Questions tagged [random]
Algorithms or methods to produce events or behavior that is random in nature.
292 questions
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How to implement random children selection using a behavior tree framework that doesn't support it?
How to implement random children selection using a behavior tree framework that doesn't support it? Assuming that I want to select one of three possible actions with equal probability this is the best ...
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2
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112
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Generating random "roughly circular" polygons
I am trying to generate a set of points distributed in such a way as to give a "rough circle" sort of shape. The points should not deviate too far from neighboring points, with larger jumps ...
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Checking combat on the server to prevent cheating - how to keep two codebases in sync?
I'm making an idle game with semi-multiplayer.
My game uses Unity as a client and as a server Unity Gaming Services (UGS) C# Cloud Code Modules with UGS Cloud Save, this server is non-persistent, ...
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Efficient PRNG for WASM and x86_64?
For a game I am finishing, I need a random sequence that can be generated in Wasm and in the server, yielding the same result.
This generated 64-bit(or more if supported by WASM) numbers sequence is ...
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Random Grid Generation with Random Density
I have a 2D grid of cells in Unity, and each cell can be on or off. I want to randomly generate the on cells, and when I just assign a probability to each cell, the entire grid has the same density, ...
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Random display of a character in Godot 4
I made a character in Godot 4 that enters from one side of the image and exits from the other side, which shows its different modes randomly each time.
I have written these codes for it:
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The Random.Range function isn't activating when I call it. How do I get the function to work properly and call from a range of numbers?
As you can see, I'm attempting to set the random prey integer to a number within a random range like so:
randomPrey= Random.Range(0,10);
As I type the code out the .Range doesn't turn yellow and the ...
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Randomization algorithm that trades between more variance and higher total value
I need to generate discrete integer variables that each have meaning, so does their sum. I am essentially looking to partition a normal distribution into n bins. You can think of them as stats. The ...
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1v1 bartering brain game – see any problems?
While in line at Disneyland, my friends and I came up with a 1v1 bartering game. Here's how it works:
Two players are negotiating the price of a good. One player is the buyer, one is the seller.
...
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Navmesh agents trying to go to destroyed objects
I am still working on the RTS and have added a system that allows enemies to randomly wander. However, when multiple enemies fight one of my units, they will just clump up Afterwords instead of going ...
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Techniques for "fairer" dice rolls? [duplicate]
Suppose I have a game with 6 players, each of which gets a payout on a different side of a D6 roll. The D6 is rolled many times over the course of the game.
This yields an even payout in the long run, ...
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Methods for generating unevenly distributed item stats?
Conceptually, generating item stats is the same as placing balls into buckets. An even distribution of 50 balls into 5 buckets looks like this: [10,10,10,10,10] whereas an uneven distribution might ...
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Looking for a middle ground between raw random and shuffle bags
I am working on a RPG that I have implemented spells with status effects that can be applied x% of the time. For instance a fire spell has a 25% chance to apply a burning debuff.
Initially I just put ...
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Generate random line path with no intersection
The idea is to generate a path with a certain distance m.
Currently the generation pseudo code is as follows:
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array of classes then give each class different properties, class selection random
So iam trying to practice java with a text based adventure game. This code gives out an enemy of an array(random) and then gives it a Randoam health between 0 and 100. What I want to do is give each ...
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Spawn crops/3D game objects randomly on a mesh/plane surface
I am stuck on a problem that might be quite simple yet it's getting on my nerves.
I want to spawn crops on different plane shapes like in the attached screenshot.
So far my progress is that I am able ...
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Should in-game events (raids) be announced?
Many survival games such as Rimworld will announce when significant events happen in-game. For example, when a raid, a disaster or a significant event occurs, the game will send a notification and ...
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How to assign a new value to a global variable in GML
I have a variable called global.goldchance = irandom(99);. I use it to get a random number from 0 to 99. However, I need to be able to run it again so that the ...
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How to lerp between diferent spot angles
I have this code that Change spot angle randomly between 'minAngle' and 'maxAngle' each 'interval' seconds:
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273
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how to raycast against a mesh instead of the object in unity
So I am trying to make random map generation for a game, and right now I am trying to use a raycast to get the height of the spot where a prefab will be generated, I am using a terrain and generating ...
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How to randomly spawn prefabs on the X axis?
I created an infinite runner game.
I need to make random spawning obstacles in 3D.
How do I randomly spawn prefabs on the X axis using a C# script?
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Slots - Reel with a predefined symbol positions or make each symbol change independently on the others
I'm making a slot machine game and I need some advice on how to implement the spinning reels or how it's usually done. Right now, I'm thinking about two different approaches that would make sense - if ...
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Deriving multiple properties from a single random seed
I'm interested in designing a game with a randomly-generated world. I'd like the world to be generated from a seed value, so that players could share these seeds among each other and play in the same ...
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RNG random numbers/preset payout rate contradiction
Taking a casino slot machine for example: How can the probability of a payout TRULY be random with a preset payout rate?
If a casino has slots programmed to a specific rate or percentage of payout, ...
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Random Spawning Traffic at Pace Fitting "Frogger"-style Gameplay
In my game level, you have to cross a busy road to buy something and then cross back again. The general gameplay mechanics are now set up and playable. But I wanted to know if this routine I used to ...
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Can you show rng code running in real time in a game?
First off, I know almost nothing about game development/rng but I will learn. So apologies for sounding uninformed.
I want to make a sandbox ios game with several activities to do within, one of which ...
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Why is Random.Range(0,3) generating only 0, 1 or 2 when 3 is supposed to be inclusive?
I'm currently having trouble getting my head around how Random.Range() and Array[].Length are working in the script below.
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How to randomly change the color of a Shader Graph Material for only a specified GameObject, with C# script?
I'm working on a game, in Unity3D, where the player picks up trash from Trash cans, and dumps the trash from the Trash cans into a Trash Truck. The world of the game itself is randomly generated, with ...
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Given a 2D array, how do I generate a random path of fixed length from a random point at length 0 to a random point at max length?
I'm trying to generate a random path on a 2D grid given that:
The width and height of the grid are given
The length of the path to generate is given
The path can't move "back"
The path ...
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506
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How do I generate platforms in a specific position in godot?
I am making a rogue-like game in Godot. Currently, I am stuck with the world generation. I know how to add children, but I am wondering if there is a way to add those children in a specific position. ...
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Preferred way of calculating run chances in Game of Cricket
For modelling a simple game of cricket, Considering a batsman has a single attribute rating. I can go about deciding run chances by weighted probabilities. ...
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155
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How to create a random, warped 2D grid?
How do you create a random grid where the lines aren't orthogonal (and cells aren't a perfect square), but are warped?
Here's an example of what I mean:
(Credit: screenshot taken from a video by ...
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How can I create a persistent seed for each chunk of an infinite procedural world?
I'm coding a chunk-based 2D game.
I generate chunks as the player explores the world. Chunks follow a procedural generation algorithm (with only one biome implemented at the minute, but I'll ...
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511
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Random.range giving me the same value at the same time
I created a random direction in x and y-axis at where to move, then my problem is when I tried to randomize it sometimes I get the same value at the same time on both x and y-axis. How do I not let ...
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How can I make an instantiation random?
I'm trying to do it so when I have an instantiated an item upon the game starting, it is random as to whether it actually instantiates or not. Here's the code I have so far:
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Random enemy generation algorithm help
I've been working on a program for my friends to use for a homebrewed roleplay system that we all use for our campaigns that can generate random enemy statlines with certain constraints.
The program ...
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If and why is randomness a bad thing in competitive games?
AFAIK it is a consensus within esports that randomness should be reduced? League of Legends has little RNG, Dota has more but both games employ rng smoothing algorithms (details for Dota, LoL).
The ...
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Random world Points in GLSL for tree placement
I'm doing tree placement in the geometry shader in GLSL. I've made a seeded random vec3 function based on gold noise that looks like this:
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C++ Generate random float values between a range
In my current situation I have a game world, in that game world I want to place loads of tree models. It is a waste of time for me to actually explicitly define the x y and z values of each tree model,...
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How to generate random waves for a bullet hell game that feel balanced and natural
My game consists of 'waves' of objects called 'spawners', which once every certain amount of time (their firetime), move to a new place on the screen and spawn an enemy. Each wave has 4 important ...
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Random point on a square floor
I have a flat 10x10 surface (floor) made out of cubes of 1x1x1.
I am spawning objects from the "sky" and I want them to fall on random points of the surface without exceeding the surface limits.
Is ...
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Is it possible to find a seed based on 10,000 generated random numbers?
I'm currently entertaining an idea I've had about procedurally generating a world. I would like the entire world to be procedurally generated on the fly. So when a chunk is loaded, it uses a seeded ...
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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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Saving predesigned tilemap "rooms" and access them in script in Unity3D?
I'm working on a top-down rogue-like in Unity3D, and I already have some kind of dungeon generation.
The next feature I'd like to implement, is to predesign some kind of "event rooms" (i.e. boss ...
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Quick way to approximate a truncated gaussian distribution?
I'm doing some procgen stuff and I need a truncated gaussian distribution. Basically, I need a way to get the same thing as this:
...
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467
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How to create characters randomly with a given skill and weighted abilites
I am trying to create random characters in my game.
Each character has 33 abilities and one of 6 jobs. For each job you need to skill/increase other
abilities. I am calculating an overall skill (...
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How do I add a random number of points to my score stored in Player Preferences?
My problem is the value I get from Random.Range is not stored, but I get another value instead.
In level 1 I press the "claim" button to store a randomly-chosen score
In level 2 I retrieve the level 1 ...
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How can I create a random deck of 7 cards every time they are all used?
I'm trying to create a Tetris like game in C# (Unity) and I've run into quite a problem on how I can generate 7 cards (tetrominoes) of which none are the same and when I run out of cards, I regenerate ...
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How can I change the parameters of the random events for each game entity?
I'm trying to write an easy-to-use random event system that has certain conditions and effects in Unity. It's a simulation game that contains multiple Person, City, Country, Faction elements. I have ...
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