2D Pong Ball Not Reflecting Off Walls "Exactly"

Question

Hi. New to Unity. Making Pong. Here's a GIF of the problem I'm facing:

Problem Animation

As you can see, when the ball hits a wall at a certain angle, it no longer reflects off.

The ball has a Rigidbody2D and a BoxCollider2D with a material that's bounciness==1 and friction==0`.

The walls are made up of BoxCollider2D's.

So far as I can tell, this "lack of bounciness" is normal behavior for such angles.

However, is there any way to get around this?

Perhaps manually messing with the ball's velocity via it's OnCollisionEnter2D method?

PS - My source code can be found here.

Edit: Looks like this guy had the same issue, but unfortunately didn't find a solution.

Answer 1

Best Answer

Answer by meat5000 · Mar 07, 2015 at 02:47 AM

Lower your Velocity Threshold to 0.1

Project Settings -> Physics2D

Described as "Any collisions with a relative linear velocity below this threshold will be treated as in-elastic"

alt text

animation-0.gif (429.7 kB)

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Joncom · Mar 08, 2015 at 06:17 AM 0

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Awesome! Thank you :)

retr0rockit · Jul 04, 2018 at 12:23 AM 0

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Agree, just awesome! Fixed this issue across the top of my court with the simple handball game I was developing as my first unity project. Thanks!