added gun models and enemy spawner

Assets/Scripts/EnemyHealth.cs

@@ -0,0 +1,93 @@
+using UnityEngine;
+
+public class EnemyHealth : MonoBehaviour
+{
+    public float maxHealth = 100f;
+    public float currentHealth;
+
+    [Header("Death Settings")]
+    public bool destroyOnDeath = true;
+    public float deathDelay = 0.1f;
+
+    private bool isDead = false;
+
+    void Start()
+    {
+        currentHealth = maxHealth;
+    }
+
+    public void TakeDamage(float amount)
+    {
+        if (isDead) return;
+
+        currentHealth -= amount;
+        Debug.Log($"{gameObject.name} took {amount} damage! HP: {currentHealth}/{maxHealth}");
+
+        // Flash red on hit
+        StartCoroutine(HitFlash());
+
+        if (currentHealth <= 0f)
+        {
+            Die();
+        }
+    }
+
+    System.Collections.IEnumerator HitFlash()
+    {
+        Renderer[] renderers = GetComponentsInChildren<Renderer>();
+        if (renderers.Length == 0) yield break;
+
+        // Store original colors
+        Color[] originalColors = new Color[renderers.Length];
+        for (int i = 0; i < renderers.Length; i++)
+            originalColors[i] = renderers[i].material.color;
+
+        // Flash all parts white-red
+        for (int i = 0; i < renderers.Length; i++)
+            renderers[i].material.color = new Color(1f, 0.3f, 0.3f);
+
+        yield return new WaitForSeconds(0.08f);
+
+        // Restore
+        if (!isDead)
+        {
+            for (int i = 0; i < renderers.Length; i++)
+            {
+                if (renderers[i] != null)
+                    renderers[i].material.color = originalColors[i];
+            }
+        }
+    }
+
+    void Die()
+    {
+        isDead = true;
+        Debug.Log($"{gameObject.name} KILLED!");
+
+        if (destroyOnDeath)
+        {
+            // Quick death: disable collider immediately, destroy after delay
+            Collider col = GetComponent<Collider>();
+            if (col != null) col.enabled = false;
+
+            // Optional: add a little "pop" by scaling down
+            StartCoroutine(DeathEffect());
+        }
+    }
+
+    System.Collections.IEnumerator DeathEffect()
+    {
+        float timer = 0f;
+        Vector3 startScale = transform.localScale;
+
+        while (timer < deathDelay)
+        {
+            timer += Time.deltaTime;
+            float t = timer / deathDelay;
+            transform.localScale = Vector3.Lerp(startScale, Vector3.zero, t);
+            yield return null;
+        }
+
+        Destroy(gameObject);
+    }
+}