BNG_Pong_paddlecollComplete

// Handles paddle collision logic
function paddlePhysics()
{
    // PLAYER PADDLE LOGIC

	// 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)
		{
			// and if ball is travelling towards player (-ve direction)
			if (ballDirX < 0)
			{
				// stretch the paddle to indicate a hit
				paddle1.scale.y = 15;
				// switch direction of ball travel to create bounce
				ballDirX = -ballDirX;
				// we impact ball angle when hitting it
				// this is not realistic physics, just spices up the gameplay
				// allows you to 'slice' the ball to beat the opponent
				ballDirY -= paddle1DirY * 0.7;
			}
		}
	}

	// OPPONENT PADDLE LOGIC	

	// if ball is aligned with paddle2 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 <= paddle2.position.x + paddleWidth
	&&  ball.position.x >= paddle2.position.x)
	{
		// and if ball is aligned with paddle2 on y plane
		if (ball.position.y <= paddle2.position.y + paddleHeight/2
		&&  ball.position.y >= paddle2.position.y - paddleHeight/2)
		{
			// and if ball is travelling towards opponent (+ve direction)
			if (ballDirX > 0)
			{
				// stretch the paddle to indicate a hit
				paddle2.scale.y = 15;	
				// switch direction of ball travel to create bounce
				ballDirX = -ballDirX;
				// we impact ball angle when hitting it
				// this is not realistic physics, just spices up the gameplay
				// allows you to 'slice' the ball to beat the opponent
				ballDirY -= paddle2DirY * 0.7;
			}
		}
	}
}