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35 questions linked to/from What is the role of "systems" in a component-based entity architecture?
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Say I have an entity that has these components: -Transformation -Visual Imagine that these components can nest: If I have a parent transformation component, a child transformation relies on the ...
Danny Yaroslavski's user avatar
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57 votes
3 answers
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After going over a few game design patterns, I have settle with Entity-Component-System (ES System) for my game engine. I've reading articles (mainly T=Machine) and review some source code and I ...
John Daniels's user avatar
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27 votes
4 answers
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The component based game programming paradigm is becoming much more popular. I was wondering, are there any projects out there that offer a reusable component framework? In any language, I guess I don'...
Tesserex's user avatar
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17 votes
3 answers
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This is a followup to this question, which I answered, but this one tackles with a much more specific subject. This answer helped me understand Entity Systems even better than the article. I've read ...
jcora's user avatar
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12 votes
4 answers
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I am currenty studying game development and practicing making games. I use a lot of OOP in my games. For example, each missile that is shot is an instance of a ...
user3150201's user avatar
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11 votes
4 answers
15k views

Okey, what I know so far; The entity contains a component(data-storage) which holds information like; - Texture/sprite - Shader - etc And then I have a renderer system which draws all this. But ...
hayer's user avatar
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9 votes
4 answers
6k views

What is a "pure" ECS? What makes an ECS pure or not? Although the term appears to have come up since as early as 2013 in this community, it appears that often, a user asking a question feels the need ...
Vaillancourt's user avatar
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10 votes
5 answers
13k views

In my ECS implementation, I use bit-wise operations (as described and illustrated in this thread) to tell an entity what type of components it currently consists of. So my ...
Philip Allgaier's user avatar
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10 votes
2 answers
5k views

Instead of my usual inheritance heavy game engines I'm toying with a more component based approach. However I have a hard time justifying where to let the components do their thing. Say I have a ...
Roy T.'s user avatar
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12 votes
3 answers
5k views

We start from the basic systems-components-entities approach. Let's create assemblages (term derived from this article) merely out of information about types of components. It is done dynamically at ...
Patryk Czachurski's user avatar
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6 votes
6 answers
6k views

I'm making a game that uses an Entity/Component architecture basically a port of Artemis's framework to c++,the problem arises when I try to make a PlayerControllerComponent, my original idea was this....
aaron's user avatar
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5 votes
4 answers
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First, the questions: Should each Entity (which are classes like Character, Tree, Enemy) have its own update() and render() methods? If that's the case, then should I use Interfaces like "Renderable" ...
Lucas Tulio's user avatar
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5 votes
4 answers
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I am working on a 3D game, and need some advice about how to best design and structure my code so that I achieve what I'm going for without using bad practices like multiple inheritance. Basically ...
MVTC's user avatar
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4 votes
3 answers
7k views

Say I use a basic ES approach, and also inside Systems I hold lists of all entities that Systems are required to process. How do I maintain this list of entities in desired rendering order, i.e. for ...
Patryk Czachurski's user avatar
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5 votes
3 answers
3k views

I have a game engine that currently uses inheritance to provide a generic interface to do rendering: class renderable { public: void render(); }; Each class ...
akaltar's user avatar
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