BNG_Pong_paddlecoll1

// if ball is aligned with paddle1 on x plane
// remember the position is the CENTER of the object
// we only check between the front and the middle of the paddle (one-way collision)

if (ball.position.x <= paddle1.position.x + paddleWidth
&&  ball.position.x >= paddle1.position.x)
{
	// and if ball is aligned with paddle1 on y plane

	if (ball.position.y <= paddle1.position.y + paddleHeight/2
	&&  ball.position.y >= paddle1.position.y - paddleHeight/2)
	{
        // ball is intersecting with the front half of the paddle
	}	
}