chance static method
Calculates 'chance' out of 'max chances'. Example: 1 chance out of 3 chances (or 33.3%)
- chance a chance proportional to maxChances.
maxChances
a maximum number of chances
Implementation
static bool chance(double chance, double maxChances) {
chance = chance >= 0 ? chance : 0;
maxChances = maxChances >= 0 ? maxChances : 0;
if (chance == 0 && maxChances == 0) return false;
maxChances = max(maxChances, chance);
var start = (maxChances - chance) / 2;
var end = start + chance;
var hit = _random.nextDouble() * maxChances;
return hit >= start && hit <= end;
}