godot-start/doc/demo02_base/base.md

- 参考资料
- [godot官方文档](https://docs.godotengine.org/en/stable/getting_started/scripting/gdscript/gdscript_basics.html)
- [Godot Tutorials的GDScript Fundamentals Tutorial Series，youtube播放量最高的godot教程视频](https://www.youtube.com/watch?v=JJQa3xrRNM0&list=PLJ690cxlZTgL4i3sjTPRQTyrJ5TTkYJ2_)
- [Godot Tutorials的Godot Basics Tutorial Series，youtube播放量最高的godot教程视频](https://www.youtube.com/watch?v=sChM51ibm5k&list=PLJ690cxlZTgIsmdEhFufnB7O6KWoMS8M6)
- [B站视频](https://www.bilibili.com/video/BV17g4y1z7uS)

# 数据类型
- gds有5种基础类型
    - Boolean，Integer(Java long)，Float(Java double)，String，Null

![Image text](image/integer.JPG)
![Image text](image/integer_overflow.JPG)
![Image text](image/step.JPG)


# 垃圾回收

![Image text](image/gc.JPG)
![Image text](image/gc1.png)
![Image text](image/gc2.png)
![Image text](image/gc3.png)