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• Lost transparency in SDL surfaces drawn manually

  - by Christian Ivicevic

  I want to create SDL_Surface objects for each layer of my 2d tile-based map so that I have to render only one surface per layer rather than too many tiles. With normal tiles which do not have transparent areas this works well, however I am not able to create a SDL_Surface with transparent pixels everywhere to be able to draw some tiles on specific parts which should be visible (I do NOT want the whole surface to appear with a specific opacity - I want to create overlaying tiles where one can look through). Currently I am creating my layers like this to draw with SDL_BlitSurface on them: SDL_Surface* layer = SDL_CreateRGBSurface( SDL_HWSURFACE | SDL_SRCALPHA, layerWidth, layerHeight, 32, 0, 0, 0, 0); If you have a look at this screenshot I have provided here you can see that the bottom layer with no transparent parts gets rendered correctly. However the overlay with the tree tile (which is transparent in the top left corner) is drawn own its own surface which is black and not transparent as expected. The expected result (concerning the transparency) can be seen here Can anyone explain me how to handle surfaces which are actually transparent rather than drawing all my overlay tiles separately?

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• New Computer

  - by Matt Christian

  Last night I received my computer that was ordered with my tax return money.  Here are the specs of my old computer: - Pentium 4 Processor - 3-4 GB RAM - ~256 GB HDD space (2 drives) - nVidia card (AGP 8x) Sorry I can't be more specific, my memory is gone :p  Here are the new computer specs (mostly): - 2.8ghz Pentium i7 quadcore - 6 GB RAM - 1 TB HDD space (1 drive) - 1 GB Radeon card (PCI-X) I also got a new monitor (22" Asus with HDMI) so will be using my 19" widescreen as a secondary monitor. If I remember I'll hop on here and post the specifics later on...

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• Project Corndog: Viva el caliente perro!

  - by Matt Christian

  During one of my last semesters in college we were required to take a class call Computer Graphics which tried (quite unsuccessfully) to teach us a combination of mathematics, OpenGL, and 3D rendering techniques.  The class itself was horrible, but one little gem of an idea came out of it.  See, the final project in the class was to team up and create some kind of demo or game using techniques we learned in class.  My friend Paul and I teamed up and developed a top down shooter that, given the stringent timeline, was much less of a game and much more of 3D objects floating around a screen. The idea itself however I found clever and unique and decided it was time to spend some time developing a proper version of our idea.  Project Corndog as it is tentatively named, pits you as a freshly fried corndog who broke free from the shackles of fair food slavery in a quest to escape the state fair you were born in.  Obviously it's quite a serious game with undertones of racial prejudice, immoral practices, and cheap food sold at high prices. The game itself is a top down shooter in the style of 1942 (NES).  As a delicious corndog you will have to fight through numerous enemies including hungry babies, carnies, and the corndog serial-killer himself the corndog eating champion!  Other more engaging and frighteningly realistic enemies await as the only thing between you and freedom. Project Corndog is being developed in Visual Studio 2008 with XNA Game Studio 3.1.  It is currently being hosted on Google code and will be made available as an open source engine in the coming months.

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• ibus symbol disappears for Japanese language selection

  - by Christian Becker-Asano

  Similar to this post No ibus icon in Kubuntu, I have trouble with the ibus icon in Ubuntu 12.04. Each time an update is installed, the language selector for Japanese disappears from the top panel. I need to uninstall and install Japanese again, then reboot, to make the symbol appear again. In this thread No iBus icon in Kubuntu 12.04 the suggestion was to install the Japanese Version of Ubuntu, but is it really true that one has to stick to a special version of Ubuntu to get this problem solved? If so, how can I transfer the settings easily from the current version to the Japanese one?

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• How exactly are textures drawn on faces of cubes?

  - by Christian Frantz

  Are they drawn from the lower left corner clockwise? I know how triangles are created, I'm not just sure if textures are the same way. The texture on my cube is skewed way off and after playing around with the U,V coordinates, I still can't get it right. //front left bottom corner ok vertices[0] = (new VertexPositionTexture(new Vector3(0, 0, 0), new Vector2(1, 0))); //front left upper corner vertices[1] = (new VertexPositionTexture(new Vector3(0, 1, 0), new Vector2(1, 1))); //front right upper corner ok vertices[2] = (new VertexPositionTexture(new Vector3(1, 1, 0), new Vector2(0, 1))); //front lower right corner vertices[3] = (new VertexPositionTexture(new Vector3(1, 0, 0), new Vector2(0, 0))); //back left lower corner ok vertices[4] = (new VertexPositionTexture(new Vector3(0, 0, -1), new Vector2(0, 1))); //back left upper corner vertices[5] = (new VertexPositionTexture(new Vector3(0, 1, -1), new Vector2(1, 1))); //back right upper corner ok vertices[6] = (new VertexPositionTexture(new Vector3(1, 1, -1), new Vector2(1, 0))); //back right lower corner vertices[7] = (new VertexPositionTexture(new Vector3(1, 0, -1), new Vector2(0, 0)));

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• SEO optimization for AJAX site and dynamic HTML canvas

  - by Christian Benincasa

  I have a site that uses AJAX to query the Last.fm database and then dynamically draws a graph of the results on an HTML canvas. In the search function, I have a command that sets window.location.hash to the search parameters. I also have a function that checks if a hash was provided in the url and if so, generates the page. For example, http://www.thenlistento.com/#!/led+zeppelin will automatically navigate to a search page for Led Zeppelin. My question is, how do optimize this set up for SEO? Can it be done at all? I've taken a look at Google Webmaster Docs and read over the hashbang protocol, but I'm not totally sure how to apply it to my situation..or even if I can at all. Any help/suggestions would be greatly appreciated. Link to the site: http://www.thenlistento.com

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• My Thoughts on Reinventing the Wheel

  - by Matt Christian

  For awhile now I've known that XNA Game Studio contains built-in scene management however I still built my own for each engine.  Obviously it was redundant and probably inefficient due to the amount of searching and such I was required to do.  And even though I knew this, why did I continue to do it? I've always been very detail oriented, probably part of my mild OCD.  But when it comes to technology I believe in both reinventing the wheel and not reinventing it all at the same time.  Here's what I imagine most programmers doing.  When they pick up XNA, they're typically focused on 'I want to make a game with as little code as possible'.  This is great and XNA GS is a great tool, but what will it do for programmers that want to make games with XNA?  If they don't have any prior experience with other tools they will probably not ever learn scene management. So is it better to leverage code and risk not learning valuable techniques, or write it all yourself and fight through the headaches and hours of time you may spend on something already built?

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• Enabling SSL Requests on Jdev's Integrated Weblogic

  - by Christian David Straub

  Often times you will want to enable SSL access for such things as secure login or secure signup. By default, the integrated WLS that ships with JDev does not listen to SSL requests. However, this is easily fixed.Just navigate to http://127.0.0.1:7101/console. This will deploy the console app where you can configure WLS. By default the login credentials are:username: weblogicpassword: weblogic1Then go to Environment -> Servers -> DefaultServer. Check the "SSL Listen Port Enabled" box and your server will now listen to SSL requests (just make sure to use the listen port that is specified).For added security, you can always check while processing your request that it is going through an SSL connection by first checking HttpServletRequest.isSecure().

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• Flash Actionscript 3.0 Game Projectile Creation

  - by Christian Basar

  I have been creating a side-scrolling Actionscript 3.0 game. In this game I want the Player to be able to shoot blow darts as weapons. I had some trouble getting the darts to be created in the right place (in front of the player), but eventually got it working with some help from this page (please look at it for background information on this problem): http://stackoverflow.com/questions/8031553/flash-actionscript-3-0-game-projectile-creation I got the darts to be created in the right place (near the player) and a 'movePlayerDarts()' function moves them. But I actually have a new problem. When the player moves after firing a dart, the dart tries to follow him! If the player jumps, the dart rises up. If the player moves to the left, the dart moves slightly to the left. Obviously, there is some code somewhere which is telling the darts to follow the player. I do not see how, unless the 'playerDartContainer' has something to do with that. But the container is always at position (0,0) and it does not move. Also, as a test I traced a dart's 'y' coordinate within the constantly-running 'movePlayerDarts()' function. As you can see, that function constantly moves the dart down the y axis by increasing its y-coordinate value. But when I jump, the 'y' coordinate being traced is never reduced, even though the dart clearly looks like it's rising! If anybody has any suggestions, I'd appreciate them! Here is the code I use to create the darts: // This function creates a dart public function createDart():void { if (playerDartContainer.numChildren <= 4) { // Play dart shooting sound sndDartShootIns.play(); // Create a new 'PlayerDart' object playerDart = new PlayerDart(); // Set the new dart's initial position and direction depending on the player's direction // Player's facing right if (player.scaleX == 1) { // Create dart in front of player's dart gun playerDart.x = player.x + 12; playerDart.y = player.y - 85; // Dart faces right, too playerDart.scaleX = 1; } // Player's facing left else if (player.scaleX == -1) { // Create dart in front of player's dart gun playerDart.x = player.x - 12; playerDart.y = player.y - 85; // Dart faces left, too playerDart.scaleX = -1; } playerDartContainer.addChild(playerDart); } } // End of 'createDart()' function This code is the EnterFrameHandler for the player darts: // In every frame, call 'movePlayerDarts()' to move the darts within the 'playerDartContainer' public function playerDartEnterFrameHandler(event:Event):void { // Only move the Player's darts if their container has at least one dart within if (playerDartContainer.numChildren > 0) { movePlayerDarts(); } } And finally, this is the code that actually moves all of the player's darts: // Move all of the Player's darts public function movePlayerDarts():void { for (var pdIns:int = 0; pdIns < playerDartContainer.numChildren; pdIns++) { // Set the Player Dart 'instance' variable to equal the current PlayerDart playerDartIns = PlayerDart(playerDartContainer.getChildAt(pdIns)); // Move the current dart in the direction it was shot. The dart's 'x-scale' // factor is multiplied by its speed (5) to move the dart in its correct // direction. If the 'x-scale' factor is -1, the dart is pointing left (as // seen in the 'createDart()' function. (-1 * 5 = -5), so the dart will go // to left at a rate of 5. The opposite is true for the right-ward facing // darts playerDartIns.x += playerDartIns.scaleX * 1; // Make gravity work on the dart playerDartIns.y += 0.7; //playerDartIns.y += 1; // What if the dart hits the ground? if (HitTest.intersects(playerDartIns, floor, this)) { playerDartContainer.removeChild(playerDartIns); } //trace("Dart x: " + playerDartIns.x); trace("Dart y: " + playerDartIns.y); } }

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• Can and should a game design be patented?

  - by Christian

  I have an idea for a game that I want to develop and I feel is unique, and I'm wondering if I should patent it. I read on the web that games can be patented, but just because it can be done doesn't mean that it makes sense to do it. I actually don't really want patent it (it's expensive, a hassle and I don't believe in patenting of ideas... unless it's something truly revolutionary). However, I'm concerned a bigger company could come along, with more experienced game designers and developers and steal the idea.

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• creating bounding box list

  - by Christian Frantz

  I'm trying to create a list of bounding boxes for each cube drawn, so I can use the boxes to intersect with a ray that my mouse position is casting, but I have no idea how. I've created a list that stores the boxes, but how am I getting the values from each box? for (int x = 0; x < mapHeight; x++) { for (int z = 0; z < mapWidth; z++) { cubes.Add(new Vector3(x, map[x, z], z), Matrix.Identity, grass); boxList.Add(something here); } } public Cube(GraphicsDevice graphicsDevice) { device = graphicsDevice; var vertices = new List<VertexPositionTexture>(); BuildFace(vertices, new Vector3(0, 0, 0), new Vector3(0, 1, 1)); BuildFace(vertices, new Vector3(0, 0, 1), new Vector3(1, 1, 1)); BuildFace(vertices, new Vector3(1, 0, 1), new Vector3(1, 1, 0)); BuildFace(vertices, new Vector3(1, 0, 0), new Vector3(0, 1, 0)); BuildFaceHorizontal(vertices, new Vector3(0, 1, 0), new Vector3(1, 1, 1)); BuildFaceHorizontal(vertices, new Vector3(0, 0, 1), new Vector3(1, 0, 0)); cubeVertexBuffer = new VertexBuffer(device, VertexPositionTexture.VertexDeclaration, vertices.Count, BufferUsage.WriteOnly); cubeVertexBuffer.SetData<VertexPositionTexture>(vertices.ToArray()); } There aren't any clearly defined variables for the bounds of each cube created, so where do I create the bounding box from?

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• Wordpress html email plugin that doesn't merge with your users?

  - by christian

  I just launched a wordpress site as a redesign of my strictly html site and added my blogger blog to Wordpress to keep it all in one place. I am trying to send an html email from my Wordpress site to all of my blogger subscribers encouraging them to subscribe to my new blog and join my newly created membership program, but every html email plugin (that I have found) imports your your users with you Wordpress users before you can send them an email. Is there a plugin that allows me to send an html email to a list of email address without adding them as users? otherwise I will have to go through and delete all of my users (after importing the list and sending the email) and try to pick out my legitimate users who have already signed up all the while watching for new ones to make sure I don't delete them.

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• Email provider - suggestions needed

  - by Christian Fazzini

  We are looking for a good way to have email support. In theory, we need to allow end-users to send emails directly to support and careers. i.e. support@domain_name_here.com and careers@domain_name_here.com. Second, we need to provide emails to our staff. So each staff member has their own email address. i.e. joe@domain_name_here.com, meghan@domain_name_here.com, etc. Google Apps is one that we are considering. However, they are charging $50 per user, per year. Not so bad, considering the quality and the features they offer. However, there are also cheaper alternatives. i.e. my domain registrar offers an email plan for $20 / year / 10 emails. Go Daddy has a number of plans and still a lot more affordable than Google Apps. So far Namecheap and Go Daddy are the only ones I have looked at for email plans. Is it worth signing up with Google Apps? Or are there better alternatives? Your thoughts?

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• KERPOOOOW!

  - by Matt Christian

  Recently I discovered the colorful world of comic books.  In the past I've read comics a few times but never really got into them.  When I wanted to start a collection I decided either video games or comics yet stayed away from comics because I am less familiar with them. In any case, I stopped by my local comic shop and picked up a few comics and a few trade paperbacks.  After reading them and understanding their basic flow I began to enjoy not only the stories but the art styles hiding behind those little white bubbles of text (well, they're USUALLY white).  My first stop at the comic store I ended up with: - Nemesis #1 (cover A) - Shuddertown #1 (cover A I think) - Daredevil: King of Hell's Kitchen Trade Paperback - Peter Parker: Spiderman - One Small Break Trade Paperback It took me about 3-4 days to read all of that including re-reading the single issues and glancing over the beginning of Daredevil again.  After a week of looking around online I knew a little more about the comics I wanted to pick up and the kind of art style I enjoyed.  While Peter Parker: Spiderman was ok, I really enjoyed the detailed, realistic look of Daredevil and Shuddertown. Now, a few years back I picked up the game The Darkness for PS3.  I knew it was based off a comic but never read the comic.  I decided I'd pick up a few issues of it and ended up with: - The Darkness #80 (cover A) - The Darkness #81 (cover A) - The Darkness #82 (cover A) - The Darkness #83 (cover A) - The Darkness Shadows and Flame #1  (one-shot; cover A) - The Darkness Origins: Volume 1 Trade Paperback (contains The Darkness #1-6) - New Age boards and bags for storing my comics The Darkness is relatively good though jumping from issue #6 to issue #80 I lost a bit on who the enemy in the current series is.  I think out of all of them, issue #83 was my favorite of them. I'm signed up at the local shop to continue getting Nemesis, The Darkness, and Shuddertown, and I'll probably pick up a few different ones this weekend...

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• List of bounding boxes?

  - by Christian Frantz

  When I create a bounding box for each object in my chunk, would it be better to store them in a list? List<BoundingBox> cubeBoundingBox Or can I just use a single variable? BoundingBox cubeBoundingBox The bounding boxes will be used for all types of things so they will be moving around. In any case, I'd be adding it to a method that gets called 2500+ times for each chunk, so either I have a giant list of them or 2500+ individual boxes. Is there any advantage to using one or the other?

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• Introducing Deep Fried Devcast

  - by Matt Christian

  I've been working on a new podcast for the game development community called the Deep Fried Devcast.  Currently we are in pre-production but should have some episodes up in the near future.  Here is a quick FAQ about the show: What is the Deep Fried Devcast? The Deep Fried Devcast is a bi-weekly show all about game development.  The show will feature developer interviews, a focus on the technical aspects of game development (programming, technical design), the business of team game development (time management, project management), and other areas focused around the actual development of games. Wait, no game design?  No game discussions?! Calm down, calm down.  Although the focus of the podcast is on the technical aspects of game dev, there will be episodes and content focused on all areas of the gaming industry, including discussion on design, story, recent game releases, games we've been playing, etc...  Anything could show up in the Deep Fried Devcast and nothing is off limits. How can I help? We're always looking for new content ideas, emails, and anything you want to send us (within some kind of reason!).  You can even be a guest host if you want!  Email us at: deepfrieddevcast [AT] gmail [DOT] com Where's the podcast?! We're still recording it!  Don't worry, it will be up soon.  Keep an eye on www.deepfrieddevcast.com for the latest updates (that will be up soon too!).

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• Game-a-Week One

  - by Matt Christian

  Anyone who chats with me on a semi-regular basis knows I am absolutely horrible at completing something from beginnning to end.  Often times I'll begin something, lose interest at some point, and end up moving onto the next thing.  For example, I have 1/2 a full game created, 1/3 of a novel written, and half of a model set created.  Needless to say, unless I have some sort of pressure to finish something I don't stick to it. Recently however one of my online buddies challenged me to create a simple game.  The start date was last Thursday and the final game needed to be delivered by this next Sunday (giving me just over a week).  However, I am going out of town this Friday so will need to deliver it by Thursday, giving me exactly 1 week to develop a game.  Here is what the game needed to include: The player should be able to shoot Shooting things should score points Sounds very simple, but given a single week to produce all art assets plus the game isn't an easy task.  So far I've developed: An animated Main Menu that loads via script files, allows the user to start a new game or exit the game The game is 3D and the player can move around the play area with an 'over-the-shoulder' camera HUD elements are drawn to display the player's current score When the player presses Esc they are shown a pause menu where they can resume the game by pressing Esc again, or quit the game by pressing Space There are also 2 items implemented that don't work perfectly: JigLibX physics library implementation On the main menu there is an arrow symbol that rotates to always point at your mouse I've got 2 days of development left so hopefully I can get collision working, some of the art cleaned up, and some more of the camera functionality working.  Also, I'll need to take some time to package the game up which hopefully shouldn't take too long.

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• Game-a-Week One Completed

  - by Matt Christian

  Last night I finished my Game-a-Week One and felt and extreme sense of accomplishment with what I finished in a single week. I removed all traces of the JigLibX code since it wasn't working properly due to my implementation and got my collision working thanks to some BoundingSpheres and Riemer's tutorials.  However, since the characters are Corndogs a rectangle bounding box would have made more sense although the bullets are only able to move forward currently. While developing it in a week was a challenge, developing it in a week while maintaining proper coding standards and clean, reusable code was damn near impossible.  It's possible my next step will be to either refactor it or move onto Game-a-Week Two. I will post a link to the game ZIP in the future.

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• ArchBeat Link-o-Rama for 2012-08-31

  - by Bob Rhubart

  SOA Suite 11g Asynchronous Testing with soapUI | Greg Mally Greg Mally walks you through testing asynchronous web services with the free edition of soapUI. The Role of Oracle VM Server for SPARC in a Virtualization Strategy | Matthias Pfutzner Matthias Pfutzner's overview of hardware and software virtualization basics, and the role that Oracle VM Server for SPARC plays in a virtualization strategy. Cloud Computing: Oracle RDS on AWS - Connecting with DB tools | Tom Laszewski Cloud expert and author Tom Laszewski shares brief comments about the tools he used to connect two Oracle RDS instances in AWS. Keystore Wallet File – cwallet.sso – Zum Teufel! | Christian Screen "One of the items that trips up a FMW implementation, if only for mere minutes, is the cwallet.sso file," says Oracle ACE Christian Screen. In this short post he offers information to help you avoid landing on your face. Thought for the Day "With good program architecture debugging is a breeze, because bugs will be where they should be." — David May Source: SoftwareQuotes.com

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• Frustum culling with third person camera

  - by Christian Frantz

  I have a third person camera that contains two matrices: view and projection, and two Vector3's: camPosition and camTarget. I've read up on frustum culling and it makes it seem easy enough for a first person camera, but how would I implement this for a third person camera? I need to take into effect the objects I can see behind me too. How would I implement this into my camera class so it runs at the same time as my update method? public void CameraUpdate(Matrix objectToFollow) { camPosition = objectToFollow.Translation + (objectToFollow.Backward *backward) + (objectToFollow.Up * up); camTarget = objectToFollow.Translation; view = Matrix.CreateLookAt(camPosition, camTarget, Vector3.Up); } Can I just create another method within the class which creates a bounding sphere with a value from my camera and then uses the culling based on that? And if so, which value am I using to create the bounding sphere from? After this is implemented, I'm planning on using occlusion culling for the faces of my objects adjacent to other objects. Will using just one or the other make a difference? Or will both of them be better? I'm trying to keep my framerate as high as possible

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• Programming language features that help to catch bugs early

  - by Christian Neumanns

  Do you know any programming language features that help to detect bugs early in the software development process - ideally at compile-time or else as early as possible at run-time? Examples of well-known and effective bug-reducing features are: Static typing and generic types: type incompatibility errors are detected by the compiler Design by Contract (TM), also called Contract Programming: invalid values are quickly detected at runtime (through preconditions, postconditions and class invariants) Unit testing I ask this question in the context of improving an object-oriented programming language (called Obix) which has been designed from the ground up to 'make it easy to quickly write reliable code'. Besides the features mentioned above this language also incorporates other Fail-fast features such as: Objects are immutable by default Void (null) values are not allowed by default The aim is to add more Fail-fast concepts to the language. If you know other features which help to write less error-prone code then please let us know. Thank you.

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• Game-a-Week 2 (The Sequel)

  - by Matt Christian

  After finishing Game-a-Week One I immediately wanted to go back and begin refactoring the code although I also wanted to work on a game demo idea I've had for quite awhile.  I tried doing both over the holiday weekend while up north (without internet!) and eventually hit a wall with an error. Today I am going to restart my refactoring and updates by starting Game-a-Week 2.  This challenge is to do the following: Refactor the old code Add a handful of new features to the demo This sounds simple enough but will be quite a challenge to finish in just around a week.  I have an idea on how I want to refactor the code, but the new features I'd like to implement will be tricky.  I'm going to try to implement: Quest giving / finishing / NPC's Quest Log Menu Inventory giving / receiving Inventory Menu This Game-a-Week is much more design oriented although will provide a good challenge for programming as well.  Wish me luck!

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• Actionscript 3.0 - Enemies do not move right in my platformer game

  - by Christian Basar

  I am making a side-scrolling platformer game in Flash (Actionscript 3.0). I have made lots of progress lately, but I have come across a new problem. I will give some background first. My game level's terrain (or 'floor') is referenced by a MovieClip variable called 'floor.' My desire is to have the Player and enemy characters walk along the terrain. I have gotten the Player character to move on the terrain just fine; he walks up/down hills and falls whenever there is no ground beneath him. Here is the code I created to allow the Player to follow the terrain correctly. Much more code is used to control the Player, but only this code deals with the Player character's following of the terrain and gravity. // If the Player's not on the ground (not touching the 'floor' MovieClip)... if (!onGround) { // Disable ducking downKeyPressed = false; // Increase the Player's 'y' position by his 'y' velocity player.y += playerYVel; } // Increase the 'playerYVel' variable so that the Player will fall // progressively faster down the screen. This code technically // runs "all the time" but in reality it only affects the player // when he's off the ground. playerYVel += gravity; // Give the Player a terminal velocity of 15 px/frame if (playerYVel > 15) { playerYVel = 15; } // If the Player has not hit the 'floor,' increase his falling //speed if (! floor.hitTestPoint(player.x, player.y, true)) { player.y += playerYVel; // The Player is not on the ground when he's not touching it onGround = false; } Since getting this code to work for the Player, I have created a 'SkullDemon' class, which is one of the planned enemies for my game. I want the 'SkullDemon' objects to move along the terrain like the Player does. With lots of great help, I have already coded the EventListeners, etc. necessary for the 'SkullDemons' to move. Unfortunately, I am having trouble getting them to move along the terrain. In fact, they do not touch the terrain at all; they move along the top of the boundary of the 'floor' MovieClip! I had a simple text diagram showing what I mean, but unfortunately Stackoverflow does not format it correctly. I hope my problem is clear from my description. Strangely enough, my code for the Player's movement and the 'SkullDemon's' movement is almost exactly the same, yet the 'SkullDemons' do not move like the Player does. Here is my code for the SkullDemon movement: // Move all of the Skull Demons using this method protected function moveSkullDemons():void { // Go through the whole 'skullDemonContainer' for (var skullDi:int = 0; skullDi < skullDemonContainer.numChildren; skullDi++) { // Set the SkullDemon 'instance' variable to equal the current SkullDemon skullDIns = SkullDemon(skullDemonContainer.getChildAt(skullDi)); // For now, just move the Skull Demons left at 5 units per second skullDIns.x -= 5; // If the Skull Demon has not hit the 'floor,' increase his falling //speed if (! floor.hitTestPoint(skullDIns.x, skullDIns.y, true)) { // Increase the Skull Demon's 'y' position by his 'y' velocity skullDIns.y += skullDIns.sdYVel; // The Skull Demon is not on the ground when he's not touching it skullDIns.sdOnGround = false; } // Increase the 'sdYVel' variable so that the Skull Demon will fall // progressively faster down the screen. This code technically // runs "all the time" but in reality it only affects the Skull Demon // when he's off the ground. if (! skullDIns.sdOnGround) { skullDIns.sdYVel += skullDIns.sdGravity; // Give the Skull Demon a terminal velocity of 15 px/frame if (skullDIns.sdYVel > 15) { skullDIns.sdYVel = 15; } } // What happens when the Skull Demon lands on the ground after a fall? // The Skull Demon is only on the ground ('onGround == true') when // the ground is touching the Skull Demon MovieClip's origin point, // which is at the Skull Demon's bottom centre for (var i:int = 0; i < 10; i++) { // The Skull Demon is only on the ground ('onGround == true') when // the ground is touching the Skull Demon MovieClip's origin point, // which is at the Skull Demon's bottom centre if (floor.hitTestPoint(skullDIns.x, skullDIns.y, true)) { skullDIns.y = skullDIns.y; // Set the Skull Demon's y-axis speed to 0 skullDIns.sdYVel = 0; // The Skull Demon is on the ground again skullDIns.sdOnGround = true; } } } } // End of 'moveSkullDemons()' function It is almost like the 'SkullDemons' are interacting with the 'floor' MovieClip using the hitTestObject() function, and not the hitTestPoint() function which is what I want, and which works for the Player character. I am confused about this problem and would appreciate any help you could give me. Thanks!

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• Google is not treating two Austrailian schools as separate sites when both are subdomains of qld.edu.au

  - by LuckySpoon

  My question relates to two websites, each of which is a "Calvary Christian College", however in two totally different locations and unrelated to each other entirely (except by name, and domain). All schools in the state are issued a .qld.edu.au, in this case calvary.qld.edu.au and calvarycc.qld.edu.au. Now what's interesting is that these domains are crossing each other in sitelinks for searches such as "calvary christian college townsville" (if you check the sitelinks 2/6 are to a different domain). I've put a demotion in for this ages ago (we control calvary.qld.edu.au), however we're seeing no change on the results page. I have been able to get the owners of calvarycc.qld.edu.au to submit demotions for our domain, which should go in sometime this week. What can we do to tell Google that these websites are not interchangeable, despite both appearing as "subdomains" of qld.edu.au. We can possibly open channels of communication with the administrators of qld.edu.au but will need to tell them what we need to change, and at this point I'm out of ideas.

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• Checking is sides of cubes are solid

  - by Christian Frantz

  In relation to this question: http://gamedev.stackexchange.com/a/28524/31664 And a question I asked earlier: Creating a DrawableGameComponent And also because my internet is too slow to get on chat. I'm wondering how to check if the sides of a cube are solid. I've created 12 methods, each one creating indices and vertices for sides of a cube. Now when I use these methods, the cube creates how it should. All 6 sides show up and its like I didnt change a thing. How can use if statements to check if the side of a cube is solid? The pseudocode from the question above shows this: if(!isSolidAt(x+1,y,z)) verticesToDraw += AddXPlusFace(x,y,z) But in my case is would be: if(!sideIsSolid) SetUpFrontFaceIndices(); My method simply takes these index and vertex values and adds them to a list indicesToDraw and verticesToDraw, as shown in the answer above

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