text: import { UUID } from '../utils/index.js';
  
  class System
  {
    constructor ( )
    {
      Object.defineProperties( this, {
        uuid: { value: UUID( ), writable: false },
        isSystem: { value: true, writable: false }
      } );
  
      this.parent = null;
      this.components = [ ];
    }
  
    update ( entities, dt )
    {
      this.onUpdate( entities, dt );
    }
  
    onUpdate ( entities, dt )
    {
  
    }
  }
  
  export default System;