Replaced character controller with rigidbody and fixed all player controller script errors - player character can only spin in place

Assets/Materials/Test Checker.mat

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Assets/Scenes/Updated Test Scene.unity.meta

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Assets/Scripts/PlayerController.cs

@@ -9,53 +9,48 @@ using System.Collections;
 
 public class PlayerController : MonoBehaviour
 {
-    CharacterController characterController;
-    CapsuleCollider capsule;
+    Rigidbody rb;
 
     public float speed;
-    public float jumpHeight;
+    public float jumpSpeed;
     public float gravity;
     public float rotationSpeed;
     public Transform pivot;
     public GameObject playerModel;
 
-    private int jump = 0;
-    private float capsuleHeight;
-    private float controllerHeight;
-    private float transformHeight;
+    private bool extraJump = true;
+    private float distToGround;
     private Vector3 moveDirection;
 
-    float startTime = 0.0f;
-    float oneSec = 1.0f;
-
     void Start()
     {
-        characterController = GetComponent<CharacterController>();
-        capsule = GetComponent<CapsuleCollider>();
-        transformHeight = transform.localScale.y;
-        controllerHeight = characterController.height;
-        capsuleHeight = capsule.height;
+        rb = GetComponent<Rigidbody>();
     }
 
-    void Update()
+    bool IsGrounded(){
+        return Physics.Raycast(transform.position, -Vector3.up, distToGround + 0.1f);
+    }
+
+    void FixedUpdate()
     {
 
         float yStore = moveDirection.y;
         //Need to switch to 'raw' when using keyboard
         moveDirection = (transform.forward * Input.GetAxis("Vertical")) + (transform.right * Input.GetAxis("Horizontal"));
 
-        if (jump <= 1)
+        if (extraJump == true)
         {
             moveDirection = moveDirection.normalized * speed; //Remove this line to make running diagonal the fastest standard run
-        } else {
+        } else
+        {
             moveDirection = (moveDirection.normalized * speed)/4; //Remove this line to make running diagonal the fastest standard run
         }
 
         moveDirection.y = yStore;
 
-        if (characterController.isGrounded)
+        if (IsGrounded())
         {
-            jump = 0;
+            extraJump = true;
             moveDirection.y = 0.0f;
 
             if(Input.GetKey(KeyCode.LeftShift))
@@ -65,48 +60,24 @@ public class PlayerController : MonoBehaviour
                 moveDirection = moveDirection.normalized * speed;
             }
 
-            if(Input.GetKey(KeyCode.LeftControl))
+            if (Input.GetButtonDown("Jump"))
             {
+                moveDirection.y = jumpSpeed;
+            }
 
-                characterController.height /= 2;
-                capsule.height /= 2;
-                transform.localScale = new Vector3(transform.localScale.x, transformHeight/2, transform.localScale.z);
-
-                if(Input.GetKeyDown(KeyCode.LeftControl))
-                {
-                    startTime = Time.time;
-                }
-
-                if(characterController.velocity != new Vector3(0, 0, 0) && startTime + oneSec >= Time.time)
-                {
-                
-                    moveDirection = (moveDirection.normalized * speed * 2);
-
-                } else {
-                
-                    moveDirection = (moveDirection.normalized * speed/4);
-                
-                }
-
-            } else {
-                moveDirection = moveDirection.normalized * speed;
-                characterController.height = controllerHeight;
-                capsule.height = capsuleHeight;
-                transform.localScale = new Vector3(transform.localScale.x, transformHeight, transform.localScale.z);
+        } else {
+            if (Input.GetButtonDown("Jump") && extraJump == true)
+            {
+                moveDirection.y = jumpSpeed;
+                extraJump = false;
             }
 
         }
 
-        if (Input.GetButtonDown("Jump") && jump <= 1)
-        {
-            moveDirection.y = jumpHeight;
-            jump++;
-        }
-
-        moveDirection.y += Physics.gravity.y * gravity * Time.deltaTime;
+        moveDirection.y = moveDirection.y + (Physics.gravity.y * gravity * Time.deltaTime);
 
         // Move the controller
-        characterController.Move(moveDirection * Time.deltaTime);
+        rb.AddForce(moveDirection * Time.deltaTime);
 
         //Move the player in different directions based on camera look direction
         //Need to switch to 'raw' when using keyboard