, 3, 6, 0, 0, 6, 4, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  626. 6, 4, 8, 11, 6, 8, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  627. 7, 10, 6, 7, 8, 10, 8, 9, 10, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  628. 0, 7, 3, 0, 10, 7, 0, 9, 10, 6, 7, 10, - 1, - 1, - 1, - 1,
  629. 10, 6, 7, 1, 10, 7, 1, 7, 8, 1, 8, 0, - 1, - 1, - 1, - 1,
  630. 10, 6, 7, 10, 7, 1, 1, 7, 3, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  631. 1, 2, 6, 1, 6, 8, 1, 8, 9, 8, 6, 7, - 1, - 1, - 1, - 1,
  632. 2, 6, 9, 2, 9, 1, 6, 7, 9, 0, 9, 3, 7, 3, 9, - 1,
  633. 7, 8, 0, 7, 0, 6, 6, 0, 2, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  634. 7, 3, 2, 6, 7, 2, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  635. 2, 3, 11, 10, 6, 8, 10, 8, 9, 8, 6, 7, - 1, - 1, - 1, - 1,
  636. 2, 0, 7, 2, 7, 11, 0, 9, 7, 6, 7, 10, 9, 10, 7, - 1,
  637. 1, 8, 0, 1, 7, 8, 1, 10, 7, 6, 7, 10, 2, 3, 11, - 1,
  638. 11, 2, 1, 11, 1, 7, 10, 6, 1, 6, 7, 1, - 1, - 1, - 1, - 1,
  639. 8, 9, 6, 8, 6, 7, 9, 1, 6, 11, 6, 3, 1, 3, 6, - 1,
  640. 0, 9, 1, 11, 6, 7, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  641. 7, 8, 0, 7, 0, 6, 3, 11, 0, 11, 6, 0, - 1, - 1, - 1, - 1,
  642. 7, 11, 6, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  643. 7, 6, 11, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  644. 3, 0, 8, 11, 7, 6, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  645. 0, 1, 9, 11, 7, 6, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  646. 8, 1, 9, 8, 3, 1, 11, 7, 6, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  647. 10, 1, 2, 6, 11, 7, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  648. 1, 2, 10, 3, 0, 8, 6, 11, 7, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  649. 2, 9, 0, 2, 10, 9, 6, 11, 7, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  650. 6, 11, 7, 2, 10, 3, 10, 8, 3, 10, 9, 8, - 1, - 1, - 1, - 1,
  651. 7, 2, 3, 6, 2, 7, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  652. 7, 0, 8, 7, 6, 0, 6, 2, 0, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  653. 2, 7, 6, 2, 3, 7, 0, 1, 9, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  654. 1, 6, 2, 1, 8, 6, 1, 9, 8, 8, 7, 6, - 1, - 1, - 1, - 1,
  655. 10, 7, 6, 10, 1, 7, 1, 3, 7, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  656. 10, 7, 6, 1, 7, 10, 1, 8, 7, 1, 0, 8, - 1, - 1, - 1, - 1,
  657. 0, 3, 7, 0, 7, 10, 0, 10, 9, 6, 10, 7, - 1, - 1, - 1, - 1,
  658. 7, 6, 10, 7, 10, 8, 8, 10, 9, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  659. 6, 8, 4, 11, 8, 6, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  660. 3, 6, 11, 3, 0, 6, 0, 4, 6, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  661. 8, 6, 11, 8, 4, 6, 9, 0, 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  662. 9, 4, 6, 9, 6, 3, 9, 3, 1, 11, 3, 6, - 1, - 1, - 1, - 1,
  663. 6, 8, 4, 6, 11, 8, 2, 10, 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  664. 1, 2, 10, 3, 0, 11, 0, 6, 11, 0, 4, 6, - 1, - 1, - 1, - 1,
  665. 4, 11, 8, 4, 6, 11, 0, 2, 9, 2, 10, 9, - 1, - 1, - 1, - 1,
  666. 10, 9, 3, 10, 3, 2, 9, 4, 3, 11, 3, 6, 4, 6, 3, - 1,
  667. 8, 2, 3, 8, 4, 2, 4, 6, 2, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  668. 0, 4, 2, 4, 6, 2, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  669. 1, 9, 0, 2, 3, 4, 2, 4, 6, 4, 3, 8, - 1, - 1, - 1, - 1,
  670. 1, 9, 4, 1, 4, 2, 2, 4, 6, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  671. 8, 1, 3, 8, 6, 1, 8, 4, 6, 6, 10, 1, - 1, - 1, - 1, - 1,
  672. 10, 1, 0, 10, 0, 6, 6, 0, 4, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  673. 4, 6, 3, 4, 3, 8, 6, 10, 3, 0, 3, 9, 10, 9, 3, - 1,
  674. 10, 9, 4, 6, 10, 4, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  675. 4, 9, 5, 7, 6, 11, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  676. 0, 8, 3, 4, 9, 5, 11, 7, 6, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  677. 5, 0, 1, 5, 4, 0, 7, 6, 11, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  678. 11, 7, 6, 8, 3, 4, 3, 5, 4, 3, 1, 5, - 1, - 1, - 1, - 1,
  679. 9, 5, 4, 10, 1, 2, 7, 6, 11, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  680. 6, 11, 7, 1, 2, 10, 0, 8, 3, 4, 9, 5, - 1, - 1, - 1, - 1,
  681. 7, 6, 11, 5, 4, 10, 4, 2, 10, 4, 0, 2, - 1, - 1, - 1, - 1,
  682. 3, 4, 8, 3, 5, 4, 3, 2, 5, 10, 5, 2, 11, 7, 6, - 1,
  683. 7, 2, 3, 7, 6, 2, 5, 4, 9, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  684. 9, 5, 4, 0, 8, 6, 0, 6, 2, 6, 8, 7, - 1, - 1, - 1, - 1,
  685. 3, 6, 2, 3, 7, 6, 1, 5, 0, 5, 4, 0, - 1, - 1, - 1, - 1,
  686. 6, 2, 8, 6, 8, 7, 2, 1, 8, 4, 8, 5, 1, 5, 8, - 1,
  687. 9, 5, 4, 10, 1, 6, 1, 7, 6, 1, 3, 7, - 1, - 1, - 1, - 1,
  688. 1, 6, 10, 1, 7, 6, 1, 0, 7, 8, 7, 0, 9, 5, 4, - 1,
  689. 4, 0, 10, 4, 10, 5, 0, 3, 10, 6, 10, 7, 3, 7, 10, - 1,
  690. 7, 6, 10, 7, 10, 8, 5, 4, 10, 4, 8, 10, - 1, - 1, - 1, - 1,
  691. 6, 9, 5, 6, 11, 9, 11, 8, 9, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  692. 3, 6, 11, 0, 6, 3, 0, 5, 6, 0, 9, 5, - 1, - 1, - 1, - 1,
  693. 0, 11, 8, 0, 5, 11, 0, 1, 5, 5, 6, 11, - 1, - 1, - 1, - 1,
  694. 6, 11, 3, 6, 3, 5, 5, 3, 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  695. 1, 2, 10, 9, 5, 11, 9, 11, 8, 11, 5, 6, - 1, - 1, - 1, - 1,
  696. 0, 11, 3, 0, 6, 11, 0, 9, 6, 5, 6, 9, 1, 2, 10, - 1,
  697. 11, 8, 5, 11, 5, 6, 8, 0, 5, 10, 5, 2, 0, 2, 5, - 1,
  698. 6, 11, 3, 6, 3, 5, 2, 10, 3, 10, 5, 3, - 1, - 1, - 1, - 1,
  699. 5, 8, 9, 5, 2, 8, 5, 6, 2, 3, 8, 2, - 1, - 1, - 1, - 1,
  700. 9, 5, 6, 9, 6, 0, 0, 6, 2, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  701. 1, 5, 8, 1, 8, 0, 5, 6, 8, 3, 8, 2, 6, 2, 8, - 1,
  702. 1, 5, 6, 2, 1, 6, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  703. 1, 3, 6, 1, 6, 10, 3, 8, 6, 5, 6, 9, 8, 9, 6, - 1,
  704. 10, 1, 0, 10, 0, 6, 9, 5, 0, 5, 6, 0, - 1, - 1, - 1, - 1,
  705. 0, 3, 8, 5, 6, 10, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  706. 10, 5, 6, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  707. 11, 5, 10, 7, 5, 11, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  708. 11, 5, 10, 11, 7, 5, 8, 3, 0, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  709. 5, 11, 7, 5, 10, 11, 1, 9, 0, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  710. 10, 7, 5, 10, 11, 7, 9, 8, 1, 8, 3, 1, - 1, - 1, - 1, - 1,
  711. 11, 1, 2, 11, 7, 1, 7, 5, 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  712. 0, 8, 3, 1, 2, 7, 1, 7, 5, 7, 2, 11, - 1, - 1, - 1, - 1,
  713. 9, 7, 5, 9, 2, 7, 9, 0, 2, 2, 11, 7, - 1, - 1, - 1, - 1,
  714. 7, 5, 2, 7, 2, 11, 5, 9, 2, 3, 2, 8, 9, 8, 2, - 1,
  715. 2, 5, 10, 2, 3, 5, 3, 7, 5, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  716. 8, 2, 0, 8, 5, 2, 8, 7, 5, 10, 2, 5, - 1, - 1, - 1, - 1,
  717. 9, 0, 1, 5, 10, 3, 5, 3, 7, 3, 10, 2, - 1, - 1, - 1, - 1,
  718. 9, 8, 2, 9, 2, 1, 8, 7, 2, 10, 2, 5, 7, 5, 2, - 1,
  719. 1, 3, 5, 3, 7, 5, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  720. 0, 8, 7, 0, 7, 1, 1, 7, 5, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  721. 9, 0, 3, 9, 3, 5, 5, 3, 7, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  722. 9, 8, 7, 5, 9, 7, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  723. 5, 8, 4, 5, 10, 8, 10, 11, 8, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  724. 5, 0, 4, 5, 11, 0, 5, 10, 11, 11, 3, 0, - 1, - 1, - 1, - 1,
  725. 0, 1, 9, 8, 4, 10, 8, 10, 11, 10, 4, 5, - 1, - 1, - 1, - 1,
  726. 10, 11, 4, 10, 4, 5, 11, 3, 4, 9, 4, 1, 3, 1, 4, - 1,
  727. 2, 5, 1, 2, 8, 5, 2, 11, 8, 4, 5, 8, - 1, - 1, - 1, - 1,
  728. 0, 4, 11, 0, 11, 3, 4, 5, 11, 2, 11, 1, 5, 1, 11, - 1,
  729. 0, 2, 5, 0, 5, 9, 2, 11, 5, 4, 5, 8, 11, 8, 5, - 1,
  730. 9, 4, 5, 2, 11, 3, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  731. 2, 5, 10, 3, 5, 2, 3, 4, 5, 3, 8, 4, - 1, - 1, - 1, - 1,
  732. 5, 10, 2, 5, 2, 4, 4, 2, 0, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  733. 3, 10, 2, 3, 5, 10, 3, 8, 5, 4, 5, 8, 0, 1, 9, - 1,
  734. 5, 10, 2, 5, 2, 4, 1, 9, 2, 9, 4, 2, - 1, - 1, - 1, - 1,
  735. 8, 4, 5, 8, 5, 3, 3, 5, 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  736. 0, 4, 5, 1, 0, 5, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  737. 8, 4, 5, 8, 5, 3, 9, 0, 5, 0, 3, 5, - 1, - 1, - 1, - 1,
  738. 9, 4, 5, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  739. 4, 11, 7, 4, 9, 11, 9, 10, 11, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  740. 0, 8, 3, 4, 9, 7, 9, 11, 7, 9, 10, 11, - 1, - 1, - 1, - 1,
  741. 1, 10, 11, 1, 11, 4, 1, 4, 0, 7, 4, 11, - 1, - 1, - 1, - 1,
  742. 3, 1, 4, 3, 4, 8, 1, 10, 4, 7, 4, 11, 10, 11, 4, - 1,
  743. 4, 11, 7, 9, 11, 4, 9, 2, 11, 9, 1, 2, - 1, - 1, - 1, - 1,
  744. 9, 7, 4, 9, 11, 7, 9, 1, 11, 2, 11, 1, 0, 8, 3, - 1,
  745. 11, 7, 4, 11, 4, 2, 2, 4, 0, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  746. 11, 7, 4, 11, 4, 2, 8, 3, 4, 3, 2, 4, - 1, - 1, - 1, - 1,
  747. 2, 9, 10, 2, 7, 9, 2, 3, 7, 7, 4, 9, - 1, - 1, - 1, - 1,
  748. 9, 10, 7, 9, 7, 4, 10, 2, 7, 8, 7, 0, 2, 0, 7, - 1,
  749. 3, 7, 10, 3, 10, 2, 7, 4, 10, 1, 10, 0, 4, 0, 10, - 1,
  750. 1, 10, 2, 8, 7, 4, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  751. 4, 9, 1, 4, 1, 7, 7, 1, 3, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  752. 4, 9, 1, 4, 1, 7, 0, 8, 1, 8, 7, 1, - 1, - 1, - 1, - 1,
  753. 4, 0, 3, 7, 4, 3, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  754. 4, 8, 7, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  755. 9, 10, 8, 10, 11, 8, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  756. 3, 0, 9, 3, 9, 11, 11, 9, 10, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  757. 0, 1, 10, 0, 10, 8, 8, 10, 11, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  758. 3, 1, 10, 11, 3, 10, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  759. 1, 2, 11, 1, 11, 9, 9, 11, 8, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  760. 3, 0, 9, 3, 9, 11, 1, 2, 9, 2, 11, 9, - 1, - 1, - 1, - 1,
  761. 0, 2, 11, 8, 0, 11, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  762. 3, 2, 11, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  763. 2, 3, 8, 2, 8, 10, 10, 8, 9, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  764. 9, 10, 2, 0, 9, 2, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  765. 2, 3, 8, 2, 8, 10, 0, 1, 8, 1, 10, 8, - 1, - 1, - 1, - 1,
  766. 1, 10, 2, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  767. 1, 3, 8, 9, 1, 8, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  768. 0, 9, 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  769. 0, 3, 8, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1,
  770. - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1, - 1 ] );