Update the vacuum projectile logic

Assets/Scripts/Core/Settings/SettingsInterfaces.cs

@@ -272,6 +272,7 @@ namespace Core.Settings
         // Physics Layers
         int FortBlockLayer { get; }     // Layer index for fort blocks
         int ProjectileLayer { get; }    // Layer index for projectiles
+        int GroundLayer { get; }        // Layer index for ground/floor (used by vacuum projectile)
         
         // Projectile Abilities
         float VacuumSlideSpeed { get; }  // Constant velocity for vacuum sliding (m/s)

Assets/Scripts/Minigames/FortFight/Core/FortFightSettings.cs

@@ -126,6 +126,10 @@ namespace Minigames.FortFight.Core
         [AppleHills.Core.Settings.Layer]
         [SerializeField] private int projectileLayer = 9;
         
+        [Tooltip("Layer for ground/floor - vacuum projectile activates sliding when hitting this layer (Default: Layer 0 'Default')")]
+        [AppleHills.Core.Settings.Layer]
+        [SerializeField] private int groundLayer = 0;
+        
         [Header("Visual Settings")]
         [Tooltip("Color tint applied to damaged blocks")]
         [SerializeField] private Color damageColorTint = new Color(0.5f, 0.5f, 0.5f);
@@ -152,6 +156,7 @@ namespace Minigames.FortFight.Core
         
         public int FortBlockLayer => fortBlockLayer;
         public int ProjectileLayer => projectileLayer;
+        public int GroundLayer => groundLayer;
         
         public Color DamageColorTint => damageColorTint;
         

Assets/Scripts/Minigames/FortFight/Projectiles/VacuumProjectile.cs

@@ -6,7 +6,8 @@ namespace Minigames.FortFight.Projectiles
 {
     /// <summary>
     /// Vacuum projectile - high mass, slides along ground after landing.
-    /// On floor/block impact: applies constant force to the right and destroys blocks.
+    /// Maintains normal physics until it hits the ground layer, then activates sliding mode.
+    /// While sliding, destroys blocks it encounters.
     /// </summary>
     public class VacuumProjectile : ProjectileBase
     {
@@ -17,7 +18,10 @@ namespace Minigames.FortFight.Projectiles
         
         protected override void OnHit(Collision2D collision)
         {
-            // If already sliding, count block destruction
+            // Get settings once for all checks
+            var settings = GameManager.GetSettingsObject<IFortFightSettings>();
+            
+            // If already sliding, handle block destruction
             if (isSliding)
             {
                 var block = collision.gameObject.GetComponent<Fort.FortBlock>();
@@ -27,7 +31,6 @@ namespace Minigames.FortFight.Projectiles
                     SpawnImpactEffect(collision.contacts[0].point);
                     
                     // Get damage from settings
-                    var settings = GameManager.GetSettingsObject<IFortFightSettings>();
                     float blockDamage = settings?.VacuumBlockDamage ?? 999f;
                     
                     // Deal high damage to destroy block instantly
@@ -46,15 +49,36 @@ namespace Minigames.FortFight.Projectiles
                 return;
             }
             
-            // First hit - spawn impact effect and start sliding
-            SpawnImpactEffect(collision.contacts[0].point);
-            Logging.Debug("[VacuumProjectile] Hit surface - starting slide");
-            StartSliding();
-            // Don't destroy - keep sliding!
+            // Check if we hit the ground layer to activate sliding
+            int groundLayer = settings?.GroundLayer ?? 0;
+            
+            if (collision.gameObject.layer == groundLayer)
+            {
+                // Hit ground - start sliding behavior
+                SpawnImpactEffect(collision.contacts[0].point);
+                Logging.Debug($"[VacuumProjectile] Hit ground (layer {groundLayer}) - starting slide");
+                StartSliding();
+                // Don't destroy - keep sliding
+                return;
+            }
+            
+            // Hit something else (fort block, etc.) while not sliding - use normal projectile behavior
+            Logging.Debug($"[VacuumProjectile] Hit {collision.gameObject.name} (layer {collision.gameObject.layer}) - normal impact");
+            
+            // Deal damage if it's a fort block
+            var hitBlock = collision.gameObject.GetComponent<Fort.FortBlock>();
+            if (hitBlock != null)
+            {
+                hitBlock.TakeDamage(Damage);
+                SpawnImpactEffect(collision.contacts[0].point);
+            }
+            
+            // Normal projectile destruction
+            DestroyProjectile();
         }
         
         /// <summary>
-        /// Start sliding behavior after hitting surface
+        /// Start sliding behavior after hitting ground surface
         /// </summary>
         private void StartSliding()
         {