#include <stdio.h>
 
int main(void) {
	// your code goes here
	return 0;
}
 

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// PlayerController.cs
using UnityEngine;

public class PlayerController : MonoBehaviour
{
    public float moveSpeed = 5f;
    public float mouseSensitivity = 2f;
    public float jumpForce = 5f;
    
    private CharacterController controller;
    private Camera playerCamera;
    private float verticalRotation = 0f;
    private Vector3 playerVelocity;
    private bool isGrounded;
    
    void Start()
    {
        controller = GetComponent<CharacterController>();
        playerCamera = Camera.main;
        Cursor.lockState = CursorLockMode.Locked;
    }
    
    void Update()
    {
        // ตรวจสอบการชนพื้น
        isGrounded = controller.isGrounded;
        if (isGrounded && playerVelocity.y < 0)
        {
            playerVelocity.y = 0f;
        }
        
        // การเคลื่อนที่
        float moveX = Input.GetAxis("Horizontal");
        float moveZ = Input.GetAxis("Vertical");
        Vector3 move = transform.right * moveX + transform.forward * moveZ;
        controller.Move(move * moveSpeed * Time.deltaTime);
        
        // การกระโดด
        if (Input.GetButtonDown("Jump") && isGrounded)
        {
            playerVelocity.y += Mathf.Sqrt(jumpForce * -3.0f * Physics.gravity.y);
        }
        
        // แรงโน้มถ่วง
        playerVelocity.y += Physics.gravity.y * Time.deltaTime;
        controller.Move(playerVelocity * Time.deltaTime);
        
        // การมองซ้าย-ขวา
        float mouseX = Input.GetAxis("Mouse X") * mouseSensitivity;
        transform.Rotate(Vector3.up * mouseX);
        
        // การมองขึ้น-ลง
        verticalRotation -= Input.GetAxis("Mouse Y") * mouseSensitivity;
        verticalRotation = Mathf.Clamp(verticalRotation, -90f, 90f);
        playerCamera.transform.localRotation = Quaternion.Euler(verticalRotation, 0f, 0f);
    }
}

// WeaponSystem.cs
using UnityEngine;

public class WeaponSystem : MonoBehaviour
{
    public float damage = 10f;
    public float range = 100f;
    public float fireRate = 15f;
    public Camera fpsCam;
    public ParticleSystem muzzleFlash;
    
    private float nextTimeToFire = 0f;
    
    void Update()
    {
        if (Input.GetButton("Fire1") && Time.time >= nextTimeToFire)
        {
            nextTimeToFire = Time.time + 1f/fireRate;
            Shoot();
        }
    }
    
    void Shoot()
    {
        if (muzzleFlash != null)
        {
            muzzleFlash.Play();
        }
        
        RaycastHit hit;
        if (Physics.Raycast(fpsCam.transform.position, fpsCam.transform.forward, out hit, range))
        {
            Target target = hit.transform.GetComponent<Target>();
            if (target != null)
            {
                target.TakeDamage(damage);
            }
        }
    }
}

// Target.cs
using UnityEngine;

public class Target : MonoBehaviour
{
    public float health = 100f;
    
    public void TakeDamage(float amount)
    {
        health -= amount;
        if (health <= 0f)
        {
            Die();
        }
    }
    
    void Die()
    {
        Destroy(gameObject);
    }
}พี่