single player vehicles are very possible
not very many people have done it though
the best way to do it, in my opinion would be to have the player be set to invisible when the thing is activated, the player attached to the vehicle, the vehicle's model changed to be that of the vehicle+the player, and the player's view set to the thing
or just delete the vehicle and change the player's model and pup file
that would work even better
and for two player vehicle, that would work, but it would be even harder
you'd have to have 2 things (the pilot/driver half, and the gunner half) and make them attached, and do several long odd deletes and attaches and moves and model changes and pup changes, etc. to make it work
but it is possible
if I had my jedi knight cd, I'd start on it, but I don't have it
it got lost about a year and a half ago
I actually got about 75% done on a one person vehicle, but then I lost my jedi cd, and with no cd, no jed, and with no jed, no levels, and with no levels, no cog implementation/testing
grrrrrrrrrrr
oh well
if anyone knows how to use jed without a cd, contact me
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*eats pie*
And meanwhile the bus with legs has destroyed half of disneyland . . . and nobody cares!