BNG_Pong_Changeballcollision

// if ball goes off the top side (side of table)
if (ball.position.y <= -fieldHeight/2)
{
    ballDirY = -ballDirY;
}	

// if ball goes off the bottom side (side of table)
if (ball.position.y >= fieldHeight/2)
{
    ballDirY = -ballDirY;
}

//// --------------------------------- ////
            CHANGED CODE
//// --------------------------------- ////

// if ball goes off the 'left' side (Player's side)
if (ball.position.x <= -fieldWidth/2)
{    
    // CPU scores a point
    // update scoreboard
    // and reset ball
}

// if ball goes off the 'right' side (CPU's side)
if (ball.position.x >= fieldWidth/2)
{
    // player scores a point
    // update scoreboard
    // and reset ball
}