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Question by Anoki · Jul 22, 2013 at 04:19 PM · gravitycarsstickingtunnel

Gravity for tunnel

I want to drive a vehicle on all side of a tunnel, bottom side and ceiling with out falling because of the gravity.How can i do this?

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Answer by Anoki · Jul 22, 2013 at 04:57 PM

thank for your help, I appreciate.

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Answer by robertbu · Jul 22, 2013 at 04:25 PM

There are many posts about faux-gravity. The idea is that you apply a force on your character towards the surface you want to adhere to. You can get the vector to apply the force mathematically, or you can use raycasting to get the normal to the surface if the surface is not uniform. Google for some combination of 'tube', 'tunnel', 'sphere', 'inside', 'gravity', for a number of posts with some scripts. Here are a few hits:

http://answers.unity3d.com/questions/56494/custom-gravity-based-on-normal-vector-and-rigidbod.html

http://forum.unity3d.com/threads/8873-Faux-Gravity-making-my-brain-spin-Help!

http://answers.unity3d.com/questions/253809/gravity-inside-spherenot-like-mario-galaxy.html

http://answers.unity3d.com/questions/436294/rigidbody-rotation-around-centerofmass.html?sort=newest

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avatar image amphoterik · Jul 22, 2013 at 05:11 PM 0
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@Anoki if this solved your problem you should mark it as the answer. It helps future readers and gives you karma.

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