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How to Learn AI Scripting

I'm currently learning how to script. I've got most of the basics down. My team is developing a game pretty fast, so is there any tutorials in which to get me started on scripting AI. Thanks in advance.


I have some more experience with scripting, so are their any tutorials specifically for scripting AI. I don't need anything specific about AI, just some tutorials on basic concepts to get down. If you don't have any resources, tips would be nice too.

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asked Aug 02, 2011 at 10:19 PM

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Lovely comments in here. :-) Well.. for the task you describe it's no biggie (book a couple of hours of testing and a couple of days of developing though into your calendar). So here's some thoughts that might help on the way:

You create checkpoints (as a simple example) for a computer driven character. You make sure that it follows these checkpoints in a correct order of sequence. The movement of how it progresses is merely up to what your game looks like. I would make the character physic driven where script control the aiming of the rigidbody towards each checkpoint, to do this you make great use of raycasts and SweepTests. The rays will act as the very eyes (or tentacles if you will) of the character.

When the character is aiming towards its goal you can go full speed - When the character is oversteering you can simply decrease the speed of the moving rigidbody so it gets time to aim towards its goal. Randomize the target area of a single checkpoint to not get exactly the same movement every time. Small adjustments like this will make it seem very much alive.

For different behavior logic you can make use of enums, they'll make the logic seem even more logical for you as a developer (if that makes sense). With this method you can trigger different events on given situations, for instance if no target is in sight and everything seems clear towards next checkpoint you make a switch for "lonesomeFlyMode", when danger occurs you switch to "barrelrollMyAssOutOfHere" / "bringOutTheBigGuns" - and so on.

Its all a matter of how complex things has to be, many events might even be able to be animated, a question you should always ask yourself before entering the realm of artificial intelligence.

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answered Aug 03, 2011 at 07:57 PM

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Wow... That has been the best answer I've heard in forever! Thanks.

Aug 03, 2011 at 08:18 PM Overlord

If you want a complete script on how to do something like that.. take a look how the cars follow a path in this car tutorial, step 5 : AI gotow.net/andrew/blog

This is an extremely simple AI script and shouldn't be too tough to implement. Good luck :)

Aug 03, 2011 at 08:33 PM Meltdown

I forgot about that once again @Meltdown, great add. :-)

Aug 04, 2011 at 06:10 AM save
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Funny, the Related Questions box in the lower right corner of this page, showed me this link:


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answered Aug 02, 2011 at 10:29 PM

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Yeah. I already looked at that. I need tutorials to help me script my OWN.

Aug 02, 2011 at 10:48 PM Overlord

okay, tell me. WHAT kinda AI. AI is just "artificial intelligence". what sort of AI do you want to learn?

Aug 02, 2011 at 10:52 PM BerggreenDK

in other words: what should it perform, once its working? reminder, AI's often arent that clever, they just act by patterns that you think is clever.

Aug 02, 2011 at 10:53 PM BerggreenDK

From that link you'll find a run-down, from Intel, on AI design. There are a number of articles in that series and I suggest you read them.

Aug 02, 2011 at 11:06 PM Chris D

Well, I want the AI to appear like it's fighting other AI, but doesn't have to actually do that (Space Battle)

Aug 02, 2011 at 11:14 PM Overlord
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answered Aug 02, 2011 at 10:27 PM

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asked: Aug 02, 2011 at 10:19 PM

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Last Updated: Aug 19, 2011 at 01:35 AM