Infratest/Assets/Code/Example/Race/Racer/CarControllerRB.cs

using System;
using System.Collections.Generic;
using UnityEngine; 

namespace Code.Example.Race.Racer
{
    public abstract class CarControllerRB : MonoBehaviour
    {
        public enum ControlMode
        {
            Keyboard,
            Buttons
        };

        public enum Axel
        {
            Front,
            Rear
        }

        [Serializable]
        public struct Wheel
        {
            public GameObject wheelModel;
            public WheelCollider wheelCollider;
            public GameObject wheelEffectObj;
            public ParticleSystem smokeParticle;
            public Axel axel;
        }

        public ControlMode control;

        public Vector3 _centerOfMass;

        public List<Wheel> wheels;

        protected Rigidbody CarRb;

        protected Vector2 SteeringInput = Vector2.zero;
        public abstract void SetSteering(Vector2 steeringLinear);
        
        [SerializeField] protected Racer racer;
        
        // private CarLights carLights;

        private void Start()
        {
            CarRb = GetComponent<Rigidbody>();
            CarRb.centerOfMass = _centerOfMass;

            // carLights = GetComponent<CarLights>();
        }

        protected virtual void Update()
        {
            // GetInputs();
            AnimateWheels();
            // WheelEffects();
        }

        private void FixedUpdate()
        {
            Move();
            Steer();
            Brake();
        }

        // public void MoveInput(float input)
        // {
        //     moveInput = input;
        // }
        //
        // public void SteerInput(float input)
        // {
        //     steerInput = input;
        // }

        void GetInputs()
        {
            // if (control == ControlMode.Keyboard)
            // {
            //     moveInput = Input.GetAxis("Vertical");
            //     steerInput = Input.GetAxis("Horizontal");
            // }
        }

        private void Move()
        {
            foreach (var wheel in wheels)
            {
                wheel.wheelCollider.motorTorque = SteeringInput.y * 600 * racer.Data.maxAcceleration * Time.fixedDeltaTime;
                // wheel.wheelCollider.motorTorque = _playerCarInput.MovementInput.y * 600 * _playerRacer.Data.maxAcceleration * Time.fixedDeltaTime;
            }
        }

        private void Steer()
        {
            foreach (var wheel in wheels)
            {
                if (wheel.axel != Axel.Front) continue;
                
                var steerAngle = SteeringInput.x * racer.Data.turnSensitivity * racer.Data.maxSteerAngle;
                // var _steerAngle = _playerCarInput.MovementInput.x * _playerRacer.Data.turnSensitivity * _playerRacer.Data.maxSteerAngle;
                wheel.wheelCollider.steerAngle = steerAngle;
                // wheel.wheelCollider.steerAngle = Mathf.Lerp(wheel.wheelCollider.steerAngle, _steerAngle, 0.6f);
            }
        }

        protected virtual void Brake()
        {
            //|| _playerCarInput.MovementInput.y == 0
            // if (_playerCarInput.Brake )
            // {
            //     foreach (var wheel in wheels)
            //     {
            //         wheel.wheelCollider.brakeTorque = 300 * _racer.Data.brakeAcceleration * Time.fixedDeltaTime;
            //     }
            //
            //     // carLights.isBackLightOn = true;
            //     // carLights.OperateBackLights();
            // }
            // else
            // {
            //     foreach (var wheel in wheels)
            //     {
            //         wheel.wheelCollider.brakeTorque = 0;
            //     }
            //
            //     // carLights.isBackLightOn = false;
            //     // carLights.OperateBackLights();
            // }
        }

        private void AnimateWheels()
        {
            foreach (var wheel in wheels)
            {
                Quaternion rot;
                Vector3 pos;
                wheel.wheelCollider.GetWorldPose(out pos, out rot);
                wheel.wheelModel.transform.position = pos;
                wheel.wheelModel.transform.rotation = rot;
            }
        }

        private void WheelEffects()
        {
            foreach (var wheel in wheels)
            {
                //var dirtParticleMainSettings = wheel.smokeParticle.main;

                if (wheel.axel == Axel.Rear && wheel.wheelCollider.isGrounded &&
                    CarRb.linearVelocity.magnitude >= 10.0f)
                {
                    // wheel.wheelEffectObj.GetComponentInChildren<TrailRenderer>().emitting = true;
                    // wheel.smokeParticle.Emit(1);
                }
                else
                {
                    // wheel.wheelEffectObj.GetComponentInChildren<TrailRenderer>().emitting = false;
                }
            }
        }
    }
}