Class: RubiksCube::Solution

Inherits:
Object
  • Object
show all
Defined in:
lib/rubiks_cube/solution.rb

Overview

Abstract interface for a RubiksCube solution

Must implement:

solution: array or string of moves necessary to solve the cube
pretty:   human readable string of solution

Direct Known Subclasses

TwoCycleSolution

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(cube) ⇒ Solution

Returns a new instance of Solution.



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# File 'lib/rubiks_cube/solution.rb', line 20

def initialize(cube)
  @cube = Cube.new(cube.state)
end

Instance Attribute Details

#cube ⇒ Object (readonly)

Returns the value of attribute cube.



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# File 'lib/rubiks_cube/solution.rb', line 8

def cube
  @cube
end

Instance Method Details

#length ⇒ Object 



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# File 'lib/rubiks_cube/solution.rb', line 32

def length
  Array(solution).flatten.join(' ').split.count
end

#pretty ⇒ Object

Human readable string of solution



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# File 'lib/rubiks_cube/solution.rb', line 16

def pretty
  raise "#pretty unimplemented in #{self.class.name}"
end

#solution ⇒ Object

Array or String of moves necessary to solve the cube



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# File 'lib/rubiks_cube/solution.rb', line 11

def solution
  raise "#solution unimplemented in #{self.class.name}"
end

#solved? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/rubiks_cube/solution.rb', line 28

def solved?
  cube.solved?
end

#state ⇒ Object 



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# File 'lib/rubiks_cube/solution.rb', line 24

def state
  cube.state
end