class Shrapnel : ActionRole {

    @CostumeAttribute
    var offset : Vector2

    var parent : Actor

    val velocity = Vector2()

    val g = Vector2( 0, -100 )

    fun explode( parent : Actor ) {

        this.parent = parent
        actor.scale.set( parent.scale )

        offset *= actor.scale

        velocity.set( offset )
        velocity *= 5

        replaceAction(
            Follow( actor.position, parent.position, offset ) and
            // Actually this adds a velocity to the position!
            Accelerate( offset, velocity ) and
            // This one IS actually an acceleration!
            Accelerate( velocity, g ) and
            Turn( actor.direction, if (offset.x < 0) 180 else -180 )
        )
    }

}