public void draw(SpriteBatch sb)
{
sb.Draw(this.horizontal, new Rectangle(parent.getX(), parent.getY(), parent.getWidth(), this.thickness), Color.White);
sb.Draw(this.horizontal, new Rectangle(parent.getX(), parent.getY() + (parent.getHeight() - this.thickness), parent.getWidth(), this.thickness), Color.White);
sb.Draw(this.vertical, new Rectangle(parent.getX(), parent.getY(), this.thickness, parent.getHeight()), Color.White);
sb.Draw(this.vertical, new Rectangle(parent.getX() + (parent.getWidth() - this.thickness), parent.getY(), this.thickness, parent.getHeight()), Color.White);
sb.Draw(this.corner, new Rectangle(parent.getX(), parent.getY(), this.thickness, this.thickness), Color.White);
sb.Draw(this.corner, new Rectangle(parent.getX() + (parent.getWidth() - this.thickness), parent.getY(), this.thickness, this.thickness), Color.White);
sb.Draw(this.corner, new Rectangle(parent.getX(), parent.getY() + (parent.getHeight() - this.thickness), this.thickness, this.thickness), Color.White);
sb.Draw(this.corner, new Rectangle(parent.getX() + (parent.getWidth() - this.thickness), parent.getY() + (parent.getHeight() - this.thickness),
this.thickness, this.thickness), Color.White);
}