[Ep. 30] SDL Game Object (Game Entity) class design and implementation in c++ | Introduction to SDL2

Опубликовано: 08 Декабрь 2021
на канале: Mike Shah

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►SDL2 Playlist:    • SDL2 Simple Directmedia Layer
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►Lesson Description: In this lesson we are going to create a GameEntity (sometimes called GameObject) class. This will be the object that holds various components of entities (the player, objects, lights, cameras, etc.) in our game. There are many design decisions to consider, so I'll hope to provide some intuition into our design to make it extensible, and a reasonably easy data structure to maintain. There are some performance considerations when designing these types of objects, so do take time to look into data-oriented programming and other entity component systems in the future.

00:00 Introduction to Game Objects with References
2:20 Game Object or Game Entity Sketch
3:25 Review of previous abstraction
4:19 Game Entity Interface
6:22 TexturedRectangle as a component of each GameEntity
7:16 Game Entity Constructor design
9:26 Update and Render member functions
10:27 Game Entity class overview
11:33 Recap of what we have and refactor to use Game Entity
15:20 Design decision about how to set position and dimensions
19:26 Retrieving a Textured Rectangle component from Game Entity
23:40 Refactor and a few bug fixes and a working Game Entity
27:30 A working game object and conclusion

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