Updated some stuff as I've noticed issues with a few things as I've

written the blog.

Assets/Scripts/CarLogic.cs

@@ -1,4 +1,3 @@
-using Unity.Mathematics;
 using UnityEngine;
 using UnityEngine.InputSystem;
 
@@ -15,12 +14,14 @@ public class CarLogic : MonoBehaviour
 
 	public float maxAcceleration = 100;
 	public float brakingAmount;
+	public float wheelAccelerationFactor = 6.0f;
 
 	private Rigidbody2D _rigidbody;
 	private Transform _transform;
 	private float _currentAcceleration;
-	private float _wheelAccelerationAmount;
-	private int _wheelOffroadCount = 0;
+	private int _wheelOnRoadCount = 0;
+	private float _maxAcceleration;
+	private float _wheelAccelerationOffset;
 
 	public float CurrentAccelerationRatio()
 	{
@@ -31,9 +32,11 @@ public class CarLogic : MonoBehaviour
 	{
 		_rigidbody = GetComponent<Rigidbody2D>();
 		_transform = transform;
+		_maxAcceleration = maxAcceleration;
+		_wheelAccelerationOffset = wheelAccelerationFactor - 4;
 	}
 
-	private void Start()
+	private void OnEnable()
 	{
 		steeringAction.Enable();
 		accelerationAction.Enable();
@@ -46,18 +49,26 @@ public class CarLogic : MonoBehaviour
 			wheel.wheelOnRoad = WheelOnRoad;
 		}
 
-		_wheelAccelerationAmount = maxAcceleration / 5f;
-		_wheelOffroadCount = 4;
+		_wheelOnRoadCount = 0;
+	}
+
+	private void OnDisable()
+	{
+		steeringAction.Disable();
+		accelerationAction.Disable();
+		brakeAction.Disable();
 	}
 
 	private void WheelOffRoad()
 	{
-		_wheelOffroadCount++;
+		_wheelOnRoadCount--;
+		_maxAcceleration = ((_wheelOnRoadCount + _wheelAccelerationOffset) / wheelAccelerationFactor) * maxAcceleration;
 	}
 
 	private void WheelOnRoad()
 	{
-		_wheelOffroadCount--;
+		_wheelOnRoadCount++;
+		_maxAcceleration = ((_wheelOnRoadCount + _wheelAccelerationOffset) / wheelAccelerationFactor) * maxAcceleration;
 	}
 
 	private void Update()
@@ -75,13 +86,8 @@ public class CarLogic : MonoBehaviour
 		
 		_currentAcceleration -= brakeValue * brakingAmount * Time.deltaTime;
 
-		if (_currentAcceleration > maxAcceleration / 3f)
-		{
-			_currentAcceleration -= _wheelOffroadCount * _wheelAccelerationAmount * Time.deltaTime;
-		}
-
 		// TODO: reverse logic.
-		_currentAcceleration = Mathf.Clamp(_currentAcceleration, 0, maxAcceleration);
+		_currentAcceleration = Mathf.Clamp(_currentAcceleration, 0, _maxAcceleration);
 		
 		if (_currentAcceleration > 0.01)
 		{

Assets/Scripts/LapTime.cs

@@ -17,10 +17,9 @@ public class LapTime : MonoBehaviour
     public string GetTimeString()
     {
         return
-            $"Sector 1: {_checkPoint1Time:F}\nSector 2: {_checkPoint2Time:F}\nSector 3: {_checkPoint3Time:F}\nLast Lap Time: {_finishTime:F}\nBest Lap: {_bestTime:F}";
+            $"Sector 1: {_checkPoint1Time:0.000}\nSector 2: {_checkPoint2Time:0.000}\nSector 3: {_checkPoint3Time:0.000}\nLast Lap Time: {_finishTime:0.0000}\nBest Lap: {_bestTime:0.000}";
     }
     
-    // Start is called before the first frame update
     private void Start()
     {
         finishLine.CarPassed += FinishedLine;
@@ -69,6 +68,7 @@ public class LapTime : MonoBehaviour
         }
         else
         {
+            _finishTime = float.MaxValue;
             ResetTimers();
         }
     }