void DoAnim(BackgroundPlaneAnim activeBack, bool withAlpha = true)
{
Action<BackgroundPlaneAnim> onAnimFinish = (bp) =>
{
bp.FadeOut();
this.SwapBacksPositions();
this.SetNextTextureIndex();
BackgroundPlaneAnim newBp = this.GetNextActiveBack(bp);
this.DoAnim(newBp);
};
activeBack.SetTexture(this._textures[this._currentTextureIndex]);
activeBack.DoAnim(withAlpha, onAnimFinish);
}
BackgroundPlaneAnim GetNextActiveBack(BackgroundPlaneAnim bp)
{
return bp == this.back1 ? this.back2 : this.back1;
}