XNA is a game framework by Microsoft that allows deployment for Xbox Live Indie Games as well as Windows Phone 7.

learn more… | top users | synonyms

0
votes
0answers
294 views

Bone pivot mirroring problem in 3dmax

Im make model with animation in 3dsmax and port it to XNA game. All works fine except one character hand. I suspect its all about pivot and kinematics. When I create hand bone from scratch the ...
4
votes
4answers
1k views

Drawing 2D Images “3D-Like”

So, I want to use textures for weapons in my FPS game instead of actual models. However, if I just draw the texture onto a square in the game, it has the rotation and stuff, but it looks "2D". How ...
2
votes
3answers
310 views

Scaling 3D furniture while keeping the thickness constant

I am creating a program in WindowsForms and Xna that allows users to create a 3D room. By dragging and customizing different .fbx models, they can "build" a room or whatever and then look at it in 3D. ...
0
votes
1answer
15 views

How to transform a matrix's local space position into another's local space

When looking at an example to learn how to do per pixel collision, I came across this: // Calculate a matrix which transforms from A's local space into // world space and then into B's local space ...
0
votes
1answer
63 views

Shadow map depth error makes all light be covered and hidden

I've been following the tutorials listed below: http://www.riemers.net/eng/Tutorials/XNA/Csharp/Series3/Shadow_map.php http://xbox.create.msdn.com/en-US/education/catalog/sample/shadow_mapping_1 ...
3
votes
2answers
200 views

How can I implement screen transitions like in the 2D Zelda games?

I want to implement a screen transition in the style of the 2D Legend of Zelda games (like this). That is, I'd the screen to remain static until the player moves to an exit, at which point the next ...
4
votes
1answer
805 views

How can I achieve a zoom-like camera effect?

I have a top down 3D camera: view = Matrix.CreateLookAt(new Vector3(0,0,20), Vector3.Zero, Vector3.Up); Now I want to achieve the effect like when I zoom in the scene and only show a section at the ...
4
votes
1answer
229 views

Creating rectangles from the inner part of a texture2D

This may be hard to understand, but I'll do my best. You will see that the first image is a normal Mario, and the other is the result I am looking for. I'm trying to find a way to extract ...
4
votes
2answers
2k views

XNA 4.0 - Normal mapping shader - strange texture artifacts

I recently started using custom shader. Shader can do diffuse and specular lighting and normal mapping. But normal mapping is causing really ugly artifacts (some sort of pixeling noise) for textures ...
0
votes
0answers
143 views

Draw mesh with multiple bones

I currently have an object made up of only one mesh. And this object contains three bones. One for stretching the mesh left, one for stretching the mesh up, and a center bone, which moves the object ...
1
vote
1answer
730 views

XNA 2D game fullscreen issue

I am creating a 2D farming game using XNA - just today I have tried applying full screen to it, and I realized I failed badly with something. It cuts off a bit of the lower part [item hotbar and a ...
1
vote
1answer
295 views

How to design the scenarios in a platform game?

I am developing a 3D platform game like Metroid Fusion with XNA. I have many classes for different elements as models, game screens, post-processing and so on. Now I want to start designing the ...
0
votes
0answers
21 views

XNA4\ Monogame 3d Collision detection Help please

i have been trying to get 3d collision working for a while and i think(hope) you people can help me so for my project i have created a 'sprite3d' kinda class which is called ModelEntity and there ...
0
votes
1answer
31 views

Problem disposing content from a screen's content manager

I have a problem with my game. I am using multiple classes for different screens, for exemple: Main Menu is one screen, When playing is another, and so on... I decided to use multiple ...
1
vote
1answer
196 views

Understanding how texCUBE works and writing cubemaps properly into a cube rendertarget

My goal is to create accurate reflections, sampled from a dynamic cubemap, for specific 3d objects (mostly lights) in XNA 4.0. To sample the cubemap I compute the 3d reflection vector in a classic ...
1
vote
1answer
30 views

Monogame / XNA - Is there a limit when drawing at far position (> 1 billion ? = strange behavior)

So I'm making an "unlimited" 2D Tile-Engine with procedural generation (simple noise based) in Monogame, and I'm loading/unloading Chunck by Chunck as you go along. It's working pretty well now. ...
1
vote
1answer
122 views

XNA renderTarget, how to convert mouse coordinates to world position when upscaling

I'm currently developing a monogame game with a tile engine. I have been experimenting with different tiles and sprites sizes : 16px, 32px, 64px I have settled for 32x32 pixels tiles rendered at a ...
0
votes
0answers
39 views

XNA - Efficient way to get pixel color from rendertarget2D

I'm stuck with a framerate perf down with getData from a rendertarget, what's your idea, what are the other options I can use ? I explain my problem : I'm making a board game, the objects or monsters ...
47
votes
3answers
12k views

2D water with dynamic waves

New Super Mario Bros has really cool 2D water that I'd like to learn how to create. Here's a video showing it. When something hits the water, it creates a wave. There are also constant "background" ...
0
votes
1answer
18 views

Mapping “Color” parameter from SpriteBatch.DrawString() function to a custom shader

I've recently found a nice way to render text in XNA with custom font AND custom shader. Here is the game code**: using System; using System.Collections.Generic; using System.Linq; using ...
2
votes
2answers
105 views

Change in direction should slow down object and accelerate in new heading

I'm trying to implement some sort of faux space physics in my 2D game. I have a top down view of my space ship. You can change direction and set a speed up to a maximum which then accelerates the ship ...
2
votes
2answers
136 views

How can I read the color of a specific pixel in XNA?

I want a way to find out if, for example, the pixel at Vector2(2, 5) on the game window is color Color.Red, or some other color or set of coordinates. How can I do this?
1
vote
1answer
1k views

Drawing Shape in DebugView (Farseer)

As the title says, I need to draw a shape/polygon in Farseer using debugview. I have this piece of code which converts a Texture to polygon: //load texture that will represent the tray ...
2
votes
0answers
37 views

Monogame Startup Memory Spike

I am currently porting a game from WP7 using XNA to WP8.1 using MonoGame. I have been putting considerable effort into optimizing my game to be under the 185MB memory limit for low-memory phones. I ...
1
vote
1answer
155 views

Event handling on own UI implementation in XNA

I´m creating a game in XNA with my own UI and its controls/components. Currently I have some problems with the event handling. Let me tell me the way I do it right now. Every object is handles as a ...
0
votes
1answer
44 views

Draw transparency

I want to draw a terrain in a Texture2D at runtime in order to make collisions work with Farseer Physics later on. What I need is to make some parts of my original texture, which is just a colored ...
0
votes
1answer
85 views

XNA 2D rotation Matrix offset/origin

I'm currently struggling with finding the offset for my original camera translation after I have applied a rotation for it. transform = Matrix.CreateScale(new Vector3(1, 0.75f, 1)) ...
0
votes
1answer
194 views

XNA game structure question

I see to be running into a problem here. I know it's easier to show code samples so here you go. This is my main game class namespace WindowsGame4 { public enum MoveDirection { Left, Right, Up, ...
1
vote
0answers
123 views

How should we begin to create our 2D Tower Defense? [closed]

Me and my friend are going to make a 2D Tower Defence game as our last assignment in highschool that has to be finished april/june next year. We both know a handy bit of Java and C# but our game is ...
1
vote
1answer
230 views

Lightning bolt effect with particles is not continuous

I am Drawing a lightning effect animation using this image: Below the result: As you can see the outcome is not a continuous purple color as I wanted it to be, but it has black spaces in ...
2
votes
1answer
84 views

Reflections on moving water

I've been working on a simple game with semi-realistic water. I followed some tutorials to get: a flat water surface reflection and refraction (blended using fresnel term) ripples using a ...
0
votes
1answer
54 views

Monogame/XNA Making animations play once per click

I'm currently making a #gbjam entry and everything has been going smoothly up to this point. My issue being that I've implemented a shooting mechanic and along with it an animation to play as a shot ...
0
votes
1answer
29 views

MonoGame - Left/Right Sided Collision Not Working

I'm working on a platformer as part of my course, the problem I have come across is Left/Right sided collision is not working very well. I already have bottom & top collision working. Here is an ...
0
votes
1answer
49 views

Background Scrolling like Zelda - A Link To The Past with XNA [duplicate]

i am trying to create a background that scrolls like the one in zelda - a link to the past. in other words: i have a bigger "screen" than the camera covers, so i need to scroll over it, when moving. ...
1
vote
5answers
123 views

Advice on how to store level design info? [closed]

I'm building a 2D tile-based puzzle game in C#, using Monogame. The game board is an 8x6 grid of tiles, each of which can contain a number of objects. Conveniently, the number of possibilities for ...
0
votes
1answer
84 views

How to order objects with the same depth in the spritebatch cycle?

I have a tilemap in a isometric 2.5 view and i have also many objects moving and static. The problem is many statics are standing in a "integer" place for obvious reasons and the depths of each object ...
0
votes
1answer
408 views

How can I disable mipmapping on textures loaded from .X files?

I'm trying to render a plane mesh textured with a simple grid pattern. The problem is that XNA keeps mip-mapping the texture in horrible, horrible ways. What I'm trying to achieve is to get this ...
1
vote
4answers
63 views

MonoGame/XNA 3D fbx model produces strange rendering output

The Problem: I have been making a model of a Steampunk-themed street light in Blender for use in my MonoGame/XNA Game. To test it I exported it to the *.fbx file format using the fbx export plugin ...
0
votes
1answer
46 views

Applying texture to a 3D object

I am trying to draw a 3D cube on the screen, using MonoGame. The cube was created in Blender and exported as an fbx file. The following is what the cube looks like in VS when opened in the editor: ...
1
vote
1answer
21 views

Strange anomalies when using WinForms with XNA

I haven't seen any questions related to my issue, and this leads me to believe I'm missing something minor, however; The Problem I'm creating a game that is effectively launched from a windows form. ...
0
votes
1answer
78 views

Problem with SSAO

I'm trying to implement SSAO based on this tutorial (and other). My setup: XNA 4.0 Deferred depth = z/w This is result: Lines across buildings are moving when I move camera. So I'm wondering ...
0
votes
1answer
33 views

Sound Effects on Monogame delay

I have recently added some Sound Effects to my game, but the problem that I am dealing with now, is that they have for a half of second delay, or more sometimes. Also, if I press repeatedly on that ...
6
votes
2answers
190 views

Spaceship Shield Flare

I'm trying to implement a system whereby a "shield flare" will be shown whenever a projectile impacts the shield. The shield itself is one like in Star Wars, where it's more like a skin around the ...
0
votes
3answers
138 views

2d camera shaking back and forth

I'm trying to create a smooth moving 2d camera but the camera is shaking back and forth 1 pixel. Player camera rectangle: public Rectangle recCamPosition(Global global) { return new ...
1
vote
2answers
640 views

Sprite collision with color?

Is this possible? To elaborate, I am making a PacMan offshoot. Essentially it is a "zoomed in" version of the game, but the board is randomly generated. I have 11 .png files each to be used as a ...
0
votes
1answer
25 views

XNA Line to Rectangle Collision return first pixel

I have the following code: public static bool LineIntersectsRect(Point p1, Point p2, Rectangle r) { return LineIntersectsLine(p1, p2, new Point(r.X, r.Y), new Point(r.X + r.Width, ...
1
vote
2answers
48 views

Rotation before scaling image/Lower resolution rotation? (XNA/C#)

Currently, when I rotate the image using SpriteBatch.Draw() the image is rotated after it is scaled. Resulting in: Which is using the code public override void Draw(GameTime gameTime) { ...
1
vote
1answer
819 views

3DS Max MassFX — Animation to XNA without bones/skins?

I made a model in which a number of cobble stones fall into a hole using the rigid bodies in 3DS Max 2012 MassFX. They are just editable polys, no skin, no bone. I want this to play (Take 001, 0-100 ...
0
votes
1answer
243 views

Remove item after crafting

I'm having one last problem with my crafting system. Say an item takes 2 rocks, 1 twig, and 1 vine. When I craft the item, only 1 of each item is removed instead of the correct amount of items related ...
4
votes
1answer
76 views

Are concurrent Update and Draw calls possible in XNA?

I am making a real-time game in XNA and I would like to reduce the Update() call frequency while getting as many Draw() calls as possible. This would enable the program to finish long calculations in ...