private void CheckCollisionsWithBall() { var leftCollide = _physicsService.CheckPaddleCollideWithBall(_leftPaddle, _gameBall); var rightCollide = _physicsService.CheckPaddleCollideWithBall(_rightPaddle, _gameBall); var courtCollide = _physicsService.CheckBallCollideWithWall(this, _gameBall); _gameBall.ChangeMovementFromCollide(leftCollide); _gameBall.ChangeMovementFromCollide(rightCollide); _gameBall.ChangeMovementFromCollide(courtCollide); }