整合SLSUtilities

Packages/com.lunawolfstudios.scriptablesheets/Editor/Modules/Comparables/GradientComparable.cs

@@ -0,0 +1,53 @@
+using System;
+using UnityEngine;
+
+namespace LunaWolfStudiosEditor.ScriptableSheets.Comparables
+{
+	public class GradientComparable : AbstractComparable<GradientComparable, Gradient>, IComparable
+	{
+		public GradientComparable(Gradient value) : base(value)
+		{
+		}
+
+		public override int CompareTo(Gradient value, Gradient other)
+		{
+			var averageColor = GetAverageColor(value.colorKeys);
+			var otherAverageColor = GetAverageColor(other.colorKeys);
+
+			var redComparison = averageColor.r.CompareTo(otherAverageColor.r);
+			if (redComparison != 0)
+			{
+				return redComparison;
+			}
+
+			var greenComparison = averageColor.g.CompareTo(otherAverageColor.g);
+			if (greenComparison != 0)
+			{
+				return greenComparison;
+			}
+
+			var blueComparison = averageColor.b.CompareTo(otherAverageColor.b);
+			if (blueComparison != 0)
+			{
+				return blueComparison;
+			}
+
+			return averageColor.a.CompareTo(otherAverageColor.a);
+		}
+
+		public static Color GetAverageColor(GradientColorKey[] colorKeys)
+		{
+			var totalColor = Color.clear;
+			foreach (var key in colorKeys)
+			{
+				totalColor += key.color;
+			}
+			return totalColor / colorKeys.Length;
+		}
+
+		public static explicit operator GradientComparable(Gradient value)
+		{
+			return new GradientComparable(value);
+		}
+	}
+}