PixiJS
concise-encoding
PixiJS | concise-encoding | |
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116 | 22 | |
42,610 | 255 | |
0.8% | - | |
9.9 | 7.2 | |
about 16 hours ago | 7 months ago | |
TypeScript | ANTLR | |
MIT License | GNU General Public License v3.0 or later |
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For example, an activity of 9.0 indicates that a project is amongst the top 10% of the most actively developed projects that we are tracking.
PixiJS
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Release Radar • March 2024 Edition
If you're into video game dev, then PixiJS is something you need to know about. It's a HTML5 game engine that provides a lightweight 2D library across all devices. This latest update has a new package structure, custom builds, graphics API overhaul, and lots more. You can read about all these changes in the PixiJS Migration Guide. Also big congrats to PixiJS for being part of the open source community for ten years now! 😮.
- Ask HN: Tips to get started on my own server
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JavaScript Libraries That You Should Know
6. Pixi.js
- JSON Canvas – An open file format for infinite canvas data
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A Visual Interactive Guide to Bloom Filters
https://pixijs.com/ and https://gsap.com/. All of the source code for my posts can be found at https://github.com/samwho/visualisations :)
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My thought on different engines
For full web games (yeah, I come from the web, so I try to make my family proud), I will recommend PixiJS. It has great support for TypeScript and works very well with Vite. It's lighter than other game engines, so it's better for web games. But you will need to do a lot of things by yourself.
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Not only Unity...
PixiJS (MIT/TypeScript) https://github.com/pixijs/pixijs
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Rebuilding Isometric World
That approach works well for what I was trying to archive but I am planning on adding more functionality into the website. Hence in this article, let me rebuild the project using Pixi.js and it’s React binding, React Pixi.
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Ask HN: Possible to make a game engine in the browser?
https://openarena.live/
There's also a bunch of Javascript game engines: https://github.com/collections/javascript-game-engines
Of those, BabylonJS seems pretty powerful for 3D: https://www.babylonjs.com/games/
Or PixiJS for 2D: https://pixijs.com/
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Consider web technologies for game development
https://pixijs.com/ is more of a 2D rendering framework, but powerful and very fast
concise-encoding
- Ask HN: What Underrated Open Source Project Deserves More Recognition?
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It's Time for a Change: Datetime.utcnow() Is Now Deprecated
"Local time" is time zone metadata. I've written a fair bit about timekeeping, because the context of what you're capturing becomes very important: https://github.com/kstenerud/concise-encoding/blob/master/ce...
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RFC 3339 vs. ISO 8601
This is basically why I ended up rolling my own text date format for Concise Encoding: https://github.com/kstenerud/concise-encoding/blob/master/ct...
ISO 8601 and RFC 3339 are fine for dates in the past, but they're not great as a general time format.
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Ask HN: Please critique my metalanguage: “Dogma”
This looks similar to https://concise-encoding.org/
Dogma was developed as a consequence of trying to describe Concise Binary Encoding. The CBE spec used to look like the preserves binary spec, full of hex values, tables and various ad-hoc illustrations: https://preserves.dev/preserves-binary.html
Now the CBE formal description looks like this: https://github.com/kstenerud/concise-encoding/blob/master/cb...
And the regular documentation looks like this: https://github.com/kstenerud/concise-encoding/blob/master/cb...
Dogma also does text formats (Concise Encoding has a text and binary format, so I needed a metalanguage that could do both in order to make it less jarring for a reader):
https://github.com/kstenerud/concise-encoding/blob/master/ct...
https://github.com/kstenerud/concise-encoding/blob/master/ct...
- Concise Encoding Design Document
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Keep ’Em Coming: Why Your First Ideas Aren’t Always the Best
Hey thanks for taking the time to critique!
I actually do have an ANTLR file that is about 90% of the way there ( https://github.com/kstenerud/concise-encoding/tree/master/an... ), so I could use those as a basis...
One thing I'm not sure about is how to define a BNF rule that says for example: "An identifier is a series of characters from unicode categories Cf, L, M, N, and these specific symbol characters". BNF feels very ASCII-centric...
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Working in the software industry, circa 1989 – Jim Grey
It's still in the prerelease stage, but v1 will be released later this year. I'm mostly getting hits from China since they tend to be a lot more worried about security. I expect the rest of the world to catch on to the gaping security holes of JSON and friends in the next few years as the more sophisticated actors start taking advantage of them. For example https://github.com/kstenerud/concise-encoding/blob/master/ce...
There are still a few things to do:
- Update enctool (https://github.com/kstenerud/enctool) to integrate https://cuelang.org so that there's at least a command line schema validator for CE.
- Update the grammar file (https://github.com/kstenerud/concise-encoding/tree/master/an...) because it's a bit out of date.
- Revamp the compliance tests to be themselves written in Concise Encoding (for example https://github.com/kstenerud/go-concise-encoding/blob/master... but I'll be simplifying the format some more). That way, we can run the same tests on all CE implementations instead of everyone coming up with their own. I'll move the test definitions to their own repo when they're done and then you can just submodule it.
I'm thinking that they should look more like:
c1
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Breaking our Latin-1 assumptions
Ugh Unicode has been the bane of my existence trying to write a text format spec. I started by trying to forbid certain characters to keep files editable and avoid Unicode rendering exploits (like hiding text, or making structured text behave differently than it looks), but in the end it became so much like herding cats that I had to just settle on https://github.com/kstenerud/concise-encoding/blob/master/ct...
Basically allow everything except some separators, most control chars, and some lookalike characters (which have to be updated as more characters are added to Unicode). It's not as clean as I'd like, but it's at least manageable this way.
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I accidentally used YAML.parse instead of JSON.parse, and it worked?
You might get a kick out of Concise Encoding then (shameless plug). It focuses on security and consistency of behavior.
https://concise-encoding.org/
In particular:
* How to deal with unrepresentable values: https://github.com/kstenerud/concise-encoding/blob/master/ce...
* Mandatory limits and security considerations: https://github.com/kstenerud/concise-encoding/blob/master/ce...
* Consistent error classification and processing: https://github.com/kstenerud/concise-encoding/blob/master/ce...
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Ask HN: Who Wants to Collaborate?
In the above example, `&a:` means mark the next object and give it symbolic identifier "a". `$a` means look up the reference to symbolic identifier "a". So this is a map whose "recusive link" key is a pointer to the map itself. How this data is represented internally by the receiver of such a document (a table, a struct, etc) is up to the implementation.
> - Time zones: ASN.1 supports ISO 8601 time types, including specification of local or UTC time.
Yes, this is the major failing of ISO 8601: They don't have true time zones. It only uses UTC offsets, which are a bad idea for so many reasons. https://github.com/kstenerud/concise-encoding/blob/master/ce...
> - Bin + txt: Again, I'm unclear on what you mean here, but ASN.1 has both binary and text-based encodings
Ah cool, didn't know about those.
> - Versioned: Also a little unclear to me
The intent is to specify the exact document formatting that the decoder can expect. For example we could in theory decide make CBE version 2 a bit-oriented format instead of byte-oriented in order to save space at the cost of processing time. It would be completely unreadable to a CBE 1 decoder, but since the document starts with 0x83 0x02 instead of 0x83 0x01, a CBE 1 decoder would say "I can't decode this" and a CBE 2 decoder would say "I can decode this".
With documents versioned to the spec, we can change even the fundamental structure of the format to deal with ANYTHING that might come up in future. Maybe a new security flaw in CBE 1 is discovered. Maybe a new data type becomes so popular that it would be crazy not to include it, etc. This avoids polluting the simpler encodings with deprecated types and bloating the format.
What are some alternatives?
Konva - Konva.js is an HTML5 Canvas JavaScript framework that extends the 2d context by enabling canvas interactivity for desktop and mobile applications.
cue - The home of the CUE language! Validate and define text-based and dynamic configuration
Phaser - Phaser is a fun, free and fast 2D game framework for making HTML5 games for desktop and mobile web browsers, supporting Canvas and WebGL rendering. [Moved to: https://github.com/phaserjs/phaser]
joystick - A full-stack JavaScript framework for building stable, easy-to-maintain apps and websites.
react-canvas - High performance <canvas> rendering for React components
postal-codes-json-xml-csv - Collection of postal codes in different formats, ready for importing.
A-Frame - :a: Web framework for building virtual reality experiences.
futurecoder - 100% free and interactive Python course for beginners
Leaflet.PixiOverlay - Bring Pixi.js power to Leaflet maps
FrameworkBenchmarks - Source for the TechEmpower Framework Benchmarks project
cocos2d-html5 - Cocos2d for Web Browsers. Built using JavaScript.
cue - CUE has moved to https://github.com/cue-lang/cue