A physics based and open source implementation of Car controller using joints.
Why support unrealistic physics when Unity and Nvidia have blessings on us :D
In case you dont scroll down, please watch this before using the script :D
https://www.youtube.com/watch?v=to0PY1DkyDc
Steps to use plugin
- Download the CarController script in your Assets
- Follow the steps in Realistic Car Controller in Unity
And ofcourse, if you dont have separate meshes for wheels and everything is in a single mesh, you could just make empty game objects, add the colliders and orient them properly instead of going back to 3D modelling software and breaking the mesh.