//COMS 161.01  11/03/2017
//
//A PROGRAM THAT PLAYS A GAME OF Craps
//
//On the 1st roll, you lose if you roll a 2,3,or 12,
//but you win if you roll a 7 or 11.
//
//In all other cases, this 1st roll is saved as the "point"
//and you must roll until either you match the point (a win)
//or you roll a 7 (a loss).


die1 = 1 + Math.floor(6 * Math.random());
die2 = 1 + Math.floor(6 * Math.random());
result = die1 + die2;
alert("You rolled a " + result);

if (result == 2 || result == 3 || result == 12) 
   alert("You lost.");
else if (result == 7 || result == 11) 
   alert("You won.");
else {
   point = result;  //SAVE result AS point
   alert("You need to roll a " + point + " before rolling a 7.");

   die1 = 1 + Math.floor(6 * Math.random());
   die2 = 1 + Math.floor(6 * Math.random());
   result = die1 + die2;

   while (result!=point  && result!=7) { 
       alert("You rolled a " + result);
       die1 = 1 + Math.floor(6 * Math.random());
       die2 = 1 + Math.floor(6 * Math.random());
       result = die1 + die2;
   }

   alert("You rolled a " + result);

   if (result==point) 
        alert("You won.");
   else 
        alert("You lost.");   
} //end else