/**
* TimeLimiter limits the number of items handled by a PIXI.BasePrepare to a specified
* number of milliseconds per frame.
* @memberof PIXI
*/
export class TimeLimiter
{
/** The maximum milliseconds that can be spent preparing items each frame. */
public maxMilliseconds: number;
/**
* The start time of the current frame.
* @readonly
*/
public frameStart: number;
/** @param maxMilliseconds - The maximum milliseconds that can be spent preparing items each frame. */
constructor(maxMilliseconds: number)
{
this.maxMilliseconds = maxMilliseconds;
this.frameStart = 0;
}
/** Resets any counting properties to start fresh on a new frame. */
beginFrame(): void
{
this.frameStart = Date.now();
}
/**
* Checks to see if another item can be uploaded. This should only be called once per item.
* @returns - If the item is allowed to be uploaded.
*/
allowedToUpload(): boolean
{
return Date.now() - this.frameStart < this.maxMilliseconds;
}
}