PlayerCamera

using System.Collections;
using System.Collections.Generic;
using UnityEngine;

public class Player_Camera : MonoBehaviour {
    public Transform targetPoint;
    public Rigidbody player;
    Transform myTransform;
    Camera cam;


    private void Start() {

        myTransform = transform;
        cam = GetComponent<Camera>();
        Cursor.lockState = CursorLockMode.Locked;
        Cursor.visible = false;
    }

    // Update is called once per frame
    void Update () {

        if (targetPoint == null)
        return;

        myTransform.position = targetPoint.position - player.velocity/20f;
        myTransform.rotation = player.rotation;
        cam.fieldOfView = 60f + player.velocity.magnitude/20f;
        InternalLockUpdate();
    }



    private void InternalLockUpdate()
    {
        if(Input.GetKeyDown(KeyCode.LeftControl))
        {
            Cursor.lockState = CursorLockMode.None;
            Cursor.visible = true;
        }
        else if(Input.GetKeyUp(KeyCode.LeftControl))
        {
            Cursor.lockState = CursorLockMode.Locked;
            Cursor.visible = false;
        }
    }

}