No need to be so rude. The vector one is my bad, I suck balls at visualising that stuff. Not sure why that solution didn't come up when I searched...
I was just sharing my own approach to the flight mechanics, I'll be honest I might be able to complete this project but I won't have the time to...
I'm struggling a lot with the newer APIs, but it seems @MightyOne is doing quite well, so I'll just post the flying code I wrote in case you want...
Now that I'm farther into the implementation, I can say the way I'm doing it is by simply applying thrust in the direction the player is looking....
I haven't written a Bukkit plugin since Beta 1.7 (yes, Beta) so I'm very out of practice. I'm tinkering but I don't know if I'll actually finish...
I could take a stab at that, just wanted to clarify you want the elytra to move in the direction it's facing, not like modded jetpacks that work...
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