Hoverboards for minetest

Description

Add hoverboards to minetest

• Hummer: controls really to review
• I-Wheel: Done
• Scooter: No model yet
• Auto stabilize model: No model yet

It is mostly intended to be used with minetest_game, but other games may be compatible. Not ultra laggy but there is really improvements to be done

Licence

Code under MIT licence terms Artwork under Free Art License