update

Assets/Scripts/DebugInfo.cs

@@ -0,0 +1,8 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class DebugInfo : MonoBehaviour
+{
+    
+}

Assets/Scripts/DebugInfo.cs.meta

@@ -0,0 +1,11 @@
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+guid: 6f97ad1a9bdec0d4eb723002348f6a94
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
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+  assetBundleVariant: 

Assets/Scripts/Quit.cs

@@ -0,0 +1,10 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class Quit : MonoBehaviour
+{
+    private void Update() {
+        if(Input.GetKeyDown(KeyCode.Escape)) Application.Quit();
+    }
+}

Assets/Scripts/Quit.cs.meta

@@ -0,0 +1,11 @@
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+guid: bcd90519abd2eaa47ab4e721bdbe12c8
+MonoImporter:
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Assets/Scripts/WheelController.cs

@@ -1,28 +1,45 @@
 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
+using TMPro;
 
 public class WheelController : MonoBehaviour
 {
-    [SerializeField] WheelCollider frontRightWheelCollider;
-    [SerializeField] WheelCollider frontLeftWheelCollider;
-    [SerializeField] WheelCollider rearRightWheelCollider;
-    [SerializeField] WheelCollider rearLeftWheelCollider;
+    [SerializeField] private WheelCollider frontRightWheelCollider;
+    [SerializeField] private WheelCollider frontLeftWheelCollider;
+    [SerializeField] private WheelCollider rearRightWheelCollider;
+    [SerializeField] private WheelCollider rearLeftWheelCollider;
 
     //wheel meshes
-    [SerializeField] Transform frontRightWheel;
-    [SerializeField] Transform frontLeftWheel;
-    [SerializeField] Transform rearRightWheel;
-    [SerializeField] Transform rearLeftWheel;
+    [SerializeField] private Transform frontRightWheel;
+    [SerializeField] private Transform frontLeftWheel;
+    [SerializeField] private Transform rearRightWheel;
+    [SerializeField] private Transform rearLeftWheel;
+
+    [SerializeField] private TMP_Text flRpmLabel;
+    [SerializeField] private TMP_Text frRpmLabel;
+    [SerializeField] private TMP_Text rlRpmLabel;
+    [SerializeField] private TMP_Text rrRpmLabel;
 
     public float acceleration = 500f;
     public float breakingForce = 300f;
-    public float maxTurnAngle = 15f;
+    [Range(15f,75f)] public float maxTurnAngle;
 
     private float currentAcceleration = 0f;
     private float currentBrakeForce = 0f;
     private float currentTurnAngle = 0f;
 
+    private void Update() {
+        flRpmLabel.text = getWheelRPM(frontLeftWheelCollider).ToString();
+        frRpmLabel.text = getWheelRPM(frontRightWheelCollider).ToString();
+        rlRpmLabel.text = getWheelRPM(rearLeftWheelCollider).ToString();
+        rrRpmLabel.text = getWheelRPM(rearRightWheelCollider).ToString();
+    }
+
+    private float getWheelRPM(WheelCollider wheel){
+        return wheel.rpm;
+    }
+
     private void FixedUpdate() {
         //forward reverse input
         currentAcceleration = acceleration * Input.GetAxis("Vertical");
@@ -35,19 +52,18 @@ public class WheelController : MonoBehaviour
         }
 
         //apply acceleration to front wheels| (this determines which wheel drive is the car (fwd, awd, rwd))
-        rearRightWheelCollider.motorTorque = currentAcceleration; 
-        rearLeftWheelCollider.motorTorque = currentAcceleration;
+        ApplyAccelerationToWheel(rearRightWheelCollider, currentAcceleration);
+        ApplyAccelerationToWheel(rearLeftWheelCollider, currentAcceleration);
 
         //break applies to all four wheels
-        frontRightWheelCollider.brakeTorque = currentBrakeForce; 
-        frontRightWheelCollider.brakeTorque = currentBrakeForce; 
-        frontRightWheelCollider.brakeTorque = currentBrakeForce; 
-        frontRightWheelCollider.brakeTorque = currentBrakeForce;
+        ApplyBrakeToWheel(frontLeftWheelCollider, currentBrakeForce);
+        ApplyBrakeToWheel(frontRightWheelCollider, currentBrakeForce);
+        ApplyBrakeToWheel(rearLeftWheelCollider, currentBrakeForce);
+        ApplyBrakeToWheel(rearRightWheelCollider, currentBrakeForce);
 
         //steering
-        currentTurnAngle = maxTurnAngle * Input.GetAxis("Horizontal");
-        frontLeftWheelCollider.steerAngle = currentTurnAngle;
-        frontRightWheelCollider.steerAngle = currentTurnAngle;
+        currentTurnAngle = maxTurnAngle * Input.GetAxis("Horizontal"); //getting steering input
+        ApplyStreering(currentTurnAngle);
 
         //update wheel meshes
         UpdateWheel(frontLeftWheelCollider, frontLeftWheel);
@@ -56,6 +72,19 @@ public class WheelController : MonoBehaviour
         UpdateWheel(rearRightWheelCollider, rearRightWheel);
     }
 
+    private void ApplyStreering(float streeringAngle){
+        frontLeftWheelCollider.steerAngle = streeringAngle;
+        frontRightWheelCollider.steerAngle = streeringAngle;
+    }
+
+    private void ApplyBrakeToWheel(WheelCollider wheel, float breakForce){
+        wheel.brakeTorque = breakForce;
+    }
+
+    private void ApplyAccelerationToWheel(WheelCollider wheel, float acceleration){
+        wheel.motorTorque = acceleration;
+    }
+
     private void UpdateWheel(WheelCollider collider, Transform wheel){
         //get collider state
         Vector3 position;