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Post news RSS TinyKeep's AI System (Part 4 of 5)

Learn about how we accomplish Group Chasing Behaviours. Also, today we introduce a new monster - the Skeleton Archer with Ranged Attacks!

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We're getting there! But not quite fast enough! But in the meantime, welcome to Part 4 of our AI series of updates:


In Part 2 (Retreating) we briefly touched on how Fire Imps in each other's line of sight were connected as a group, and they would share alert levels. Today, I'm going to explain a little bit more about how group movement works - and also introduce a new monster to the pack: The Skeleton Archer, with its Ranged Attacks! Combine Archers and Skeletons together and you have quite a challenging group of foes to deal with.

Try the interactive demo: Tinykeep.com

Or take a look at our previous demos at the usual place: Tinykeep.com

Apart from the new Archer behaviours, there's no special code to formulate groups here. It just so happens that a combination of melee type Skeletons (who are extremely aggressive and will chase you down as much as possible) and ranged Archers (who are cautious and will try to maintain a certain distance from you) results in quite effective emergent behaviour - it almost looks like they are working together.

More Ideas for Group AI

The above shows very basic, fundamental rules for group interaction. It's a work in progress - but we plan on bringing you more complex manoeuvres in regards to group tactics. Depending on the monster type, critters will be able to do the following:

  • Monsters won't attack if they are alone, and will flee instead. Some intelligent ones will flee towards a known group of other monsters. This results in luring, pulling the character towards a more dangerous area and then attacking again.
  • Wounded skeletons prefer to escape while their friends are locked in battle - to go and find corpses, heal, and return to the fray later.
  • Leaders - if a Skeleton King is in the area, his minions will tend to follow and do what he does.
  • Flanking - if the player is currently engaged in battle, other monsters will attempt to flank you from either side or behind.

There are more ambitious plans for bosses/leaders and how their monsters interact with them - but we can't give too much away, part of the fun is discovering them for yourself!

Comments
Pabo
Pabo - - 179 comments

I'm thinking that Illusions would come in extremely handy when countering the group behaviour ;). Thank you for another interesting look at your AI system.

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