[Crazy]

Сообщение от GBee

Я не понял, если честно? Поясните как? Пока вариант ИО элегантней :о))

    public class Selector {
 
        public static function selectRandom(values:Array, weights:Array):uint {
            var rnd:uint = uint(calculateTotalWeight(weights) * Math.random());
            return values[findIndex(weights, rnd)];
        }
 
        private static function calculateTotalWeight(weights:Array /* uint */):uint {
            var total:uint = 0;
            for each (var weight:uint in weights) {
                total += weight;
            }
            return total;
        }
 
        private static function findIndex(weights:Array, target:uint):uint {
            var accumulated:uint = 0;
            var upperIndex:uint = weights.length - 1;
            for (var i:uint = 0; i < upperIndex; ++i) {
                accumulated += weights[i];
                if (accumulated > target) {
                    return i;
                }
            }
            return upperIndex;
        }
 
    }

P.S. Граждане, будьте проще.