bower
Version:
The browser package manager
17 lines (14 loc) • 593 B
JavaScript
define(['../number/MIN_INT', '../number/MAX_INT', './rand'], function(MIN_INT, MAX_INT, rand){
/**
* Gets random integer inside range or snap to min/max values.
*/
function randInt(min, max){
min = min == null? MIN_INT : ~~min;
max = max == null? MAX_INT : ~~max;
// can't be max + 0.5 otherwise it will round up if `rand`
// returns `max` causing it to overflow range.
// -0.5 and + 0.49 are required to avoid bias caused by rounding
return Math.round( rand(min - 0.5, max + 0.499999999999) );
}
return randInt;
});