Haha this idea is so satisfying that I also made a game with the goal of running over zombies. Somehow my car flipped over in one drive and there is no way to respawn it, so I was forced to stop playing. Also it's really dark and I would like to be able to see a little bit more of the road. Now that I have spent 3-4 weeks on a car game as well, I appreciate how well your car controls.
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Yes indeed! Its inspired from state of decay game, and my apologies for the flip I knew that might happen but I didnt fix it, because for some reason the car automatically reflipped when I was testing it, because I was using the wheel colliders with a lot of motor force. I purposely want the player to not see the zombies so when you slam into them you might get scared? or so I thought XD, I wont lie but I did use chatgpt for the programming help and I truly think wheel colliders do take time to understand and same for the car physics, If you noticed thier is no drifting in my car which I did want to add as well. Thanks for playing!
Indeed, car physics is a lot harder than you might expect. I tried using wheel colliders at first, but eventually decided to not use the built-in physics engine to apply forces. The wheels use physics materials, though, which are helpful. It's a lot easier to control that way, but then it introduces other issues like collider clipping that you have to account for.
if you want to use wheel colliders then you have to be very exact with the setup you are using in unity. And tbh wheel collider is like all in one thing, suspension,tire grip, moving the car stopping the car etc. If you want kinda like a smoother and relatively realistic driving experience you should try using wheel colliders. Alsooo the wheel colliders actually don't need physic materials. Everything is kinda self contained. I never had collider clipping issues with physic materials but I never explored them as much so am not sure too.