develop

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@next2d/player",
-  "version": "2.12.0",
+  "version": "2.13.0",
   "description": "Experience the fast and beautiful anti-aliased rendering of WebGL. You can create rich, interactive graphics, cross-platform applications and games without worrying about browser or device compatibility.",
   "author": "Toshiyuki Ienaga<ienaga@next2d.app> (https://github.com/ienaga/)",
   "license": "MIT",
@@ -54,7 +54,7 @@
     "@types/node": "^24.10.1",
     "@typescript-eslint/eslint-plugin": "^8.48.0",
     "@typescript-eslint/parser": "^8.48.0",
-    "@vitest/web-worker": "^4.0.13",
+    "@vitest/web-worker": "^4.0.14",
     "eslint": "^9.39.1",
     "eslint-plugin-unused-imports": "^4.3.0",
     "globals": "^16.5.0",
@@ -63,7 +63,7 @@
     "tslib": "^2.8.1",
     "typescript": "^5.9.3",
     "vite": "^7.2.4",
-    "vitest": "^4.0.13",
+    "vitest": "^4.0.14",
     "vitest-webgl-canvas-mock": "^1.1.0",
     "xml2js": "^0.6.2"
   },
@@ -83,4 +83,4 @@
     "@next2d/ui": "file:packages/ui",
     "@next2d/webgl": "file:packages/webgl"
   }
-}
+}

packages/texture-packer/src/Node.ts

@@ -1,6 +1,15 @@
 import { execute as nodeInsertService } from "./Node/service/NodeInsertService";
 import { execute as nodeDisposeService } from "./Node/service/NodeDisposeService";
 
+/**
+ * @description ノードオブジェクトプール（パフォーマンス最適化）
+ *              Node object pool (performance optimization)
+ *
+ * @type {Node[]}
+ * @private
+ */
+const $nodePool: Node[] = [];
+
 /**
  * @description テクスチャパッキングのノードクラス
  *              Node class for texture
@@ -132,8 +141,8 @@ export class Node
     }
 
     /**
-     * @description 新規ノードを生成
-     *              Create a new node
+     * @description 新規ノードを生成（プールから取得または新規作成）
+     *              Create a new node (get from pool or create new)
      *
      * @param  {number} index
      * @param  {number} x
@@ -146,6 +155,42 @@ export class Node
      */
     create (index: number, x: number, y: number, w: number, h: number): Node
     {
-        return new Node(index, x, y, w, h);
+        let node: Node;
+        if ($nodePool.length > 0) {
+            node = $nodePool.pop() as Node;
+            node.index = index;
+            node.x = x;
+            node.y = y;
+            node.w = w;
+            node.h = h;
+            node.left = null;
+            node.right = null;
+            node.used = false;
+        } else {
+            node = new Node(index, x, y, w, h);
+        }
+        return node;
+    }
+
+    /**
+     * @description ノードをプールに返却（メモリ再利用）
+     *              Return node to pool (memory reuse)
+     *
+     * @return {void}
+     * @method
+     * @public
+     */
+    release (): void
+    {
+        if (this.left) {
+            this.left.release();
+            this.left = null;
+        }
+        if (this.right) {
+            this.right.release();
+            this.right = null;
+        }
+        this.used = false;
+        $nodePool.push(this);
     }
 }

packages/texture-packer/src/Node/service/NodeDisposeService.ts

@@ -23,6 +23,13 @@ export const execute = (
 
     if (node.left?.dispose(x, y, width, height)) {
         if (!node.left.used && !node.right?.used) {
+            // 子ノードをプールに返却
+            if (node.left) {
+                node.left.release();
+            }
+            if (node.right) {
+                node.right.release();
+            }
             node.left = node.right = null;
             node.used = false;
         }
@@ -31,6 +38,13 @@ export const execute = (
 
     if (node.right?.dispose(x, y, width, height)) {
         if (!node.right.used && !node.left?.used) {
+            // 子ノードをプールに返却
+            if (node.left) {
+                node.left.release();
+            }
+            if (node.right) {
+                node.right.release();
+            }
             node.left = node.right = null;
             node.used = false;
         }