HTT and HTH spin-off

gistfile1.js

var trials = 10000;      // Number of times to try the process
                    

var heads = 1;
var tails = 0;
var success = 0;


var flip1 = 0;  // heads will be 1 and tails will be 0;
var flip2 = 0;  // same
var flip3 = 0;

var i = 0;
var j = 0;

var FLIP_ROUND = 3;
var Round_Count = 0;


for(i = 0; i < trials; i++){

    flip1 = floor(random(0,1) + 0.5);  // this formula takes a random number between 0 and 1
    flip2 = floor(random(0,1) + 0.5);  // and transforms it to either 0 or 1.


    for(j = 3; j < 1000; j++) 
        {           
            flip3 = floor(random(0,1) + 0.5);  // same formula from above
            
      
            if( flip1 === heads && flip2 === tails && flip3 === heads){  // checking if we math the pattern 
                //  if yes, thenwe've matched our pattern - yay!;
                
                success += j;  // add the step at which the match occurred.  Min is j = 3 since
                                //  the pattern is 3 flips long.
                                
                if(j === FLIP_ROUND){   // counting the number of times we see our sequence first on
                    Round_Count++;  //  a specific round
                }
                
                j = 10000;  // lazy way to break out of the inner for loop when we match the pattern
            
            }
            else{
                flip1 = flip2;   // on to the next flip - just slide down the list
                flip2 = flip3;
            }
   
        }   
   
}


// printing out the final information.  

fill(0,0,0);
textSize(27);

//text("How many total trials -> " + trials,10,50);
//text("average match time " + success / trials,10,100);

text("Number of times on Round " + FLIP_ROUND,10,250);
text("         equals " + Round_Count,10,300);
text(" as a percent " + 100*Round_Count / trials,10,350);