For a very basic (?) free animation you can use inside Moi Elephant! (by Max Smirnov) ;)

Following by r2d3 (?) http://moi3d.com/forum/index.php?webtag=MOI&msg=7777.799




You can use it directly without any code with any objects and path the r2d3 master piece!
http://moi3d.com/forum/index.php?webtag=MOI&msg=7777.878


Or simply animation of Commands ;)


Look at my repository for some ideas :) English / French
http://moiscript.weebly.com/biblio-elephant.html



For a more elaborated exterior aspect + materials, wind, vegetation, ocean, seasons etc...but not more for the basic animation (Only along a path)
try the free TwinMotion! I hope that you can load it because November is the dead line but i don't now if it's start or begin month!
https://www.unrealengine.com/en-US/twinmotion



With moi objects