class Speech : ActionRole {

    val offset = Vector2( 0, 30 )
    val textOffset = Vector2( 0, 110 )

    var textA : Actor


    fun speak( parent : Role, text : String, seconds : double, color : Color ) {
        textA = actor.createChild( "text" )
        textA.textAppearance.text = text

        textA.role = ActionRole(
            Follow( textA.position, parent.actor.position, textOffset )
        )

        actor.resize( textA.width() + 60, textA.height() + 100 )
        offset.x = 80 - actor.width() / 2
        textOffset.x = offset.x

        actor.scaleXY = 0.1
        actor.color = color.copy()
        textA.color.alpha = 0

        replaceAction( 
            (
                Follow( actor.position, parent.actor.position, offset ).forSeconds( seconds ) and
                ( ScaleTo( actor, 0.2, 1,  Eases.easeIn ) then Fade( textA.color, 0.2, 1 ) ) and
                ( Delay( seconds-1 ) then (Fade(actor.color, 1, 0) and Fade(textA.color, 1, 0) ) )
            ) then Kill( actor )
        )
    }

    // Removes the speech bubble immediately
    fun stop() {
        actor.die()
    }
        
    override fun end() {
        if ( textA != null ) {
            textA.die()
            textA = null
        }
    }
}