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I'm looking at some ideas of creating a smale scale MMORPG game, based in Java, this is a side/hobby project to help my learning process I've already had a play with GAE and have put up a simple web app, I'm thinking of using this as my platform for a game Is this a good idea? Are there any games out there that use suc...
I'm in the middle of an encounter system for an XNA RPG. The idea is, you walk around a dungeon, and certain tiles are makred as RandomBattleTiles, and you have an area in the map defining what monsters can be encountered. What I need is a way to layout the way a monster levels and how it's stat's increase. I was think...
How is collision detection and movement typically handled in a FPS, particularly handling slight changes in ground height such as stairs (both on incline and decline)?
I am trying to make the age-old version of pacman. And only then that I realized that I need to spend a heck lot of time for making the tile matrix itself. It gets messy more and more. I've also heard of this thing called level editors; Are there any of these kind for flash based games. If so, do write it down one line...
As asked in a previous question, I'm looking to create a small MMO that will be deployed onto GAE. I'm confused about what technologies I could use for the user interface, I've considered the following JSP Pages - I've got experience with JSP/JSTL and I would find this easy to work with, it would require the user havi...
The terminology "game state" is a bit vague to me. Could anybody clarify what is included in the game state, please? Is it a state of all the variables and objects within the game at particular moment?
I'm thinking of incorporating a versus/competitive system into my webgame ( ninjawars.net ), based off of the old "mastermind" game. Let's call choosing the color dots in mastermind the "defensive" role, and determining what color dots were placed the "offense" role. Mastermind is already competitive, but when creatin...
Currently I am learning XNA and while playing around with some tutorials knowing what I am aiming for a game it made me think that the Sprite Class will be something very important and re-used a lot of times, not sure if I am mistaken or not with this thinking. Bellow you can see the Sprite code I am using at the momme...
I'm looking to create a simple, "randomly" generated map for a small game. The game consists of a top-down view of a world, with land-mass and ocean areas. Think of a simple outline map of the world for example. The closest thing I can think of that I've seen before was the level-generator for the old SimCity games, o...
Assume you have several 1024x1024 textures which contain an arbitrarily shaped and relatively complex cave system whose walls need to have collision polygons defined. The polygons need to be convex to work with the physics engine. What kind of process and tools can you think of that would make editing the vertices of t...
If you like developing flash games just for fun, why not make money through them? There are different ways you can monetize your flash game: In Game Ads: Some common examples: Mochi Ads gamejacket ad4game CPMStar InviziAds You can make money by helping online gaming companies test and evaluate new games. Many of tho...
I've been considering moving to a more component-based approach in my games. Does anyone else have any decent reference material or sample implementations that would help make this transition a little easier?
I develop my own game engine for fun (but not profit). I have rendering in one thread and my scene graph updates (velocity, etc.) in another. When it's time to render, the render thread adds the visible nodes to a new linear buffer and traverses them. In more detail, my scene graph is triple-buffered. Each node in m...
The game is 2D, how can I make simple physics for a group of balloons colliding in the screen. What I need is the balloons not to overlap and to bounce when they reach the limits of the screen or other balloons. Should I use something like box2d or is there a simple algorithm to do something like this?
Could you please list a few free 3d OOP game engines, along with the pros and cons? Embeddable in VB.net would be great.
I'm making an isometric game. When the player tries to walk diagonally into a wall I want them to slide smoothly across it, so whatever portion of the movement would be legal is used, and anything in the direction of the normal is thrown away. Walls can be any angle, not just vertical or horizontal, and the player has...
I've been working (off-and-on) on a pbbg that's pretty old school. If you've ever played Carnage Blender then you get the idea. If not, it's a simple idea that's been done a lot: A player is allocated a certain number of "points" each day, and spends those points to attack other players. Points accrue over time, up ...
I'm curious as my previous company is asking us (people who developed the game) on what to do to the game since it's no longer financially viable. My suggestion was to open source it so people can still enjoy the game at the same time it could at least be improved. But we did use a licensed Torque engine which was mos...
I use GameMonkey to script the game play and use the script from my C\C++ host game. I've got it working the script with my engine. But I have a question. In these engines like Torque, Unreal, Unity, etc. when you finally build the game, all the scripts are also compiled and you don't need to ship all the script source...
Well, I don't really what else to add to the question, since I don't really know what competitors have that OGRE doesn't. Of course I'm talking game rendering quality here, I don't really think there are very complicated programming stuff left, maybe AI... Since torchlight is the best game done with OGRE (I think), is ...
I'm looking to develop a multitouch rhythm game in C#. It is aimed to be a simulator for an existing arcade game, similar to this: http://www.youtube.com/watch?v=TAiNNpA3wwg So far, I've decided on several requirements for the game that should be present: 1) Unicode text display, without the characters being known be...
In a 2d game, I have a basic camera class. The guts of the class creates a transformation matrix that is later passed to the Begin() method of a SpriteBatch. The transformation is done like this: Transform = Matrix.Identity * Matrix.CreateTranslation(-Position.X, -Position.Y, 0) * ...
I have been working on a game for quite a while, and I am using Ogre3D for the rendering engine. It is getting to the point I need to move adjustable settings to a configuration file such as video settings/options, player keybindings, etc. I am using RapidXML for parsing and loading my scenes, but I am not sure this is...
I'm looking for a C\C++ game dev framework that supports iPhone. It should have least Objective-C requirement to use it. The closest one I could find is Kanji engine. But that's not free. Other frameworks like cocos2d need to be code in obj-c. So do you know any C\C++ game dev framework for iPhone? Thanks
From what i know m4a and aac are the same thing with mp4 allowing video while the former only allows audio. Whats the difference between vorbis ogg and m4a? I looked it up and it seems that m4a/aac are patent free. What are reasons i may want to choose one from the other? Assume source will always be lossless (wav/aiff...
I'm trying to figure out a way to write a save/load system for my game in C++. As of right now, I'm doing it all using binary flags. Anyone got a clue on how to do it another way? I don't mind using binary, but I want to know my options. I also want something in which it would be easy to check on the status of just one...
Can someone suggest papers or algorithms about calculating shortest paths in Euclidean spaces with non-convex polygon as obstacles?
This is a design question... I'm sure this could be generalized more, but I'm having a hard time with it. I am wondering about design for game object interactions - here is my example (2D puzzle-platformer). Say the player is trying to progress through a level. There are many lights that can be pointed in different dir...
I'd like to find some "magic numbers" for the classic helicopter game. For example the numbers that determine how fast the helicopter accelerates up and down. Also perhaps the "randomness" of the obstacles (uniformly distributed? Gaussian?). Where can I find these numbers? p.s. I don't care about the particular pla...
I am about to purchase quite a few model packs from a website for prototyping my game. In the contract it states that I must protect them as to prevent the public from gaining access to them. I remember working with the Valve games, they used .gcf (game content file) that basically was an archive of all the content for...
Say I'm making this big game in C# with XNA. What options do I have to include a scripting feature to my code base?
The higher the framerate, the better the game looks, but the faster it drains the battery. What's a happy medium? (I'm making a relatively simple 2D game with sprites moving constantly. I want the movement to appear smooth but I know how irritating it is when a simple game sucks your battery dry.)
A game is a set of Game States. Each Game State contains game objects, may be list, may be scene graph or any other data structure. We can use Game States as Game Locations, too. How do you share data between Game States, for example, hero and his/her inventory when it moves from one location to another? It looks like ...
Civilization IV was a highly moddable game, and many great mods/games were built off it (Fall From Heaven 2 being my personal favorite). Does Civilization V have the same opportunities for modding that Civilization IV offered?
In a previous game I wrote I had a game character class. This class tracked the location, velocity, and a set of states. Except the states were tied very close to the animation. Each state would have a list of buttons that can transition it other states, and an animation that would go with that state (you could also d...
Having noticed that UDK (Unreal) and Unity 3 include similar pre-computed visibility solutions that unlike Quake are not dependent on level geometry, I've been trying to figure out how the calculation is done. The original Quake system is well documented: You divide the world into convex volumes that limit both the cam...
I'm building a game where I form words (think Scrabble) and I need to have them validated in real-time, meaning that I need to have some sort of word list loaded where I can check if the word made exists or not. I was wondering what would be the best way to store that list, should I just create an Array or use some sor...
Possible Duplicate: Cross-Platform Audio API Suggestions I have gone down this road a few times, and always decided to put it off. I am finally to the point I need to choose an Audio library and stick with it. I switched physics engines 3 times which caused quite a bit of wasted time, so I would like to be set when ...
Someone I know suggested just making every customizable on the model then just hide the non active ones. But that doesn't sound very efficient for me. So my question is what is the best method to use for making customizable 3d avatars in general? And specifically what would be best used in Unity3d?
I have a few books on Design Patterns, and have read some articles, but cannot intuitively figure out which programming design patterns would be useful in game development. For example, I have a book called ActionScript 3 with Design Patterns that details several design patterns such as Model View Controller, Singleton...
In Andrew's comment on my other question, he noted that it was possible to render text to a Texture2D using the Windows API, instead of drawing the text directly with a SpriteBatch. How is this done? I'm guessing there's an intermediate step before writing the image data to a Texture2D. I'm asking because this would al...
Hey all , I want to make something more interesting in my game some thing like a charts Analysis for a flash game. When THE PLAYER FINISH THE GAME . The score appears in charts . I want to integrate it with actionscript3 . NOTE The game is 60 seconds only I want to draw the score of the user in Y-axis And the Time in ...
I just wondered how to create a mirror within a 3D game? My suggestion is/was to trace rays, hitting the "mirror" object then drawing a picture of a second cam onto the "mirror" object which is located at the original camera's mirror "point" by using the hit side of the mirror object as mirroring plane. We would have t...
I am wondering what the best way to approach a "lighting" effect in 2D games is. For instance, if my main character is glowing, what techniques can I use to complete the visual effect of the character glowing when it is near other objects which would be affected by the light?
Browser and mobile games commonly have global highscore tables. It's also common for those tables to contain scores of 2,147,483,647 — where people have figured out the webservice call that reports scores and used it to record a fictitious score. For simple puzzle games, we can defend against this by including a record...
The idea I have an idea for a game. A few games, actually, that can built on top of the same general design. There is a game world that the player and the other actors exist in. The player can get information from the world about his surroundings. The player can also interact with the world, picking up an object for ex...
I want to internationalize some texts in a flash (not flex) game I'm working on and I can not find an easy way to achieve that... I have found some libraries and other solutions, but I expected something a lot easier (it is really easy with other technologies). Do you have experience in this? How do you do it?
Currently developing a game for Android. I went through a tutorial to get sprites, loop, etc. up and running, and it all works fine. The way it is currently set up is that Main creates a canvas, the canvas then runs a thread which has the while loop calling update() and display() functions in the canvas class. All of t...
If I create a custom map with the Starcraft 2 map editor, how can I specify that some unit upgrades are already researched? For example, if I want all the units to already have the weapons upgrade 1 at the beginning of the game, can I specify this in the editor? I've looked through the menus but didn't find anything th...
I have checked many different sites including jogamp but couldn't manage to find any zipped,rared or jared collection of builds and javadocs.
I'm currently writing a small cross-platform OpenGL-based 2D game engine for our studio. When I researched which 2D Vector class to use, I stumbled across three different design paradigms: Float & Call-by-value, like in this Gamasutra article. Seems to be fast but offers little precision (see also this Thread). Pro: F...
I have been around programming for a while as a hobby, but I did not start seeing this concept until recently. I have google'd "what is serialization" numerous times, but I never actually get any sort of definition, usually just examples of how to do it. I am seeing it around the Ogre forums, the Bullet forums, and eve...
I am developing an Ipad application. It supports both landscape and portrait mode. The app has keyboard.It also shows an action sheet with 4 buttons when required. In portrait mode it works perfectly. But in landscape mode action sheet only show 2 buttons when keyboard is there .Without keyboard it show all 4 buttons. ...
I heard that it would be a lot easier to do java type games and then move on to Android gaming? I AM a total beginning but with motive and I have been reading about it from several sources, including similar questions on this site alone. But I need to know specific things from experienced users. As for getting the SDK ...
We don't have zune HD in Canada (yet) just wondering if it has the same programmable features as WP7? Like gestures and accelerometer. Basically if I am just making a game, with screen controls (thumbsticks on the screen) is this an easy port to zune? Thanks!
As the title suggests I'm developing a top down space game. I'm not looking to use newtonian physics with the player controlled ship. I'm trying to achieve a control scheme somewhat similar to that of FlatSpace 2 (awesome game). I can't figure out how to achieve this feeling with keyboard controls as opposed to mouse ...
Do you distinguish constant and changeable game objects when you save/load game? If yes, how do you do it? If not to save constant objects (for example, mountains and trees), we optimize memory usage and save/load time. But functional requirements for the game can change. Now you want trees to be mutable and destroyabl...
I actually just started tracing (thanks David Young for the nomenclature correction) a couple of new web-based games for Facebook a few weeks ago and I have just been inundated with mental blocks and time sucks from re-coding. I am working on something similar to the turn based (Vampire Wars) style RPG. I have the sk...
What are the pros / cons of the three?
I am making multiplayer (2 players) Minesweeper like the one that's available on MS Live Messenger. Client side is going to be silverlight, server side will be MVC Application. Client (the one who is waiting for his turn) will poll server every X seconds to get current state, the other client (who's turn it is will pos...
My son (15) has decided that he wants to pursue a career as a games programmer. I've said that he should get started now with a simple game. He has no programming experience yet, but I am a programmer (business apps, not games) so I can teach him programming, but what would be a good platform for him to start on? Initi...
I'm defining a custom/simple file format for loading textures in my game. I narrowed my choice of file formats to two options: Lua protobuf I chose Lua, because my game is already using Lua, I wouldn't need to add protobufs to the build. Eventually, I'll use the engine to build a network game, at which point I'll a...
I use C++ as my language as choice. However, I generally use Python to write helper utilities and tools. My worry is that as my game engine continues to grow it's getting tedious to reimplement some of its features in Python. There has got to be a better way. Here are the options as I seem them Keep on keeping on. Th...
I'm trying to wrap my head around this very Hello World-y problem in game development. I've created a TicTacToe game in XNA so I guess the next step would be a Breakout clone. Keep in mind that I have no knowledge on game programming or even what maths I should apply to where. That's why I'm asking this question. To t...
For example, I've asked about the breakout formula to calculate the ball bounce. Inside of XNA, I don't know where I would code this and to even display something I would need a lot of code. Is there something simple way visualize math formulas such as the one above?
Any ideas on how to fix this? According to what I remember about XNA 3 was that when running the application from scratch, I would get a blue colored windows with nothing rendered. Any suggestions? EDIT! I right clicked the project and selected Properties and changed the Game Profile from Use HiDef to Use Reach. Now t...
In a RPG context, what are the ways to quickly find a character's level, given his XP? There are two cases which I am looking at: For when a formula is defined, like in the case of D&D, which is N = N(N-1)500, where N is the desired level. When no formula is defined, each level has an amount of XP require which is d...
I guess this kind of game or simulator already exist somewhere, but I'm not sure... Let's imagine I'm making a game where the proportions of the planet earth and the humans beings on it are the same as in the reality. I can't only use longitude/latitude with float because when being far away from the origin, precision ...
I'm building an ability that drains energy from the target unit and gives it to caster unit. I've tried to associate an actor that hooks in to the ability's start event to create the continuous beam, but the beam never appears. What's the right way to do this?
If I decide to write a simple game both text and graphical (2d) what libraries would I use? (Assume we are using a HTML5 compatible browser) The main things I can think of Rendering text on screen Animating sprites (using images/css) Input (capturing the arrow keys and getting relative mouse positions) Perhaps some pr...
My game a sidescrolling platformer. I've created my own Tile app which in the end export an xml file detailing what each 32x32 space (in the entire image) contains (environment, platform, etc.). I get how to use it for static things/collision detection and quad trees and so forth but still have no clue how to use this ...
I don't really know when vertex and/or pixel shaders became available for consoles and computers, but what could we do without them ? I don't really understand what is achievable with shaders and what is not without them, and what are the true advantages while using them. I guess the advantages of using shaders are per...
I'm new to all this game developing, and I'm starting to learn java because I was told it was a great way to start. I want to later on create games for the android market, and want to get a good view from you guys, so I know what I'm dealing with exactly. I DO realize that Android development has different architecture...
I have been thinking for a while about making an online 2D RTS-like game. (2-6 players in a match, up to 50-60 units, no AI). The key thing here is that I want the game to be playable in a browser, so it'll have to be either flash or java applet, both using TCP sockets. At first I was entirely focused on flash because ...
I live in a large urban area and suspect there are groups of independent game developers that meet to discuss games and just hang out. Are there any clubs or groups or associations or whatever for indie devs?
I have been working on a game in Ogre for the last 6 months or so. It started as a learning project, and after a few rewrites it actually turned into a real game project. Physics scared me, and using Bullet with its lack of documentation was a nightmare, but I was able to atleast get some basics added and learned a lot...
I have started to read up about the web technology available for doing web-based game with only Javascript, but I have no where got feedback about SVG with HTML5. Is is a viable choice ? Does it performs well compared to other technique like Canvas, DOM & CSS Transformation, etc.
I wonder what kind of animation techniques are used for creature and character animation in modern hack&slash type tile based games? Keyframing for different actions may be one option. Skeletal framing may be another. But how about the physics? Or do they use a totally hybrid system of inverse kinematics supported with...
This article describes in general, how to draw sharp OpenGL 2D graphics, using fixed function pipeline. http://basic4gl.wikispaces.com/2D+Drawing+in+OpenGL Because OpenGL ES 2.0 has some ES 1.x functions not available (such as: glOrtho()), their functionality must be substituted in Fragment/Vertex shaders. My questio...
I am a huge MUD games fans. Though, MMORPG's rising popularity gives text-based games a strong opponents that they can't match. I started my own MUD engine (codebase) a while ago and I'm now looking for various ideas or features you guys have encountered in various games. I have come across various ideas so far : A ki...
So far, in my rhythm game, I've been using XNA's Content Pipeline for loading static resources in my app (videos, sound effects, etc). However, down the road I'd want to allow users to create their own themes, as well as making custom notecharts for whatever songs they'd like to play. Is there any way to load say, a Te...
Are there are any modern resources on how to develop games for Mac OS? I suppose this would include objective c, cocoa and opengl 3+. The book Beginning Mac OS X Game Development with Cocoa looks very promising but isn't out until early next year.
HI All, what is the steps of to install the unity package in to iphone and create a build (app file )that my client can also able to install in his iphone . Thanks, balraj.
I was told that I should start learning Linear Algebra in order to create good games with good physics. I'm reading Linear Algebra book and it's completely foreign to me. The author starts out with solving linear equations (two equations, two variables) and I remember learning about that in school, but almost immediat...
For example, I created my character drawing on Paint.NET using the Pencil tool and now it's a sprite like asset. If I want him to move do I need to create many different poses for him and render them according a timer? Or do I need to have each pose side by side in a single image, then render the rectangle I need, thus...
I have seen this game Fancy Pants 2 . And the thing I noticed apart from the physics and beautiful animations is that the character is moving along slopes , even curved slopes. I have little experience in Box2d, but this concept of curved slopes is new to me. It would be a great help to me If somebody enlightened me o...
I have a past with jbullet but the existing jogl compatible sources and demos seems uncompleted. I have managed to implement it to an extent but still looking for a better documented engine with more demo applications. My answer to this question is currently JBullet but wondering if there are any better and easier sol...
I know how to display a 2D map with tiles. I know how to make a pathfinding algorithm using A*. Those two things demand a structure or a class. My question is : do you use the same structure for displaying and path-computing ? Node structure for pathfinding demand to add some data : x position, y position, F, G, H plus...
I am working on a MUD engine and I want to do it a little differently then all the MUD games I played. I find a "cycle" system very boring. One of the idea I had is to make every clients socket working in their own Thread. I am aware that it wont end with hundreds of player but I would like to know if there are problem...
I've just started to learn Unity3D. I want to create a simple 3D menu with just two 3D Text instances. I've created and named them, then dropped this script: function Awake(){ print("MenuItem "+gameObject.name+" init!"); } function OnMouseEnter(){ print("OnMouseEnter " + gameObject.name); } function OnMouseDown...
I made a motion blur using OpenGL immediate mode, basically it involves saving screen to texture, then rendering blended texture back (let's skip the details) with something like this: glBegin(GL_QUADS); glColor4f(1.0f, 1.0f, 1.0f, 1.0f); glTexCoord2f(0.0f, 1.0f); glVertex2f(0, 0); // Bottom Left Of The...
How can you dump GPU memory (images and such that are loaded on it) to the standard format ?
Is there an "academic" way to have NPC walking randomly on a map, but having a believable comportment ? The obvious scenario is a armed guard who is walking around a basement to secure it. It's quite easy to set up a "believable" path. What I'm looking for is a way to simulation a crowd in a small town, in fact. How ca...
My question is about the data structure (and logical way to use this structure) behind this type of comportment of NPC enemy : How does he computes the place where he can take cover when the player is shooting at him ? It can be in a FPS-like, or a "board game" view game...
How do you query the amount of VRAM available when using DirectX?
I am looking for a tool that I can use to create sprite sheet easily. Right now I am using Illustrator, but I can never get the center of the character in the exact position, so it looks like it is moving around(even though its always in one place), while being loop through the sprite sheet. Is there any better tools...
I am using Ogre for my rendering engine, and I planned on just using the .mesh format that is setup by default with Ogre. However, I recently purchased a large number of 3d assets from a company, only to find out that they use 7 blend weights where as Ogre has a max limit of 4. I don't know much about modeling and anim...
I am using Ardor3D, and find the spotlight is quite bumpy. Anybody has a good pixel shader can smooth the edges of the spot light? thanks,
I'm thinking of like the SNES, N64, Atari... even the DS today, I suppose. SNES games did not usually take up more than 4 MB of space, and N64 games were usually 32 to 64 MB worth of data. These days, you can barely compile a "hello world!" program without the resulting compilation generating 1.21 gigabytes!! of data. ...
Is there any way to enable a temporary clipping mask in XNA while using a SpriteBatch? I'm drawing a bunch of Texture2D objects and Sprites in a given rectangle, and I want to make sure that said objects aren't drawn outside of that rectangle. If it's of any help, I'm already drawing my content within a Viewport, I'm n...

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