private void OnCollisionEnter(Collision collision)
{
BallPhysics biggerBall = this;
BallPhysics otherBall = collision.gameObject.GetComponent <BallPhysics>();
if (otherBall._rigidBody.mass > biggerBall._rigidBody.mass)
{
BallPhysics temp = otherBall;
otherBall = biggerBall;
biggerBall = temp;
}
HandleCollistion(biggerBall, otherBall, _ballsCreator);
biggerBall.CheckIfSplitBall();
}