# Tagged Questions

A visual representation of a geographic region, showing physical features.

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### How do I calculate how an object will move from one point to another?

Here's the problem: A player starts the game in the 0 coordinate (x=0,y=0). When the user clicks on the screen, it returns the coordinates of the destination. Now the player has to move from its ...
401 views

### Algorithm to select all cells inside rooms/regions

I have a 2d game map consisting of several 'rooms' For example, here is a 2D map grid: (Brown cells = wall tiles) If I click on a tile (that isn't brown), I would like to obtain an array of all ...
903 views

### Java 2D tile map and rendering it [closed]

Please help me! I am thinking of generating different terrains environment every time the game loads again. But i am thinking of loading or drawing a image containing all the units like river, land ...
2k views

Hello I'm a web developer and recently I started reading about game development. I followed some tutorials regarding c++ and openGL (whatever I could find online because as you know not many up to ...
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### How to make an infinite map

I was wondering if someone could explain to me how to implement a seemingly dynamic infinite map like the one at http://wordsquared.com/ My main issue is really generating new tiles in any direction ...
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### What is the appropriate way to implement collision in 2D worlds?

If I want to create a 2D game map which features areas traversable by a player through standard up/down/left/right inputs, and then have areas that are NOT traversable... perhaps just a bush, or a ...
206 views

### Transmit map vs Transmit seed

Given a map created with procedural generation algorithms, should the server transmit the seed used to generate this map (so client must contain the same algorithm) or maybe send all the information?. ...
680 views

### 2D/Isometric map algorithm

First of all, I don't have much experience on game development but I do have experience on development. I do know how to make a map, but I don't know if my solution is a normal or a hacky solution. I ...
10k views

### Algorithms for rainfall + river creation in procedurally generated terrain

I've recently become fascinated by the things that can be done with procedurally terrain and have started experimenting with world building a bit. I'd like to be able to make worlds something like ...
458 views

### Collision detection problems - Javascript/Canvas game

What I want to do: I simply want the have a 2D array to represent my game map. I want a player sprite and I want that sprite to be able to move around my map freely using the keyboard and also have ...
6k views

### isometric drawing order with larger than single tile images - drawing order algorithm?

I have an isometric map over which I place various images. Most images will fit over a single tile, but some images are slightly larger. For example, I have a bed of size 2x3 tiles. This creates a ...
545 views

### Map format for 3d open world

I am making an open world 3d platformer in Ogre3D, and I have no idea on what kind of 3d map file format I should use for it. I want to make low-polygon blocky-style objects. Probably rectangles and ...
2k views

### Gigantic 2d maps?

I've been thinking about a game idea for a week or two and the last few hours I was thinking of some technical stuff and came up with that the map would need to be 360,000x360,000 pixels in size. To ...
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### map data structure in pacman

i am trying to make a pacman game in c# using GDI+, i have done some basic work and i have previously replicated games like copter-it and minesweeper. but i am confused about how do i implement the ...
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### How to achieve selection of a tile from a tile sheet based on an ID?

Let's say I have a tile sheet that contains 8 sprites per sheet. Each sprite is a tile of 30x30. I wrote my own custom map parser/map loader however I'm having trouble extracting a certain tile ...
1k views

### Routes on a sphere surface - Find geodesic?

I'm working with some friends on a browser based game where people can move on a 2D map. It's been almost 7 years and still people play this game so we are thinking of a way to give them something ...
2k views

### What is the best way to render a 2d game map?

I know efficiency is key in game programming and I've had some experiences with rendering a "map" earlier but probably not in the best of ways. For a 2D TopDown game: (simply render the ...
945 views

### How to implement a birds eye view of 2D Grid Map using Android

I'm a true beginner with using the android platform and I'm having difficulties on implementing a 2D grid system for a tower defense type game. Where I can place towers on a specific tile and enemies ...
770 views

### Making a perfect map (not tile-based)

I would like to make a map system as in the GameMaker and the latest code is here. I've searched a lot in google and all of them resulted in tutorials about tile-maps. As tile maps do not fit for ...
367 views

### How can you easily determine the textureRect for tiled maps in SFML 2.0?

I'm working on creating a 2d map prototype, and I've come across the rendering bit of it. I have a tilesheet with tiles, each tile is 30x30 pixels, and there's a 1px border to delimitate them. In ...
4k views

### What would be a good way to implement/render a 2D tiled map for a browser game?

I coded a a little RPG in ruby and I used an array to contain the map squares. The elements of the array (which defines the X coordinates) are arrays themselves whose elements defines the Y ...
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### Where can I find a basic algorithm for parsing tiled maps? [closed]

I have attempted to use Tiled for creating 2d maps, and saving them under a text file. The resulting text file seems difficult to parse at first, I gave it a shot here however to no good result. I ...
414 views

### How do I implement a selectable world map?

I want to have a selectable map of the world, preferably zoomable, in a cocos2d project. When I tap on a country, I want that country to be selected so that I can perform some other operations with ...
1k 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 ...
463 views

### Best practice for designing a risk-style board game

I'm just trying to figure out how to set up the code for a game like risk... I would like it to be extensible, so that I can have multiple maps (ie- World, North America, Eurasia, Africa) so ...
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### Custom extensible file format for 2d tiled maps

I have implemented much of my game logic right now, but still create my maps with nasty for-loops on-the-fly to be able to work with something. Now I wanted to move on and to do some research on how ...
870 views

### Island Generation Library

Can anyone recommend a tile map generator (written in Java is a plus), where one can control some land types? For example: islands, large continents, singe large continent, archipelago, etc. I've ...
510 views

### Alternative ways to construct maps

I've searched around and it seems like most people are using tile-based map systems. I suppose this question is more theoretical than practical (I am not very concerned about memory or performance ...
3k views

### Creating maps and tileset for a 2d java game

I'm not a completly beginner to java, so I decided to write a map loader and a tileset loader myself instead of using a tilemap editor like Tiled. I'm using Slick & LWJGL for my game. The plan ...
2k views

### How can I create a flexible system for tiling a 2D RPG map?

Using libgdx here. I've just finished learning some of the basics of creating a 2D environment and using an OrthographicCamera to view it. The tutorials I went through, however, hardcoded their ...
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### Should a 4x game use one class per planet type?

I'm try to make a small 4x game for my own educational purposes. Currently I have interfaces like IStarSystem which contains a list of IPlanets. My next step was to make classes implementing those ...
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### Isometric drawing “Not Tile Stuff” on isometric map?

So I got my isometric renderer working, it can draw diamond or jagged maps...Then I want to move on...How do I draw characters/objects on it in a optimal way? What Im doing now, as one can imagine, ...
436 views

### Hide individual regions on a territory map

I have a map of adjacent irregularly-shaped territories. It happens to be a county map, but that's not important. In the game, the player only sees a few to start, and as he progresses to new ...
202 views

### Positioning entities in adjacent maps

Say I have a 2D tile based game engine (I don't, but I will soon). I was wondering how I would manage drawing adjacent maps. That is, imagine we have a map that is 50 by 50 tiles wide. Then next to ...
1k views

### 2D maps, how to structure?

I'm new to this. And I don't really understand 2D tile maps. The tutorials I've read use arrays, but doesn't this get really difficult to manage when they get big? And what if I want different ...
808 views

### Is it possible to procedurally place objects in a non-gridded game?

I'd like to implement procedural world generation, but I don't want it to look gridded or blocky, where everything is obviously placed on an integer grid. I know that you can do this in gridded ...
876 views

### Node.js MMO - process and/or map division

I am in the phase of designing a mmo browser based game (certainly not massive, but all connected players are in the same universe), and I am struggling with finding a good solution to the problem of ...
7k views

### Road / river generation on 2d grid map

This is a newbie question, but here it goes: My map is a 2d grid, and I want to generate roads and rivers. The route from the starting to ending point must not be the optimal route in number of ...
31k views

### Random map generation

I'm starting/started a 2D tilemap RPG game in Java and I want to implement random map generation. I have a list of different tiles, (dirt/sand/stone/grass/gravel etc) along with water tiles and path ...
611 views

### How can I load a large tile map with cocos2d?

I am try to design a cocos2d game with a big world. The world's tile map is very big, maybe 20 iPad screen sizes worth of tiles. I want to know how to load this using a CCTMXTiledMap? If I directly ...
600 views

### Is there a problem with using a 2D square grid for your world map?

I'm making a game with a 2D square grid for my world map. It wraps around, so when you reach all the way north you start out in the south again, and when you go all the way east you wind up in the ...
1k views

### Having troubles with LibNoise.XNA and generating tileable maps

Following up on my previous post, I found a wonderful port of LibNoise for XNA. I've been working with it for about 8 hours straight and I'm tearing my hair out - I just can not get maps to tile, I ...
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### How to save an arbitrarily large image to a file in XNA?

I have built a level editor for an XNA-based Megaman clone I am working on and one of the features I would like to implement is the ability to save a full-resolution map of the entire level (like this ...
1k views

### What is the Relative Rarity of Blocks Generated in Minecraft? [closed]

I was watching a tutorial from last year that was discussing how to create blocks that would be generated with the world. I have lost the link to the video, but the basic issue I'm having here is ...
772 views

### Google maps layer for strategic game

I found one web site http://e-sim.org/googleMap.html which is similar to my game idea. But I have no experience on game maps developing. Can anyone share ideas how to make similar functionality like ...
2k views

### Provide A Scrolling “Camera” View Over A 2D Game Map

I'm in the process of attempting to create a 2D MMO type game with Kryonet and some basic sprites, mostly for my own learning. I have the back end set up great (By my standards) and I'm moving on to ...
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### Help with a Fast 2D Grid-Based world rendering technique

First I'm going to give you my current situation and explain what I'm attempting. I will then pose my question below. I will attempt to include a "TL;DR" for those of you who prefer things to be ...
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### Implementing a Risk-style board

I have two images of the same dimensions. One is represents the game board in a user-appealing way, the other represents it in a computer-friendly way where each game area is painted in a unique, ...