图片颜色列表只获取一次

Assets/GameMgr/MainData.cs

@@ -8,6 +8,7 @@ using Unity.VisualScripting;
 using UnityEngine;
 using UnityEngine.EventSystems;
 using UnityEngine.UI;
+using static Unity.Burst.Intrinsics.X86.Avx;
 
 //System.Diagnostics.Stopwatch sw = new System.Diagnostics.Stopwatch();
 //sw.Start();
@@ -29,6 +30,9 @@ public class MainData : MonoBehaviour
     public Image imgpng;//线框图组件
     public Image imgjpg;//彩色图组件
 
+    public Color[] c_png;
+    public Color[] c_map;
+
     public RectTransform rect;//本节点
     public int curGroupId = -1;//当前选组ID
 
@@ -43,7 +47,11 @@ public class MainData : MonoBehaviour
         map = _map;
         json = _json;
         dynamic = _dynamic;
-        json.JoinMap(map);//把点阵数据放进json配置以快速获取某个区域的所有点
+
+        c_png = png.GetPixels();
+        c_map = map.GetPixels();
+
+        json.JoinMap(c_map);//把点阵数据放进json配置以快速获取某个区域的所有点
 
         imgjpg.sprite = jpg;//由layout组件自动适应大小
         imgpng.sprite = Sprite.Create(png, new Rect(0, 0, json.width, json.height), new Vector2(0.5f, 0.5f));
@@ -79,7 +87,6 @@ public class MainData : MonoBehaviour
         //判断是否当前选组
         if (rd.groupId != curGroupId && !b) { return false; }
         //染色逻辑
-        Color[] c_png = png.GetPixels();
         for (int i = 0; i < rd.posIndex.Count; i++)
         {
             c_png[rd.posIndex[i]] = Color.clear;
@@ -128,15 +135,14 @@ public class MainData : MonoBehaviour
     {
         dynamic = new DynamicData();//动态数据直接舍弃
         //重置染色
-        Color[] c = png.GetPixels();
-        for (int i = 0; i < c.Length; i++)
+        for (int i = 0; i < c_png.Length; i++)
         {
-            if (c[i] == Color.clear)
+            if (c_png[i] == Color.clear)
             {
-                c[i] = Color.white;
+                c_png[i] = Color.white;
             }
         }
-        png.SetPixels(c);
+        png.SetPixels(c_png);
         png.Apply();
         SaveManager.Instance.SaveRes(key, dynamic, png);//保存
     }

Assets/GameMgr/ResJsonData.cs

@@ -81,17 +81,16 @@ public class ResJsonData
     public ExtraMetaData extraMetaData;
 
     private static V2 v;
-    public void JoinMap(Texture2D map)
+    public void JoinMap(Color[] c_map)
     {
         if (isInit)
         {
             return;
         }
         isInit = true;
-        Color[] c = map.GetPixels();
-        for (int i = 0; i < c.Length; i++)
+        for (int i = 0; i < c_map.Length; i++)
         {
-            V2 _v = ColorToV(c[i]);
+            V2 _v = ColorToV(c_map[i]);
             if (_v.x != 0 || _v.y != 0)
             {
                 roomDatas[_v.x].posIndex.Add(i);