<!DOCTYPE html>
<html>
<body>
<p id="white"></p>
<p id="red"></p>
<p id="d6"></p>
<script>
var white = [0, 0, 0, 0, 1, 2], //White Space Crusade die
red = [0, 0, 0, 3, 1, 2], //Red Space Crusade die
d6 = [1, 2, 3, 4, 5, 6], //Normal D6
d10 = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, ], //Normal D10
result;
document.getElementById("red").innerHTML =
"Calculating";
document.getElementById("white").innerHTML =
"Calculating";
document.getElementById("d6").innerHTML =
"Calculating";
result = trials(white, 10000, rerollOne);
document.getElementById("white").innerHTML =
"The rolls were <br>" + displayResult(result, 100) + " ";
result = trials(red, 10000, rerollOne);
document.getElementById("red").innerHTML =
"The rolls were <br>" + displayResult(result, 100) + " ";
result = trials(d6, 10000, rollTwo);
document.getElementById("d6").innerHTML =
"The rolls were <br>" + displayResult(result, 100) + " ";
function displayResult(anArray, divide) {//result array, divisor for output to make it look like a percentage
var i, limit, str = "";
limit = anArray.length;
for (i = 0; i < limit; i++) {
str += i;
str += ": ";
str += anArray[i] / divide;
str += " %<br>";
}
return str;
}
function trials(diceArray, times, funct) {//die array, number of iterations, function to use
var i, roll, result = [];
for (i = 0; i < times; i++) {
roll = funct(diceArray);
while (result.length < roll + 1) {//make result array bigger if needs be
result.push(0);
}
result[roll] = result[roll] + 1;
}
return result;
}
function rollDie(colorDie) {//returns a random die roll result
return colorDie[randIndex(colorDie.length)]
}
function randIndex(num) {
return Math.floor((Math.random() * num));
}
function rollTwo(colorDie) {//simple total
var die1, die2;
die1 = rollDie(colorDie);
die2 = rollDie(colorDie);
return die1 + die2;
}
function rerollOne(colorDie) {// if one result is zero, reroll it
var die1, die2, reroll;
die1 = rollDie(colorDie);
die2 = rollDie(colorDie);
reroll = rollDie(colorDie);
if (die1 === 0) {
die1 = reroll; //reroll first die if zero
} else {
if (die2 === 0) {
die2 = reroll; //otherwise reroll second die if zero
}
}
return die1 + die2; //total of 2 dice
}
</script>
</body>
</html>
