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Question by nemoryoliver · Mar 26, 2013 at 04:27 PM · charactercontrollergravitysidescrollerairplane

How to Set Gravity to a specific Object?

I saw CharacterMotor but isn't there a built in way to set the gravity of a specific object, lets say a sphere without gravity and all the other object has gravity? The object needs to be dynamic too not kenematic. Basically I wanted to make a sidescroller airplane that I can move. Also can there be different Physics configuration to different objects?

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Answer by DaveA · Mar 26, 2013 at 04:28 PM

If it has a RigidBody, you can turn off gravity on that.

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avatar image nemoryoliver · Mar 26, 2013 at 04:37 PM 0
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I am using Lerpz from 2D Tutorial. and it has no rigidbody. I have tried to attach a RigidBody Component to my character and unchecked the use gravity and still doesn't work. Thanks a lot for your quick responses.

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Answer by whydoidoit · Mar 26, 2013 at 04:32 PM

You can't set gravity for a specific object - I wish I could do that in the real world, but PhysX like the real world doesn't allow it!

You can apply a constant force to an object to keep it in the air though, which you can use to specify your own gravity:

   public Vector3 gravityForThisObject;

    void OnFixedUpdate()
    {
         rigidbody.AddForce((gravityForThisObject-Physics.gravity) * rigidbody.mass);
    }
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avatar image nemoryoliver · Mar 26, 2013 at 04:38 PM 0
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I am using Lerpz from 2D Tutorial. and it has no rigidbody. I have tried to attach a RigidBody Component to my character and unchecked the use gravity and still doesn't work. Thanks a lot for your quick responses.

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Answer by nemoryoliver · Mar 26, 2013 at 05:15 PM

This is the setup of my character.

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