XNA Game Studio 4.0 is a programming environment that allows you to use Visual Studio to create games for Windows Phone, the Xbox 360 console, and Windows-based computers.

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XNA arcball camera steering issue

I have an arcball set up to follow my model in XNA. It rotates around the target correctly when holding in the left mouse button and moving the mouse. It zooms in and our correctly with the mouse ...
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3answers
3k views

Alpha blending not rendering properly XNA 4.0

I'm trying to render a tree made out of 2 rectangles intersecting in the center at a 90degree angle. The texture has an alpha channel but which ever rectangle gets rendered second causes a weird ...
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168 views

Why spritebatch.Draw shows blank output? [closed]

In my code below, I think it's correctly done. But idk, the image called by _bg is does not shown up. The screen only show White. Weirdly, there is 0 error message when I run it. (The RenderTarget2D ...
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20 views

SoundEffect.Play and SoundEffectInstance.Play do not work

I am having issues playing a music file in MonoGame. The problem is, an old version worked fine, but I lost it to corruption. Basically, I create an instance, call instance.Play, and hear nothing. I ...
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3answers
312 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. ...
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1answer
643 views

Creating a Static function inside my class to handle small housekeeping tasks

I have used Unity 3D for quite some time, and a lot of my game programming experience originates from using UnityEngine. Writing in XNA, I am setting up a nested list of objects. Each object will be ...
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2answers
163 views

XNA Transparency depending on drawing order?

I am drawing two 3D objects, both of them can fade from opaque to transparent independently, and they can intersect between them (so you cannot say when one of them is before the other one). Look at ...
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1answer
806 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 ...
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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 ...
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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 ...
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1answer
27 views

Can I export a model and texture from a terrain file built in Unity3D?

I am mostly familiar with building my level maps within unity, and have become quite use to its inbuilt terrain creator, in both generating my terrain, and spraying a texture on to it. I am making a ...
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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, ...
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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 ...
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2answers
361 views

Water Physics In top down 2D game

I have been making a game like Minecraft or Terraria in which you add blocks and such to the world, and I came across this interesting debacle, the game is in a top down 2D perspective, and I would ...
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2answers
624 views

How do I generate a mipmap for a texture loaded from a stream?

I am loading a Texture2d from a stream: public static Texture2D GetTexture(GraphicsDevice dev, System.Drawing.Bitmap bmp) { Texture2D texture; using (MemoryStream s = new MemoryStream()) ...
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1answer
329 views

Scaling Skeletal values to be able to reach objects on the screen

I have created a game using Kinect + XNA and the game runs on full screen mode.. However when i try to touch or reach a certain area on the screen using hand.. I cant reach it.. I will already be ...
3
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1answer
743 views

Stencil mask with AlphaTestEffect

I am trying to pull off the following effect in XNA 4.0: http://eng.utah.edu/~brendanw/question.jpg The purple area has 50% opacity. I have gotten pretty close with the following code: public ...
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39 views

Bounding Box for 3dModel

I've tried using the code from this post How do i create bounding boxes with XNA 4.0? to create a bounding box for a 3d model, but my bounding box is way smaller than my model. My model isn't scaled ...
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1answer
97 views

How to get rid of jerky movement in scrolling? C# / XNA

I'm having a bit of trouble with my code meant to create a scrolling background of random-ish ones and zeros. When moving to the right (or left), it scrolls smoothly for a few seconds, stops/jerks, ...
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1answer
159 views

Having trouble getting shader to work with sprite batch in XNA #4

I found a neat "CRT screen" effect shader on the web, but I've never used shaders before and I can't seem to get it working properly. If I do the second sprite batch in my code here normally without ...
2
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1answer
42 views

Monogame - Not enough storage is available to complete this operation, on backgrounds

I am making a level selector, which works like a web slider. I am showing 12 levels per page, and I have a total number of 60, which means 5 pages of 12 levels. Each level has his on background ...
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3answers
7k views

How do I make objects move along a path?

I'm trying to get something like the below image. As you can see, there's a highway and inside of it, there'll be some objects moving (millisecond). I guess the street behavior is like a pipeline. ...
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47 views

Creating terrain in sections in XNA

I am learning XNA, and have followed riemers tutorial on multitexturing terrains: http://www.riemers.net/eng/Tutorials/XNA/Csharp/Series4/Multitexturing.php Which worked perfectly, however when I use ...
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0answers
83 views

Cloth effect to boned model for XNA

I'm currently working in virtual dressing project using kinect. I'm using a dress model with bone created in blender and added that to xna, placed on the customer and controlled the product movements ...
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1answer
23 views

XNA - Offscreen Vertices Optimization

Okay, I have a set of vertices that is around 10,000,000 (it's a long story, but it seems that it is needed), however only a few thousand of those will be onscreen at a time. It's currently setup as ...
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8 views

Xna remove DiffuseColor

I'm drawing my model multiple times with the follwing method. I need tiles to be yellow if they are selected. private void DrawTile(int x, int y, int z, bool selected) { foreach ...
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3answers
225 views

2D HLSL World position

I'm trying to get world position from my vertex shader to my pixel shader so that I can disable the shader once a preset X coordinate has been passed (no shading once I'm over X). Getting the screen ...
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32 views

Partially colorizing a sprite in XNA

I'm looking for a clean way of making sprites that look like the following glowing circle, except in any arbitrary colour. Originally we thought we could start with a gray-scale version of the ...
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45 views

Question about installation of FNA

I am following this tutorial to install FNA: http://gamasutra.com/blogs/MichaelHicks/20140623/219612/Converting_an_XNA4_Game_to_FNA.php In the tutorial it says too: "Make sure SDL2#, TheoraPlay# ...
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96 views

XNA 4.0 - Using premade .xnb font files

Basically, for our college project, we need to use a font in xna. The only problem is that we are not allowed to install it due to admin rights. Is it possible to use and load the .xnb file that gets ...
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2answers
2k views

Creating 2D billiard game with realistic movement [closed]

I'm new to XNA and game programming. I'm creating a 2D billiard game and I want to add balls with realistic movement (like 3D). Is it possible to achieve this without using 3D models? I only want to ...
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1answer
57 views

How to play more than one background song in XNA?

The current tutorial I am using to play background songs only allows me to play one song throughout the entire game. Link to tutorial --> http://rbwhitaker.wikidot.com/playing-background-music I ...
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2answers
160 views

How to make my installer install XNA framework and .NET 4.0

I have made a simple Monogame game. Right now I am using this installation-package maker: http://installforge.net/ Currently my installer only installs my "game". (All the output files generated by ...
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2answers
47 views

XNA - debugging

I know how to debug step by step in XNA however when I do that the screen is gray and the console does not give out any output. This is a problem because it greatly limits my ability to find problems. ...
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1answer
84 views

How can I draw some of my XNA models semi-transparent? (C#, XNA 4.0)

I've recently made some basic Blender models without transparency for a new game I've been working on, but I'm having some problems rendering them semi-transparently. Namely, I haven't been able to ...
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1answer
32 views

Question about segment of code in XNA [closed]

Basically when the code says public static Camera Instance { // Code and something with get statement } Is it declaring a method? I don't think it is a method because there is no parenthesis to ...
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1answer
82 views

xna - Render background and multiple sprites to a single texture

I currently creating a game and I am trying to render my background and a sprite to a texture. Currently I have the background being rendered to a texture. But I am needing to render both my ...
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1answer
194 views

2D animated sprite jumping and gravity physics [duplicate]

I'm currently writing a Megaman clone for my school project. So far all I did was making the character run and stay put when needed. Know I want to be able to make him jump using the 'X' button. I ...
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1answer
42 views

How to prevent constant adjustments form collision?

I'm try to clone a popular 2D platformer as a project. For both the player character and enemies, whenever I constantly check to see if they are walking on the ground or floating platforms, they ...
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3answers
2k views

XNA: Rotating Bones

XNA 4.0 I am trying to learn how to rotate bones on a very simple tank model I made in Cinema 4D. It is rigged by 3 bones, Root -> Main -> Turret -> Barrel I have binded all of the objects to the ...
5
votes
1answer
332 views

How can I remove Magic Pink from an image at runtime using GraphicsDevice?

In XNA 4.0, I want to load all my textures at runtime, which means I will not be able to take advantage of the content processor. (This is fine because it would allow people to change graphics and ...
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164 views

How to do animation of XNA model integrated with WPF?

Back with another weird question I managed to find a XNA Model viewer integrated with WPF which is this one https://xnamodelviewer.codeplex.com/ So I had a custom processor which sort of run multiple ...
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2answers
102 views

Create a big image out of several other small images in MonoGame/XNA

How can I create one big Texture2D out of several other small Textures2Ds? Then display that image instead of all the small images.
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1answer
145 views

Apply shader to only a part of a sprite

I'm trying to make an image blur when a transparent image overlays it, I am wanting it only to blur the section that is being overlayed. So if half of the original image is not being overlapped, that ...
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0answers
62 views

Choppy edges with sub pixel movement MonoGame/XNA 4

When I move a texture slower that one pixel it moves using sub pixel movement inside but the edges jumps from pixel to pixel. Video : https://www.youtube.com/watch?v=zcai1PUfzzA Sorry for the low ...
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1answer
58 views

Wrong distance in Depth-buffer

I am currently trying to get the Depth Buffer as a texture to use it for edge detection algorithms. Since XNA4 does not allow direct access to the Depth Buffer as texture i have to render it into a ...
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2answers
128 views

How to get asset/model name from (custom) Content Processor in XNA 4.0

I'm trying to make multiple animations for multiple models in XNA 4.0 and I need to get the name of the model/asset from the content processor which is a custom one (XNA default I think), I'm trying ...
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2answers
2k views

Exported FBX Blender Model not showing up in XNA

I really do apologise if this question has been asked before, but I recently created a model in Blender 2.63, exported it to an FBX file, and tried to display it in XNA (using 4.0 Refresh), but all ...
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27 views

Play soundeffect only once?

I am creating a game in XNA and when there is a collision between two objects a siren will sound. I have pixle-colliding between the objects and if several pixles collide the sound plays several times ...
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1answer
48 views

XNA SoundEffect won't stop playing

For my HND I've got to re-create Frogger, and everything was going swell until I tried adding some collision detection and sound. Whenever my player intersects a vehicle, the sound file just starts ...