To edit your character's dunk animation, follow these steps: In Mycareer Mode, access the 2K Nav menu from MyCourt.
Once you've selected/unlocked the animation, be sure to equip.
The game has been praised for its realistic take on basketball and gives players the pleasure of seeing their favourite players in a more real format, thanks to the full body scans.
Another feature that has been highlighted about the game is 'better' visuals.
NBA Sprite Slam Dunk Contest 2013.
Note: If you want to make a dunk, you need to have a dunk animation equipped.