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

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2
votes
3answers
178 views

Algorithm for dividing a 2D grid into organic looking plates

the title pretty much says it all: How could one go about segmenting a 2D grid into smaller parts? My goal here is to create tectonic plates for further procedural world generation Details to ...
1
vote
2answers
26 views

How to get this type of movement in LibGDX?

I want objects in my game to move randomly but always from right side of the screen to the left side. The movement must be as smooth and natural as possible, like they are following a path. Can i ...
3
votes
2answers
193 views

Camera placement sphere for an always fully visible object

Given an object: With the bounds [x, y, z, width, height, depth] And an orthographic projection [left, right, bottom, top, near, far] I want to determine the radius of a sphere which allows me to ...
0
votes
2answers
651 views

Shuffle tiles position in the beginning of the game XNA Csharp

I'm trying to create a puzzle game where you move tiles to certain positions to make a whole image. I need help with randomizing the tiles start position so that they don't create the whole image at ...
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 ...
1
vote
1answer
56 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 ...
2
votes
2answers
132 views

Algorithm that always returns the same pseudorandom output if given the same input of seed, x and y?

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
41 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 ...
7
votes
2answers
321 views

Can adversarial agents flip coins?

I was thinking about peer-to-peer games by considering a simple coin tossing game. You open up your version of P2PCoinFlipping Beta 2.3 and it displays a list of player name servers. After ...
2
votes
1answer
162 views

Filling a room with random furniture

This is a rather complex question and I'm more hoping for general algorithms anyone might have heard of. I wish to generate randomly sized rooms. Each of these rooms has a type and a corresponding ...
8
votes
4answers
5k 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
1answer
39 views

Randomised Path from A to B for cursor movement simulation

I'm trying to simulate the movement of the mousecursor, by creating a path from point A to B that has random variation. The algorithm I'm using at the moment is very basic, and is limited in that ...
0
votes
2answers
79 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 ...
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 ...
1
vote
2answers
69 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
673 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
votes
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
716 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
votes
1answer
159 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 ...
22
votes
4answers
2k 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
votes
1answer
351 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
76 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
votes
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
207 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
610 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
182 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
74 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
181 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
votes
1answer
64 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
votes
3answers
356 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
145 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
votes
2answers
144 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
votes
2answers
418 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
2k 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 ...
1
vote
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
17k 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
981 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
4k 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
547 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
93 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 ...
2
votes
2answers
231 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
409 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
110 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
123 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
331 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 ...