LimeJS Sprite clone method

gistfile1.js

lime.Node.prototype.clone = function() {
  var copy = new this.constructor()
    .setScale(this.getScale())
    .setPosition(this.getPosition())
    .setSize(this.getSize())
    .setAnchorPoint(this.getAnchorPoint())
    .setRotation(this.getRotation())
    .setAutoResize(this.getAutoResize())
    .setOpacity(this.getOpacity());
  for (var i = 0; i < this.children_.length; i++) {
    copy.appendChild(this.children_[i].clone());
  }
  return copy;
};

lime.Sprite.prototype.clone = function() {
  return goog.base(this, 'clone')
    .setFill(this.getFill())
    .setStroke(this.getStroke());
};

lime.Label.prototype.clone = function() {
  return goog.base(this, 'clone')
    .setText(this.getText())
    .setFontFamily(this.getFontFamily())
    .setFontSize(this.getFontSize())
    .setFontColor(this.getFontColor())
    .setAlign(this.getAlign())
    .setFontWeight(this.getFontWeight())
    .setPadding(this.getPadding())
    .setLineHeight(this.getLineHeight())
    .setShadowColor(this.getShadowColor())
    .setShadowBlur(this.getShadowBlur())
    .setShadowOffset(this.getShadowOffset());
};