61 lines
2.2 KiB
JavaScript
61 lines
2.2 KiB
JavaScript
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"use strict";
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var core = require("@pixi/core");
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class EventsTickerClass {
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constructor() {
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this.interactionFrequency = 10, this._deltaTime = 0, this._didMove = !1, this.tickerAdded = !1, this._pauseUpdate = !0;
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}
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/**
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* Initializes the event ticker.
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* @param events - The event system.
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*/
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init(events) {
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this.removeTickerListener(), this.events = events, this.interactionFrequency = 10, this._deltaTime = 0, this._didMove = !1, this.tickerAdded = !1, this._pauseUpdate = !0;
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}
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/** Whether to pause the update checks or not. */
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get pauseUpdate() {
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return this._pauseUpdate;
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}
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set pauseUpdate(paused) {
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this._pauseUpdate = paused;
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}
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/** Adds the ticker listener. */
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addTickerListener() {
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this.tickerAdded || !this.domElement || (core.Ticker.system.add(this.tickerUpdate, this, core.UPDATE_PRIORITY.INTERACTION), this.tickerAdded = !0);
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}
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/** Removes the ticker listener. */
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removeTickerListener() {
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this.tickerAdded && (core.Ticker.system.remove(this.tickerUpdate, this), this.tickerAdded = !1);
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}
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/** Sets flag to not fire extra events when the user has already moved there mouse */
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pointerMoved() {
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this._didMove = !0;
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}
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/** Updates the state of interactive objects. */
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update() {
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if (!this.domElement || this._pauseUpdate)
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return;
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if (this._didMove) {
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this._didMove = !1;
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return;
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}
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const rootPointerEvent = this.events.rootPointerEvent;
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this.events.supportsTouchEvents && rootPointerEvent.pointerType === "touch" || globalThis.document.dispatchEvent(new PointerEvent("pointermove", {
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clientX: rootPointerEvent.clientX,
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clientY: rootPointerEvent.clientY
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}));
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}
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/**
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* Updates the state of interactive objects if at least {@link PIXI.EventsTicker#interactionFrequency}
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* milliseconds have passed since the last invocation.
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*
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* Invoked by a throttled ticker update from {@link PIXI.Ticker.system}.
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* @param deltaTime - time delta since the last call
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*/
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tickerUpdate(deltaTime) {
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this._deltaTime += deltaTime, !(this._deltaTime < this.interactionFrequency) && (this._deltaTime = 0, this.update());
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}
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}
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const EventsTicker = new EventsTickerClass();
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exports.EventsTicker = EventsTicker;
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//# sourceMappingURL=EventTicker.js.map
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