abstract class Collectable : Item {

    override fun collectable() = true

    abstract fun collected( movement : Movement )

    override fun invading( movement : Movement ) {
        if ( movement.item.isPlayer() ) {
            actor.event( "collected" )
            replaceAction( ScaleTo( actor, 0.1, 0.2 ) )
            collected( movement )
        }
    }

    override fun invaded( movement : Movement ) : boolean {
        actor.die()
        return true
    }
}