bp74

Joined 14 years ago

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Jul 5

Author of the StageXL for Dart library. https://github.com/bp74/StageXL

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Comment · 10 years ago

The FlexBook demo is awesome!

Comment · 10 years ago

To be clear, those added functionality is not a plugin in the sense of that you need to install it. They are just libraries that are compiled to JavaScript. In the end you just need a browser that supports HTML5.

Comment · 10 years ago

wow that is strange, thanks for telling me. The file should load without a problem!

Comment · 10 years ago

Indeed it is fast :) And yes, many AS3 developers are missing the capabilities of Flash. Therefore we built StageXL on top of Dart to have a similar developer experience.

Comment · 10 years ago

Yes absolutely! We started with a port of the AS3 runtime for DragonBones but were not happy with the code quality and the performance. Therefore we started the StageXL runtime for DrageonBones from scratch. The downside is that the new runtime does not support one or two of the features of the official runtimes. But animations like the one you showed in your example are completely covered. If you need something that is missing, just talk to us here: https://github.com/bp74/StageXL_DragonBones

Edit: Animation run at 60fps and look smooth because those animations are using bones and key frames. The runtime interpolates the motion of those bones between the keyframes.

Comment · 10 years ago

Awesome, thanks for the feedback!

Comment · 10 years ago

Yes it is. Google uses it internally with Angular Dart (a version of Angular made especially for Dart). And the Flutter project looks very interesting to built native mobile apps with Dart (instead of Java for example).

Comment · 10 years ago

Sorry i missed your second question. I would choose StageXL over PixiJS because auf the Dart language. I also use TypeScript for other project but i prefer Dart. The Dart-to-JavaScript compiler does an awesome job. It not only transpiles Dart code to JavaScript (like the TypeScript compiler does for TypeScript) but it's a real compiler with great optimization and minification. The optimizations include inlining, dead code removal, hoisting, etc. The resulting JavaScript code is not pretty to look at, but pretty damned fast at runtime.

Comment · 10 years ago

Unfortunately no, but i'm not aware of any major feature that is not supported in comparision to Pixi.js. If you find something missing in StageXL i'm happy to receive a feature request :)

Comment · 10 years ago

StageXL does also use WebGL with a fallback to Canvas. Fortunately, most browsers supports WebGL nowadays.

Comment · 10 years ago

Yes, CreateJS was one of the first libraries providing a Flash display list in HTML5. But CreateJS uses the Canvas2D api and a very limited WebGL implementation. StageXL provides much more features with full WebGL support.

Comment · 10 years ago

You can try more examples here:

http://www.stagexl.org/samples/

And you can look at some source code examples here:

https://github.com/bp74/StageXL_Samples

And StageXL also supports runtimes for Spine, Dragenbones, Flump, ...:

https://github.com/bp74/StageXL_Spine

https://github.com/bp74/StageXL_DragonBones

https://github.com/bp74/StageXL_Flump

https://github.com/bp74/StageXL_BitmapFont

Comment · 10 years ago

There is also an updated version of this benchmark: http://www.stagexl.org/example/benchmark/bunny_mark/

Comment · 14 years ago

hahaha, i totally agree - if it is 50x larger i would use a different tool too :) But as i said, if your source is 100KB it's not 50x larger, maybe it's 20% larger than hand written JS. Currently the footprint of the js-code is around 150KB. While dart2js is evolving this number is declining constantly. In the end when you add js-minification you will have a footprint of maybe 20-30KB i guess.

Comment · 14 years ago

You are right that small programs compile to pretty big JS-files, but noone should really care. I can do my "hello world" apps in javascript without a problem, the point of Dart is to write big apps! For those apps the footprint of the compiled JS-code doesn't matter at all. And you can work with nice structured source code.