Classic Network-related computing problem

1050 byte By watertownjordana at 2007-9-28 11:26:31
Here is a challenge that rewards the best answer with $10,000 and their code in Borland's developer magazine each year. It's not easy!Networks are complex. Transporting data from point A to point B in the shortest time and traveling the smallest distance.Here, we have two variables - Speed ...

create a new game

439 byte By gamebeginnera at 2007-9-28 11:26:54
hello everybodyi m a java beginner and hope to make a game myselfi would like to make a offline RPG game at my first stepalso in my game there would be graphic interface as well(i have a bit experience in java swing)i m not sure j2ee, j2se or j2me would be best for game developingor even there ...

you see, all my application defined classes are declared in the 'main' clas

851 byte By mickeyRENa at 2007-9-28 11:26:57
hi there,class MainClass{class other1;class other2;...public void main(...)}other1 needs other2, other2 needs other3 and so on..,so you see, for instance i'm inside other2's function, from within, i need to use other1 ie,class other1 { public void afunction() {// needs other2 }}so what do i ...

anyone wanna see code for a bicubic patch applet?

29287 byte By lightxxxa at 2007-9-28 11:27:00
// theres 2 class and you need to make your own html file// create the following two classes as applications and compile// a bicubic patch is for 3d modeling /* authored by william motill date nov 27, 2002 this versions simply going to allow me to do one thing and that is make control point ...

Cut an image and save each tile to a gif or png

211 byte By Katzuraxa at 2007-9-28 11:27:43
HiIs it possible to cut a image which contain a lot of 24x24 tiles little image,then save each tile to gif or png?I whole like to build a map editor. with this function.Thanks

Java Game Tutorial

571 byte By Exyvarkusa at 2007-9-28 11:27:49
I made a java game tutorial at http://fletchergames.tripod.com/ (click on Java game tutorial). It includes some code as well. It's not much, but it's at least something for people who are just starting out making games in Java.If anyone has anything they want to add to the tutorial (it's ...

4K Applet optimisations...

1505 byte By Abusea at 2007-9-28 11:28:01
basically,im trying to find a way of hijacking an existing thread,so I can remove 'new Thread(this).start();' (and preferable be able to remove the run() method, and the Runnable interface.) in an application, you can bypass the need for a main() method by hijack the Thread initialisation ...

Help with Proxy Server

692 byte By archanaEa at 2007-9-28 11:29:38
Hi!AllI have developed a Chat Application which has to be put up at the Clientsplace over the intranet,i have developed it using the Avalon FrameWork for the server side and applet on the Client side.Everything works perfectly,the application also runs perfectly,im using the port 4000 for ...

Java USB API

526 byte By dchansa at 2007-9-28 11:30:15
Does anyone know where to find some example source code for communicating with USB devices via Java ?I downloaded the Java USB API version 0.10 and compiled the jsr80.jar file using ANT but the system seems unable to recognise the jar file as I can't use the properties of the API. There is ...

Java 2D very slow with Windows XP

709 byte By acaleroa at 2007-9-28 11:30:32
Hi all!I'm writing an isometric game engine using Java 2D API, in full-screen exclusive mode and using all the advantages of the new VolatileImage class. The engine is almost finished, I'm testing it putting some animated players on screen and showing the frame rate of the engine. Everything ...

Image Observer

201 byte By JavaChipa at 2007-9-28 11:33:28
Can someone tell me what the term image observer refers to. I notice in the constructor of TBuffered image that the last parameter refers to the image observer. Thanks Chip

MulticastConnection

6982 byte By KX36a at 2007-9-28 11:33:53
This is all taken from a book, all i have done is put this code in a java file and try to compile it. What do I have to do to get it working? I'm very new. If i can get it working, it is apparently the basis for all Multicast things, but I cant get it working. By the way its a ...

code for a curved surface

56060 byte By lightxxxa at 2007-9-28 11:34:26
this is a reposting of the code for a bicubic patch thier is one more file i will post the one shown here just allows you to draw and make clickable points/* authored by william motill date nov 27, 2002 this versions simply going to allow me to do one thing and that is make control point ...

Where are the JOSRTS developers

199 byte By shishthemoomina at 2007-9-28 11:34:41
Gah, just like on javarules as soon as I join everyone else leaves...I've only seen max 1 (including myself) people online at oncewhere are you guys? http://www.josrts.org

Questions about fullscreen mode that i have?

652 byte By lightxxxa at 2007-9-28 11:34:55
1. can a applet be used to start fullscreen on a veiwers computer from a webpage?to say can i use fullscreen mode from a applet?2. once the mode for fullscreen is switched am i basically able to plotpixels directly to the memory that the monitor is useing to update the screen?if so how do i do ...

AWT

307 byte By apasechnik1a at 2007-9-28 11:35:59
does anybody use it?if you do, please help a newbie student figure out:How do I add an image to a frame or panel Do i use add(Image image) or something like that Or is there a simpler way.thanx.btw, if you do not use AWT, any help would be appreciated ...

Need help with 4K

210 byte By Woogleya at 2007-9-28 11:36:27
Ok.. I made a game and everything, but it's just a tad over 4k, but I'm sure if I could include the images in the game jar, it would be under 4K. How can I use getImage to get an image from a jar file?

Use case representation of authorization

427 byte By psp_prasada at 2007-9-28 11:37:34
Hi,Can the authorization be respresented as an use case.I found a checke privileges usecase in the uml examples site. The checking of privileges is internal to the system and the user has got nothing to do with it. As per the use case definition, one complete business interaction between the ...

Printing rotated shapes modifies stroke

1368 byte By mikic2a at 2007-9-28 11:40:19
Hi,I'm writing some code that draws the same rectangle twice: the first time on the default graphic context and the second time on a rotated graphic context. The code works and I get the two shapes printed as I wanted with the correct stroke of 3 points. But when I try to print these objects, ...

how do you make your objects interact with each other?

542 byte By mickeyRENa at 2007-9-28 11:40:45
hi,okey, all my application defined classes/objects are all instantiated on my main class' constructor(ie, the class that has the main() function)but a lot of times, my own defined objects needs each other.., so how do i exatly tell my main class to return an object since i instantiated my ...

Urgent : Algo to add and subtract numbers from String

162 byte By rprrsna at 2007-9-28 11:41:49
Hi all,I have an algorithm to add and subtract numbers which are in a char array.This is urgent. Appreciate your help,thanks,NR

anyone have a example for useing volitile image in exclusive mode with

447 byte By lightxxxa at 2007-9-28 11:44:11
i need a example of how to use a volitile image in exclusive mode with active rendering .anyone know of one or even partial code of how to do it ive been racking my brain trying to figure out how to do it.or even a example of fullscreen that i can use to draw to the screen in exclusive ...

Coding Complex Summation formulas

289 byte By Nikita04a at 2007-9-28 11:44:51
I have a pretty nasty sum that consists of n number of nestedsummations. n is a parameter. I need a nice way of coding it. I'm thinking recursion but there might be a better way. for some reason I can't find much references on this.nikita

sequence diagram to classes diagram transition

590 byte By psp_prasada at 2007-9-28 11:45:28
On identifying the usecases and their relationships in the sytem, we moved to sequence diagrams. Generally the sequence diagrams are the visual representations of the descriptions provided for each usecase. Now the problem is how to derive classes from sequence diagrams.It would be easier to ...

Connecting Microsoft IIS web server to J2EE application server

244 byte By onlysammya at 2007-9-28 11:45:34
Hello Sir,Is it possible to Connect Microsoft IIS Web Server to J2EE Application server....if yes can anybody tell me how it is done.....Any suggestion or something that will help me is appreciated...ThanksSam

Speed up applet

6211 byte By arnreweise77a at 2007-9-28 11:47:07
Hi! I齰e made a minigolf applet that齭 runs slow on most computers, I know that the problem lies with the drawing of the course. You can check it out at http://130.243.99.7/pph/pph0215/websida/java/minigolf_jar.htm.What can I do to speed it up? My course image is 27 parts that I cut out to make ...

I need help for this!!! please reply ASAP

1136 byte By goquia at 2007-9-28 11:47:10
my program doesn't work: pls give the needed info so that i can make this thing work...thank you very much for your kindness...package ch4_32;import javax.swing.JOptionPane;class ch4_32c { public static void main( String args[] ) //{int x, Cntr1, Cntr2;//String how_many;//double fact, result, ...

Time Based Levels

443 byte By daibhada at 2007-9-28 11:47:41
Hi, I'm developing a chasing game. The game is split into a number of levels and the object is for user to stay alive for as long as possible withing a time limit.Once the the time limit is reached the next level is shown.Any ideas on how to go about doing this. I've heard people using ...

memoryImagesource

160 byte By zuloa at 2007-9-28 11:49:54
I have setup an memoryImageSource for animation.This image gets data from an array, but does anyone know how to make this array from a real Image?

Class without member variables

438 byte By arunbhatKa at 2007-9-28 11:52:08
Is there any rule against having a class without member variables?That is there is a class A and it has a set of functionality which qualifies being put in a separate class B. each time the method(s) of this class B are invoked we pass the parameters on which the method operates.Actually the ...

Networked Data transfer, whats the best way?

852 byte By huangjda at 2007-9-28 11:52:20
Ive written a few networked things, but small scale. One was a tank game, and another was a scrabble game. Information being sent to the server and client was minimal. Currently im writting something much more indepth. So before, I just sent everything back and forth as strings. I started ...

Please tell me what is wrong

2002 byte By apasechnik1a at 2007-9-28 11:52:31
import java.awt.*;import java.applet.*;class CardImage extends Component{private Image image;public void CardPicture(Image i){setSize(71,96);image = i;}public void setPicture(Image i){image = i;}public void paint(Graphics g){g.drawImage(image,0,0,this);}}public class Poker extends Applet{public ...

The Eight-Puzzle

210 byte By megaSuperDouchea at 2007-9-28 11:52:44
Eight Puzzle using Depth-first Iterative Deepening SearchDoes anyone have some sample code to explain how this works.psuedo-codealgortihmsactual codeI'll take anything

paint each pixel only once

1071 byte By mcr1084a at 2007-9-28 11:52:50
I have a somewhat complex question about graphics. I am making a 3D game. The algorithm I use is the painter's algorithm where you paint all the stuff behind it first, and then paint the stuff in front over that. So it uses a back to front painting algorithm. I was wondering if there is a ...

question about understanding the way fullscreen mode work's

603 byte By lightxxxa at 2007-9-28 11:53:09
If i want to manipulate the screens pixels individually. and double buffer as fast as possible.Please tell me if i understand this right.To do pixel ploting since thier is no drawpixel method.i would want to draw my image in a array of say int's, then send that directly to the memory that the ...

Puzzle: How to secure Java-Game Server

432 byte By ahbena at 2007-9-28 11:54:27
Scenario:I have a Java-based game server. The game clients are Java application.Problem:How do I make sure that only the game clients written by our company are able to connect to our game server? This is to prevent some hacker-class players who are able to reverse our clients and write their ...

Weird Network IO problem, need help!

1165 byte By huangjda at 2007-9-28 11:54:28
I have a game ive been working on where clients connect to the server.Just started implementing movement, so all movement requests are sent to the server. The server gets the request (the new coordinates to move the player to), and starts a thread, and just spits back x and y coords for the ...

Howmany use cases

1420 byte By psp_prasada at 2007-9-28 11:55:38
This is an excerpt from "UML Distilled" by Martin Fowler & Kendall scott(pageno.47)"How many use cases should you have?During a recent OOPSLA panel discussion, several use case experts said that for a 10-person-year project, they would expect around a dozen use cases. These are base use ...

Initial Drawing

284 byte By GniBa at 2007-9-28 11:59:26
I was messing around with a random terrain generator just now and I realize I shouldn't be constatly redrawing the terrain in my paint() procedure so I was wondering if there are any ways that I can initially draw the background but not draw it again during the games progress

Pseudo-anonymous CVS upload

501 byte By shishthemoomina at 2007-9-28 11:59:40
For josrts I need to be uploading & downloading via CVS. From trying it locally I've noticed that the windows user name (my real name) is stamped on the files.For the reason that I'd like to stay known *only* as shish (people would get suspicious if a non-shish was messing with shish's ...

software distribution pattern?

238 byte By asjfa at 2007-9-28 12:00:02
hi, is there a standard way in j2ee for distributing files? I'd like to deliver some (non java) software over the internet and don't want to reinvent the wheel in terms of security, roll-back etc..thanks,asjf

singleton pattern vs Static class

243 byte By choudhsaa at 2007-9-28 12:03:08
Why do we implement the singleton design pattern even if we get the same features by making a class members and methods static?Please help me out to understand the difference between these two.ThanksSachin Choudhari

Problems with crashing...

696 byte By Ganona at 2007-9-28 12:03:34
I've been writing several simple games and towards the end of development when the games get very close to the finishing point, they crash on me.When I say crash, it spits out a full blue screen full of text for half a second and then spontaneously restarts the computer. I never get a chance ...

a data structure for the landscape

195 byte By utentezza at 2007-9-28 12:05:28
I'd like to do a landscape such as the Team17 Worms game.What data structure should I use ?An image ? A matrix ? Something else ?Thank you to everyone can suggest me.

Hi - A Class Design Doubt

668 byte By saju_ma at 2007-9-28 12:06:28
hi i'm new to class designs - pls help to get the good solution.i'm having 2 classed Customer and CategoryCustomer Contains...CustomerId,CustomerNameCategory ContainsCategoryId, Desc. i've to design a class in a way that i've to specify the category of the customer. is it feasible to add a ...

getDocumentBase()

220 byte By JavaChipa at 2007-9-28 12:07:42
I am looking at some Java code and am trying to figure out thecode to the left of the equal sign:java.net.URL baseURL getDocumentBase();SO what is going on here? What is java.net.URL ?

Jar Executable woes

440 byte By huangjda at 2007-9-28 12:11:07
I made a jar file, put in the correct manifest to run it as an app. All the images im using are in there, but the only time my Jar file will actually execute, is when the jar file is double clicked in the classes folder that i created it in. So if i take out my jar file to my desktop and double ...

updating paint methods

1128 byte By johnpugh24a at 2007-9-28 12:11:13
Hi all,I was wondering if you can help,I am programming a java game applet and have got a large picture placed directly onto the applet, which is updated with an animation thread. This doesn't look right and I want to put the picture in a JPanel so that I can arrange my GUI better. The usual ...

Panel problem

261 byte By Jen_Ya at 2007-9-28 12:11:52
I'm having this problem with displaying my panel, it displays an image and it wasn't supposed to be affected when I resize the window / frame but then when I resize it (manually) the image just disappears... does anyone know what the problem could be?

Displaying a panel in the same frame / window

421 byte By Jen_Ya at 2007-9-28 12:11:55
I've made a screen (a panel) for a game I'm making which displays the options for the player (whether to play, quit, etc.) I have an image with "hotspots" and when he clicks on "Play", it's supposed to display on the same window. I've tried displaying the map panel for my game but the image ...