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  • Ways to earn money through Flash games

    - by Maged
    If you like developing flash games just for fun, why not make money through them? There are different ways you can monetize your flash game: In Game Ads: Some common examples: Mochi Ads gamejacket ad4game CPMStar InviziAds You can make money by helping online gaming companies test and evaluate new games. Many of those companies are seeking feedback and reviews of their newest games. Find a sponsor and license your game. One of the quickest yet hardest ways to make money from the flash games you create is to find a website who is willing to sponsor them. With a single sponsorship, an individual can make anywhere from $1000-$7000 for a game. What are the best ads from these sites? If the game will be in social websites like Facebook and MySpace, will it still be useful to try other sites? Are there any other ways to earn money from a Flash game?

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  • Why use 3d matrix and camera in 2D world for 2d geometric figures?

    - by Navy Seal
    I'm working in XNA on a 2d isometric world/game and I'm using DrawUserPrimitives to draw some geometric figures... I saw some tutorials about creating dynamic shadows but I didn't understood why they use a "3d" matrix to control the transformations since the figure I'm drawing is in 2d perspective. I know I'm drawing a 2d figure in 3d but I still can't understand if I really need to work with the matrix. Is there any advantage in using a 3d Matrix to control camera and view? Any reason why I can't just update my vertex's positions by using a regular method since the view is always the same... And since I want to work only with single figures, won't this cause all the geometric figures have the same transformations simultaneously? To understand better what I mean here's a video http://www.youtube.com/watch?v=LjvsGHXaGEA&feature=player_embedded

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  • Why aren't tangent space normal maps completely blue?

    - by seahorse
    Why aren't normal maps just blue? I would think that normal maps should be predominantly blue in color because the Z component of the normal is represented by blue. Normals point out of the surface in the Z direction so we should see blue as the predominant colour since the Z component is dominant. By definition tangent space is perpendicular to the surface. At any point we should have the normal always pointing in the Z (blue direction) with no X (red direction) or Y (green direction). Thus the normal map (since it is a "normal map") should have the colour of the normals which is just blue (R = x = 0, G = y = 0, B = z = 1) with no shades in between. But normal maps are not so, and they have gradients of shades in them. Why is this so?

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  • How do you calculate UVW coordinates?

    - by Jenko
    I'm working on a 3d engine and I'm calculating UVT coordinates, where U and V represent pixels on the texture measured in 0-1, and T is: T = perspective / Z But I'm trying to use this perspective-correct triangle rasteriser, which requires a W, per vertex. How do I calculate the W for each vertex for the drawPerspectiveTexturedPolygon() function? Hint: The code comments refer to W as the "homogenous coordinate" ... does that mean anything?

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  • How do I efficiently code both the client and server at the same time?

    - by liamzebedee
    I'm coding my game using a client-server model. When playing on singleplayer, the game starts a local server, and interacts with it just like a remote server (multiplayer). I have done this to avoid coding separate singleplayer and multiplayer code. I have just started coding and have encountered a major problem. Currently I'm developing the game in Eclipse, having all the game classes organized into packages. Then, in my server code, I just use all the classes in the client packages. The problem is, these client classes have variables that are specific to rendering, which obviously wouldn't be performed on a server. Should I create modified versions of the client classes to use in the server? Or should I just modify the client classes with a boolean, to indicate if its the client/server using it. Are there any other options I have? I just had a thought about maybe using the server class as the core class, then extending it with rendering stuff?

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  • Migration from XNA to SharpDX

    - by Wouter
    My fear is that XNA has reached the end of the road. To keep up with the latest technology a shift to another game framework might be needed. We have many games in a large codebase, all based on XNA. My question is, how much work would it be to migrate to SharpDX and are there other possibilities? Our code base mainly uses basic 3D rendering and the SpriteBatch, no fancy shader stuff. Update: I should have mentioned we only use 2.5D, we have a simple engine that builds textured quads to render text and animated sprites. Also for sound we use XACT (what else..) with some effects.

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  • How Do I Search For Struct Items In A Vector? [migrated]

    - by Vladimir Marenus
    I'm attempting to create an inventory system using a vector implementation, but I seem to be having some troubles. I'm running into issues using a struct I made. NOTE: This isn't actually in a game code, this is a separate Solution I am using to test my knowledge of vectors and structs! struct aItem { string itemName; int damage; }; int main() { aItem healingPotion; healingPotion.itemName = "Healing Potion"; healingPotion.damage= 6; aItem fireballPotion; fireballPotion.itemName = "Potion of Fiery Balls"; fireballPotion.damage = -2; vector<aItem> inventory; inventory.push_back(healingPotion); inventory.push_back(healingPotion); inventory.push_back(healingPotion); inventory.push_back(fireballPotion); if(find(inventory.begin(), inventory.end(), fireballPotion) != inventory.end()) { cout << "Found"; } system("PAUSE"); return 0; } The preceeding code gives me the following error: 1c:\program files (x86)\microsoft visual studio 11.0\vc\include\xutility(3186): error C2678: binary '==' : no operator found which takes a left-hand operand of type 'aItem' (or there is no acceptable conversion) There is more to the error, if you need it please let me know. I bet it's something small and silly, but I've been thumping at it for over two hours. Thanks in advance!

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  • Unity3d vector and matrix operations

    - by brandon
    I have the following three vectors: posA: (1,2,3) normal: (0,1,0) offset: (2,3,1) I want to get the vector representing the position which is offset in the direction of the normal from posA. I know how to do this by cheating (not using matrix operations): Vector3 result = new Vector3(posA.x + normal.x*offset.x posA.y + normal.y*offset.y, posA.z + normal.z*offset.z); I know how to do this mathematically Note: [] indicates a column vector, {} indicates a row vector result = [1,2,3] + {2,3,1}*{[0,0,0],[0,1,0],[0,0,0]} What I don't know is which is better to use and if it's the latter how do I do this in unity? I only know of 4x4 matrices in unity. I don't like the first option because you are instantiating a new vector instead of just modifying the original. Suggestions? Note: by asking which is better, I am asking for a quantifiable reason, not just a preference.

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  • Island Generation Library

    - by thatguy
    Can anyone recommend a tile map generator (written in Java is a plus), where one can control some land types? For example: islands, large continents, singe large continent, archipelago, etc. I've been reading through many posts on the subject, it almost seems like many are just rolling their own. Before creating my own, I'm wondering if there's already an open source implementation that I might not be finding. If not, it seems like using Perlin Noise is a popular choice. Some articles I've been reading: http://simblob.blogspot.com/2010/01/simple-map-generation.html Generate islands/continents with simplex noise https://sites.google.com/site/minecraftlandgenerator/

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  • Tools for assembling textures into DDS files

    - by Nicol Bolas
    There are plenty of tools for making images. I'm not looking for one of those; I have many tools for creating an image. I've got tools for compressing images, generating mipmaps, and even for poking at their basic data format. My issue is with texture assembly. DDS files support cubemaps, array textures, and even cubemap arrays. But I don't know of a tool that can pack a series of images into a cubemap or the like. What tools are available for doing this kind of thing?

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  • (Quaternion based) Trouble moving foward based on model rotation

    - by ChocoMan
    Using quaternions, I'm having trouble moving my model in its facing direction. Currently the model moves can move in all cardinal directions with no problems. The problem comes when I rotate the move as it still travelling in the direction of world space. Meaning, if I'm moving forward, backward or any other direction while rotating the model, the model acts like its a figure skater spinning while traveling in the same direction. How do I update the direction of travel proper with the facing direction of the model? Rotates model on Y-axis: Yaw = pController.ThumbSticks.Right.X * MathHelper.ToRadians(speedAngleMAX); AddRotation = Quaternion.CreateFromYawPitchRoll(yaw, 0, 0); ModelLoad.MRotation *= AddRotation; MOrientation = Matrix.CreateFromQuaternion(ModelLoad.MRotation); Moves model forward: // Move Forward if (pController.IsButtonDown(Buttons.LeftThumbstickUp)) { SpeedX = (float)(Math.Sin(ModelLoad.ModelRotation)) * FWDSpeedMax * pController.ThumbSticks.Left.Y * (float)gameTime.ElapsedGameTime.TotalSeconds; SpeedZ = (float)(Math.Cos(ModelLoad.ModelRotation)) * FWDSpeedMax * pController.ThumbSticks.Left.Y * (float)gameTime.ElapsedGameTime.TotalSeconds; // Update model position ModelLoad._modelPos += Vector3.Forward * SpeedZ; ModelLoad._modelPos += Vector3.Left * SpeedX; }

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  • Cannot compute wNear and wFar from projection matrix

    - by DeadMG
    I've got the following error from Direct3D when attempting to render in 3D: Direct3D9: (WARN) :Cannot compute WNear and WFar from the supplied projection matrix Direct3D9: (WARN) :Setting wNear to 0.0 and wFar to 1.0 My projection matrix is as follows: D3DXMatrixPerspectiveFovLH( &Projection, D3DXToRadian(90), (float)GetDimensions().x / (float)GetDimensions().y, NearPlane, FarPlane ); D3DCALL(device->SetTransform( D3DTS_PROJECTION, &Projection )); The NearPlane is 0.1f, the FarPlane is 40.0f, and the dimensions are 1920x1018. This code was working earlier but I appear to have broken it, and I'm not sure where the fault is. Previously I've only encountered it if NearPlane was 0, and Google hasn't suggested any other causes either. Any suggestions?

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  • How to change the sprite colors

    - by Mr_Qqn
    In my rhythm game, I have a note object which can be of different colors depending on the note chart. I could use a sprite sheet with all the different color variations I use, but I would prefer to parametrize this. (For information, a note sprite is compound with one main color, for example a red note has only red, light red and dark red.) So, how to change the colors of a sprite basing on a new color ? I'm working with opengl, but any algorithm or math explanation will do. :) Thanks

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  • First Person Camera strafing at angle

    - by Linkandzelda
    I have a simple camera class working in directx 11 allowing moving forward and rotating left and right. I'm trying to implement strafing into it but having some problems. The strafing works when there's no camera rotation, so when the camera starts at 0, 0, 0. But after rotating the camera in either direction it seems to strafe at an angle or inverted or just some odd stuff. Here is a video uploaded to Dropbox showing this behavior. https://dl.dropboxusercontent.com/u/2873587/IncorrectStrafing.mp4 And here is my camera class. I have a hunch that it's related to the calculation for camera position. I tried various different calculations in strafe and they all seem to follow the same pattern and same behavior. Also the m_camera_rotation represents the Y rotation, as pitching isn't implemented yet. #include "camera.h" camera::camera(float x, float y, float z, float initial_rotation) { m_x = x; m_y = y; m_z = z; m_camera_rotation = initial_rotation; updateDXZ(); } camera::~camera(void) { } void camera::updateDXZ() { m_dx = sin(m_camera_rotation * (XM_PI/180.0)); m_dz = cos(m_camera_rotation * (XM_PI/180.0)); } void camera::Rotate(float amount) { m_camera_rotation += amount; updateDXZ(); } void camera::Forward(float step) { m_x += step * m_dx; m_z += step * m_dz; } void camera::strafe(float amount) { float yaw = (XM_PI/180.0) * m_camera_rotation; m_x += cosf( yaw ) * amount; m_z += sinf( yaw ) * amount; } XMMATRIX camera::getViewMatrix() { updatePosition(); return XMMatrixLookAtLH(m_position, m_lookat, m_up); } void camera::updatePosition() { m_position = XMVectorSet(m_x, m_y, m_z, 0.0); m_lookat = XMVectorSet(m_x + m_dx, m_y, m_z + m_dz, 0.0); m_up = XMVectorSet(0.0, 1.0, 0.0, 0.0); }

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  • libgdx intersection problem between rectangle and circle

    - by Chris
    My collision detection in libgdx is somehow buggy. player.png is 20*80px and ball.png 25*25px. Code: @Override public void create() { // ... batch = new SpriteBatch(); playerTex = new Texture(Gdx.files.internal("data/player.png")); ballTex = new Texture(Gdx.files.internal("data/ball.png")); player = new Rectangle(); player.width = 20; player.height = 80; player.x = Gdx.graphics.getWidth() - player.width - 10; player.y = 300; ball = new Circle(); ball.x = Gdx.graphics.getWidth() / 2; ball.y = Gdx.graphics.getHeight() / 2; ball.radius = ballTex.getWidth() / 2; } @Override public void render() { Gdx.gl.glClearColor(1, 1, 1, 1); Gdx.gl.glClear(GL10.GL_COLOR_BUFFER_BIT); camera.update(); // draw player, ball batch.setProjectionMatrix(camera.combined); batch.begin(); batch.draw(ballTex, ball.x, ball.y); batch.draw(playerTex, player.x, player.y); batch.end(); // update player position if(Gdx.input.isKeyPressed(Keys.DOWN)) player.y -= 250 * Gdx.graphics.getDeltaTime(); if(Gdx.input.isKeyPressed(Keys.UP)) player.y += 250 * Gdx.graphics.getDeltaTime(); if(Gdx.input.isKeyPressed(Keys.LEFT)) player.x -= 250 * Gdx.graphics.getDeltaTime(); if(Gdx.input.isKeyPressed(Keys.RIGHT)) player.x += 250 * Gdx.graphics.getDeltaTime(); // don't let the player leave the field if(player.y < 0) player.y = 0; if(player.y > 600 - 80) player.y = 600 - 80; // check collision if (Intersector.overlaps(ball, player)) Gdx.app.log("overlaps", "yes"); }

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  • What makes game sound effects "good"?

    - by you786
    I'm making a small game, and I've found some free sound effects that I'd like to use. The issue is that I can't get the sound effects to sound like they "belong" in my game. I don't know what to look for that can make sound effects match the rest of my game style. I have some ideas on what affects the meshing of audio with graphics. For example, I have a feeling that the current SFX I may be too "realistic" for my graphical style, which is pretty cartoon-like. Also, is there a golden standard for what volume various SFX should be at? (for example, I am thinking that footsteps or other common sounds should be at barely audible volumes, while enemy deaths or something that is a "big deal" should be louder). I found a similar question about graphics, I'm looking for a similar response with sound effects.

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  • Should I continue reading Frank Luna's Introduction to 3D Game Programming with DirectX 11 book after D3DX and XNA Math Library have been deprecated? [on hold]

    - by milindsrivastava1997
    I recently started learning DirectX 11 (C++) by reading Frank Luna's Introduction to 3D Game Programming with DirectX 11. In that the author uses D3DX and XNA Math Library. Since they have been deprecated should I continue using that book? If yes, should I use the deprecated libraries or should I switch some other libraries? If no, which book should I consult for up-to-date content with no use of deprecated library? Thanks!

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  • libgdx game not disposing

    - by Yesh
    My game does not exit entirely even after calling dispose() method. It loads a black screen when I launch it for the second time and works well if I kill the game manually and restart it. I get an error that says buffer not allocated with newUnsafeByteBuffer or already disposed when I try to dispose off the SpriteBatch object. This is were I suspect the problem to be. But not able to fix it entirely. Please help! Here is how I have built it (I have put the sample code here just to show you guys that there are no visible loop backs in dispose function, please correct me if I'm wrong)- In game screen, public void dispose() { AssetLoader.dispose(); render.dispose(); Gdx.app.exit(); } Under class AssetLoader- public void dispose(){ Texture.dispose(); sound.dispose(); } Under game render class - public void dispose(){ spritebatch.dispose(); //throws an error when I GameScreen.dispose is called font.dispose(); shaperender.dispose(); } I believe that my spritebatch isn't disposing which is causing the black screen but I cannot find a way to dispose it off successfully. Any help would be greatly appreciated.

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  • Why is Spritebatch drawing my Textures out of order?

    - by Andrew
    I just started working with XNA Studio after programming 2D games in java. Because of this, I have absolutely no experience with Spritebatch and sprite sorting. In java, I could just layer the images by calling the draw methods in order. For a while, my Spritebatch was working fine in deferred sorting mode, but when I made a change to one of my textures, it suddenly started drawing them out of order. I have searched for a solution to this problem, but nothing seems to work. I have tried adding layer depths to the sprites and changing the sort mode to BackToFront or FrontToBack or even immediate, but nothing seems to work. Here is my drawing code: protected override void Draw(GameTime gameTime) { GraphicsDevice.Clear(Color.Gray); Game1.spriteBatch.Begin(SpriteSortMode.Deferred, BlendState.AlphaBlend, SamplerState.PointClamp, null, null); for (int x = 0; x < 5; x++) { for (int y = 0; y < 5; y++) { region[x, y].draw(((float)w / aw)); // Draws the Tile-Based background } } player.draw(spriteBatch, ((float)w / aw));//draws the character (This method is where the problem occurs) enemy.draw(spriteBatch, (float)w/aw); // draws a basic enemy Game1.spriteBatch.End(); base.Draw(gameTime); } player.draw method: public void draw(SpriteBatch sb, float ratio){ //draws the player base (The character without hair or equipment) sb.Draw(playerbase[0], new Rectangle((int)(pos.X - (24 * ratio)), (int)(pos.Y - (48 * ratio)), (int)(48 * ratio), (int)(48 * ratio)), new Rectangle(orientation * 48, animFrame * 48, 48, 48), Color.White,0,Vector2.Zero,SpriteEffects.None,0); //draws the player's hair sb.Draw(playerbase[3], new Rectangle((int)(pos.X - (24 * ratio)), (int)(pos.Y - (48 * ratio)), (int)(48 * ratio), (int)(48 * ratio)), new Rectangle(orientation * 48, animFrame * 48, 48, 48), Color.White, 0, Vector2.Zero, SpriteEffects.None, 0); //draws the player's shirt sb.Draw(equipment[0], new Rectangle((int)(pos.X - (24 * ratio)), (int)(pos.Y - (48 * ratio)), (int)(48 * ratio), (int)(48 * ratio)), new Rectangle(orientation * 48, animFrame * 48, 48, 48), Color.White, 0, Vector2.Zero, SpriteEffects.None, 0); //draws the player's pants sb.Draw(equipment[1], new Rectangle((int)(pos.X - (24 * ratio)), (int)(pos.Y - (48 * ratio)), (int)(48 * ratio), (int)(48 * ratio)), new Rectangle(orientation * 48, animFrame * 48, 48, 48), Color.White, 0, Vector2.Zero, SpriteEffects.None, 0); //draws the player's shoes sb.Draw(equipment[2], new Rectangle((int)(pos.X - (24 * ratio)), (int)(pos.Y - (48 * ratio)), (int)(48 * ratio), (int)(48 * ratio)), new Rectangle(orientation * 48, animFrame * 48, 48, 48), Color.White, 0, Vector2.Zero, SpriteEffects.None, 0); } the game has a top-down perspective much like the early legend of zelda games. It draws sections of the texture depending on which direction the character is facing and the animation frame. However, instead of drawing the character in the order the draw methods are called, it ends up drawing the character out of order. Please help me with this problem.

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  • How do walls affect lighting?

    - by Milkboat
    I have been trying to implement a simple form of lighting in my 2D game. In the screenshot, I don't think it looks very good, kind of just plastered over the top of the map. How would the wall effect how the lighting is displayed? Just looking for tips on how to make my lighting look a bit better. Right now I gave each tile a light value and I change that depending on if there is a light source near by. I don't take in account if there are any objects near by. Screenshot:

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  • adapting a Unity gravitational script to allow moons

    - by PartyMix
    I'm using this script: http://wiki.unity3d.com/index.php/Simple_planetary_orbits to get a solar system going in Unity, but it doesn't seem to support creating bodies that orbit other moving bodies (or I am using it incorrectly). Any idea about how to modify it so that it does (or just use it correctly)? I've been beating my head against this problem for a couple hours, and I really don't feel like I have any idea what I'm doing. Thanks in advance.

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  • Level Creating Help

    - by Brandon oubiub
    I am making a little 2d overhead RPG type game just for fun. I have almost all the basic stuff set up, but I just need a little help on level creation. I can already make a level and place each tile how I want it, but having to place each tile gets annoying after a while. I noticed that in a lot of games, even extremely simple ones, they have LOTS of levels with LOTS of tiles in each. Creating all that in this fashion would take forever. So I guess my question is, as a game developer, am I supposed to do all that, or maybe make a little level editor so I can see things as I create it? What do game developers do? I'm using Java. EDIT: Okay, say if I had an image for a map, that I made in MS paint or photoshop, and each pixel represent a tile value, could I somehow in Java detect what color an individual pixel is? If so, that would be perfect. If so, how?

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  • Need help in determing what, if any, tools can be used to create a free Flash game

    - by ReaperOscuro
    Yes I proudly -and sadly- declare that I am a complete nincompoop when it comes to Flash, and I have been fishing around the big wide web for information. The reason for this is that I have been contracted to create a game(s) for a website -the usual flash-based games caveat. Please I do not mean things like by those gaming generator websites, I mean small yet professional games- but the caveat, as always, is that impossible dream: it needs to be done all for free. The budget...well imagine it as not there. Annoyingly is that I am a game designer yes, but with a ridiculously tight deadline I haven't got much time to re-learn (ah the heady days of programming at uni) everything by the end of March, so I'd like to ask some people who know their stuff rather than keep looking at a gazillion different things. This is my understanding: with the flash sdk you can create a game, albeit you need to be pretty programming savvy. FlashDevelop helps there -yet I am not entirely sure how. Yet even FD says to use Flash for the animation/graphics. Yes its undeniably powerful but as I said there is the unattainable demand of no money. The million dollar question: what, if any, tools can I use to create a free flash game?

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  • How can I implement 2D cel shading in XNA?

    - by Artii
    So I was just wondering on how to give a scene I am rendering a hand drawn look (like say Crayon Physics). I don't really want to preprocess the sprites and was thinking of using a shader. Cel shading supplies the effect I want to achieve, but I am only aware of the 3D instances for it. So I wanted to ask if anyone knew a way to get this effect in 2D, or if cel shading would work just as fine on 2D scenes?

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  • Pathfinding and BSP with Box2D

    - by Amplify91
    I'm looking into implementing AI in my 2D side-scrolling platformer, and I'm looking into using algorithms such as A*. For many kinds of pathfinding, we need some sort of grid or systems of nodes or polygon areas. My problem is that I am using Box2d for physics and I am not sure how best to create a structure that my AI can use besides placing individual nodes manually (something I really want to avoid) and using some sort of steering behavior. My level design is tile-based with each tile being about half of the height/width of my main character. The tiles are not all square (some are sloped). I'd like to have a system that can see what the terrain looks like for pathfinding and also keep track of the positions of other actors such as enemies. I'd like to avoid directly placing any nodes into my level design except for possible endpoints or goals. This question is related: How do you do AI path following within a 2d physics engine like farseer/box2d?, but it doesn't specify what kind of structure I could use instead of a list of nodes. I'm looking for some kind of grid or type of BSP that I can query for algorithms like A*.

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