Hi everyone,Firstly, thanks to those who offered advice with my RPG. Its finished (well,...its at a playable state but now im bored of it), and now im busy making chess. I apoligize for the fact that this particular question probably has little to do with Java itself other than the fact that im ...

I seem to have an issue displaying "some" PNG files. I am using the source code from Brakeen's tile game in his book. I have converted from using ImageIcon to ImageIO as my way of reading in images. Specifically, I have used the code snippet from Abuse about loading images so that they are ...

I am developing a 3D shoot game which contain a 3D mase,but...why the wall is transparent when I run towards the wall?how can solve this problem?Moreover,I wonder how to run smoothiy in 3D game?

For a course project, I need to implement some ideas about dead reckoning. Before that implementation I have to make a test environment. So if someone knows a Java 2D multiplayer real-time shooting game please let me know. I want to see it to get some ideas about how to simulate a test ...

In my latest game, I'm experiencing some lag when I close menu's, so I assume the lag is caused by my close menu function ;) Here it is:public static void closeTopScreen() {lastScreenImage = GLUIUtil.createBI(Constants.MENU_WIDTH, Constants.MENU_HEIGHT, Transparency.TRANSLUCENT);Graphics2D ...

Sorry for asking this but I'm curious how you make a loading screen for BufferedImages? So far I see applets use MediaTracker but BufferedImage already returns fully loaded pictures. So if the applet uses it, there is a startup delay while pictures download. How do you put a simple loading ...

i declared Sprite[ ] sprite (at netbeans) and it didn't throw any errors. i'm just wondering, can a sprite be an array?

In my code i select a display mode that is in the available display modes,800 * 600 * 32 bitI try to set the display mode to this mode withsetDisplayMode(wantedDisplayMode);but then the screen goes blurry and "invalid scan freq"appears on the monitorany idea what is happeningthanks ...

I'm coding in the save feature for my latest game and I've run into a conceptual problem. Some of the Ship objects will have targets when I save the game. Those targets are stored as other Ship objects. So really what's happening is they're storing the reference to the other ships in the ...

I am writing a 2D game which uses sprites some of which will need to rotate. The following is the code i am using for rendering the sprite. I have tryed to write a version of the render to show the sprite (from the strip of pictures) then rotate it to fit onto the screen. I found that I was ...

Hello everyoneThe problem i have is i want to output to two different screens, for example the normal screen on a laptop and the laptops VGA port.(infact that is exactly what i want todo) Is this possible in Java? Also i would like to develope this in Linux (JDK1.4.2) But be able to run it on ...

I try to search some cool apps written in java in www.java.com, especially game but all of links from there..... is for Windows platform..... They are all in exe format file. GRRRRRRGHHHH.... I dont have Windows.....So I just ask my self....Is java really multiplatform?So is this because ...

I have this three questions:a) I want to get the fps and used memory of my application, I use this code but I don't get the right values:in the update method:long fps_1 = System.currentTimeMillis();paint(g);long fps_2 = (System.currentTimeMillis() - fps_1)*1000;long free_mem = ...

hello! my problem goes this way:i have 3 classes lets say a class in Canvas.java, in Player.java and in Map.java..private Player player;private Map map;..public Canvas {player = new Player (this, map);map= new Map (this, player);}i know this snippet returns an error in "player = new ...

Hi All, I am developping a game that should get data from internet server, But I found that the same code runs on nokia handsets very good, but it runs at Moto T720,will wait for 3 minutes and throw a "java.io.Exception:Close indication on open(0)" error; when it runs at Sony Ericsson T618,it ...

does anybody know how to transform the sprite smoothly? i mean, i have a character walking..there's no problem when it goes upwards or downwards..but when it goes left or right (i used TRANS_MIRROR) this is where the problem arise..the player skips a space or something before it moves..here's ...

i know whoever reads this will probably say here goes another rookie,but i have a problem i have researched exstinsively before posting here.Valuesoft a developer of pc gaming has had a series of games titled nhra drag racing,nhra drag racing 2,nhra main event,and nhra top fuel thunder. Well ...

Hi,I have a question about performance:Is it better to have a big gif file with all tiles, sprites, and all other graphics resource for a game? Or is better to have for example: a medium gif file holding all tiles, a gif file for each sprite?In my opinion the second way is better, because I ...

HiI created a game, and i want to make a .exe file out of the porject , so the user will just click it and it will work (assuming he has a java platform on his computer...)i tried to work with exe4j , but i had some problems with the jar files - i just don't know how to work with themcan ...

I just profiled my game and found that one of the most cpu expensive things happening is:for (int i = bgStartX-Constants.SYSTEM_TILE_WIDTH; i < Constants.GAME_WIDTH; i += Constants.SYSTEM_TILE_WIDTH)for (int j = bgStartY-Constants.SYSTEM_TILE_HEIGHT; j < Constants.GAME_HEIGHT; j += ...

when I load my Frame if another istance of it is opened the pc crashes. I would like to know if is possible to check in the task manager to know if my frame is opened and if soI should close the other one before starting a new one.I have also this problem, when I start my game loading sometimes ...

hello! i have a player sprite moving in the game im developing. whenever it collides in an object (a rock for example), i call a method which stops it from moving in the current direction. my problem is, whenever it detects collision..it doesnt move any longer (its stuck there!). i just want to ...

I would like to know if is possible to manage all the gif colors and alterate them.Example: I have a road crossing with the light blinking but is only one image. In the light I have the color (255,254,254). I would be able to change that color to other colors so I can make a blink effect.If is ...

HiWhat's the best way of dealing with game states?I'm leaning on having a system like this:gameLoop() {while(true) { if (gameState == GameState.INGAME) {updateGameObjects();drawGame();} else if (gameState == GameState.MENU) {drawMenu();} } keyPressed() {if (gameState == GameState.INGAME) ...

My game is built up by a frame which implements both KeyListner and MouseMotionListener.Now I have noticed that while the game loop is running the frame only recieves KeyEvents but not MouseEvents.Why is this? Will I have to put my game loop in a second thread? Is there some other workaround? ...

Hello all,Been pestering a friend of mine with my latest game attempt so I thought I'd pester the general public now. Seems the game ran a bit slow on his machine, but things seem tobe running fairly smoothly for me. Now his machine may not be a high end, super sonic beast, but the way I see ...

Hi, I'm making a 2D platformer and I added a thread (with the lowest priority) that will play midi files. The game now runs noticeably slower (it used to use roughly 2 -10% of my 1.73 gHz CPU, now with midi music it now uses about 40-75%)I've also tried this with .ogg and .mp3 files and they ...

Hi there!I am dealing with the following problem: I have a big transparent GIF image. I am writing a program to break this image in 32x32 pixels tiles and write each of this tile as a PNG. But now the new PNG file has no transparency. I want to have all this individual PNG files to have ...

I have a class called Cargo, which implements a class called Savable. Savable requires two methods to be defined, so in the Cargo class I define them. However, Weapon and SpecialItem extend Cargo, and I want it to be required that they also define the Savable methods, but even if I make them ...

If writing mudane Java code is giving you the blues lately, maybe it's time to turn your medieval fantasies into reality. You can rule your own kingdom while refining your Java programming skills and mastering the Eclipse development environment all at the same time. It's all in a hard day's ...

Ok, would people recomend I use the GridBagLayout for the Applet client for my MUD? Or is another layout better? This client is going to be what the player sees when he accesses my site online. It'll do no actual work, just display some stats (4-10), have a big main text/scroll area, and a ...

i wish to develop an online game , which is mastermind online game, one is gussing the peg another user is evaluation the pegs that correct or incorrect, i heard some one said tat should use the RMI, i am not sure, can i get some idea or recommendation? after i finish the game, where should i ...

I am required to write a game like this: www.tankmania.com in Java. If you have any suggestion please tell me and inspire me. thanks a lot

I work for a large game developer/publisher and am looking for a java 3d engine for applet-based web games. It must be compatiable with the Microsoft 1.1 VM, and require no plugin downloads. In other words, it must be a pure Java 1.1 engine. We're evaluating whether to build or buy, and would ...

When I make any object and set it to have transparency:AlphaComposite myAlpha = AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.5f);g.setComposite(myAlpha);or Color newColor = new Color(255,0,0,100);g.setColor(newColor)then...g.drawXXX( ... );the game slows down hugely! I've noticed it ...

I want do make my own online game. And the main problem for me today is that i dont know how to wite new text files to the server..... help me please. I suppose i need function in this topic or even the parts of code. or references to the examlesThank you/

hello, i have 2 questions regarding "moving screen effect"(a) what's the best way to show a moving screen effect? move all the sprites through sprites.move(x,y) or just set the view window via layer.setViewWindow()? or anything else?(b) while executing the moving screen effect, what is the ...

Hello everyone! My name is Morten Hjerl-Hansen and I'm broke. I'm also a bit sad because I'm making a so called Kings Quest Type Of Game on the net and - you know - I'm totally broke. Danni and Petrea who are by my side in this crazy endeavour are also broke. In fact Danni is beginning to ...

HelloCan someone please give me a link or explain to me how or the logic behind mapping from 2d to 3d. I was told that you have to create a perspective plane. How do you do this?Any input will be a help.Thanks.

I certainly don't =)Magic penny :p

I'm attempting to program a game that will require a scrolling background, but I'm not 100% sure what classes to use. I was looking into JViewport -- it certainly sounds like what I want, but like I said I'm not totally sure. Any information would be greatly appreciated.

hi there,i recently made a game and now i want to make a runable jar file and then exe file of it.this is my manifest fileManifest-Version: 1.0Main-Class: RUN.StrategoCreated-By: 1.4.1 (Sun Microsystems Inc.)my main file is in the package RUNi made the jar file like thisjar cvfm Stratego.jar ...

Thanks for your interest:I used System.setProperty("sun.java2d.opengl","True"); to use the new openGL pipeline and foundthat I can run my game in windowed mode with unprecedented performance (accelerated text, primitive shapes, etc.) however, I get an error when in fullscreen mode:Exception in ...

Hi guys,I am C++/C# developer. All my products are distributed on Windows platform. Recently, I started programming in Java. As newbie, I have some questions. The most important is - Is any way to make each java application to be started as normal exe application. Also I'm interesting about ...

I'm in the process of writing a Java mud client and had a problem where occasionally I'll get irregular characters (as such
followed by the rectangular newline) or when I am being prompted for input the message prompting me does not actually come through until after I answer its prompt. I ...

In my game I use png's to represent my objects. Now I want to get the area of the opaque part of the image.I don't want to use the whole image as a bounding box since it contains lots of transparent pixels in it.public Area getOpaqueArea(Image src) {// Insert your code here please :)} Thanks ...

I am wanting to be able to allow third party mods to be pluged into my game however since i cannot garentee that the mods will not access the local disk or do other bad stuff, is it possible to 'sandbox' the code of the mod? Basically i would want to allow the mod code the same functionality ...

Hi, we are developing a classical chess game, and we started using the Swing JButtonwith success, but when we tried to run our applet in IE it failed... we read about it and we decided to implement our own ImageButton (extending button and creating an Image) , instead of downloading and using ...

Hi,I programm this beginning of game. It's prettty simple , a charachter which rotates following the mouse pointer. The problem is that this simple application uses about 66% of my Athlon 2200+ when I move the mouse.I don't understand , ok there are some mathematics operations and i use two ...

Hey, I'm creating a java game, and I did research, and found that this question has been asked many, many times. But my question unfortunately did not match up with any of these posts :( So here goes...Im creating a java game, which will run as....kind of a mix between a 2d game, and 3d game ...