mirror of
https://github.com/bitburner-official/bitburner-src.git
synced 2024-12-30 01:47:33 +01:00
24 lines
770 B
TypeScript
24 lines
770 B
TypeScript
/**
|
|
* Adds a random offset to a number within a certain percentage
|
|
* @example
|
|
* // Returns between 95-105
|
|
* addOffset(100, 5);
|
|
* @example
|
|
* // Returns between 63-77
|
|
* addOffSet(70, 10);
|
|
* @param midpoint The number to be the midpoint of the offset range
|
|
* @param percentage The percentage (in a range of 0-100) to offset
|
|
*/
|
|
export function addOffset(midpoint: number, percentage: number) {
|
|
const maxPercent: number = 100;
|
|
if (percentage < 0 || percentage > maxPercent) {
|
|
return midpoint;
|
|
}
|
|
|
|
const offset: number = midpoint * (percentage / maxPercent);
|
|
|
|
// Double the range to account for both sides of the midpoint.
|
|
// tslint:disable-next-line:no-magic-numbers
|
|
return midpoint + ((Math.random() * (offset * 2)) - offset);
|
|
}
|