Requirements for Development
Java 17 must be installed. Newer versions may work only for the desktop.
Sound + Midi support
https://github.com/mgsx-dev/gdx-pd
Graphics
How to scale graphics - ?
https://github.com/leonbloy/pngj
https://www.nayuki.io/page/png-library
https://github.com/nayuki/BMP-IO?tab=readme-ov-file
https://www.nayuki.io/page/bmp-io-library-java
https://github.com/PyroSamurai/JBL
https://github.com/nayuki/PNG-library
https://image4j.sourceforge.net/
https://libgdxinfo.wordpress.com/basic_image/
Animation
https://github.com/WinterAlexander/gdx-animation
https://libgdx.com/wiki/graphics/2d/2d-animation
https://gamefromscratch.com/libgdx-tutorial-3b-simple-animation/
https://gamefromscratch.com/libgdx-video-tutorial-sprite-animation/
https://www.pixnbgames.com/blog/libgdx/frame-by-frame-animations-in-libgdx/
https://www.codeandweb.com/texturepacker/tutorials/libgdx-sprite-sheet-tutorial
https://www.reddit.com/r/libgdx/comments/18bghen/how_can_i_get_an_animation_to_be_timed_correctly/
Sprite Tools
Generating sprite animations to gifs
https://genuinecoder.com/how-to-create-gif-from-multiple-images-in-java/
Detection of sprite positions.
Support for web and mobile platforms (Android, iPhone)
It is a good idea to ensure, that Open Eggbert is runnable on web and mobile platforms.
https://stackoverflow.com/questions/2590850/threading-in-gwt-client
https://stackoverflow.com/questions/28267316/libgdx-not-work-on-android-api-21
Networking
https://www.reddit.com/r/libgdx/comments/4rtdph/what_are_some_networking_options_for_libgdx/
Screens
https://www.gamedevelopment.blog/full-libgdx-game-tutorial-loading-screen/
2D physics engines
https://github.com/erincatto/box2d-lite
https://github.com/dyn4j/dyn4j
https://github.com/jwvhewitt/Slick2d-Game-Engine
How to create a Java Platformer game
https://longbaonguyen.github.io/courses/platformer/platformer.html