Component.scala

trait Component[A <: Component[A]]

trait Drawable[A <: Drawable[A] with Coordinates[A]] extends Component[A]

trait Coordinates[A <: Coordinates[A]] extends Component[A] {
  def x: Int

  def y: Int
}

trait Sizeable[A <: Sizeable[A]] extends Component[A] {
  def w: Int
  
  def h: Int
}