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Behavior Trees

Discussion in 'Codex Workshop' started by Davaris, Jun 10, 2012.

  1. Davaris Liturgist

    Davaris
    Joined:
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    Posts:
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    Location:
    Australia
    Jun 10, 2012 Stats Ignoring
    #1
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    I've seen BTs mentioned here a couple of times and thought some might be interested in these videos, explaining what they are and how they are used:

    Good overall explanation:

    Behavior Trees for Next-Gen Game AI
    http://aigamedev.com/insider/presentations/behavior-trees/

    Here they run through BT code, they have written and optimized using 3 methods. The code only covers Sequences and Selectors. To be useful in a game, BTs must also have Decorators, Parallel tasks and Semaphores, however I think it would be possible to add these yourself, with additional reading. The code will be released open source later in the year, so hopefully they will add the missing parts by then.

    Understanding the Second Generation of Behavior Trees and Preparing for Challenges Beyond


    You can type the code out as the video runs, or you can buy it for $10 here:

    http://aigamedev.com/insider/tutorial/second-generation-bt/

    Don't forget, it is not in a game useful state as yet.


    Older article with links that are worth following:

    Understanding Behavior Trees
    http://aigamedev.com/open/article/bt-overview/
    Yaar Podshipnik, villain of the story and Marsal Brofist this.

  2. Marsal Prophet

    Marsal
    Joined:
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    1,280
    Jun 10, 2012 Stats Ignoring
    #2
    Good stuff!

  3. Davaris Liturgist

    Davaris
    Joined:
    Mar 7, 2005
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    Australia
    Jun 16, 2012 Stats Ignoring
    #3
    Marsal Brofists this.

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