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billiard/pool balls

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Hi

I am doing a pool simulator (billiard) and have found a problem im not sure of how it works in real life. When 2 balls collide they impart rotation onto each other ( this i have tested my self and found true ) but im confused as to how much? i can work out the tangential velocities of the balls at the point they collide and this i guess combined with some coefficient of friction would do the trick, but is this how it works? is friction dependant on velocity?

sorry if confusingly explained and for the english.

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Hi there,

There ae already a few tutorials covering this topic. Here are a few good ones found by googling "pool physics"
I've implemented some of these myself, and it works just fine!

http://www.gamasutra.com/view/feature/3168/physics_on_the_back_of_a_cocktail_.php
http://archive.ncsa.illinois.edu/Classes/MATH198/townsend/math.html
http://www.real-world-physics-problems.com/physics-of-billiards.html

Cheers,
Mike Edited by h4tt3n

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thank you H4tt3n. I have read your links and they were indeed helpfull, especially nr 2 wich covered the issue i asked.
thank you!

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