3. Hello World

data/1.游戏开发入门初阶/1.Godot Engine入门/4.Hello World/config.json

+{
+  "node_id": "game-73781824af714b958ed07890c58df8f3",
+  "keywords": [],
+  "children": [],
+  "export": [
+    "learn.json"
+  ],
+  "keywords_must": [],
+  "keywords_forbid": [],
+  "group": 0
+}
\ No newline at end of file

data/1.游戏开发入门初阶/1.Godot Engine入门/4.Hello World/learn.json

+{
+  "type": "code_options",
+  "author": "hello_tute",
+  "source": "learn.md",
+  "notebook_enable": false,
+  "exercise_id": "4eab4cb819514d7baf3c4c239a4c5cc3"
+}
\ No newline at end of file

data/1.游戏开发入门初阶/1.Godot Engine入门/4.Hello World/learn.md

+# 3.Hello World
+
+请先阅读本节讲义[《Hello World》](https://blog.csdn.net/ttm2d/article/details/104534235)
+
+使用Godot引擎制作2D游戏时，负责表现一个2D角色的常用节点是？
+
+
+## 答案
+
+Sprite节点
+
+## 选项
+
+### A
+
+Spatial节点
+
+### B
+
+Node2D节点
+
+### C
+
+Node节点

data/tree.json

@@ -61,6 +61,16 @@
                       "keywords_forbid": [],
                       "group": 0
                     }
+                  },
+                  {
+                    "Hello World": {
+                      "node_id": "game-73781824af714b958ed07890c58df8f3",
+                      "keywords": [],
+                      "children": [],
+                      "keywords_must": [],
+                      "keywords_forbid": [],
+                      "group": 0
+                    }
                   }
                 ],
                 "keywords_must": [],