void OnPongBallInstanceVsBorderInstanceCollisionOccurred(PongNewTry.Entities.PongBall first, PongNewTry.Entities.Border second) { }
void OnPongBallInstanceVsBorderInstanceCollisionOccurredTunnel(PongNewTry.Entities.PongBall first, PongNewTry.Entities.Border second) { if (this.PongBallInstanceVsBorderInstanceCollisionOccurred != null) { PongBallInstanceVsBorderInstanceCollisionOccurred(first, second); } }