Untitled

using System.Collections;
using UnityEngine;
using UnityEngine.InputSystem;


public class PlayerController : MonoBehaviour
{
    
    [SerializeField] private float moveSpeed = 8f;
    [SerializeField] private float jumpForce = 50f;
    [SerializeField] private LayerMask groundLayer;
    [SerializeField] private float xMinClamp = -41.5f;
    [SerializeField] private float xMaxClamp =  47.1f;
    [SerializeField] private float gravity = -20f;
    [SerializeField] private float playerFallTimer = 0f;

    private PlayerControls inputActions;

    private Rigidbody rb;
    private Vector3 velocity;
    private Vector2 movement;
 
    private bool isGrounded = true;
  



    private void Awake()
    {
        inputActions = new PlayerControls();
        inputActions.Player.Enable();
        inputActions.Player.Jump.performed += Jump_performed;
        inputActions.Player.Move.performed += Move_performed;
        rb = GetComponent<Rigidbody>();

       
     
    }

    private void Move_performed(InputAction.CallbackContext obj)
    {
        movement = obj.ReadValue<Vector2>();
    }

    private void Jump_performed(InputAction.CallbackContext obj)
    {
        if(isGrounded)
        {
            
            velocity.y = jumpForce;
        }
    }


    private bool IsGrounded()
    {
        
        Vector3 rayOrigin = transform.position;
        float rayLength = 0.1f; 

        if (Physics.Raycast(rayOrigin, Vector3.down, out RaycastHit hit, rayLength, groundLayer))
        {
            return true;
        }
      
        return false;
    }
    private void ProcessMovement()
    {
        if (movement != Vector2.zero)
        {
            Vector3 currentPosition = rb.position;
            Vector3 moveVector = new Vector3(movement.x, 0f, 0f);
            Vector3 newPosition = currentPosition + moveVector * moveSpeed * Time.fixedDeltaTime;

            //clamp player
            newPosition.x = Mathf.Clamp(newPosition.x, xMinClamp, xMaxClamp);

            rb.MovePosition(newPosition);
          
        }
    }

    private void FixedUpdate()
    {
        ProcessMovement();
        ApplyGravityAndVelocity();
    }


    private void Update()
    {
        // Ground Check
        isGrounded = IsGrounded();

        if(velocity.y < 0f && isGrounded)
        {
            velocity.y = 0f;
        } 
       
    }

    private float PlayerGravity()
    {
        if (isGrounded)
        {
            gravity = 0f;

        }
        else
        {
            playerFallTimer -= Time.fixedDeltaTime;
            if(playerFallTimer < 0)
            {
                gravity = -20f;
            }
            playerFallTimer = 0f;
        }

        return gravity;
    }

    private void ApplyGravityAndVelocity()
    {
        if (!IsGrounded())  //make the player fall down
        {
            
            velocity.y += PlayerGravity() * Time.deltaTime;
            transform.Translate(0, velocity.y * Time.fixedDeltaTime, 0);
        }

        else if (IsGrounded()) //make the player jump with force without gravity
        {
            
            transform.Translate(0, velocity.y * Time.fixedDeltaTime, 0);
        }

     
    }
 
    

    private void OnDestroy()
    {
        inputActions.Player.Disable();
    }


}