Misc. Improvements

Turrets lead their projectiles
Double click to equip/unequip/move
Minimum weapon convergence distance

Assets/Scripts/Gameplay/GameSettings.cs

@@ -0,0 +1,41 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+[CreateAssetMenu(fileName = "Sector Display Properties", menuName = "Aetheria/Sector Display Properties")]
+public class GameSettings : ScriptableObject
+{
+    public float DefaultZoneRadius;
+    public float DefaultZoneMass;
+    public float DefaultViewDistance;
+    public float MinimapZoneGravityRange;
+    public float[] MinimapZoomLevels;
+    public int DefaultMinimapZoom;
+    public ExponentialCurve IconSize;
+    public int AsteroidMeshCount = 5;
+    public float MinimapAsteroidSize = 3;
+    public float PlanetRotationSpeed = 1;
+    public BodySettingsCollection[] BodySettingsCollections;
+    public PlanetSettings PlanetSettings;
+    public ZoneGenerationSettings ZoneSettings;
+    public GameplaySettings GameplaySettings;
+    public Color HullHitColor;
+    public Color ArmorHitColor;
+    public Color HardpointHitColor;
+    public Color GearHitColor;
+    public Gradient ArmorGradient;
+    public Gradient DurabilityGradient;
+    [HideInInspector] public Sprite[] ItemIcons;
+}
+
+[Serializable]
+public class BodySettingsCollection
+{
+    public float MinimumMass;
+    public CelestialBodySettings[] BodySettings;
+}

Assets/Scripts/Gameplay/GameSettings.cs.meta

@@ -0,0 +1,11 @@
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+guid: 0d957fc3cdc9310499a3a494a317fe0a
+MonoImporter:
+  externalObjects: {}
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 

Assets/Scripts/Gameplay/Weapons/GuidedProjectile.cs

@@ -65,7 +65,7 @@ public class GuidedProjectile : MonoBehaviour
             }
 
             var diff = Target.position - transform.position;
-            var targetDist = diff.magnitude;
+            var targetDist = diff.Flatland().magnitude;
 
             if (_prevDist < targetDist)
             {
@@ -74,7 +74,7 @@ public class GuidedProjectile : MonoBehaviour
             _prevDist = targetDist;
 
             var position = (float3) t.position;
-            var sourceDist = length((float3) Source.position - position);
+            var sourceDist = length(((float3) Source.position).xz - position.xz);
             var curveLerp = 1 - targetDist / (sourceDist + targetDist);
             var dir = diff.normalized;
             var right = cross(dir, float3(0, 1, 0));