//Collision control between mBall and another big ball
    private boolean updateBallCollision(float x, float y) {
        //Get actual distance (without square root - remember?) between the mBall and the ball being checked
        float distanceBetweenBallAndPaddle = (x - mBallX) * (x - mBallX) + (y - mBallY) *(y - mBallY);

        //Check if the actual distance is lower than the allowed => collision
        if(mMinDistanceBetweenBallAndPaddle >= distanceBetweenBallAndPaddle) {
            //Get the present speed (this should also be the speed going away after the collision)
            float speedOfBall = (float) Math.sqrt(mBallSpeedX*mBallSpeedX + mBallSpeedY*mBallSpeedY);

            //Change the direction of the ball
            mBallSpeedX = mBallX - x;
            mBallSpeedY = mBallY - y;

            //Get the speed after the collision
            float newSpeedOfBall = (float) Math.sqrt(mBallSpeedX*mBallSpeedX + mBallSpeedY*mBallSpeedY);

            //using the fraction between the original speed and present speed to calculate the needed
            //velocities in X and Y to get the original speed but with the new angle.
            mBallSpeedX = mBallSpeedX * speedOfBall / newSpeedOfBall;
            mBallSpeedY = mBallSpeedY * speedOfBall / newSpeedOfBall;

            return true;
        }

        return false;
    }