PlayerMovement

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

public class PlayerMovement : MonoBehaviour
{

    public float KecBergerak = 0;
    public float gravity = 6;
    public float kecJalan = 4;
    public float kecLari = 6;
    public float kecLompat = 15;
    private float v_velocity;
    public float jump_Force = 10f;

    Vector3 arahGerak;

    CharacterController controller;

    void Start()
    {
        controller = GetComponent<CharacterController>();
    }

    void Update()
    {
        Move();
    }

    void Move()
    {
        float gerakX = Input.GetAxis("Horizontal");
        float gerakZ = Input.GetAxis("Vertical");

        arahGerak = new Vector3(gerakX, 0, gerakZ);

        if (controller.isGrounded)
        {
            //arahGerak = new Vector3(gerakX, 0, gerakZ);
            if (Input.GetKey(KeyCode.LeftShift) && gerakZ == 1)
            {
                KecBergerak = kecLari;
            }
            else
            {
                KecBergerak = kecJalan;
            }

            if (Input.GetKeyDown(KeyCode.Space))
            {
                //arahGerak.y += kecLompat;
                v_velocity = jump_Force;
            }

            if (Input.GetKey(KeyCode.LeftControl))
            {
                controller.height = 0.75f;
            }
            else
            {
                controller.height = 2f;
            }



            arahGerak *= KecBergerak;
        }

        v_velocity -= gravity * Time.deltaTime;

        arahGerak.y = v_velocity;
        arahGerak = transform.TransformDirection(arahGerak);
        controller.Move(arahGerak * Time.deltaTime);


    }


}