The design and/or logic of how an in-game entity makes decisions about its behavior.

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2
votes
2answers
1k views

Algorithm for exploring/filling grid map

I'm working on a small game that takes place on a grid map. I'd like to write an AI that is able to explore the grid map by filling as much of its available space as possible. From any given position ...
0
votes
1answer
224 views

2D object move & evade obstacle

Description: Actor{ int x,y,width,height; float speed, angle; } actor is an object that move around the map every frame, actor change position(x,y) according to it’s speed & angle ...
1
vote
1answer
535 views

Monte Carlo Tree Search for simultaneous multiplayer game

I am developing AI for bomberman and i want to implement monte carlo tree search. I read that MTCS can be applied for simultanous multiplayer game. Problem i have is that i dont know how to implement ...
2
votes
5answers
515 views

Making enemy boss movement better than just moving randomly

I am making a game where I have a player spaceship on left side and an enemy spaceship (boss) on the right. I need some ideas on what my enemy should do. If I move my enemy down and up, down and up, ...
2
votes
1answer
292 views

Finding moves with multiple jumps in checkers

I'm currently working on a minimax implementation for a game of checkers in C#. The minimax itself works fine if you ignore a few bugs I've yet to fix, but I'm having some problems finding a way I can ...
2
votes
1answer
245 views

How to predict future location of a Car in a Navigation Mesh based pathfinding system?

I am developing a car based shooting game in which the Cars have to shoot each other 3/4 times and eliminate it from the game. I am trying to develop the AI for my cars now. The problem is how can I ...
9
votes
4answers
792 views

Minimax for Bomberman

I am developing clone of Bomberman game and I am experimenting with different types of AI. First I used searching through state space with A* and now i want to try different approach with Minimax ...
4
votes
2answers
314 views

AI system recommendations for a Hive mind system

Im currently starting to work on a game project where a player will be faced against an enemy which has a hive mind. I was wondering if anyone could recommend an A.I system which I could use as at the ...
7
votes
1answer
322 views

Path Finding for an Arena based map in 3D using NavMesh

I have a 3D arena map (consider a small island surrounded by water on all sides) for a multiplayer Tank fight game. The moveable areas are marked using a Navigation Mesh made by the Arena designer. ...
6
votes
4answers
633 views

Machine Learning in AI for benefit analysis round to round in a rummy like game

For fun I am building the game 5 crowns. Well I've gotten to the point where I am implementing the rules for the computer players. I've found that my decision tree has so many nodes on it that I ...
1
vote
1answer
224 views

A.I. dependencies based on components

I'm working on a turn based game in Unity. I need to perform field/grid analysis(2D grid) when i'm iterating trough each unit "entity". The A.I. should be able to plan ahead and therefor needs to ...
1
vote
3answers
240 views

One AI object for each npc

Let's think for a moment a game where you'll have around 1k npcs, each one has to take its own decisions. Should each one has an object that decides what to do, or maybe exist one to process every ...
3
votes
2answers
250 views

Behavior Tree Iteration Rate

How is a Behavior Tree iterated in a game? For example, let's assume you have an extremely large Behavior Tree with about a hundred Actions/Conditions. If we were to run one action or condition ...
2
votes
1answer
192 views

Wander algorithm for a maze [duplicate]

I am making a multiplayer coop FPS game. I have created the first monster with it's AI. I have worked out the A* algorithm for the level based on the triangles of the walkable mesh. So I can already ...
14
votes
1answer
859 views

Behavior Trees :: Actions That Take Longer Than One Tick

From what I understand on Behavior Trees, each Behavior should be a short goal oriented Action that could be done in a few iterations. So for example, below is an image of a Behavior Tree: Now let ...
37
votes
1answer
6k views

Decision Tree vs Behavior Tree

What are some differences between Decision Trees and Behavior Trees for AI Game Development? When would you use one over the other?
5
votes
1answer
445 views

How do you parameterize turn based AI?

I would like to create/find an AI algorithm/process that can be parameterized such that a change in the parameters causes a change in the AI behavior. I am specifically looking to apply this to a turn ...
1
vote
2answers
583 views

Single or Multiple Behavior Trees?

I just finished coding a generic Behavior Tree structure for my games. My question is, when creating behaviors for enemy AI's, do I create one large behavior tree with every possible configuration as ...
1
vote
1answer
183 views

Speech recognition and AI in language learning platform [closed]

I work for a publishing company that is looking to create an online virtual environment for English Language Learners. We are keen to create something immersive (virtual 3D world) through which the ...
1
vote
1answer
159 views

Path-finding with obstacles that can be destroyed

There are several buildings on the map with size n * n, and a lot of tiles of obstacles that can be destroyed. Suppose I put one soldier on (x,y) of the map, the soldier can reach a building by ...
4
votes
1answer
873 views

How would I make an air hockey AI?

I am making an air hockey game for Android using AndEngine and its Box2D extension. How would I make an AI for an air hockey game? For it to work the AI would not only need to move its paddle side ...
5
votes
1answer
1k views

How to design the AI for a board game like Risk?

I am about to develop a web game that is similar to board games like Risk, and iOS games like Lux and Strategery. I am curious to know what the concept behind the AI for such games should be like. I ...
14
votes
2answers
358 views

Territory patrol planning

I am developing a game/simulation where agents are fighting for land. I have the situation shown in the picture below: These creatures are walking around and occupying pieces of land they step on ...
8
votes
2answers
1k views

Following a path in a smooth fashion

I am currently making a 2d tower defense game with a static, predetermined lane that the enemies follow (i.e. towers cannot block the path and path finding is not the problem I am trying to solve). I ...
1
vote
1answer
68 views

Build a Cube/Prism from other varied Cubes/Prisms [closed]

I'm wondering, are there any algorithms or theories in existence (that aren't patented/proprietary/protected) that would take a series of 3d rectangular prisms (or cubes but a cube is a prism) and ...
3
votes
3answers
2k views

How should I manage the AI using lua scripts?

My game is in C++ and I want to make AI being managed by lua scripts, but I have no idea how should the scripts look like and the integration in C++. Should the script be like if ...
-1
votes
2answers
418 views

NPC AI articles for walking and fighting? [closed]

I'm looking to learn about NPC AI to solve a problem how an NPC should walk e.g. walking straight and then turn at a wall. Perhaps I can program it to walk along a line but then I still would not know ...
0
votes
1answer
182 views

DPad style movement for AI without using A*

What is the easiest way to implement DPad style movement (No diagonal) for AI without using and A* algorithm? I thought about having the enemy catch up to the player in the Y axis first then the X ...
4
votes
1answer
645 views

How to limit steering force at low velocities

Sorry if this is posted before, but I didn't find an answer for this. I've been banging my head on this for a day now and I seems to be stuck. I've implemented (see below) the 2D steering arrival ...
2
votes
2answers
622 views

How to generate houses procedurally in a voxel world?

I am developing a mod for the game Minecraft, a block-based voxel game. As part of the mod, I want to create a procedural house generator that will be generated based on specific needs/desires, such ...
7
votes
1answer
515 views

Can a rules engine produce manageable and complex AI?

I am currently in the middle of creating an AI village simulation in Java. Having implemented a simple rules engine for dialog, I am wondering if this DSL can be extended for AI. I have previously ...
-3
votes
1answer
501 views

What is a reliable and easy way to build an AI? [duplicate]

Possible Duplicate: New to creating AI - where to start? I'm making a "Mario Like" game and I was wondering how would an AI generally work? I'm thinking of that it could just go to the ...
3
votes
1answer
229 views

AI surrounding algorithm suggestions

I am building up a simulation where predator groups (tribes) try to hunt other agents in the simulation (whom also are clustered in groups). Now I got to a point where members of a group follow their ...
12
votes
4answers
1k views

Strategic AI in turnbased games?

I'm interested in how strategic AI engines work, e.g. how to evaluate where to place troops in a turnbased strategy game etc. I do get how goal based AI works, and I guess that is a good approach to ...
9
votes
2answers
432 views

How to handle entity path-finding and movement in a large networked world?

Considering the image above with tiles split into 32x32 boxes, I have an entity which is marked to 'aggro' nearby players that come close to it. I'd like this monster to ideally chase the player (and ...
4
votes
1answer
440 views

How to determine that nodes in Grid Graph are unreachable before applying pathfinding?

I would like to determine accessibility of nodes before applying pathfinding algorithm to Grid Graph. I have a surface with nodes overlayed on it and I would like to somehow determine that nodes ...
6
votes
1answer
1k views

Component/Entity-based design + Behavior Trees => how to integrate?

For my current project I implemented a component/entity-based system, basically following most of the best-practice there is in this rather undefined area. So I got (slightly extended) Entities, ...
6
votes
4answers
463 views

Implementing AI to hide behind obstacles

I am developing an AI simulation of predator and prey. I would like to simulate the AI hiding behind obstacles, if it is being chased. But I am still trying to figure out the best way to implement ...
2
votes
3answers
361 views

Abstract games that are hard to play for AI/computer? [closed]

Do you know any abstract multi- or single-player game that is hard to play for AI/computer but not so hard for humans? Being simple and popular is better.
3
votes
2answers
343 views

AI remembering obstacles without a grid

For some research purpose I've build a small tanks game where you have 1 tank controlled by a player and one or more NPC tanks. Now I want these NPC tanks to navigate through a field which they have ...
6
votes
1answer
166 views

Complexity of defense AI

I have a non-released game, and currently it's only possible to play with another human being. As the game rules are made up by me, I think it would be great if new players could learn basic game play ...
2
votes
1answer
111 views

Should pathfinder in A* hold closedSet and openedSet or each object should hold its sets?

I am about to implement A* pathfinding algorithm and I wonder how should I implement this - from the point of view of architecture. I have the pathfinder as a class - I think I will instantiate only ...
1
vote
1answer
393 views

Behavior Trees and Animations

I have started working on the AI for a game, but am confused how I should handle animations. I will be using a Behavior Tree for AI behavior and Cocos2D for my game engine. Should my ...
1
vote
0answers
150 views

How can I use iteration to lead targets?

In my 2D game, I have stationary AI turrets firing constant speed bullets at moving targets. So far I have used a quadratic solver technique to calculate where the turret should aim in advance of the ...
9
votes
1answer
321 views

Estimating costs in a GOAP system

I'm currently developing a GOAP system in Java. An explanation of GOAP can be found at http://web.media.mit.edu/~jorkin/goap.html. Essentially, it's using A* to plot between Actions that mutate the ...
-2
votes
2answers
142 views

Concept: Interpretive Spells [closed]

The goal is to be able to create complex spells, that can manipulate the game's environment in non-preprogrammed ways, and to make the program understand spells. For example: $@ $=Big @=Fire You ...
1
vote
2answers
2k views

Reversi/Othello early-game evaluation function

I've written my own Reversi player, based on the MiniMax algorithm, with Alpha-Beta pruning, but in the first 10 moves my evaluation function is too slow. I need a good early-game evaluation function. ...
3
votes
1answer
178 views

Client AI calculations vs. Server AI calculations

I have been thinking about a game which would have an AI, and the AI would ideally do extensive calculations thinking many turns in advance. I am curious if there is some way to put most of the ...
10
votes
2answers
518 views

Showing range on hexagonal grid

Here is the situation. I have hexagonal board,and a unit on it,with speed or move value 4.Diffrent terrain has a diffrent cost.When i click on the unit,game should show me a move range. My solution ...
-1
votes
3answers
492 views

How to implement smooth flocking

I'm working on a simple survival game, avoid the big guy and chase the the small guys to stay alive for as long as possible. I have taken the chase and evade example from MSDN create and drawn 20 ...