player reset added

Assets/Scripts/PlayerController.cs

@@ -16,6 +16,9 @@ public class PlayerController : MonoBehaviour
     public Rigidbody rigidBody;
     [HideInInspector] public int checkpointsCollected = 0;
     public GameObject[] checkpoints;
+    Vector3 startPosition;
+    Quaternion startRotation;
+    KeyCode resetCarKey = KeyCode.Backspace;
 
     // Start is called before the first frame update
     void Start()
@@ -24,6 +27,9 @@ public class PlayerController : MonoBehaviour
         {
             rigidBody = GetComponent<Rigidbody> ();
         }
+
+        startPosition = transform.position;
+        startRotation = transform.rotation;
         
 
         // Find all child GameObjects that have the WheelControl script attached
@@ -128,6 +134,35 @@ public class PlayerController : MonoBehaviour
         float checkpintDistance = distanceToCheckpoint(currentCheckpoint);
         
 
+        // send back to previous checkpoint if stuck
+
+        if (Input.GetKeyDown(resetCarKey))
+        {
+            if (checkpointsCollected == 0)
+            {
+            transform.position = startPosition;
+                transform.rotation = startRotation;
+            }
+
+            else
+            {
+                transform.position = new Vector3(
+                    checkpoints[checkpointsCollected - 1].transform.position.x,
+                    transform.position.y + 3,
+                    checkpoints[checkpointsCollected - 1].transform.position.z
+                );
+
+                transform.eulerAngles = new Vector3(
+                    transform.eulerAngles.x,
+                    checkpoints[checkpointsCollected - 1].transform.eulerAngles.y,
+                    transform.eulerAngles.z
+                );
+            }
+        }
+
+        
+            
+
         if (checkpintDistance < 0.2f)
         {
             checkpointsCollected += 1;