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Question by GreatOscarF · May 07, 2020 at 07:56 PM · rigidbody2dforcesimulation

Gas molecule movement simulation - simple

So I'm trying to do something really simple even the questions sounds confusing. I basically want to simulate a gas particle - which at the beginning has a random rotation and goes in a random direction with constant movement and when it hits a wall it hits a wall like a normal ball basically. It also needs to be able to collide with other particles.

I've tried a bunch of things which I don't think are worth posting because they didn't work.

Help would be VERY VERY much appreciated!

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Answer by TechTayyab · May 07, 2020 at 09:16 PM

Try Particle System and Unity's built in particle system already supports collision. You need to look into the Collision Module that is already on particle systems. See this

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avatar image GreatOscarF · May 07, 2020 at 09:20 PM 0
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@TechTayyab This doesn't seem bad - but I'm struggling with the scripting side which seems like I would still need to write...

avatar image TechTayyab · May 07, 2020 at 09:29 PM 0
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What in specific you want to do with actual game object that cannot be done with particle system?

avatar image GreatOscarF · May 07, 2020 at 09:34 PM 0
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@TechTayyab Well I'm not all that experienced with the particle system but I need the ability to manipulate speed, change direction, mirror the angle when hitting the wall and not have them "disperse" in the way that the particle system does - I want them kinda like just a set amount that each start in a place preferably.

avatar image TechTayyab · May 07, 2020 at 09:41 PM 0
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Particle Sytem can do pretty much everything I guess that you need with much less coding effort. Go through this: link text

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