Scrambler is a simple gem which provides your ground-breaking cube application with random turn scrambles for all WCA puzzles.
Install it as a gem
gem install scrambler
or if you use Bundler to handle your dependencies, add this to your Gemfile and run bundle.
gem "scrambler"
Here's a list of all currently supported puzzles and their corresponding class names (note: they're all contained in the Scrambler module):
Puzzle Class
-------- ------------
2x2x2 TwoByTwo
3x3x3 ThreeByThree
4x4x4 FourByFour
5x5x5 FiveByFive
6x6x6 SixBySix
7x7x7 SevenBySeven
Pyraminx Pyraminx
Clock Clock
Square-1 Square1
Megaminx Megaminx
Just create an instance of the puzzle class and call scramble on it. scramble usually has one optional argument which specifies the scramble length.
require "rubygems"
require "scrambler"
Scrambler::ThreeByThree.new.scramble # defaults to 25 moves
# => "U F2 L' D R U' R2 U2 F D' R' D' F2 U2 R2 B R2 D F2 R2 F' U' B2 U B'"
Scrambler::ThreeByThree.new.scramble(10)
# => "U2 F2 R2 B L U2 R2 D' L' F2"
Scrambler::Clock.new.scramble # there's no scramble length parameter
# => "UUdd u=2; d=-5 / dUdU u=-3; d=6 / ddUU u=6; d=3 / UdUd u=3; d=2 / dUUU u=5 / UdUU u=-2 / UUUd u=6 / UUdU u=4 / UUUU u=1 / dddd d=0 / UUdd"