Particle system world collision problem in unity3D 4.3

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Hi every body , i have problem with particle system on unity4.3 , i want to move particles on a tube , but the problem is that some of particles movie outside the scope of tube
i set Mesh collider for tube and world collision for particle system
how can slove this problam ?
thanks

One thing you need to know about collision is that the velocity of your objects is important. For example, if your "world" have a collider that is 1 unit large, if your particle is moving more than one unit in a frame, it will go through the collider.

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@joskym how can i set particle moving unit ?

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@mahdi68 You can set it in the Particle System. Try different values.

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1 Answer

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OnParticleCollision should solve your problem