code: function Ellipse(x, y, width, height)
  {
      /**
       * @member {number}
       * @default 0
       */
      this.x = x || 0;
  
      /**
       * @member {number}
       * @default 0
       */
      this.y = y || 0;
  
      /**
       * @member {number}
       * @default 0
       */
      this.width = width || 0;
  
      /**
       * @member {number}
       * @default 0
       */
      this.height = height || 0;
  
      /**
       * The type of the object, mainly used to avoid `instanceof` checks
       *
       * @member {number}
       */
      this.type = CONST.SHAPES.ELIP;
  }
docs: The Ellipse object can be used to specify a hit area for displayObjects
  
  @class
  @memberof PIXI
  @param x {number} The X coordinate of the center of the ellipse
  @param y {number} The Y coordinate of the center of the ellipse
  @param width {number} The half width of this ellipse
  @param height {number} The half height of this ellipse