Game Development

Questions tagged [ai]

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

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1answer
104 views

Struggling to get AI to repeat infinitely

I am following this as a guideline to help me figure out a simple AI for an enemy as I am new to java. https://www.javacodegeeks.com/2014/08/game-ai-an-introduction-to-behaviour-trees.html https://...
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1answer
21 views

Manually update rotation of only Y-axis on Agent

I have some code to manage to rotation of my Navmesh agents: ...
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1answer
41 views

2D party follow the leader in Unity?

I am attempting to make a 2d side-scrolling platformer where the player collects other characters as they advance through the levels, like you would in a classic top down rpg. However, I am having a ...
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0answers
24 views

Unexpected changes in Ai population

I've been trying to do my first evolution script. I want my population to learn to walk in 3d space. I am getting issues with the movements and the mutation. In my script, they evolve based on certain ...
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2answers
181 views

Moving large group of units 1 by 1 takes too long, how can I improve this?

I use use Unity's own NavMesh/AI system and I think it works pretty well. The only problem I have is that when I move large groups of units, they will find a path one by one, but it takes a really ...
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31 views

Improving Utility AI to have “strategy thinking”

Consider Utility AI - where an agent is decide its next move by the one that gains the maximal utility. I wonder what general tweaks/improvments there are to this model in order to make it with a bit ...
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22 views

Unity - Moving X amount of units to destination, RTS style movement

I have a reached a point now where I can select X amount of units, and move them to where I click. My problem is, they all try to get to the same point. I use Unity's own Navmesh + agent. I set ...
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0answers
17 views

Having difficulty integrating flow field with flocking algorithm

I have been tweaking my path-finding in my game for a while now, and it's mostly functional, but there are some major issues that are holding me up. I have a flocking algorithm implemented to help ...
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0answers
16 views

Steering behaviours that gaurentee not to hit something

I'm really struggling how people make steering behaviours that guarantee a given agent will never hit something. I want to have a flocking algorithm that the agents can follow each other and also ...
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2answers
102 views

Balance advantage of having the first turn

I'm developing a game in which two players compete for area domination. Each player can play four moves per turn, ideally conquering four tiles. Edit: Here a little more detail on the mechanics: Each ...
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0answers
44 views

Move Unity NavMeshAgent at a constant speed

My NavMeshAgent randomly changes speed while moving along it's path. It seems to be slower when a segment of a path is shorter (between two waypoints/corners) or when there are many close continuous ...
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0answers
51 views

RTS Pathfinding without collision between units Options

Ever since I made my units move to a certain location a problem has popped up that of course if I try to make two or more units go to the same place they fight for the same spot. Am I just being ...
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0answers
52 views

Most efficient way to recalculate enemy A* path on the fly?

I'm working on implementing a more robust pathfinding algorithm for the enemies in my top-down shooter game, and I have the A* algorithm working, but now I need to decide when to calculate the path. ...
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23 views

D* lite optimized: what is wrong in my implementation of Search() function?

I'm trying to implement the D*-Lite pathfinding algorithm, as described in the 2002 article by Koenig and Likhachev for grid-based navgraph. But I stuck with problem. My ComputeShortestPath (in my ...
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2answers
125 views

How can I make my race game fair with all players and keep it climatic?

I'm making a minigame where up to 5 players have to race against AI or another player(the "enemy"). The race consists of prompts, the current player is asked to press a key in a given amount of time ...
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2answers
96 views

Catan Optimal Placement

Is it possible to calculate the best possible placements for settlements in Catan without using an ML algorithm? While it is trivial to simply add up the numbers surrounding the settlement (highest ...
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1answer
40 views

How to make a follower script without diagonal movement

I’m working on a 2d game in unity. Right now I’m trying to make a follow ai. Where a character will follow the position of the player. I currently have it set it and working using the MoveTowards ...
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1answer
183 views

How to Store AI Knowledge about the Game-World for AI Decision Making

I have a game-world with a fair amount of AI that have some Senses, like vision, hearing, touch, smell, etc. But I'm not sure how to put that information in a single place for the individual AI to ...
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1answer
524 views

How to use TensorFlow in Unity

I am trying to implement a deep reinforcement learning IA with TensorFlow for a checker game in Unity. How can I do this? I've searched for it on Google and found a lot of videos and tutorials on how ...
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0answers
30 views

Player Ai for games involving scoring goals like soccer, hockey, basketball?

I've been working on a soccer game, and was thinking of different ways to program player AI's and was wondering how they actually work. The concept is probably similar to all games where there are ...
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2answers
282 views

2D active ragdoll/physics-based procedural animation

I'm trying to make a 2D quadraped robot stand and walk via physics. My robot looks like this. (art is not mine. Source is vapgames) It's rigged via Unity's 2D animation package and each joint/bone ...
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1answer
30 views

Find the direction a Projectile should be fired from a Moving Object to hit another moving Object?

I am trying to do a simple AI Controller, which fires Missiles at the surrounding targets in the Scene. The AI Controller can fire projectiles when moving or stationary. The Targets are either ...
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1answer
68 views

Moving an Enemy Toward the Player but only in cardinal+diagonal directions

I am working on a "quick project" to get my feet wet and to put something finished in my projects. I want to make an enemy that constantly tries to be aligned with the player object, but doesn't ...
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0answers
31 views

How to check in Unity whether tile B can be reached in a straight line from tile A?

I'm currently trying to smooth out my A* paths based on this article. This is what I want to achieve: But sadly I'm stuck at implementing the Walkable method. I ...
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2answers
128 views

AI Behaviour design pattern which handles lots of diverse behaviours and mechanics?

I'm working on an 2D overhead topdown game in Unity3D and I want the enemies to have lots of diverse behaviours. How should I design the architecture with this in mind? For example I want: A simple ...
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1answer
71 views

How to Steer a Moving Object Away From Another Object(s)

I'm working with C# in Unity, and I'm making a top-down space shooter game in which there are many different AI-controlled ships flying around. The problem is that these ships often fly on top of one ...
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1answer
43 views

How does one organize AI interactions with Local and Remote Players?

Scenario: In a first-person multiplayer game, an AI monster grabs a player. (This would be first-person player on the client's local machine, and a third-person remote player on the master and other ...
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3answers
7k views

Efficiently pathfinding many flocking enemies around obstacles

I'm working on trying to improve the pathfinding for my game's enemies. Right now, they basically just constantly move towards the player's exact position by calculating the angle between themselves ...
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0answers
15 views

2d topdown enemy moving to player without overlap

I'm attempting to make an enemy move towards a player in a topdown 2d game. Currently I have it working, by getting the angle from the enemy to the player, then sin and cos to get the destination ...
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2answers
63 views

How to make a gameObject follow non trivial trajectories?

as the title of the question says, I was wondering if there is common method to make gameObjects e.g. enemies or bullets follow curvilinear trajectories before reaching their target. For instance, ...
2
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2answers
47 views

Why is the Enemy not changing direction when entering the collider?

I'm really new to Unity, and I'm trying to make a 2.5D platform game. I want to make my enemies walk on a platform and turn when they reach the end of the platform so I placed two triggers at the ...
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2answers
100 views

How can I make a computer opponent for my board game?

I am trying to create a game, not exactly checkers, but the level of its interactivity is on par with checkers as opposed to something more complex (I think) like chess. Anyway, according to my ...
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1answer
89 views

How to prevent enemies from oscillating left and right during chase?

I have a grounded enemy with a simple chase state. When in this state, the enemy moves with constant vel.x toward the player. If my player jumps directly above the enemy however, the enemy will ...
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3answers
338 views

How to Prevent Enemy Overlap

I am working on a 2D side-scrolling action platformer. I am currently working on the state logic for my enemies. These are humanoid enemies that walk on the ground They currently have idle, patrol, ...
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0answers
84 views

How to develop a bot for a(n) (arbitrary) FPS game without a game API?

I've been interested in artificial intelligence in computer games for a long time. The question that I have been asking for a long time and to which I have not yet found an answer is the following: ...
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0answers
46 views

Using MCTS in Unreal Engine

I have been making a turn-based board game in UE4 and have come to the point of making a first pass on the AI. I planned to use Monte Carlo Tree Search but this requires you to make (at least) one ...
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0answers
43 views

Emerald AI animal not fleeing

Hey guys I have set up a =n animal to be a cautions cowered but he stops instead of running away. I am using unity version 2018.3.11 with emerald AI 2.2. Here is how I have the scene set up : Emerald ...
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3answers
190 views

Algorithm for a dense crowd of people who avoid the player?

I want to make a game like this. When player moves other humans will move too. And other humans will push people around. Are there any algorithm for this ? How can i solve this very efficient way ? I ...
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2answers
58 views

Pathfinding with direction considerations

Consider the following road network. The car (orange) needs to get to the red circle. It drives on the right hand side of the road and is initially facing down. The shortest path is the blue one. But ...
3
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0answers
111 views

Coding Relationships in Games [closed]

I'm interested in researching coding techniques for coding relationships in games. I'm trying to look for resources, but haven't really come across anything yet. More specifically, in games where ...
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1answer
68 views

How to change the speed of an NPC?

I created a blueprint. I added several components to the blueprint. I made it follow a target point and it does it correctly. I'd like to make the NPC make this way to the target point faster, but I ...
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1answer
106 views

How to stop switching between paths to a moving target?

I've noticed after implementing A* pathfinding into my game, that there is exploitable/unrealistic behavior that goes on when the player moves between two nodes that alter the path of the AI trying to ...
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1answer
50 views

Error in the order of the target points to be followed. How to set the order of elements in an array?

I have a project where it has 1 NPC and 3 target points: In the project I set the NPC to go to target point 1, then to 2, then to 3. Expected path: Path that is occurring: This problem did not ...
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3answers
357 views

How do one NPC follow a succession of target points?

I have a project that contains 1 NPC (AI) and 2 target points. In the project I can make the NPC follow any of the 2 target points, but I can not get it to follow target point 1 and then target point ...
2
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1answer
106 views

Need instructions for my AI racing car game

I'm having a school project to create an 2D AI racing car game, but nobody know where is the destination, and the map is randomly generated. But to avoid the dead end, we must teach the car not to ...
3
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0answers
67 views

How to implement path-finding with a large number of blocking agents following similar paths?

I want to implement a demo like creeps laning in Dota 2. So for simplicity, there is Left team and Right team, they are enemies. Units from Left team move toward Right base, and units from Right team ...
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0answers
17 views

Tron type game AI algorithm [duplicate]

Im looking for a tron AI algorithm on snap!/scratch. If not can you help me develop an AI for this game?
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1answer
48 views

Is there a tried-and-true method for calculating or detecting the edges of platforms?

In terms of a simple 2D platformer, I was wondering if, over the years, a right way has emerged as far as determining whether or not a strolling character has reached the edge of the platform it is ...
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2answers
506 views

How to avoid enemies overlapping each other when chasing player in Unity?

I am trying to get enemies to chase player but without them overlapping each other when they get closer to the player. So far what I have is that I check for the distance between current enemy and ...
3
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1answer
178 views

Which Pathfinding Algorithm is Best For My Case?

I'm creating a top-down space shooter game where there is no real "map" per say since there is no real terrain, but there are obstacles in the form of asteroids, other ships and a few circular ...

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