Search Results

Search found 38203 results on 1529 pages for 'library development'.

Page 532/1529 | < Previous Page | 528 529 530 531 532 533 534 535 536 537 538 539  | Next Page >

  • SpriteFont Exception, no such character?

    - by Michal Bozydar Pawlowski
    I have such spriteFont: <?xml version="1.0" encoding="utf-8"?> <!-- This file contains an xml description of a font, and will be read by the XNA Framework Content Pipeline. Follow the comments to customize the appearance of the font in your game, and to change the characters which are available to draw with. --> <XnaContent xmlns:Graphics="Microsoft.Xna.Framework.Content.Pipeline.Graphics"> <Asset Type="Graphics:FontDescription"> <!-- Modify this string to change the font that will be imported. --> <FontName>Segoe UI</FontName> <!-- Size is a float value, measured in points. Modify this value to change the size of the font. --> <Size>20</Size> <!-- Spacing is a float value, measured in pixels. Modify this value to change the amount of spacing in between characters. --> <Spacing>0</Spacing> <!-- UseKerning controls the layout of the font. If this value is true, kerning information will be used when placing characters. --> <UseKerning>true</UseKerning> <!-- Style controls the style of the font. Valid entries are "Regular", "Bold", "Italic", and "Bold, Italic", and are case sensitive. --> <Style>Regular</Style> <!-- If you uncomment this line, the default character will be substituted if you draw or measure text that contains characters which were not included in the font. --> <!-- <DefaultCharacter>*</DefaultCharacter> --> <!-- CharacterRegions control what letters are available in the font. Every character from Start to End will be built and made available for drawing. The default range is from 32, (ASCII space), to 126, ('~'), covering the basic Latin character set. The characters are ordered according to the Unicode standard. See the documentation for more information. --> <CharacterRegions> <CharacterRegion> <Start>&#09;</Start> <End>&#09;</End> </CharacterRegion> <CharacterRegion> <Start>&#32;</Start> <End>&#1200;</End> </CharacterRegion> </CharacterRegions> </Asset> </XnaContent> It has the character regions (32-1200) And I get this exception: A first chance exception of type 'System.ArgumentException' occurred in Microsoft.Xna.Framework.Graphics.ni.dll The character '?' (0x0441) is not available in this SpriteFont. If applicable, adjust the font's start and end CharacterRegions to include this character. Parameter name: character Why? I'm drawing the string like this: spriteBatch.DrawString(font24, zasadyText, zasadyTextPos, kolorCzcionki1, -0.05f, Vector2.Zero, 1.0f, SpriteEffects.None, 0.5f) I even changed the spriteFont to cyrillic: <CharacterRegions> <CharacterRegion> <Start>&#09;</Start> <End>&#09;</End> </CharacterRegion> <CharacterRegion> <Start>&#0032;</Start> <End>&#0383;</End> </CharacterRegion> <CharacterRegion> <Start>&#1040;</Start> <End>&#1111;</End> </CharacterRegion> </CharacterRegions> </Asset> </XnaContent> and it still doesn't work. I got the (0x441 = char) exception -- EDIT -- Ok, I got the solution. It was a letter mistake in language. I had this: if (jezyk == "ru_RU") { font14 = Content.Load<SpriteFont>("ru_font14"); font24 = Content.Load<SpriteFont>("ru_font24"); font12 = Content.Load<SpriteFont>("ru_czcionkaFloty"); font10 = Content.Load<SpriteFont>("ru_font10"); font28 = Content.Load<SpriteFont>("ru_font28"); font20 = Content.Load<SpriteFont>("ru_font20"); } else { font14 = Content.Load<SpriteFont>("font14"); font24 = Content.Load<SpriteFont>("font24"); font12 = Content.Load<SpriteFont>("czcionkaFloty"); font10 = Content.Load<SpriteFont>("font10"); font28 = Content.Load<SpriteFont>("font28"); font20 = Content.Load<SpriteFont>("font20"); } and there should be not "ru_RU" but "ru-RU" I have no idea. I changed the spriteFont to cyrillic: <CharacterRegions> <CharacterRegion> <Start>&#09;</Start> <End>&#09;</End> </CharacterRegion> <CharacterRegion> <Start>&#0032;</Start> <End>&#0383;</End> </CharacterRegion> <CharacterRegion> <Start>&#1040;</Start> <End>&#1111;</End> </CharacterRegion> </CharacterRegions> </Asset> </XnaContent> and it still doesn't work. I got the (0x441 = char) exception

    Read the article

  • MiniMax function throws null pointer exception

    - by Sven
    I'm working on a school project, I have to build a tic tac toe game with the AI based on the MiniMax algorithm. The two player mode works like it should. I followed the code example on http://ethangunderson.com/blog/minimax-algorithm-in-c/. The only thing is that I get a NullPointer Exception when I run the code. And I can't wrap my finger around it. I placed a comment in the code where the exception is thrown. The recursive call is returning a null pointer, what is very strange because it can't.. When I place a breakpoint on the null return with the help of a if statement, then I see that there ARE still 2 to 3 empty places.. I probably overlooking something. Hope someone can tell me what I'm doing wrong. Here is the MiniMax code (the tic tac toe code is not important): /* * To change this template, choose Tools | Templates * and open the template in the editor. */ package MiniMax; import Game.Block; import Game.Board; import java.util.ArrayList; public class MiniMax { public static Place getBestMove(Board gameBoard, Block.TYPE player) { Place bestPlace = null; ArrayList<Place> emptyPlaces = gameBoard.getEmptyPlaces(); Board newBoard; //loop trough all the empty places for(Place emptyPlace : emptyPlaces) { newBoard = gameBoard.clone(); newBoard.setBlock(emptyPlace.getRow(), emptyPlace.getCell(), player); //no game won and still room to move if(newBoard.getWinner() == Block.TYPE.NONE && newBoard.getEmptyPlaces().size() > 0) { //is an node (has children) Place tempPlace = getBestMove(newBoard, invertPlayer(player)); //ERROR is thrown here! tempPlace is null. emptyPlace.setScore(tempPlace.getScore()); } else { //is an leaf if(newBoard.getWinner() == Block.TYPE.NONE) { emptyPlace.setScore(0); } else if(newBoard.getWinner() == Block.TYPE.X) { emptyPlace.setScore(-1); } else if(newBoard.getWinner() == Block.TYPE.O) { emptyPlace.setScore(1); } //if this move is better then our prev move, take it! if((bestPlace == null) || (player == Block.TYPE.X && emptyPlace.getScore() < bestPlace.getScore()) || (player == Block.TYPE.O && emptyPlace.getScore() > bestPlace.getScore())) { bestPlace = emptyPlace; } } } //This should never be null, but it does.. return bestPlace; } private static Block.TYPE invertPlayer(Block.TYPE player) { if(player == Block.TYPE.X) { return Block.TYPE.O; } return Block.TYPE.X; } }

    Read the article

  • Why do meshes show up as bones in the Model class?

    - by Itamar Marom
    Right now I'm working on a 3D game and I've come across something very weird. When I created the model in Blender, I added an armature named "MyBone" to the stage and attached a cube ("MyCube") to it, so that when I move the armature, the cube moves with it. I exported this as an FBX and loaded it as a Model object. What I expected to see was: But what I got was this: I'm really confused. Why is the mesh I created showing up in the bone list? And what's Root Node? Here are the .blend and .fbx files: here or here. Thanks.

    Read the article

  • Can I run into legal issues with random names?

    - by Nathan Sabruka
    I'm currently building a game whose NPC's are going to be assigned a random gender and a random name for the right gender. To do this I will be using a "database" of names (actually a text file with tuples). There would also be a list of last names, which will be added to the first name also randomly. My question is the following. Suppose one such random name is "George Bush", and this person has been randomly assigned the job of president. As you can see, this could easily be seen as having been "copied" from a real-life person. The main issue is this. Names will be randomly-generated, yes, but the seed for random-number generation will be constant. In other words, the name of an NPC would be randomly-generated, i.e. I wouldn't choose it, but it would be the same for every player. Could this get me in trouble? We cannot verify all possible names, since the generated number of NPC's could be potentially limitless (new NPC's are being created whenever needed).

    Read the article

  • Game Sound Effects Availability

    - by Ben
    Is there a need in the community for affordable game-focused sound effect packs? I am considering putting together some effects specifically geared toward games and indie developers that desire to get a working prototype quickly off the ground. Is there a need for this, or is there another standard "go-to" spot for this kind of thing? I want to offer value to the community but wanted to assess the need first. If anyone has thoughts, insight, or personal opinions on this I would love to hear it!

    Read the article

  • How to choose cell to put entity in in an uniform grid used for broad phase collision detection?

    - by nathan
    I'm trying to implement the broad phase of my collision detection algorithm. My game is an arcade game with lot of moving entities in an open space with relatively equivalent sizes. Regarding the above specifications, i decided to use an uniform grid for space partitioning. The problem i have right know is how to efficiently choose in which cells an entity should be added. ATM i'm doing something like this: for (int x = 0; x < gridSize; x++) { for (int y = 0; y < gridSize; y++) { GridCell cell = grid[x][y]; cell.clear(); //remove the previously added entities for (int i = 0; i < entities.size(); i++) { Entity e = entities.get(i); if (cell.isEntityOverlap(e)) { cell.add(e); } } } } The isEntityOverlap is a simple method i added my GridCell class. public boolean isEntityOverlap(Shape s) { return cellArea.intersects(s); } Where cellArea is a Rectangle. cellArea = new Rectangle(x, y, CollisionGrid.CELL_SIZE, CollisionGrid.CELL_SIZE); It works but it's damn slow. What would be a fast way to know all the cells an entity overlaps? Note: by "it works" i mean, the entities are contained in the good cells over the time after movements etc.

    Read the article

  • Why does Unity3D crash in VirtualBox?

    - by FakeRainBrigand
    I'm running Unity3D in a virtual instance of Windows, using the Virtual Box software on Linux. I have guest additions installed with DirectX support. I've tried using Windows XP SP3 32-bit, and Windows 7 64bit. My host is Ubuntu 12.04 64bit. I installed and registered Unity on both. It loads up fine, and then crashes my entire VirtualBox instance (equivalent of a computer shutting off with no warning).

    Read the article

  • Is there a way to legally create a game mod?

    - by Rodrigo Guedes
    Some questions about it: If I create a funny version of a copyrighted game and sell it (crediting the original developers) would it be considered a parody or would I need to pay royalties? If I create a game mod for my own personal use would it be legal? What if I gave it for free to a friend? Is there a general rule about it or it depends on the developer will? P.S.: I'm not talking about cloning games like this question. It's all about a game clearly based on another. Something like "GTA Gotham City" ;) EDIT: This picture that I found over the internet illustrate what I'm talking about: Just in case I was not clear: I never created a mod game. I was just wondering if it would be legally possible before trying to do it. I'm not apologizing piracy. I pay dearly for my games (you guys have no idea how expensive games are in Brazil due to taxes). Once more I say that the question is not about cloning. Cloning is copy something and try to make your version look like a brand new product. Mods are intended to make reference to one or more of its source. I'm not sure if it can be done legally (if I knew I wasn't asking) but I'm sure this question is not a duplicate. Even so, I trust in the moderators and if they close my question I will not be offended - at least I had an opportunity to explain myself and got 1 good answer (by the time I write this, maybe some more will be given later).

    Read the article

  • New way of integrating Openfeint in Cocos2d-x 0.12.0

    - by Ef Es
    I am trying to implement OpenFeint for Android in my cocos2d-x project. My approach so far has been creating a button that calls a static java method in class Bridge using jnihelper functions (jnihelper only accepts statics). Bridge has one singleton attribute of type OFAndroid, that is the class dynamically calling the Openfeint Api methods, and every method in the bridge just forwards it to the OFAndroid object. What I am trying to do now is to initialize the openfeint libraries in the main java class that is the one calling the static C++ libraries. My problem right now is that the initializing function void com.openfeint.api.OpenFeint.initialize(Context ctx, OpenFeintSettings settings, OpenFeintDelegate delegate) is not accepting the context parameter that I am giving him, which is a "this" reference to the main class. Main class extends from Cocos2dxActivity but I don't have any other that extends from Application. Any suggestions on fixing it or how to improve the architecture? EDIT: I am trying a new solution. Make the bridge class into an Application child, is called from Main object, initializes OpenFeint when created and it can call the OpenFeint functions instead of needing an additional class. The problem is I still get the error. 03-30 14:39:22.661: E/AndroidRuntime(9029): Caused by: java.lang.NullPointerException 03-30 14:39:22.661: E/AndroidRuntime(9029): at android.content.ContextWrapper.getPackageManager(ContextWrapper.java:85) 03-30 14:39:22.661: E/AndroidRuntime(9029): at com.openfeint.internal.OpenFeintInternal.validateManifest(OpenFeintInternal.java:885) 03-30 14:39:22.661: E/AndroidRuntime(9029): at com.openfeint.internal.OpenFeintInternal.initializeWithoutLoggingIn(OpenFeintInternal.java:829) 03-30 14:39:22.661: E/AndroidRuntime(9029): at com.openfeint.internal.OpenFeintInternal.initialize(OpenFeintInternal.java:852) 03-30 14:39:22.661: E/AndroidRuntime(9029): at com.openfeint.api.OpenFeint.initialize(OpenFeint.java:47) 03-30 14:39:22.661: E/AndroidRuntime(9029): at nurogames.fastfish.NuroFeint.onCreate(NuroFeint.java:23) 03-30 14:39:22.661: E/AndroidRuntime(9029): at nurogames.fastfish.FastFish.onCreate(FastFish.java:47) 03-30 14:39:22.661: E/AndroidRuntime(9029): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1069) 03-30 14:39:22.661: E/AndroidRuntime(9029): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2751)

    Read the article

  • SlimDX Texture2D from DataRectangle array

    - by Rebekah Bryant
    I'm totally new to DirectX. I'm using SlimDX to create a texture consisting of 13046 DataRectangles. Here's my code. It's breaking on the Texture2D constructor with "E_INVALIDARG: An invalid parameter was passed to the returning function (-2147024809)." inParms is just a struct containing handle to a Panel. public Renderer(Parameters inParms, ref DataRectangle[] inShapes) { Texture2DDescription description = new Texture2DDescription() { Width = 500, Height = 500, MipLevels = 1, ArraySize = inShapes.Length, Format = Format.R32G32B32_Float, SampleDescription = new SampleDescription(1, 0), Usage = ResourceUsage.Default, BindFlags = BindFlags.RenderTarget | BindFlags.ShaderResource, CpuAccessFlags = CpuAccessFlags.None, OptionFlags = ResourceOptionFlags.None }; SwapChainDescription chainDescription = new SwapChainDescription() { BufferCount = 1, IsWindowed = true, Usage = Usage.RenderTargetOutput, ModeDescription = new ModeDescription(0, 0, new Rational(60, 1), Format.R8G8B8A8_UNorm), SampleDescription = new SampleDescription(1, 0), Flags = SwapChainFlags.None, OutputHandle = inParms.Handle, SwapEffect = SwapEffect.Discard }; Device.CreateWithSwapChain(DriverType.Hardware, DeviceCreationFlags.None, chainDescription, out mDevice, out mSwapChain); Texture2D texture = new Texture2D(Device, description, inShapes); } EDIT: Running with the Debug flag set, I got: D3D11 ERROR: ID3D11Device::CreateTexture2D: The format (0x6, R32G32B32_FLOAT) cannot be bound as a RenderTarget, or cast to a format that could be bound as a RenderTarget. This is because the current graphics implementation does not even support this Format. Therefore this format does not support D3D11_BIND_RENDER_TARGET. Use CheckFormatSupport to check Format support. [ STATE_CREATION ERROR #92: CREATETEXTURE2D_UNSUPPORTEDFORMAT] D3D11 ERROR: ID3D11Device::CreateTexture2D: Returning E_INVALIDARG, meaning invalid parameters were passed. [ STATE_CREATION ERROR #104: CREATETEXTURE2D_INVALIDARG_RETURN]

    Read the article

  • problem adding bumpmap to textured gluSphere in JOGL

    - by ChocoMan
    I currently have one texture on a gluSphere that represents the Earth being displayed perfectly, but having trouble figuring out how to implement a bumpmap as well. The bumpmap resides in "res/planet/earth/earthbump1k.jpg".Here is the code I have for the regular texture: gl.glTranslatef(xPath, 0, yPath + zPos); gl.glColor3f(1.0f, 1.0f, 1.0f); // base color for earth earthGluSphere = glu.gluNewQuadric(); colorTexture.enable(); // enable texture colorTexture.bind(); // bind texture // draw sphere... glu.gluDeleteQuadric(earthGluSphere); colorTexture.disable(); // texturing public void loadPlanetTexture(GL2 gl) { InputStream colorMap = null; try { colorMap = new FileInputStream("res/planet/earth/earthmap1k.jpg"); TextureData data = TextureIO.newTextureData(colorMap, false, null); colorTexture = TextureIO.newTexture(data); colorTexture.getImageTexCoords(); colorTexture.setTexParameteri(GL2.GL_TEXTURE_MAG_FILTER, GL2.GL_LINEAR); colorTexture.setTexParameteri(GL2.GL_TEXTURE_MIN_FILTER, GL2.GL_NEAREST); colorMap.close(); } catch(IOException e) { e.printStackTrace(); System.exit(1); } // Set material properties gl.glTexParameteri(GL2.GL_TEXTURE_2D, GL2.GL_TEXTURE_MAG_FILTER, GL2.GL_LINEAR); gl.glTexParameteri(GL2.GL_TEXTURE_2D, GL2.GL_TEXTURE_MIN_FILTER, GL2.GL_NEAREST); colorTexture.setTexParameteri(GL2.GL_TEXTURE_2D, GL2.GL_TEXTURE_WRAP_S); colorTexture.setTexParameteri(GL2.GL_TEXTURE_2D, GL2.GL_TEXTURE_WRAP_T); } How would I add the bumpmap as well to the same gluSphere?

    Read the article

  • Strange rendering in XNA/Monogame

    - by Gerhman
    I am trying to render G-Code generated for a 3d-printer as the printed product by reading the file as line segments and the drawing cylinders with the diameter of the filament around the segment. I think I have managed to do this part right because the vertex I am sending to the graphics device appear to have been processed correctly. My problem I think lies somewhere in the rendering. What basically happens is that when I start rotating my model in the X or Y axis then it renders perfectly for half of the rotation but then for the other half it has this weird effect where you start seeing through the outer filament into some of the shapes inside. This effect is the strongest with X rotations though. Here is a picture of the part of the rotation that looks correct: And here is one that looks horrible: I am still quite new to XNA and/Monogame and 3d programming as a whole. I have no idea what could possibly be causing this and even less of an idea of what this type of behavior is called. I am guessing this has something to do with rendering so have added the code for that part: protected override void Draw(GameTime gameTime) { GraphicsDevice.Clear(Color.Black); basicEffect.World = world; basicEffect.View = view; basicEffect.Projection = projection; basicEffect.VertexColorEnabled = true; basicEffect.EnableDefaultLighting(); GraphicsDevice.SetVertexBuffer(vertexBuffer); RasterizerState rasterizerState = new RasterizerState(); rasterizerState.CullMode = CullMode.CullClockwiseFace; rasterizerState.ScissorTestEnable = true; GraphicsDevice.RasterizerState = rasterizerState; foreach (EffectPass pass in basicEffect.CurrentTechnique.Passes) { pass.Apply(); GraphicsDevice.DrawPrimitives(PrimitiveType.TriangleList, 0, vertexBuffer.VertexCount); } base.Draw(gameTime); } I don't know if it could be because I am shading something that does not really have a texture. I am using this custom vertex declaration I found on some tutorial that allows me to store a vertex with a position, color and normal: public struct VertexPositionColorNormal { public Vector3 Position; public Color Color; public Vector3 Normal; public readonly static VertexDeclaration VertexDeclaration = new VertexDeclaration ( new VertexElement(0, VertexElementFormat.Vector3, VertexElementUsage.Position, 0), new VertexElement(sizeof(float) * 3, VertexElementFormat.Color, VertexElementUsage.Color, 0), new VertexElement(sizeof(float) * 3 + 4, VertexElementFormat.Vector3, VertexElementUsage.Normal, 0) ); } If any of you have ever seen this type of thing please help. Also, if you think that the problem might lay somewhere else in my code then please just request what part you would like to see in the comments section.

    Read the article

  • Game editor integration with the engine?

    - by Daniel
    What I am trying to figure out is what is the best way to integrate the editor(level, effects, model, etc...) in the most effective way? Now the first thing I thought would be to create the game engine(*) extremely modular. For example I took the example of game states. You could have multiple game states that all have their own update() and draw() methods among others. Each game state class would inherit from a base GameState class. This allows for a more modular approach and a useful one at that. Now would the most efficient approach be to implement the editor along with the modular engine, or create two different designs for both the game, and editor? I thought to take the game state example and extend it to window states, and well could be used for a lot more systems. Is there a better implementation of this design(game state) for use in other systems used in the engine? *: Now I know the term game engine is sorta irrelevant, and misused in many situations. What I am referring to as the "game engine" is the combination of the systems that the game must interact with for short. Also this is more of a theory / design question than an implementation. Even though both mix, i'd rather like to have a more general idea on how the editor is built in an efficient way and still using the same engine code as what the game uses. Thanks, Daniel P.S If you need more clarification or extra bits just leave a comment.

    Read the article

  • Compiling and linking libcurl to create a stand alone dll

    - by Haraldo
    Hi, I've managed to compile a dll with the necessary linked libraries (*.lib) and with CURL_STATICLIB set in the preprocessor section among other settings. I'm using "libcurl-7.19.3-win32-ssl-msvc.zip" package and compiling with VS 2008 express. This has been the first version I managed to get compiled properly with no link issues etc. The problem I have now is that my dll needs libcurl.dll to function and this is not ok. My dll needs to be independent. I have no idea how to implement this. I've taken all day just to get what I've got compiled. I've got runtime library set to Multi threaded dll (debug/release) respectively under C/C++ - code generation. I've a number of preprocessor set - CURL_STATICLIB being one of them. Configuration Type is set to Dynamic Library Use of MFC is set to Use MFC in a static library Additional Library Directories is set to the lib folders (debug/release) respectively. I've noticed there is a curllib_static.lib file which I've tried instead of curllib.lib as an additional dependency but it only compiles with the later. This is driving me nuts! So I guess I need some guidance as to how to make my dll completely static so it doesn't have any dependencies. I notice my dll is currently dependent on: CURLLIB.DLL MSVCR90D.DLL As I'm pretty new to C++ it could be a setting I'm missing in VS 2008 but I'm not sure. One person said I should be using a static library with *.a files (libcurl.a) etc but when I do this I get link errors which I haven't been able to resolve. Any guidance here would be much appreciated.

    Read the article

  • Fair dice over network w/o trusted 3rd party

    - by Kay
    Though it should be a pretty basic problem, I did not find a solution for it: How to play dice over a network without a trusted third party? The M players shall roll N dice, one player after another. No player may "cheat", i.e. change the outcome to his advantage, or "look into the future" before the next roll. Is that possible? I guess the solution would be something like public key crypto, where each player turns in an encrypted message. After all messages were collected you exchange the keys to decode the messages. Then the sha1(joined string of all decrypted messages) mod 6 + 1 is used to determine the die. The major problem I have: since the message [c/s]hould be anything, I don't know how to prevent tampering with the private keys. Esp. the last player to turn in his key could easily cheat (I guess). The game should even stay fair, if all players "conspire" against one player.

    Read the article

  • How can I test if my rotated rectangle intersects a corner?

    - by Raven Dreamer
    I have a square, tile-based collision map. To check if one of my (square) entities is colliding, I get the vertices of the 4 corners, and test those 4 points against my collision map. If none of those points are intersecting, I know I'm good to move to the new position. I'd like to allow entities to rotate. I can still calculate the 4 corners of the square, but once you factor in rotation, those 4 corners alone don't seem to be enough information to determine if the entity is trying to move to a valid state. For example: In the picture below, black is unwalkable terrain, and red is the player's hitbox. The left scenario is allowed because the 4 corners of the red square are not in the black terrain. The right scenario would also be (incorrectly) allowed, because the player, cleverly turned at a 45* angle, has its corners in valid spaces, even if it is (quite literally) cutting the corner. How can I detect scenarios similar to the situation on the right?

    Read the article

  • My grid based collision detection is slow

    - by Fibericon
    Something about my implementation of a basic 2x4 grid for collision detection is slow - so slow in fact, that it's actually faster to simply check every bullet from every enemy to see if the BoundingSphere intersects with that of my ship. It becomes noticeably slow when I have approximately 1000 bullets on the screen (36 enemies shooting 3 bullets every .5 seconds). By commenting it out bit by bit, I've determined that the code used to add them to the grid is what's slowest. Here's how I add them to the grid: for (int i = 0; i < enemy[x].gun.NumBullets; i++) { if (enemy[x].gun.bulletList[i].isActive) { enemy[x].gun.bulletList[i].Update(timeDelta); int bulletPosition = 0; if (enemy[x].gun.bulletList[i].position.Y < 0) { bulletPosition = (int)Math.Floor((enemy[x].gun.bulletList[i].position.X + 900) / 450); } else { bulletPosition = (int)Math.Floor((enemy[x].gun.bulletList[i].position.X + 900) / 450) + 4; } GridItem bulletItem = new GridItem(); bulletItem.index = i; bulletItem.type = 5; bulletItem.parentIndex = x; if (bulletPosition > -1 && bulletPosition < 8) { if (!grid[bulletPosition].Contains(bulletItem)) { for (int j = 0; j < grid.Length; j++) { grid[j].Remove(bulletItem); } grid[bulletPosition].Add(bulletItem); } } } } And here's how I check if it collides with the ship: if (ship.isActive && !ship.invincible) { BoundingSphere shipSphere = new BoundingSphere( ship.Position, ship.Model.Meshes[0].BoundingSphere.Radius * 9.0f); for (int i = 0; i < grid.Length; i++) { if (grid[i].Contains(shipItem)) { for (int j = 0; j < grid[i].Count; j++) { //Other collision types omitted else if (grid[i][j].type == 5) { if (enemy[grid[i][j].parentIndex].gun.bulletList[grid[i][j].index].isActive) { BoundingSphere bulletSphere = new BoundingSphere(enemy[grid[i][j].parentIndex].gun.bulletList[grid[i][j].index].position, enemy[grid[i][j].parentIndex].gun.bulletModel.Meshes[0].BoundingSphere.Radius); if (shipSphere.Intersects(bulletSphere)) { ship.health -= enemy[grid[i][j].parentIndex].gun.damage; enemy[grid[i][j].parentIndex].gun.bulletList[grid[i][j].index].isActive = false; grid[i].RemoveAt(j); break; //no need to check other bullets } } else { grid[i].RemoveAt(j); } } What am I doing wrong here? I thought a grid implementation would be faster than checking each one.

    Read the article

  • Understanding how to create/use textures for games when limited by power of two sizes

    - by Matthias Reisner
    I have some questions about the creating graphics for a game. As an example. I want to create a motorbike. (1pixel = 1centimeter) So my motorbike will have 200 width and 150 height. (200x150) But the libgdx only allows to load sizes with the power of 2?! (2,4,8,16,...) First I thought about that way. I will create my bike with the size (200x150) and save it as png. Than I will open it again (e.g. with gimp) resize the image to a size which uses values with power of 2 (128x128). I will load that as texture in the programm and set width as 200 and height as 150. But wouldn't it be a problem? Because I will lose some pixel information when I make the first conversation.?! Isn't it?

    Read the article

  • Game World Design [on hold]

    - by GameDev
    I have one doubt about world game developing. I want to do a kind of platform game mixed with RPG (Side Scroll). What's the best to draw the world, - Draw everything than use the camera to move around the world - Draw just what you see as the player moves draw the new stuff. I'm new at this and didn't had any course for it. So if anyone can help me thanks :) PS: Any recommendation to learning game concept, like drawing world theory, play etc.. (not code and i want to 2D and i only see books for 3D stuff)

    Read the article

  • Why is GL_TEXTURE_MAX_ANISOTROPY_EXT undefined?

    - by Haydn
    So I'm writing my texture class in my opengl game, I get to the part where I would normally set GL_TEXTURE_MAX_ANISOTROPY_EXT, and I'm shocked to discover that it's undefined! This exact same extensions worked perfectly in a different application, so I know it's not a typo or something. It's worth noting that I'm getting my extensions using glcorearb.h, instead of glext.h, because I have no intention of supporting the compatibility profile. Could this be my problem, and if so, how do I work around it?

    Read the article

  • Unity: parallel vectors and cross product, how to compare vectors

    - by Heisenbug
    I read this post explaining a method to understand if the angle between 2 given vectors and the normal to the plane described by them, is clockwise or anticlockwise: public static AngleDir GetAngleDirection(Vector3 beginDir, Vector3 endDir, Vector3 upDir) { Vector3 cross = Vector3.Cross(beginDir, endDir); float dot = Vector3.Dot(cross, upDir); if (dot > 0.0f) return AngleDir.CLOCK; else if (dot < 0.0f) return AngleDir.ANTICLOCK; return AngleDir.PARALLEL; } After having used it a little bit, I think it's wrong. If I supply the same vector as input (beginDir equal to endDir), the cross product is zero, but the dot product is a little bit more than zero. I think that to fix that I can simply check if the cross product is zero, means that the 2 vectors are parallel, but my code doesn't work. I tried the following solution: Vector3 cross = Vector3.Cross(beginDir, endDir); if (cross == Vector.zero) return AngleDir.PARALLEL; And it doesn't work because comparison between Vector.zero and cross is always different from zero (even if cross is actually [0.0f, 0.0f, 0.0f]). I tried also this: Vector3 cross = Vector3.Cross(beginDir, endDir); if (cross.magnitude == 0.0f) return AngleDir.PARALLEL; it also fails because magnitude is slightly more than zero. So my question is: given 2 Vector3 in Unity, how to compare them? I need the elegant equivalent version of this: if (beginDir.x == endDir.x && beginDir.y == endDir.y && beginDir.z == endDir.z) return true;

    Read the article

  • What are the maths behind 'Raiden 2' purple laser?

    - by Aybe
    The path of the laser is affected by user input and enemies present on the screen. Here is a video, at 5:00 minutes the laser in question is shown : Raiden II (PS) - 1 Loop Clear - Part 2 UPDATE Here is a test using Inkscape, ship is at bottom, the first 4 enemies are targeted by the plasma. There seems to be a sort of pattern. I moved the ship first, then the handle from it to form a 45° angle, then while trying to fit the curve I found a pattern of parallel handles and continued so until I reached the last enemy. Update, 5/26/2012 : I started an XNA project using beziers, there is still some work needed, will update the question next week. Stay tuned ! Update : 5/30/2012 : It really seems that they are using Bézier curves, I think I will be able to replicate/imitate a plasma of such grade. There are two new topics I discovered since last time : Arc length, Runge's phenomenon, first one should help in having a linear movement possible over a Bézier curve, second should help in optimizing the number of vertices. Next time I will put a video so you can see the progress 8-)

    Read the article

  • Why does the location of my vehicle spawner change when I open a matinee?

    - by Gareth Jones
    I'm doing work with InterActors and vehicle spawners in Unreal Tournament 3's editor, and have it set up like so: (The Walkway its on is the InterActor) However if I go in Kemsit and open the matinee that handles the InterActor, this happens: It does look to me like the editor is moving it out of the way so I can see the InterActor (which would be very clever) because only the image of the vehicle moves, not the gizmo, nor does the vehicle spawn in that location in game. Is this the case?

    Read the article

  • How should I do 3D games through Java on a mac?

    - by Steven Rogers
    I have been self-teaching myself Java on the mac mostly because the language is cross-platform. Recently, I have been only able to develop 2D games using the Graphics2D class. Now, I want to learn how to make 3D games in Java. I used to model and animate stuff in 3D, so my knowledge of 3-Dimensional stuff is okay. I have spent the last 3 hours using google to look up ways of making 3D games in java. Apparently the best one to use is OpenGL, so i looked up a tutorial on it and i cannot find a tutorial that shows how to (if there is a way) install JOGL on the Mac platform. Should i continue to use Java? How can i make 3D games using Java? What is the best way to make 3D games on a mac?

    Read the article

  • Should NPC dialog be stored in XML or in a script?

    - by Andrea Tucci
    I'm developing an action RPG with some friends. I would like to know the differences and pros/cons of making NPC's dialogue using a file in XMLformat instead of using a script. I see that script method is often used by game developers for NPC text, but is it better then a XML file? We've thought that a XML file with tags like <FirstText>[text1]<SecondText>[text2] et cetera is perfect for NPC text and also for possible quests to give the player. So what are the differences between this two methods? Is a script suitable for this aim?

    Read the article

< Previous Page | 528 529 530 531 532 533 534 535 536 537 538 539  | Next Page >