SimpleWASDMovement

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

public class SimpleWASDMovement : MonoBehaviour
{

    public Rigidbody thisRigidbody;
    public Camera thisCamera;
    public float speed = 1f;
    public float jumpStrength = 1f;


    // Start is called before the first frame update
    void Start()
    {
        if (!thisRigidbody)
            thisRigidbody = GetComponent<Rigidbody>();
        if (!thisCamera)
            thisCamera = Camera.main;
    }

    // Update is called once per frame
    void Update()
    {
        MovementInput();
        LookInput();
    }

    void MovementInput()
    {
        Vector3 movementVector = Vector3.zero;
        movementVector.z -= Input.GetAxis("Horizontal");
        movementVector.x += Input.GetAxis("Vertical");


        if (Input.GetButtonDown("Jump"))
        {
            if (Physics.Raycast(transform.position, -Vector3.up, 1f))
            {
                thisRigidbody.AddForce(Vector3.up * jumpStrength, ForceMode.Impulse);

            }
        }


        if (thisCamera) // adjust the movement vector to be relative to the camera
        {
            Vector3 adjustVector = -thisCamera.transform.right;
            adjustVector.y = 0;
            movementVector = Quaternion.LookRotation(adjustVector.normalized, Vector3.up) * movementVector;
        }

        thisRigidbody.MovePosition(transform.position + movementVector * speed);
    }


    public Transform cameraPivot;
    public float cameraSpeed = 1f;
    public bool invertVertical = false;
    public float maxVertical = 60f;
    public float minVertical = 10f;
    void LookInput()
    {
        float camHorizontal = Input.GetAxis("Mouse X") * cameraSpeed;
        float camVertical = -Input.GetAxis("Mouse Y") * cameraSpeed;
        if (invertVertical)
            camVertical *= -1f;

        Vector3 newRotation = new Vector3(cameraPivot.transform.localRotation.eulerAngles.x + camVertical, cameraPivot.transform.localRotation.eulerAngles.y + camHorizontal, 0f);
        newRotation.x = Mathf.Clamp(newRotation.x, minVertical, maxVertical);
        cameraPivot.transform.localRotation = Quaternion.Euler(newRotation);

    }

}