3.0.0-preview.28

# [3.0.0-preview.28](https://github.com/mob-sakai/ParticleEffectForUGUI/compare/v3.0.0-preview.27...v3.0.0-preview.28) (2020-09-01) ### Features * support AnimatableProperty for multiple materials ([062d988](062d9887fb))
2026-05-16 05:00:07 +00:00 · 2020-09-01 17:39:05 +00:00
parent 2b9e8ecd73
commit 7f36ca15dd
11 changed files with 352 additions and 175 deletions
--- a/Scripts/CombineInstanceEx.cs
+++ b/Scripts/CombineInstanceEx.cs
@@ -0,0 +1,64 @@
+using System;
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace Coffee.UIExtensions
+{
+    internal class CombineInstanceEx
+    {
+        private int count;
+        public long hash = -1;
+        public int index = -1;
+        private readonly List<CombineInstance> combineInstances = new List<CombineInstance>(32);
+        public Mesh mesh;
+        public Matrix4x4 transform;
+
+        public void Combine()
+        {
+            switch (count)
+            {
+                case 0:
+                    return;
+                case 1:
+                    mesh = combineInstances[0].mesh;
+                    transform = combineInstances[0].transform;
+                    return;
+                default:
+                {
+                    var cis = CombineInstanceArrayPool.Get(combineInstances);
+                    mesh = MeshPool.Rent();
+                    mesh.CombineMeshes(cis, true, true);
+                    transform = Matrix4x4.identity;
+                    cis.Clear();
+                    return;
+                }
+            }
+        }
+
+        public void Clear()
+        {
+            for (var i = 0; i < combineInstances.Count; i++)
+            {
+                var inst = combineInstances[i];
+                MeshPool.Return(inst.mesh);
+                inst.mesh = null;
+                combineInstances[i] = inst;
+            }
+
+            combineInstances.Clear();
+
+            MeshPool.Return(mesh);
+            mesh = null;
+
+            count = 0;
+            hash = -1;
+            index = -1;
+        }
+
+        public void Push(Mesh mesh, Matrix4x4 transform)
+        {
+            combineInstances.Add(new CombineInstance {mesh = mesh, transform = transform});
+            count++;
+        }
+    }
+}