car drives, no suspension

Assets/Scripts/WheelController.cs

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+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class WheelController : MonoBehaviour
+{
+    [SerializeField] WheelCollider frontRightWheelCollider;
+    [SerializeField] WheelCollider frontLeftWheelCollider;
+    [SerializeField] WheelCollider rearRightWheelCollider;
+    [SerializeField] WheelCollider rearLeftWheelCollider;
+
+    //wheel meshes
+    [SerializeField] Transform frontRightWheel;
+    [SerializeField] Transform frontLeftWheel;
+    [SerializeField] Transform rearRightWheel;
+    [SerializeField] Transform rearLeftWheel;
+
+    public float acceleration = 500f;
+    public float breakingForce = 300f;
+    public float maxTurnAngle = 15f;
+
+    private float currentAcceleration = 0f;
+    private float currentBrakeForce = 0f;
+    private float currentTurnAngle = 0f;
+
+    private void FixedUpdate() {
+        //forward reverse input
+        currentAcceleration = acceleration * Input.GetAxis("Vertical");
+
+        //breaking input
+        if(Input.GetKey(KeyCode.Space)){
+            currentBrakeForce = breakingForce;
+        }else{
+            currentBrakeForce = 0f;
+        }
+
+        //apply acceleration to front wheels| (this determines which wheel drive is the car (fwd, awd, rwd))
+        rearRightWheelCollider.motorTorque = currentAcceleration; 
+        rearLeftWheelCollider.motorTorque = currentAcceleration;
+
+        //break applies to all four wheels
+        frontRightWheelCollider.brakeTorque = currentBrakeForce; 
+        frontRightWheelCollider.brakeTorque = currentBrakeForce; 
+        frontRightWheelCollider.brakeTorque = currentBrakeForce; 
+        frontRightWheelCollider.brakeTorque = currentBrakeForce;
+
+        //steering
+        currentTurnAngle = maxTurnAngle * Input.GetAxis("Horizontal");
+        frontLeftWheelCollider.steerAngle = currentTurnAngle;
+        frontRightWheelCollider.steerAngle = currentTurnAngle;
+
+        //update wheel meshes
+        UpdateWheel(frontLeftWheelCollider, frontLeftWheel);
+        UpdateWheel(frontRightWheelCollider, frontRightWheel);
+        UpdateWheel(rearLeftWheelCollider, rearLeftWheel);
+        UpdateWheel(rearRightWheelCollider, rearRightWheel);
+    }
+
+    private void UpdateWheel(WheelCollider collider, Transform wheel){
+        //get collider state
+        Vector3 position;
+        Quaternion rotation;
+
+        collider.GetWorldPose(out position, out rotation); //puts it into position and rotation
+
+        //set wheel state
+        wheel.position = position;
+        wheel.rotation = rotation;
+    }
+}