.

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!");
+    }
+}