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en/news/2018-10-02-mahjong-demo2.md

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+Title: OGS Mahjong 2: Demo 2
+Date: 2018-10-02 00:00
+Category: News
+Slug: mahjong-demo2
+Lang: en
+
+![Start of a Mahjong party][screenshot]
+
+We are glad to announce the release of the second demonstration of OGS Mahjong 2.  The purposes of this release were to refine our development techniques and build a solid cross-platform foundation.
+
+**Release**
+
+Run the latest version of OGS Mahjong 2 in your web browser: [http://ogstudio.github.io/ogs-mahjong](http://ogstudio.github.io/ogs-mahjong)
+
+You are encouraged to run the game with `seed` parameter like this: [http://ogstudio.github.io/ogs-mahjong?seed=0](http://ogstudio.github.io/ogs-mahjong?seed=0)
+
+This allows you to play the same layout each time you launch the game.
+
+Each seed uniquely identifies the placement of tiles. Thus, different seeds give you a different experience.
+
+**Development techniques and foundation**
+
+During the second demonstration development, we switched from standard development to [example-driven one][article-2018-june]. This resulted in the creation of three distinct repositories to back the development of OGS Mahjong 2:
+
+* [OpenSceneGraph cross-platform examples][osgcpe] repository provides cross-platform foundation like resource handling, render window setup, etc.
+* [OGS Mahjong components][omc] repository provides Mahjong specific functionality like parsing layout, matching tiles, etc.
+* [OGS Mahjong][ogs-mahjong] repository contains snapshots of `OGS Mahjong components` features that comprise specific game version. E.g., `Demo 2` version is almost identical to [05.ColorfulStatus][omc-05] example of `OGS Mahjong components`.
+
+**Beyond Mahjong solitaire**
+
+In addition to `seed` parameter, you can let the game use remote layout hosted at GitHub: [http://ogstudio.github.io/ogs-mahjong?seed=0&layout=github://OGStudio/ogs-mahjong-components/data/cat.layout](http://ogstudio.github.io/ogs-mahjong?seed=0&layout=github://OGStudio/ogs-mahjong-components/data/cat.layout)
+
+Utilizing remote resources is an extremely powerful approach allowing anyone to create a layout of his/her choice and see the layout in action instantly.
+
+Our next step is to turn game logic into a resource, too.
+
+[screenshot]: ../../images/2018-10-02-mahjong-demo2.png
+
+[article-2018-june]: example-driven-development.html
+[osgcpe]: https://github.com/OGStudio/openscenegraph-cross-platform-examples
+[omc]: https://github.com/OGStudio/ogs-mahjong-components
+[ogs-mahjong]: https://bitbucket.org/ogstudio-games/ogs-mahjong
+[omc-05]: https://github.com/OGStudio/ogs-mahjong-components/tree/master/05.ColorfulStatus