How do I increase speed after collision?

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Just like the title asked. How do I increase speed after collision? Also, how do I avoid passing through objects at a high speed?

2 Answers

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I don't know about objects passing through objects, but I believe increasing speed after a collision would be accomplished using:

http://unity3d.com/support/documentation/ScriptReference/Vector3.Reflect.html

and applying that at whatever magnitude you want using

http://unity3d.com/support/documentation/ScriptReference/Rigidbody.AddForce.html

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Also, how do I avoid passing through objects at a high speed?

If you are using physics do NOT use transform translation to move objects. Only use the ridgidbody to move your object

If that fails to work for you you can use this

Dont Go Through Things