https://libgdx.com/dev/import-and-running/
Also, "releases" section already have an archive with a jar file that can be run without an IDE.
Ship always looks in the direction of the mouse cursor.
W/A/D - move forward/left/right
LMB - shot (when you shoot yourself with the laser, you lose control for a short time)
F1 - pause, show controls hint
F5 - restart the game
F6 - add asteroid
F7 - toggle debug information
F11 - toggle full screen
All code in the folder /core/src/com/codeandweb/physicseditor/ is not mine. I've imported it to use the object model collage editor. Read more here: https://www.codeandweb.com/physicseditor.