Question by YetiX · Jul 05, 2021 at 03:50 PM · unity 2d beginner collider2d direction

[Game like Pong] Trying to change direction with a boxcollider

Hi, I'm trying to get into making video games and I've started recreating pong. To create the top and bottom wall I have made a box collider and to try to change the direction I have used this code

  public movBall ball1;
     // Start is called before the first frame update
     private void OnCollisionEnter2D(Collision2D collision)
     {
         if(collision.transform.CompareTag("ball"))
         {
            if(ball1.movx == 1f && ball1.movy == 1f)
             {
                 pelota.movy = -1f;
             }
            else if(ball1.movx == -1f && ball1.movy == 1f)
             {
                 pelota.movy = -1f;
             }
             else if (ball1.movx == -1f && ball1.movy == -1f)
             {
                 ball1.movy = 1f;
             }
             else if (ball1.movx == 1f && ball1.movy == -1f)
             {
                 ball1.movy = 1f;
             }
         }
 
     }

MovBall is the class where all the code for the ball to move is, where movx is the movement in x-axis and movy is the movement in y-axis. The problem is that when I start the game it doesn't work and the ball just goes through the box collider.

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