1) Draft order is not set until after the playoffs. Whoever told you that is full of it.
2) Draft order is determined exactly like it is in the nba. The first year, the Timberwolves had the 2nd best record in the league, got bounced in the first round, and had the 2nd last pick of the first round.
You need to get better sources
I love my sources, and I love it even more when I'm right ...
And one more thing I love about this draft: the 1st pick from Suns, Knicks, Bucks and Blazers can go anywhere between #1 and #9 ...
... guess that doesn't happen too often !