old_contents: import AEntity from 'ember-aframe/components/a-entity';
  import { tag } from 'ember-awesome-macros';
  import { readOnly } from '@ember/object/computed';
  
  export default AEntity.extend({
    'data-test-a-link': readOnly('src'),
  
    classNames: ['link'],
    attributeBindings: [
      'event-set__1',
      'event-set__2',
      'event-set__3',
      'event-set__4',
    ],
  
    geometry: 'primitive: plane; height: 1; width: 1',
    material: tag`shader: flat; src: ${'thumb'}`,
    sound: 'on: click; src: #click-sound',
    'event-set__1': '_event: mousedown; scale: 1 1 1',
    'event-set__2': '_event: mouseup; scale: 1.2 1.2 1',
    'event-set__3': '_event: mouseenter; scale: 1.2 1.2 1',
    'event-set__4': '_event: mouseleave; scale: 1 1 1'
  });
  
new_contents: import AEntity from 'ember-aframe/components/a-entity';
  import { tag } from 'ember-awesome-macros';
  import { readOnly } from '@ember/object/computed';
  
  export default AEntity.extend({
    'data-test-a-link': readOnly('src'),
  
    classNames: ['link'],
    attributeBindings: [
      'event-set__mouseenter',
      'event-set__mouseleave'
    ],
  
    geometry: 'primitive: plane; height: 1; width: 1',
    material: tag`shader: flat; src: ${'thumb'}`,
    sound: 'on: click; src: #click-sound',
    'event-set__mouseenter': 'scale: 1.2 1.2 1',
    'event-set__mouseleave': 'scale: 1 1 1'
  });
  
subject: fix mouse over logic