Class: DMTool::Die

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(sides: 6, explodes: false) ⇒ Die

Returns a new instance of Die.

Raises:

  • (ArgumentError) 


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# File 'lib/dmtool/die.rb', line 4

def initialize(sides: 6, explodes: false)
  raise ArgumentError.new("Invalid sides: #{sides}") unless sides.is_a?(Fixnum) && sides > 1
  @sides = sides
  @explodes = explodes
  @history = []
end

Instance Attribute Details

#explodes ⇒ Object (readonly) Also known as: explodes?

Returns the value of attribute explodes.



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# File 'lib/dmtool/die.rb', line 2

def explodes
  @explodes
end

#history ⇒ Object (readonly)

Returns the value of attribute history.



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# File 'lib/dmtool/die.rb', line 2

def history
  @history
end

#sides ⇒ Object (readonly)

Returns the value of attribute sides.



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# File 'lib/dmtool/die.rb', line 2

def sides
  @sides
end

Instance Method Details

#roll ⇒ Object Also known as: roll! 



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# File 'lib/dmtool/die.rb', line 15

def roll
  result = rand_roll
  result += rand_roll while explodes? && result % sides == 0
  history.push result
  result
end

#value ⇒ Object 



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# File 'lib/dmtool/die.rb', line 11

def value
  @history.last
end