Stash paralax work

Assets/Scripts/Minigames/Airplane/Data/ParallaxLayer.cs

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+namespace Minigames.Airplane.Data
+{
+    /// <summary>
+    /// Defines parallax layer depth for background elements.
+    /// </summary>
+    public enum ParallaxLayer
+    {
+        /// <summary>
+        /// Furthest back layer, moves slowest (lowest parallax factor).
+        /// </summary>
+        Background,
+        
+        /// <summary>
+        /// Middle layer, moves at medium speed.
+        /// </summary>
+        Middle,
+        
+        /// <summary>
+        /// Closest layer, moves fastest (highest parallax factor).
+        /// </summary>
+        Foreground
+    }
+}
+

Assets/Scripts/Minigames/Airplane/Data/ParallaxLayer.cs.meta

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+fileFormatVersion: 2
+guid: 30cd4bc1743c44089146678153542aae
+timeCreated: 1765965854

Assets/Scripts/Minigames/Airplane/Data/SpawnPoolConfig.cs

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+using System;
+using UnityEngine;
+
+namespace Minigames.Airplane.Data
+{
+    /// <summary>
+    /// Configuration for a single spawn pool.
+    /// Contains prefabs, unlock timing, and optional spawn parameter overrides.
+    /// </summary>
+    [Serializable]
+    public class SpawnPoolConfig
+    {
+        [Tooltip("Prefabs that can spawn from this pool")]
+        public GameObject[] prefabs;
+        
+        [Tooltip("Time (seconds from game start) when this pool becomes available. 0 = available immediately.")]
+        public float unlockTime = 0f;
+        
+        [Tooltip("Description for this pool (editor reference only)")]
+        public string description = "Pool";
+        
+        [Header("Spawn Parameter Overrides (0 = use global)")]
+        [Tooltip("Override minimum spawn distance for this pool (0 = use global)")]
+        public float overrideMinDistance = 0f;
+        
+        [Tooltip("Override maximum spawn distance for this pool (0 = use global)")]
+        public float overrideMaxDistance = 0f;
+        
+        /// <summary>
+        /// Check if this pool has valid prefabs assigned.
+        /// </summary>
+        public bool HasPrefabs => prefabs != null && prefabs.Length > 0;
+        
+        /// <summary>
+        /// Get effective minimum distance (uses override if non-zero, otherwise uses global).
+        /// </summary>
+        public float GetMinDistance(float globalMin) => overrideMinDistance > 0f ? overrideMinDistance : globalMin;
+        
+        /// <summary>
+        /// Get effective maximum distance (uses override if non-zero, otherwise uses global).
+        /// </summary>
+        public float GetMaxDistance(float globalMax) => overrideMaxDistance > 0f ? overrideMaxDistance : globalMax;
+    }
+}
+

Assets/Scripts/Minigames/Airplane/Data/SpawnPoolConfig.cs.meta

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+fileFormatVersion: 2
+guid: 51d29acb7cdd48819588acd1401456a9
+timeCreated: 1765965854

Assets/Scripts/Minigames/Airplane/Data/SpawnPoolMode.cs

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+namespace Minigames.Airplane.Data
+{
+    /// <summary>
+    /// Defines how multiple spawn pools are combined.
+    /// </summary>
+    public enum SpawnPoolMode
+    {
+        /// <summary>
+        /// All unlocked pools contribute to a single shared spawn stream.
+        /// Objects spawn at regular intervals considering all available pools.
+        /// </summary>
+        Together,
+        
+        /// <summary>
+        /// Each pool spawns independently with its own timing.
+        /// Multiple objects can spawn simultaneously from different pools.
+        /// </summary>
+        Exclusive
+    }
+}
+

Assets/Scripts/Minigames/Airplane/Data/SpawnPoolMode.cs.meta

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+fileFormatVersion: 2
+guid: 5206332ad0e54ed4b20df47663202967
+timeCreated: 1765965854