Player Movement with Camera Script

The player wont move (WASD) but the camera works

 using UnityEngine;
 using System.Collections;
 
 [AddComponentMenu("Camera-Control/Mouse Look")]
 public class playerController : MonoBehaviour
 {
     public enum RotationAxes { MouseXAndY = 0, MouseX = 1, MouseY = 2 }
     public RotationAxes axes = RotationAxes.MouseXAndY;
 
     public float sensitivityX = 10F;
     public float sensitivityY = 10F;
 
     public float minimumX = -360F;
     public float maximumX = 360F;
 
     public float minimumY = -60F;
     public float maximumY = 60F;
     public int speed;
 
     float rotationY = 0F;
 
     public float cameraSpeedFloat;
 
     Transform cameraTransform;
 
     void Start()
     {
 
         cameraTransform = transform;
 
         if (GetComponent<Rigidbody>())
         {
             GetComponent<Rigidbody>().freezeRotation = true;
         }
     }
 
     void Update()
     {
 
         //Look direction
         if (axes == RotationAxes.MouseXAndY)
         {
             float rotationX = transform.localEulerAngles.y + Input.GetAxis("Mouse X") * sensitivityX;
 
             rotationY += Input.GetAxis("Mouse Y") * sensitivityY;
             rotationY = Mathf.Clamp(rotationY, minimumY, maximumY);
 
             cameraTransform.localEulerAngles = new Vector3(-rotationY, rotationX, 0);
         }
 
         else if (axes == RotationAxes.MouseX)
         {
             cameraTransform.Rotate(0, Input.GetAxis("Mouse X") * sensitivityX, 0);
         }
 
         else
         {
             rotationY += Input.GetAxis("Mouse Y") * sensitivityY;
             rotationY = Mathf.Clamp(rotationY, minimumY, maximumY);
 
             cameraTransform.localEulerAngles = new Vector3(-rotationY, transform.localEulerAngles.y, 0);
         }
 
 
         //Movement direction
         if (Input.GetKey(KeyCode.W))
         {
             cameraTransform.position += cameraTransform.forward * cameraSpeedFloat * Time.deltaTime;
         }
 
         if (Input.GetKey(KeyCode.S))
         {
             cameraTransform.position += -cameraTransform.forward * cameraSpeedFloat * Time.deltaTime;
         }
 
         if (Input.GetKey(KeyCode.A))
         {
             cameraTransform.position += -cameraTransform.right * cameraSpeedFloat * Time.deltaTime;
         }
 
         if (Input.GetKey(KeyCode.D))
         {
             cameraTransform.position += cameraTransform.right * cameraSpeedFloat * Time.deltaTime;
         }
     }
 
 
 }