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Question by BenjaminWayra · Dec 24, 2019 at 01:15 PM · vector3mathfreflect

I don't understand how to use Vector3.reflect in Unity2D

I need to create a Ricochet effect between a bullet and a shield. I don't understand if I have to use this in my bullet or my shield I don't understand what does inDirection take in.

In general I already looked at the forums and I still don't understand. Help is appreciated.

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avatar image Hellium · Dec 24, 2019 at 01:18 PM 1
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The drawing in the documentation looks pretty clear:

Reflect

avatar image BenjaminWayra Hellium · Dec 24, 2019 at 04:49 PM 0
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I am talking about if it takes direction or velocity, how to reference it and also how to change speed

avatar image Hellium BenjaminWayra · Dec 24, 2019 at 05:43 PM 0
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inDirection can be a direction or a velocity.

If you want to decrease the velocity after impact, multiply the output vector by a "deceleration" factor (0.95f for instance)

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Answer by jinoh · Dec 24, 2019 at 05:24 PM

you can use like this "Vector2.Reflect(v1,v2)" v1 means the move direction of bullet and v2 means a Vector which is perpenticular to your shield surface

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avatar image BenjaminWayra · Dec 25, 2019 at 01:52 PM 0
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How can I get the normal of my shield, which would be v2?

avatar image jinoh BenjaminWayra · Dec 25, 2019 at 03:37 PM 0
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can you show me your shield shape?

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