init

rpg-docs/Model/Utility/dice.js

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+roll = function (n, d){
+	if(!isNaN(n)){
+		//first digit is a number
+		if(d === undefined){
+			d = n;
+			n = 1;
+		}
+		if(n > 500){
+			console.log(n + " > 500, cannot lift that many dice to roll them");
+			return;
+		}
+		var result = {sum: 0, rolls: []};
+		for (var i = 0; i < n; i++){
+			var roll = Math.floor(Random.fraction() * d + 1)
+			result.sum += roll;
+			result.rolls.push(roll);
+		}
+		return result;
+	}
+	console.log("rolling dice failed for inputs: ", n, d);
+	return {sum: 0, rolls: []};
+}
+
+rollDropLow = function(n, d, drop){
+	var r = roll(n,d)
+	r.rolls.sort(function(a, b){return a-b}); //sort ascending
+	r.rolls.splice(0, drop); //remove the lowest elements
+	r.sum = 0;
+	for (var i = 0, l = r.rolls.length; i , l ; i++){
+		sum += r.rolls[i];
+	}
+	return r;
+}
+
+rollDropHigh = function(n, d, drop){
+	var r = roll(n,d)
+	r.rolls.sort(function(a, b){return b-a}); //sort descending
+	r.rolls.splice(0, drop); //remove the highest elements
+	r.sum = 0;
+	for (var i = 0, l = r.rolls.length; i , l ; i++){
+		sum += r.rolls[i];
+	}
+	return r;
+}