Livecode_oranger.rb

interface

require_relative 'oranger'

oranger = Oranger.new

98.times do
  oranger.one_year_passes
  oranger.pick_a_fruit
  puts "L'oranger est #{oranger.dead? ? 'mort' : 'vivant'}, il a #{oranger.age} ans, mesure #{oranger.height}cm et a #{oranger.fruits} fruits"
end

oranger.rb

class Oranger

  attr_reader :age, :height, :fruits

  def initialize
    @age = 0
    @height = 0
    @fruits = 0
    @alive = true
  end

  def one_year_passes
    @age +=1
    @fruits = 0
    @alive = compute_health
    if dead? == false
      @height += 1 if @age <= 10
      grow_fruit
    end
  end

  def pick_a_fruit
    if @fruits > 0
      @fruits -= 1
      return 1
    else
      return 0
    end
  end

  def dead?
    !@alive
  end

private

  def compute_health
    return false unless @alive
    if @age <= 50
      true
    elsif 50 < @age && @age <= 100
      return [true, false].sample
    else
      false
    end
  end

  def grow_fruit
    if @age > 5 && @age <= 10
      @fruits = 100
    elsif @age > 10 && @age <= 15
      @fruits = 200
    else
      @fruits = 0
    end
  end
end