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Question by tcz8 · Nov 09, 2016 at 09:07 PM · physicsrigidbodybounce

Rigidbody wont bounce off other rigidbody, why?

I have 2 rigidbodies each setup with a collider and the default bouncy material

When the first rigidbody hits the second one it goes to a full stop.

Is that normal behavior? Is there a way to have them bounce against each other instead?

FYI they are not set to kinematic. If I set one of them to kinematic it does bounce but then it creates a problem were the object is now able to get out of the playing field's limits that are setup with colliders.

Thanks.

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avatar image zzymax · Feb 21, 2019 at 10:51 AM 0
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Did you use a physical matieral? Or Did you set Bounciness of the physical material larger than zero ? However, I recommend you to read this article: https://unity3d.com/learn/tutorials/topics/physics/bouncing-ball

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Answer by Brylos · Nov 10, 2016 at 07:25 AM

Maybe the mass is high on one and low on the other?

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avatar image tcz8 · Feb 16, 2017 at 03:24 PM 0
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Hi,

The mass is the same, it's set to 1.

In my description above, the second object is not moving at the time of impact.

I read there were issues with the scale of the playing field that could affect how physic reacts but I am not sure at which scale this starts being an issue.

$$anonymous$$y moving object is a simple sphere with scale of 1,1,1 and when it goes accross the entire playing field its max travel is about 1800 units on the ZX plane (top down view). $$anonymous$$ovement on the Y axis is frozen, so is the rotation on XYZ.

I tried playing with the settings of the bouncy material but it didnt seem to affect anything. I tried to set the material of the second object (the one thats not moving) to metallic, thinking making it hard may help the ball bounce... but no.

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