72 lines
1.4 KiB
JavaScript
72 lines
1.4 KiB
JavaScript
import {compose, TickingPromise} from '@avocado/core';
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import {TransitionResult} from '@avocado/timing';
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import {StateProperty, Trait} from '../trait';
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const decorate = compose(
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StateProperty('name'),
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StateProperty('isTicking'),
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);
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export class Existent extends decorate(Trait) {
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static defaultState() {
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return {
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name: 'Untitled entity',
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isTicking: true,
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};
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}
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static type() {
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return 'existent';
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}
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constructor(entity, params, state) {
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super(entity, params, state);
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this._isDestroying = false;
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this._isTicking = this.params.isTicking;
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}
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methods() {
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return {
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destroy: () => {
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if (this._isDestroying) {
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return;
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}
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this._isDestroying = true;
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this.entity.isTicking = false;
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this.entity.emit('destroy');
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this.entity.emit('destroyed');
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},
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destroyGently: () => {
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if (this.entity.is('alive')) {
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this.entity.forceDeath();
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}
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else {
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this.entity.destroy();
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}
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},
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transition: (props, duration, easing) => {
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const result = new TransitionResult(
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this.entity,
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props,
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duration,
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easing
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);
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const promise = new TickingPromise((resolve) => {
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resolve(result.promise);
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});
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promise.ticker = (elapsed) => {
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result.tick(elapsed);
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}
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return promise;
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},
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};
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}
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}
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