Uncharted 2 AI details surface

  • Posted January 14th, 2009 at 12:52 EDT by Mike Harradence
  • 6,680 views
  • 33 Comments

Uncharted 2 game director Bruce Straley has revealed that the hotly anticipated adventure sequel will incorporate two all-new AI behaviour patterns as a result of the games inclusion of stealth-action elements.

"As a result of expanding our gameplay to account for action-stealth, there are two new behaviours added to enemies, 'investigate' and 'hunt,'" Straley told CVG.

“With 'investigate' the enemies have peripheral vision just like humans. When Drake enters this peripheral vision the enemies will look over in the direction they think they saw him in and depending on how long he was in this vision cone, they may just look or they may walk over and check out what they think they saw.”

"With the 'hunt' behaviour the enemies have already spotted Drake and are in combat with him. While in combat the enemies make certain assumptions on where Drake is based on his last known location,” he explained.

Straley added that Drake’s foes will search tenaciously for our hero should they manage to lose eye contact with him, widening their search as they go.

"If they lose eye contact with Drake for a few seconds, one or more enemies will start hunting around the area, starting with his last known location, and then spread their search out if he's not found."

Furthermore, the game’s enemies are just as nimble as Drake, possessing the ability to climb up ledges and leap across gaps in order to locate his whereabouts – a feature that in turn allows for a much more varied game environment.

Said Straley: "If they are to hunt for Drake they'll need the ability to climb on the environment, jump across gaps, and drop down from ledges to get to him. The benefit to this was our combat wasn't limited to flat terrain anymore."

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  1. kcgreatfox | El_Senor

    • 12:52pm GMT - January 14th, 2009

    pretty awesome

  2. Kurupt-The-Don

    • 1:09pm GMT - January 14th, 2009

    sounds gud to me.

  3. TekkenLord | HitMan00

    • 1:10pm GMT - January 14th, 2009

    man that stuff sounds to good to be true. never heard of an AI like this before.

  4. tabular

    • 1:16pm GMT - January 14th, 2009

    Wow. That's going to be cool. The first game already had a great balance of exploration and gunplay. Add stealth to that and you have a killer title! Looking forward to it.

  5. J08hawks | J08hawks

    • 1:16pm GMT - January 14th, 2009

     Ganna make the gameplay more realistic and more interesting sounds pretty good.

    psn id J08hawks

  6. Zephyr | Zyrak

    • 1:42pm GMT - January 14th, 2009

    nice

  7. Xandure | Xandure

    • 1:47pm GMT - January 14th, 2009

    Wow i'm impressed.  Nothing like this was even possible a couple of years ago.  Let alone possible on other consoles.  and what's even more impressive is the fact that N.D. has already maxed out the SPU's.  What else could possibly be in the game aside from more advanced A.I.  We want to know NOW!!!

  8. HARDCOREPS3

    • 1:54pm GMT - January 14th, 2009

     WOW new challenges from AI! Give it up, Drake!!!

  9. gingo | gingo

    • 1:56pm GMT - January 14th, 2009

    psn id: gingo... A.I.  is usually the hardest thing to get right in a game and if they can get this working like they say, it would be incredible

  10. DJDarkViper | DJDarkViper

    • 2:01pm GMT - January 14th, 2009

    sounds like MGS, except adding the animation capabilities of Drake :)

     

    = awesome! :D

  11. A_Ninja | Arabia_Ninja

    • 2:02pm GMT - January 14th, 2009

    love this game ... this is really a must have

  12. Oatmeal | NEJI64

    • 2:14pm GMT - January 14th, 2009

    @10 i swera that came to my mind to METAL GEAR

  13. MMDs | MMDs

    • 2:17pm GMT - January 14th, 2009

    i'm lovin it, keep improving the Uncharted engine more and more. great job ND.

  14. Orsie | Orsie

    • 2:20pm GMT - January 14th, 2009

    "The benefit to this was our combat wasn't limited to flat terrain anymore."

    could this mean that they'll be some ledge hanging fight sections, that would be fun :D

     

  15. shero

    • 2:24pm GMT - January 14th, 2009

    Lock and load

  16. iplayonlysony

    • 2:51pm GMT - January 14th, 2009

    Yep, it does sound like MGS.  But even then they gave up after a while.    What if these guys never give up?

  17. RogurtNChzz | RogurtNChzz

    • 3:10pm GMT - January 14th, 2009

    Nice im excited ! getting this fo sho!

  18. BajeGamer | Chadimus246

    • 3:28pm GMT - January 14th, 2009

    i can't wait fo rthis this.. i just hope it doesn't become a MGS.. i like uncharted how it was.. action adventure..run and shoot, kick ,cuff  ect

  19. iamcorbindallas

    • 3:37pm GMT - January 14th, 2009

    hopefully they fix the thing where the enemies are crack shots at 200 yards when they detect Drake for half a second. That was kind of unrealistic.

  20. Tseng VII | TsengVII

    • 4:08pm GMT - January 14th, 2009

    nice, very nice =)

  21. Girugamesh | Shidousha

    • 4:47pm GMT - January 14th, 2009

    Taking a page from Metal Gear Solid's book?

  22. lepolohuevo | lepolohuevo

    • 4:51pm GMT - January 14th, 2009

     Will there be an ! appearing if Nate is found? ^^

  23. polebull

    • 5:10pm GMT - January 14th, 2009

    @3 assassins creed was kinnda similar in this way...

  24. Avenger_Seraphim

    • 5:29pm GMT - January 14th, 2009

    i cant wait to play it XD

  25. Solrac | Solrac7688

    • 6:02pm GMT - January 14th, 2009

     Wow this game is starting to be pretty intense with Ai like this your gonna have to be extra careful in where you run to. Drake has his work cut out for him

  26. ZenSelai | Solrac7688

    • 6:35pm GMT - January 14th, 2009

    i think the ps3 just got a whole lot cooler, didnt think it was possible!! cant wait.

  27. Fiddlesworth

    • 8:22pm GMT - January 14th, 2009

    Uncharted 2 should have even more replay value than Uncharted and of course more variety in a single play-through.

     

  28. ChildOfIllusions | FirstAmongEquals

    • 10:16pm GMT - January 14th, 2009

    Great its not like they couldnt spot you behind an invisible cloak with sound proof shoes and snipe you with a pistol as if it were a sniper rifle. Know there going to be smarter? awesome.

  29. jigglespsu

    • 10:25pm GMT - January 14th, 2009

    And I thought the AI on the "crushing" level was tough in the first one.  Looks like I'll be starting on medium this time round :p

  30. Rukusho | Rukusho

    • 11:39pm GMT - January 14th, 2009

    MGS ?! but regard less still looking forward to it

  31. SpiderPS3 | InvisiCobra

    • 11:56pm GMT - January 14th, 2009

    so they are as capable as the player?

    very cool!

  32. itr855pr | Sotehhh

    • 12:55am GMT - January 15th, 2009

    MGS NOTHING MORE  LOL

  33. princevegeta1980

    • 5:17am GMT - January 16th, 2009

    Well naughty dog just left me without words, drake 2 has great chances of being best game of the year!

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