Merge pull request #515 from ribtips/main

Ruby implementation of game 61 math_dice

61_Math_Dice/ruby/mathdice.rb

@@ -0,0 +1,115 @@
+def intro
+  puts "                               MATH DICE
+                 CREATIVE COMPUTING  MORRISTOWN, NEW JERSEY
+
+THIS PROGRAM GENERATES SUCCESSIVE PICTURES OF TWO DICE.
+WHEN TWO DICE AND AN EQUAL SIGN FOLLOWED BY A QUESTION
+MARK HAVE BEEN PRINTED, TYPE YOUR ANSWER AND THE RETURN KEY.
+TO CONCLUDE THE LESSON, TYPE '0' AS YOUR ANSWER.
+"
+end
+
+def game_play
+  num = 0
+  sum = 0
+  tries = 0
+  until num == 2 do
+    num+=1
+    roll = rand(6) + 1
+    print_dice(roll)
+    sum = sum + roll
+    if num == 1 
+      print "\n   +\n\n"
+    end
+    if num == 2
+      print "\n   =? "
+      ans = gets.chomp
+      if ans.to_i == 0
+        #END GAME
+        exit(0)
+      elsif ans.to_i == sum
+        puts "RIGHT!"
+        puts "THE DICE ROLL AGAIN"
+      else
+        puts "NO, COUNT THE SPOTS AND GIVE ANOTHER ANSWER"
+        print "\n   =? "
+        ans = gets.chomp
+        if ans.to_i == sum
+          puts "RIGHT!"
+          puts "THE DICE ROLL AGAIN"
+        elsif ans.to_i == 0
+          exit(0)
+        else
+          puts "NO, THE ANSWER IS #{sum}"
+        end
+      end
+    end
+  end
+end
+
+
+
+def print_dice(roll)
+  puts " -----"
+  if roll == 1
+    print_blank
+    print_one_mid
+    print_blank
+  elsif roll == 2
+    print_one_left
+    print_blank
+    print_one_right
+  elsif roll == 3
+    print_one_left
+    print_one_mid
+    print_one_right
+  elsif roll == 4
+    print_two
+    print_blank
+    print_two
+  elsif roll == 5
+    print_two
+    print_one_mid
+    print_two
+  elsif roll == 6
+    print_two
+    print_two
+    print_two
+  else
+    puts "not a legit dice roll"
+  end
+  puts " -----"
+end
+
+
+def print_one_left
+  puts "I *   I"
+end
+
+def print_one_mid
+  puts "I  *  I"
+end
+
+def print_one_right
+  puts "I   * I"
+end
+
+def print_two
+  puts "I * * I"
+end
+
+def print_blank
+  puts "I     I"
+end
+
+
+
+def main
+  intro
+  #Continue playing forever until it terminates with exit in game_play
+  while 1 == 1 do
+    game_play
+  end
+end
+
+main