.

Assets/Scripts/BluePlayerController.cs

@@ -0,0 +1,65 @@
+using UnityEngine;
+using UnityEngine.InputSystem;
+
+public class BluePlayerController : MonoBehaviour
+{
+    public GameObject shield;
+
+    public GameObject bulletPrefab;
+    public Transform firePoint;
+
+    public float shootCooldown = 0.5f;
+
+    private float cooldownTimer;
+
+    private bool isDead = false;
+
+    void Update()
+    {
+        if (Keyboard.current == null)
+            return;
+
+        if (isDead)
+            return;
+
+        cooldownTimer -= Time.deltaTime;
+
+        HandleShield();
+        HandleShoot();
+    }
+
+    void HandleShield()
+    {
+        // Giữ F => bỏ khiên
+        bool holdingF =
+            Keyboard.current.fKey.isPressed;
+
+        shield.SetActive(!holdingF);
+    }
+
+    void HandleShoot()
+    {
+        
+
+        // Chỉ bắn khi đang bỏ khiên
+        if (!shield.activeSelf &&
+            Keyboard.current.gKey.wasPressedThisFrame &&
+            cooldownTimer <= 0f)
+        {
+            Instantiate(
+                bulletPrefab,
+                firePoint.position,
+                firePoint.rotation
+            );
+
+            cooldownTimer = shootCooldown;
+        }
+    }
+
+    public void Die()
+    {
+        isDead = true;
+
+        GameManager.Instance.ShowWinner("RED WIN!");
+    }
+}

Assets/Scripts/BluePlayerController.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 16ca7876af4ace2468e2289a8513ae82

Assets/Scripts/Bullet.cs

@@ -0,0 +1,45 @@
+using UnityEngine;
+
+public class Bullet : MonoBehaviour
+{
+    public float speed = 10f;
+
+    void Update()
+    {
+        transform.position += transform.forward * speed * Time.deltaTime;
+    }
+
+    private void OnTriggerEnter(Collider other)
+    {
+        // Trúng khiên
+        if (other.CompareTag("Shield"))
+        {
+            Destroy(gameObject);
+            return;
+        }
+
+        // Trúng đầu
+        if (other.CompareTag("BluePlayer"))
+        {
+            HitBox hit = other.GetComponent<HitBox>();
+
+            if (hit != null)
+            {
+                hit.blueplayer.Die();
+            }
+
+            Destroy(gameObject);
+        }
+        if (other.CompareTag("RedPlayer"))
+        {
+            HitBox hit = other.GetComponent<HitBox>();
+
+            if (hit != null)
+            {
+                hit.redplayer.Die();
+            }
+
+            Destroy(gameObject);
+        }
+    }
+}

Assets/Scripts/Bullet.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: b3d0c723e563624469ed05366a4184d3

Assets/Scripts/GameManager.cs

@@ -0,0 +1,35 @@
+using TMPro;
+using UnityEngine;
+using UnityEngine.SceneManagement;
+
+public class GameManager : MonoBehaviour
+{
+    public static GameManager Instance;
+
+    public GameObject resultPanel;
+    public TextMeshProUGUI resultText;
+
+    private void Awake()
+    {
+        Instance = this;
+    }
+
+    public void ShowWinner(string loserName)
+    {
+        resultPanel.SetActive(true);
+
+        if (loserName.Contains("Blue"))
+            resultText.text = "RED WIN!";
+        else
+            resultText.text = "BLUE WIN!";
+
+        Time.timeScale = 0f;
+    }
+
+    public void Again()
+    {
+        SceneManager.LoadScene(SceneManager.GetActiveScene().name);
+        Time.timeScale = 1f;
+    }
+
+}

Assets/Scripts/GameManager.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 61e65f88b41b87a4cb5404645938e821

Assets/Scripts/HitBox.cs

@@ -0,0 +1,7 @@
+using UnityEngine;
+
+public class HitBox : MonoBehaviour
+{
+    public BluePlayerController blueplayer;
+    public RedPlayerController redplayer;
+}

Assets/Scripts/HitBox.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: d3c9212d3857e5b4893a36729d359906

Assets/Scripts/RedPlayerController.cs

@@ -0,0 +1,65 @@
+using UnityEngine;
+using UnityEngine.InputSystem;
+
+public class RedPlayerController : MonoBehaviour
+{
+    public GameObject shield;
+
+    public GameObject bulletPrefab;
+    public Transform firePoint;
+
+    public float shootCooldown = 0.5f;
+
+    private float cooldownTimer;
+
+    private bool isDead = false;
+
+    void Update()
+    {
+        if (Keyboard.current == null)
+            return;
+
+        if (isDead)
+            return;
+
+        cooldownTimer -= Time.deltaTime;
+
+        HandleShield();
+        HandleShoot();
+    }
+
+    void HandleShield()
+    {
+        // Giữ F => bỏ khiên
+        bool holdingF =
+            Keyboard.current.kKey.isPressed;
+
+        shield.SetActive(!holdingF);
+    }
+
+    void HandleShoot()
+    {
+        
+
+        // Chỉ bắn khi đang bỏ khiên
+        if (!shield.activeSelf &&
+            Keyboard.current.jKey.wasPressedThisFrame &&
+            cooldownTimer <= 0f)
+        {
+            Instantiate(
+                bulletPrefab,
+                firePoint.position,
+                firePoint.rotation
+            );
+
+            cooldownTimer = shootCooldown;
+        }
+    }
+
+    public void Die()
+    {
+        isDead = true;
+
+        GameManager.Instance.ShowWinner("BLUE WIN!");
+    }
+}

Assets/Scripts/RedPlayerController.cs.meta

@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: e10bf968efdc6624a85b1b79a5806946