silphius/app/ecs/components/ticking.js

import Component from '@/ecs/component.js';

export default class Ticking extends Component {
  instanceFromSchema() {
    return class TickingInstance extends super.instanceFromSchema() {

      $$finished = [];
      $$tickers = [];

      add(ticker) {
        this.$$tickers.push(ticker);
        ticker.then(() => {
          this.$$finished.push(ticker);
        });
      }

      reset() {
        this.$$finished = [];
        this.$$tickers = [];
      }

      tick(elapsed) {
        for (const ticker of this.$$finished) {
          this.$$tickers.splice(
            this.$$tickers.indexOf(ticker),
            1,
          );
        }
        this.$$finished = [];
        for (const ticker of this.$$tickers) {
          ticker.tick(elapsed);
        }
      }

    }
  }
  static properties = {
    isTicking: {defaultValue: 1, type: 'uint8'},
  };
}