90 lines
2.2 KiB
JavaScript
90 lines
2.2 KiB
JavaScript
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"use strict";
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var scramble_222 = (function(circle, rn) {
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var solv = new mathlib.Solver(3, 3, [[0, doPermMove, 5040], [0, doOriMove, 729]]);
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function doPermMove(idx, m) {
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var g = [];
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mathlib.set8Perm(g, idx, 7);
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if (m == 0) {
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circle(g, 0, 2, 3, 1);
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} else if (m == 1) {
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circle(g, 0, 1, 5, 4);
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} else if (m == 2) {
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circle(g, 0, 4, 6, 2);
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}
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return mathlib.get8Perm(g, 7);
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}
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function doOriMove(a, c) {
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var b, d, e, h = 0,
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g = a,
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f = [];
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for (b = 1; 6 >= b; b++) e = ~~ (g / 3),
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d = g - 3 * e,
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g = e,
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f[b] = d,
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h -= d,
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0 > h && (h += 3);
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f[0] = h;
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0 == c ? circle(f, 0, 2, 3, 1) : 1 == c ? (circle(f, 0, 1, 5, 4), f[0] += 2, f[1]++, f[5] += 2, f[4]++) : 2 == c && (circle(f, 0, 4, 6, 2), f[2] += 2, f[0]++, f[4] += 2, f[6]++);
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g = 0;
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for (b = 6; 1 <= b; b--) g = 3 * g + f[b] % 3;
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return g
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}
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function getScramble(type) {
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var a, b, c, g, lim;
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a = type == '222o' ? 0 : 9;
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g = [[0, 0, 0, 0, 4, 5, 6],
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[0, 0, 0, 0, 4, 6, 5],
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[0, 0, 0, 0, 5, 4, 6],
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[0, 0, 0, 0, 5, 6, 4],
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[0, 0, 0, 0, 6, 4, 5],
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[0, 0, 0, 0, 6, 5, 4]];
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do {
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lim = 2;
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if (type == '222o' || type == '222so') {
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c = rn(5040);
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b = rn(729);
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lim = 3;
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} else if (type == '222eg') {
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c = rn(24);
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b = rn(27);
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g = g[rn(6)];
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mathlib.set8Perm(g, c, 4);
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c = mathlib.get8Perm(g, 7);
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} else if (type == '222eg0') {
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c = rn(24);
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b = rn(27);
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g = g[0];
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mathlib.set8Perm(g, c, 4);
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c = mathlib.get8Perm(g, 7);
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} else if (type == '222eg1') {
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c = rn(24);
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b = rn(27);
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g = g[rn(4) + 2];
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mathlib.set8Perm(g, c, 4);
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c = mathlib.get8Perm(g, 7);
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} else if (type == '222eg2') {
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c = rn(24);
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b = rn(27);
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g = g[1];
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mathlib.set8Perm(g, c, 4);
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c = mathlib.get8Perm(g, 7);
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}
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} while (c == 0 && b == 0 || solv.search([c, b], lim, lim) != null);
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return solv.toStr(solv.search([c, b], a).reverse(), "URF", "'2 ");
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}
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function getRandomScramble(){
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return getScramble('222so');
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}
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function getOptimalScramble(){
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return getScramble('222o');
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}
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return {
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getRandomScramble: getRandomScramble,
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getOptimalScramble: getOptimalScramble,
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};
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//scramble.reg(['222o', '222so', '222eg', '222eg0', '222eg1', '222eg2'], getScramble);
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}) (mathlib.circle, mathlib.rn);
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