In my game, you can upgrade the tires. the real difference between tires is the stiffness on the wheel collider. I want the stiffness of the wheel to be changed by a script, but when I use the WheelCollider.forwardfriction.stifness , I get an error. I think you can also use WheelFrictioCurve. ive tried, but cant see the difference. how do i change the wheel collider stiffness with a script?
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