30
votes
2answers
2k views

How'd they do it: Destructible environments in BF:BC2 and BF3

How did the folks at Dice create the destructible environments in the more recent Battlefield games? Did they just assemble the buildings out of predefined sub-regions that break apart when there is ...
30
votes
2answers
3k views

Random/Procedural vs. Previously Made Level Generation

What the advantages/disadvantages of using random/procedural generation vs. pre-made levels? There seems to be few that I can think of, other than the fact that items may be a problem to distribute ...
30
votes
4answers
3k views

What are some common ways to generate revenue from a free game?

When creating a free game what revenue options are there and how successful are they? What are the pros and cons of different revenue models such as ad-supported, freemium, partnerships, ...
30
votes
3answers
8k views

How do you approach resolution independence in raster based graphics content?

Those games that are not fortunate enough to run on a locked platform spec, like handhelds, need to run across various resolution formats and aspect ratios. In a 3D game you might have a HUD or menu ...
29
votes
9answers
17k views

I prefer C/C++ over Unity and other tools: is it such a big downer for a game developer? [closed]

We have a big game project using Unity at school. There are 12 of us working on it. My teacher seems to be convinced it's an important tool to teach students, since it makes students look from the ...
29
votes
5answers
2k views

24-Bit Colordepth not enough?

I noticed that in very soft gradients, the 24-Bit colordepth is not enough as you can see the transitions of the color. This pops out the most in dark scenes or night skies. Why doesn't anybody ...
29
votes
11answers
2k views

What is the most effective way to work with a friend on the same game?

We need something where we can check files out, edit them, check them back in and then build from the them. Something like Google Docs where we can edit the same code at the same time would be a ...
29
votes
11answers
1k views

How to encourage players to level up multiple characters? [closed]

In my game, it is possible to make multiple characters. You can make as many as you desire. What I usually do (and almost all players do) is just make a single character and level it up a LOT, and ...
29
votes
4answers
3k views

What has stopped MMORTS games from being successful? [closed]

We all know that there have been attempts to create commercially successful MMORTS games, but all have failed. By failed, I mean that they didn't get really popular in the gaming community. Why is ...
29
votes
7answers
13k views

Are there any open source projects for car engine sound simulation? [closed]

I have been thinking how to create realistic sound for a car. The main sound is the engine, then all kind of wind, road and suspension sounds. Are there any open source projects for the engine sound ...
29
votes
1answer
7k views

Difference between “staggered” isometric and “normal” isometric tilemaps?

The Tiled Map Editor v0.9 recently added support for staggered tilemaps in addition to its usual isometric tilemap support. What are the exact technical differences between these two types of ...
29
votes
10answers
5k views

Alternative to Game State System?

As far as I can tell, most games have some sort of "game state system" which switches between the different game states; these might be things like "Intro", "MainMenu", "CharacterSelect", "Loading", ...
29
votes
6answers
3k views

what is the standard solution to pathfinding towards a moving target?

I am working on a 2D RTS like game, basic A* works perfectly for moving a unit from point A to point B. But now I facing the continuous path-finding problem, like A attack a moving object B, call A* ...
29
votes
2answers
4k views

How do I make a character capable of walking on walls?

I am trying to get a character to move like a spider: Given a rising slope which a ball would normally not be able to roll up, the spider would slowly crawl up. Similarly, given a mid-air rectangular ...
29
votes
3answers
7k views

In an Entity-Component-System Engine, How do I deal with groups of dependent entities?

After going over a few game design patterns, I have settle with Entity-Component-System (ES System) for my game engine. I've reading articles (mainly T=Machine) and review some source code and I ...
29
votes
1answer
3k views

Why is shadow mapping the standard?

Though I am a programmer by trade, I have barely touched game development at all. I've had this question for some time, and now that I'm looking into game development I thought it would be a good time ...
28
votes
7answers
25k views

What are atan and atan2 used for in games?

I am having some trouble understanding Math.tan() and Math.atan() and Math.atan2(). I have basic knowledge of trigonmetry but the usage of SIN, COS, and TAN etc for game development is very new to ...
28
votes
9answers
12k views

What is a “2.5D” environment?

I don't understand the meaning of the term "2.5D." I'm specifically confused about the difference between 2.5D and 3D environments, even though I've read different definitions and articles about both. ...
28
votes
15answers
5k views

Interesting/Innovative Open Source tools for indie games [closed]

Just out of curiosity, I want to know opensource tools or projects that can add some interesting features to indie games, preferably those that could only be found on big-budget games. EDIT: As ...
28
votes
8answers
5k views

How can the lategame in a 4X game be made more exciting?

I played a lot of different 4X games lately (eXplore, eXpand, eXploit, eXterminate, like the Civilization series, for example), and noticed that most of them suffer from the same problem: As soon as ...
28
votes
2answers
26k views

How to make a character jump?

I am currently making a game in C# using Direct X 9.0. The game remake is Donkey Kong NES. I have nearly everything completed, but I am having problems with the physics of Mario's jump. I have ...
28
votes
5answers
5k views

Should actors in a game be responsible for drawing themselves?

I am very new to game development, but not to programming. I am (again) playing around with a Pong type game using JavaScript's canvas element. I have created a Paddle object which has the following ...
28
votes
4answers
3k views

Is there an algorithm to detect the “mainland” on a 2D map?

On this map, the "mainland" is all the land that can be connected to the center of the map in the four cardinal directions (north, south, east, west -- not diagonally). I would like to detect the ...
28
votes
4answers
2k views

If two objects interact, what holds the interaction code?

Think of a bullet and an enemy, or the player and the floor. If these objects interact, what holds the interaction code?
28
votes
5answers
17k views

How can I draw outlines around 3D models?

How can I draw outlines around 3D models? I'm referring to something like the effects in a recent Pokemon game, which appear to have a single-pixel outline around them:
28
votes
4answers
20k views

How can a programmer learn to draw 2D assets? [closed]

Are there any good tutorials for someone who wants to create 2D graphical game assets? Drawing classes for absolute beginners, preferably teaching skills that can be as relevant as possible to games - ...
28
votes
7answers
10k views

Teamwork in Unity

I have a Unity project without any version control, and I need to share it with another developer so that both of us can work on the project. What strategies should be use that play nice with Unity ...
28
votes
5answers
6k views

Why do we use 4x4 matrices to transform things in 3D?

To translate a vector by 10 unit in the X direction, why do we have to use a matrix? We can just add 10 to the mat[0][0], and we got the same result too.
28
votes
6answers
8k views

A way to store potentially infinite 2D map data?

I have a 2D platformer that currently can handle chunks with 100 by 100 tiles, with the chunk coordinates are stored as longs, so this is the only limit of maps (maxlong*maxlong). All entity positions ...
28
votes
6answers
3k views

Game programming books that don't teach programming? [closed]

I am an normal programmer with about 3 years of experience, who is interested in getting into game development. The problem that I face is that when I look at these "beginner" books, most of them ...
28
votes
7answers
7k views

Can you access Kinect motion sensing from XNA?

As of 2010 with the release of XNA 4.0, if I buy an Xbox 360 with Kinect will I be able to access its motion sensing data with the XNA game I'm developing? Or is this only restricted to C++ developers ...
28
votes
4answers
5k views

How to determine the amount of experience needed for leveling up

Related questions under this topic might include: How should I base how much experience points it takes to get to the next level? What factors are involved in this? How do I keep the player not ...
28
votes
6answers
13k views

How can I improve rendering speeds of a Voxel/Minecraft type game?

I'm writing my own clone of Minecraft (also written in Java). It works great right now. With a viewing distance of 40 meters I can easily hit 60 FPS on my MacBook Pro 8,1. (Intel i5 + Intel HD ...
27
votes
32answers
12k views

Tools for creating assets? [closed]

There are similar questions about finding existing resources that are free for use (free sprites/images, music, sound), but I'm interested in creating the resources myself. What tools do you use for ...
27
votes
14answers
3k views

Why is there a lack of games for Linux? [closed]

What is wrong with the Linux/*nix family for games? What makes the development of games for this platform too slow compared to Windows or even OS X?
27
votes
9answers
23k views

Why do game developers write their own engines instead of using existing ones?

I observed that most of the most, big and well-known game titles developers oftenly develop their own engines - like Valve has their engine, Crytek has their own, Ubisoft has their own, Epic games has ...
27
votes
5answers
9k views

Lag compensation with networked 2D games

I want to make a 2D game that is basically a physics driven sandbox / activity game. There is something I really do not understand though. From research, it seems like updates from the server should ...
27
votes
8answers
2k views

In-Game Tutorial Decisions

I'm working on a game with confusing mechanics such as energy storage and the coolant temperature. What is the best way to get a new player learned quickly? What are the pros and cons of different ...
27
votes
4answers
2k views

Can I run into legal issues with random names?

I'm currently building a game whose NPC's are going to be assigned a random gender and a random name for the right gender. To do this I will be using a "database" of names (actually a text file with ...
27
votes
5answers
2k views

Why do GPUs require game specific drivers?

PC GPU driver updates often cite improvements made to performance of specific, recently released games. Why is this game-specific updating needed? How do the game-specific changes interact with the ...
27
votes
6answers
4k views

Why don't all games permit changing the field of view?

This is less of a question aimed at developing a game and more about the technology behind it. A number of gaming journalists and pro gamers (both on the tournament and the home entertainment sector) ...
27
votes
5answers
14k views

How to create a hexagon world map in PHP from a database for a browser based strategy game

I'm trying to create a hexagon world map for my PHP browser based strategy game. I've created a table in my database with the following data per row: id, type, x, y and occupied. Where type is the ...
27
votes
7answers
10k views

How can one implement hot-swappable C++ modules?

Fast iteration times are key to developing games, much more so than fancy graphics and engines with truckloads of features in my opinion. No wonder many small developers choose scripting languages. ...
27
votes
3answers
3k views

Assets Management, database or versioning system?

While developing the assets for the game, (meshes, textures, sounds, videos) ho do you manage them? Keeping them together with the source code inside the versioning system? (perforce, git, etc…) Or ...
27
votes
5answers
3k views

Legal issues for a “fangame” of a commercial franchise? [duplicate]

I've played around in the past of the 2D Flash fan-made version of the popular Valve game Portal. It has basically the exact same mechanics, but as a 2D side-view flash game. Lately I've toyed ...
27
votes
3answers
2k views

How does a 2D game like Zelda handle the character being behind buildings where only part of him is shown?

I'm trying to develop a simple Zelda-style game. I found this very useful topic How was collision detection handled in The Legend of Zelda: A Link to the Past? that I'm using as reference to develop ...
27
votes
2answers
6k views

After a succesful glLinkProgram, should I delete / detach my shaders?

After I have a linked program, and thinking about defensive programming, should I delete and detach the shaders used to link this program? If yes, is that going to free any resources? Or do these ...
27
votes
6answers
8k views

What 3D level development tools are available to indie developers? [closed]

People who build in Unity or UDK have immediate access to a 3D level editor. People who build their games in XNA or from scratch have no such thing. I'm looking for 3D level development tools ...
27
votes
5answers
12k views

How to generate caves that resemble those of Minecraft?

I've been working on a 3D procedural world for a while now and am wanting to start adding cave systems. I'm currently using 2D/3D Perlin Noise for the terrain generation in combination with Marching ...
27
votes
5answers
3k views

Simulating pressure in a grid based liquid simulation

I have a 2D grid based water system in my XNA game, we have a method using cellular automata to simulate water falling and spreading. Example of water flowing down a slope: Each tile can contain a ...

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