Algorithms or methods to produce events or behavior that is random in nature.

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2answers
50 views

(Efficiently) Generate Unique Random Numbers [duplicate]

Sorry my terminology is somewhat limited so I'll have to use more words to explain what I mean. In games that require critical hits, I've heard it's not good to generate a random number but instead ...
0
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0answers
6 views

AS3 random events using a timer

I'm making a game for an assignment at university. The game I am making requires random household appliances around a house to "turn on" at random times. The player must run around the house turning ...
0
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0answers
17 views

Use prebuilt chunks for dinamical generated level [closed]

I am looking for a way to create a dynamic vertical scrolling level using chunks of level which i build to be sure the level is playable. I am wondering how to create this levels and which is the best ...
1
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0answers
23 views

PRNG/Encripting Algorithum that returns the same number if given the same input?

I've been trying to find an algorithm that will take in an x value, a y value, and a seed value and then spit out a number between 0 and 255 (or an int that I can cut up into bytes). I want to be able ...
0
votes
1answer
34 views

How to change chance of spawn based on distance?

I am trying to make a cellular automate cave but want to keep the middle empty. How should I change the chance based on the distance from the middle? I don't want to completely deny it just want a ...
32
votes
9answers
6k views

How can I make a “random” generator that is biased by prior events?

I am looking to implement a chance based system which is biased by prior event. Background: Some years back, I remember an update for World of Warcraft announcing that they implemented a new chance ...
0
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2answers
60 views

Non deterministic dice rolls [closed]

Are there any algorithms out there for non deterministic dice rolls? For example, I'd like to make a small mini-game: Liars dice. But the biggest issue here is dice rolling. When the cups are turned ...
3
votes
3answers
637 views

How to zoom randomly generated maps?

I made a Java program which generates a random map based on Perlin Noise + Poisson Algorithm + Voronoi Diagram. Here you can see a generated map. White are caves, black is empty. The problem is ...
16
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4answers
2k views

Generating tile map

I am programming a tile based game and I have some basic tiles (grass, dirt, etc..), but I can't figure out how to make good random map generation, because when I do some really random selection, if ...
7
votes
8answers
696 views

Random looking item placement that's deterministic?

I'm working on a sidescrolling game and I want to generate a forest for the background. I want the background to be the same for every one to make sure the quality is the same. I don't have access ...
0
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1answer
144 views

Tiling 2D textures in random order

I am wondering what the best way to make a random set of 2D textures. Currently I have tried the follow code but I am aware that when this comes to collisions that would be an issue. Therefore I would ...
16
votes
2answers
2k views

Algorithm for procedureral 2D map with connected paths

Problem to solve: Generate a random 2D dungeon map for a tile-based game where all rooms are connected. I am looking for better solutions than what I currently have. My current solution is that I ...
22
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4answers
1k views

How do I avoid “too” lucky / unlucky streaks in random number generation?

I'm currently dealing with a multiplayer combat system where the damage dealt by the players is always multiplied by a random factor between 0.8 and 1.2. In theory, a truly random RNG may eventually ...
2
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1answer
325 views

How do “procedural” and “random” generation differ?

To my understanding, everything that isn't directly created by a human is called "procedural". Procedural generation systems have different complexities and may consist of various algorithmic ...
1
vote
1answer
62 views

change the position of f3d objects randomly in action script

I have a f3d object and have different boxes to place the parts of the f3d objects.When i click on the button change the position of the boxes randomly. How it possible?This is the code for random ...
0
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0answers
16 views

Working with random numbers in Unity [duplicate]

I am randomly trying to generate few regions ( grass, ice, snow and water ) for one of my games inside Unity. Every time the game starts, these regions are randomly generated but at the same time I ...
1
vote
1answer
174 views

Random Placement of Objects on a Tilemap

I have read many topics on random world generation on this site and others, and I roughly understand most of it. What I can't see is how to randomly place objects on the generated tile map I get. Say ...
7
votes
3answers
591 views

Algorithm for Randomized Weather

I'm having a hard time modeling weather. Modeling a single aspect is trivial - some sinusoidal pattern + random noise. However more than 1 is blowing my mind. I cannot have wind, falling leaves, ...
8
votes
2answers
1k views

Random generation of interesting puzzle levels?

I'm making a Sokoban-like game i.e. there's a grid that has some crates on it you can push and you have to get the crates on crosses to win the level (although I'm going to add some extra elements to ...
-1
votes
1answer
129 views

Are random generated mazes a nuisance? [closed]

To me, random generated maps such as in Diablo2 were often a nuisance. Many times, you find yourself in a dead end and have to find another way. However, Diablo2 became a very popular and addictive ...
2
votes
3answers
165 views

Persistence of Random

Sorry if this is such a simple thing, but for some reason I can't get my head around it. Imagine you have a world, that you have "seeded" with a value. You base all your randomisations off this ...
1
vote
1answer
73 views

What does the “random element” do in Cellular Automata

I'm reading this post on TutsPlus regarding procedural level generation using cellular automata. My question arises in this code snippet: float chanceToStartAlive = 0.45f; public boolean[][] ...
0
votes
1answer
144 views

Enabling Unity GUI drawtexture permanently?

I'm trying to get an image to show in Unity based on a certain criteria. I would like the position of the image to be randomized every time on play. However since GUI.DrawTexture shows the image for ...
0
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1answer
59 views

How to simulate random scope movement?

I want to simulate that random and soft movement that lot of games got (like BF3) when you use the scope of a sniper gun, so the question is how to achieve that.
0
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3answers
316 views

Ensuring that a randomly generated galaxy wont place stars inside one another?

I'm attempting to build a game with a spiral galaxy design. In doing so I followed a short guide on making the rough layout of the galaxy. My code works, but the "stars" (I'm bad with variable names, ...
1
vote
2answers
143 views

How do I make a daily challenge on a game with randomly generated levels?

I am currently making a game with randomly made levels, but I have an interest in making everyone play the same level in a daily challenge section, like Spelunky. At first I thought about letting the ...
0
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2answers
132 views

How can I make a power-up spawn system semi-random?

Basically I'm working on a similar game to achtung die kurve (http://curvefever.com). I'm almost done with the game, however I'm not completely fine with the way power up spawning works. As for now, I ...
0
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2answers
326 views

Make objects slide across the screen in random positions

I want to make an object appear randomly at the right hand side of the screen and then slide across the screen and disapear at the left hand side. I am working with libgdx. I have this bit of code but ...
5
votes
3answers
1k views

Is Unity's Random seeded automatically?

I seem to recall Unity's Random is automatically seeded; checking the documentation it doesn't say it outright, but a certain interpretation of their words might seem to imply it. The seed is ...
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2answers
59 views

Server side random selection of players

Assuming I have a simple client-server game, where the server picks random players on a very frequent base, I was wondering what is the best way to select a random player (According to the following ...
41
votes
3answers
16k views

How to generate random level from a seed? [closed]

How would I go about using a random seed to generate a game level? The same seed should always generate the exact same level. For this example it would be a Worms style level. So each level would ...
0
votes
1answer
1k views

How to randomly spawn object using instantiate

I'm trying to spawn objects which move in one direction until they hit a player or the barrier. The spawner is a cube which moves between two points to spawn the object at different locations. The ...
6
votes
1answer
920 views

How do I generate a smooth random horizontal 2D tunnel? [duplicate]

I'd like to create a smoother version of the navigable and quite natural-looking random tunnel found in this classic helicopter game. It should ideally be... infinite, so more can be generated as ...
1
vote
1answer
3k views

Unity Move sprite from point A to point B

Pretty new to Unity and i'm trying to make a very simple iphone game. , I'd like to know how to move a sprite (2D) move from random point A to random Point B not just that, but i want it to change ...
11
votes
2answers
491 views

Axis Aligned Spatial Division : Divide space into random rectangles?

I need a method to divide 3d space into random axis aligned box shapes. For now I am currently dividing the 2d space for testing purposes. The most immediate approach I came up with was to define a ...
2
votes
1answer
91 views

Space between randomly generated objects

Im not sure there is a going to be a simple answer for this question but Ill ask anyway. I am programming an endless scrolling game where the player's character is constantly "falling." As they fall ...
0
votes
1answer
3k views

How do I randomly spawn objects in 2D game?

How do I randomly spawn few different sprites on screen so they're not overlapping or half visible on render. The sprites should immediately start shrinking until they disappear. I've tried to ...
1
vote
2answers
219 views

Client-side dice rolls in turn-based game

I'd like to create a turn-based multiplayer game on Android. I'm thinking of using Google Play Game Services and get rid of any other webservice to create and host games. The problem is the game ...
8
votes
4answers
406 views

Modify random distribution functions :: Make it less likely to get multiple similar values in a sequence

I want to generate a sequence of numbers for procedurally generating planets in a galaxy sector. Each planet should be placed randomly, however it should be very unlikely that two planets are directly ...
0
votes
1answer
101 views

Android Jump&Run - Random map generation [closed]

I'm pretty new to game development but I work on an android app. It's a 2D Jump and Run game. I do it in Eclipse and the map is readed out of a txt file right now. But I want to do a Jump and run ...
3
votes
0answers
120 views

Why do unidentified items seem to solely exist in roguelikes? [closed]

Playing a variety of games I noticed that some concepts are "trapped" in the realm of roguelikes. One of the most intriguing game-play elements in roguelikes is the unidentified item. The unidentified ...
4
votes
1answer
310 views

How to create a grid based on random shapes?

How to create a "grid" using actionscript like the image below? Basically you have an area of 1100x615 which should be filled with shapes that could be rotated and scaled... Collision detection ...
9
votes
2answers
5k views

Random number hlsl

How do you generate a random number in HLSL? I'm asking because I want to try gpu ray tracing. You need to generate random directions in a pixel shader. So I want randFloat(), where the result is a ...
1
vote
1answer
430 views

Unity seperation of prefabs with two dimensional terrain generation

I have the following function: public void Spawn () { GameObject g = ((GameObject)Instantiate (hills [Random.Range (0, hills.Length)], new Vector3 (0.0f, ...
6
votes
3answers
396 views

How can I distribute powerups “fairly”? [closed]

I'm implementing a Bomberman-esque game in which players try to eliminate each other on a square tile-based arena. I'm currently implementing powerups that give the player who collected them a bonus ...
2
votes
1answer
71 views

Get a random vector

I'm trying to make a small pariticle-like simulation, and I'm trying to make each parrticle go a random direction from one point (mouse pos). The problem is I don't know how to get the random vector ...
2
votes
3answers
216 views

How control probability of win-lose in tile-matching games?

In a random puzzle game, such as a match-three game, how can you control the probability of a winnable starting condition?
5
votes
3answers
176 views

Pathfinding Search for Path of Specific Length

I am creating a roguelike. This question applies to random map generation. First, I generate areas using a BSP algorithm, where I randomly divide the map into areas. Then, I generate a graph of the ...
7
votes
3answers
4k views

How do I shuffle cards for a card game?

I am trying to develop an card game for Android Can anyone suggest me how to write code for effectively shuffling the playing cards?
0
votes
2answers
96 views

How can i Randomize Unique Numbers in Java [duplicate]

So i'm making a game where i have to randomize 52 numbers from 1 to 52 so the order has to change i use this class Deck { Random r = new Random(); int[] Card = new int[52]; }