/**
* CountLimiter limits the number of items handled by a {@link PIXI.prepare.BasePrepare} to a specified
* number of items per frame.
*
* @class
* @memberof PIXI
*/
export default class CountLimiter
{
/**
* @param {number} maxItemsPerFrame - The maximum number of items that can be prepared each frame.
*/
constructor(maxItemsPerFrame)
{
/**
* The maximum number of items that can be prepared each frame.
* @private
*/
this.maxItemsPerFrame = maxItemsPerFrame;
/**
* The number of items that can be prepared in the current frame.
* @type {number}
* @private
*/
this.itemsLeft = 0;
}
/**
* Resets any counting properties to start fresh on a new frame.
*/
beginFrame()
{
this.itemsLeft = this.maxItemsPerFrame;
}
/**
* Checks to see if another item can be uploaded. This should only be called once per item.
* @return {boolean} If the item is allowed to be uploaded.
*/
allowedToUpload()
{
return this.itemsLeft-- > 0;
}
}