Class: Dice::PolyhedronSet

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

Overview

Class represents a PolyhedronsSet

Instance Method Summary collapse

Constructor Details

#initialize(arr) ⇒ PolyhedronSet

Returns a new instance of PolyhedronSet.



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# File 'lib/theory_of_probability.rb', line 106

def initialize(arr)
  @pons = parse_pons(arr).sort_by{|item| -item.csides}
  @percentage = count_chance_sum
end

Instance Method Details

#make_graph_by_plotter(x = percentage.size * 10, y = percentage.size * 10) ⇒ Object

creating a graph representing chances of getting points



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# File 'lib/theory_of_probability.rb', line 138

def make_graph_by_plotter(x = percentage.size * 10, y = percentage.size * 10)
  filename = 'tmp/percentage.png'
  File.delete(filename) if File.exist?(filename)
  plotter = Image.new(x, y)
  plotter.bar_chart(percentage, 1, color('red @ 1.0'))
  plotter.export(filename)
end

#percentage ⇒ Object

hash with chances of getting definite score



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# File 'lib/theory_of_probability.rb', line 112

def percentage
  @percentage
end

#throw ⇒ Object

ability to throw a polyhedron set using hash of chances



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# File 'lib/theory_of_probability.rb', line 124

def throw
  sum = 0
  r = rand
  @percentage.each do |item|
    sum += item[1]
    if sum >= r
      item[0]
      break
    end
  end
end

#to_s ⇒ Object

returns array of polyhedrons



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# File 'lib/theory_of_probability.rb', line 118

def to_s
  @pons.map {|item| item.to_s}
end