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Question by jinsung486 · Mar 27, 2014 at 09:06 AM · collisionelastic

How to make a perfect elastic collision.

Hi, I am beginner. I want to realize perfect elastic collision.

So, I set my sphere's material bouncy.

In the bouncy inspector, I set the value of bounciness 1 to make a perfect elastic collision.

Also, all friction value is 0.

However, there is a problem.

In the perfect elastic collision, the height of the sphere is constant in the constant gravity, but my sphere's height is more more higher.

What's my problem?????????

Please Help me.

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avatar image Leuthil · Mar 27, 2014 at 12:54 PM 0
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You are saying all friction values are 0 but is that also on the walls that you are bouncing against? $$anonymous$$eep in $$anonymous$$d that if no physics material is set then it will use a default one.

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Answer by tanz94 · Dec 29, 2014 at 04:41 PM

You have to conserve angular momentum before and after collision.You can follow these videos for better understanding https://www.youtube.com/watch?v=RnFAQnm32M8 .Soon a blog will be written on it.

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