code: function RoundedRectangle(x, y, width, height, radius)
  {
      /**
       * @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;
  
      /**
       * @member {number}
       * @default 20
       */
      this.radius = radius || 20;
  
      /**
       * The type of the object, mainly used to avoid `instanceof` checks
       *
       * @member {number}
       */
      this.type = CONST.SHAPES.RREC;
  }
docs: The Rounded Rectangle object is an area that has nice rounded corners, as indicated by its top-left corner point (x, y) and by its width and its height and its radius.
  
  @class
  @memberof PIXI
  @param x {number} The X coordinate of the upper-left corner of the rounded rectangle
  @param y {number} The Y coordinate of the upper-left corner of the rounded rectangle
  @param width {number} The overall width of this rounded rectangle
  @param height {number} The overall height of this rounded rectangle
  @param radius {number} Controls the radius of the rounded corners