import {System} from '@/ecs/index.js';

export default class ApplyMomentum extends System {

  static queries() {
    return {
      default: ['Position', 'Momentum'],
    };
  }

  tick(elapsed) {
    for (const [position, momentum] of this.select('default')) {
      position.x += elapsed * momentum.x;
      position.y += elapsed * momentum.y;
    }
  }

}