new movement

using UnityEngine;
using UnityEngine.AI;

public class playerMovementScript : MonoBehaviour
{
    public CharacterController controller;
    public float speed = 25f;

    public float gravity = -9.81f;
    public Transform groundCheck;
    public float groundDistance = .4f;
    public float jumpHeight = 3f;
    public LayerMask groundMask;

    bool isGrounded;

    Vector3 velocity;

    Camera cam;
    public Interaction focus;


    void Start()
    {
        cam = Camera.main;
    }


    void Update()
    {
        //is the player on the ground?
        isGrounded = Physics.CheckSphere(groundCheck.position, groundDistance, groundMask);
        //if the player is grounded and has a y velocity less then 0 change it to 0 - -2
        if (isGrounded && velocity.y < 0 )
        {
            velocity.y = -2f;
        }

        //controls movement on wasd
        float x = Input.GetAxis("Horizontal");
        float z = Input.GetAxis("Vertical");

        Vector3 move = transform.right * x + transform.forward * z;
        controller.Move(move * speed * Time.deltaTime);

        //jumping ability
        if (Input.GetButtonDown("Jump") && isGrounded)
        {

            velocity.y = Mathf.Sqrt(jumpHeight * -2f * gravity);

        }

        velocity.y += gravity * Time.deltaTime;
        controller.Move(velocity * Time.deltaTime);



        //mouse buttons controls

        if (Input.GetMouseButtonDown(0))
        {
            //creates an invisble ray from the player to the object being clicked on
            Ray ray = cam.ScreenPointToRay(Input.mousePosition);
            RaycastHit hit;


            //if the ray hits
            if (Physics.Raycast(ray, out hit, 100))
            {
                Interaction Interaction = hit.collider.GetComponent<Interaction>();
                if (Interaction != null)
                {
                    removeFocus(Interaction);
                }
            }
        }


                //Right mouse button code
        if (Input.GetMouseButtonDown(1))
        {
            //creates an invisble ray from the player to the object being clicked on
            Ray ray = cam.ScreenPointToRay(Input.mousePosition);
            RaycastHit hit;


            //if the ray hits
            if (Physics.Raycast(ray, out hit, 100))
            {
                Interaction Interaction = hit.collider.GetComponent<Interaction>();
                if (Interaction != null)
                {
                    setFocus(Interaction);
                }
                //if we do hit an interactable

            }


        }

    }
    void setFocus(Interaction newFocus)
    {
        if (newFocus != focus)
        {
            if (focus != null)
                focus.onDefocused();

            focus = newFocus;

        }

        newFocus.onFocused(transform);

    }

    void removeFocus(Interaction newFocus)
    {
        if (focus != null)
            focus.onDefocused();

        focus = null;

    }


}