diff --git a/extensions/oops-framework/assets/core/utils/PhysicsUtil.ts b/extensions/oops-framework/assets/core/utils/PhysicsUtil.ts
new file mode 100644
index 0000000..6277717
--- /dev/null
+++ b/extensions/oops-framework/assets/core/utils/PhysicsUtil.ts
@@ -0,0 +1,47 @@
+/*
+ * @Author: dgflash
+ * @Date: 2022-07-21 17:30:59
+ * @LastEditors: dgflash
+ * @LastEditTime: 2022-07-21 17:30:59
+ */
+import { Node } from "cc";
+
+export class GroupItem {
+    private _value: number;
+    public get value(): number {
+        return this._value;
+    }
+
+    private _name!: string;
+    public get name(): string {
+        return this._name;
+    }
+
+    public get mask(): number {
+        return 1 << this._value;
+    }
+
+    constructor(value: number, name: string) {
+        this._value = value;
+        this._name = name;
+    }
+}
+
+/***
+ * 为了方便使用，将编辑器中的物理分组定义到代码。如果编辑器中有修改，确保同步到这里。
+ */
+export class PhysicsUtil {
+    public static DEFAULT = new GroupItem(0, 'DEFAULT');
+    /** 能通过屏幕触摸中发出的射线检查到的游戏对象 */
+    public static GAME_OBJECT_SELECT = new GroupItem(1, 'GAME_OBJECT_SELECT');
+    /** 玩家自己 */
+    public static GAME_OWNER = new GroupItem(2, 'GAME_OWNER');
+
+    public static setNodeLayer(item: GroupItem, node: Node) {
+        node.layer = item.mask;
+        node.children.forEach(n => {
+            n.layer = item.mask;
+            PhysicsUtil.setNodeLayer(item, n);
+        });
+    }
+}
\ No newline at end of file
diff --git a/extensions/oops-framework/assets/core/utils/PhysicsUtil.ts.meta b/extensions/oops-framework/assets/core/utils/PhysicsUtil.ts.meta
new file mode 100644
index 0000000..fb76781
--- /dev/null
+++ b/extensions/oops-framework/assets/core/utils/PhysicsUtil.ts.meta
@@ -0,0 +1,9 @@
+{
+  "ver": "4.0.23",
+  "importer": "typescript",
+  "imported": true,
+  "uuid": "c15849ee-bc8f-47b4-9e48-1dc985101cd1",
+  "files": [],
+  "subMetas": {},
+  "userData": {}
+}