Tracks – Custom raycasting - ac-custom-shaders-patch/acc-extension-config GitHub Wiki

To find where tyres come to contact with ground AC casts rays against laserscanned (or not) meshes. In some cases though it might be not the most optimal way for you, for example if you have track heightmap in a form of a high-detailed 2D map. In that case now you can provide a custom raycaster.