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public bool GetGroundHit(out WheelHit hit);


Gets ground collision data for the wheel.

If the wheel collides with something, returns true and fills the hit structure. If the wheel is not colliding, returns false and leaves hit structure unchanged.

The reported hit is always the closest one. Because the tire friction model does not automatically respond to other PhysicMaterials, any simulation of different ground materials must be done manually by adjusting forwardFriction and sidewaysFriction based on collider's material returned here.

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