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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How to fasten the avatar's foots on the ground

I'm developing a Kinect Project using C# and XNA 4.0.Now facing a problem that I couldn't solve.When the player bend to near side , the avatar's foots are leaving the ground and it is moving like ...
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33 views

How to block Kinect rotation

I'm developing a Kinect Project using C# and XNA 4.0. Now facing a problem that I couldn't solve. When the player turn around himself, the avatar doesn't turn, but its arms and legs are trying to ...
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1answer
170 views

XNA Skinned Model - Keyframe.Bone out of range exception

I'm getting an IndexOutOfRangeException on this line of AnimationPlayer.cs: boneTransforms[keyframe.Bone] = keyframe.Transform; I don't get what it's really referring to. The error happens when ...
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28 views

Add button to xna Gamewindow and implement click event for the button [closed]

I'm developing a windows phone xna game.I want to add button to GameWindow as a Pause Button.And I want to implement click event for that.how to do this?.
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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 ...
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2answers
122 views

Detecting Hitbox Collisions (Rectangle)

So I have some Hitboxes set up on 2 classes, HealthPickup and Player. public static Rectangle Hitbox; public override void Initialize() { Hitbox = new Rectangle(Pos.X, Pos.Y, 32, 32); } That's ...
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5answers
1k views

How can I simulate shattering glass?

I need to make a simulation with stone thrown through a glass window. How can I accomplish that? I mean, I was thinking about making a 3D model of a stone and glass in 3D Studio Max 2012, shatter the ...
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2answers
436 views

XNA 3.1 to 4.0 Vertex Shader Not Drawing

I have recently been converting our XNA 3.1 game to XNA 4.0 and am stuck on the shaders. I have the game running, but nothing is drawing to the screen, except things not using a shader. This is only ...
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2answers
182 views

The XNA redistributable isn't in the prerequisites list; how do I include it when publishing?

So I created a small project in XNA 4.0, and wanted to try and publish it, and so I did. Yet when attempting to install it on a different computer it didn't seem to work. I've read and studied about ...
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26 views

graphics.IsFullScreen resetting to false after game constructor and graphics.ApplyChanges()

This is a MonoGame 3.2 Windows (DirectX) Project. I've tried setting graphics.IsFullScreen to true in the game's constructor and in the game's initialize function, both times running ...
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1answer
262 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 ...
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1answer
578 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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2answers
401 views

Set a 2d camera's position so that a building is under the players feet

My issue is this: i am making a scrolling game in XNA, and the camera updates based on the players velocity, but the player never actually moves, he is always in the center of the screen. When he hits ...
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1answer
190 views

Issues with touch buttons in XNA (Release state to be precise)

I am trying to make touch buttons in WP8 with all the states (Pressed, Released, Moved), but the TouchLocationState.Released is not working. Here's my code: Class variables: bool touching = false; ...
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1answer
619 views

Should the networking of my game be a component or a service?

I am working on a windows game and I am trying to understand the XNA GameComponents and GameServices classes and use. From what I understand about a component is that it has an Update method that ...
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1answer
89 views

Why am I getting a return value of zero from my position computation function?

Ok I have a Function int x(), which is used in new Rectangle(x(),a,a,a); in DrawMethod in XNA but when I use it I get x() = 0 as as the answer.Here is my CODE: int x() { int px ...
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1answer
79 views

Find world matrix

I'm making my first 3D-game with XNA (MonoGame) and have come to a point where I wish to add a crosshair for the player. To do this I need the on-screen coordinates of the location where my fighter ...
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1answer
26 views

XNA Texture2D storage question

Are Texture2D objects stored on the graphics card or on system memory? I am thinking that the backbuffer is located on the graphics card (by default) and that the textures are on the system memory. I ...
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2answers
74 views

Loading and storing content efficiently

So for example I have a class called TypingKeyboard. It allows you to display a string while it's being typed by the computer with sounds. I need one in the menu, for the title. And one for the ...
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1answer
31 views

XNA - Autodeploy .exe of game upon succesfull commit to GIT

I know of ClickOnce which creates an .exe file so a user can play my XNA game. However, I have to manually go through a wizard in order to create this file. I would like for the new .exe to be ...
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1answer
64 views

How can I determine whether a unit is in range or not?

I'm programming a small game that's going to be somewhat like a tower defence. I was playing around with how I determin whether a unit is in range or not. public void Update(GameTime theGameTime) ...
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1answer
632 views

How To Approach 360 Degree Snake

I've recently gotten into XNA and must say I love it. As sort of a hello world game I decided to create the classic game "Snake". The 90 degree version was very simple and easy to implement. But as I ...
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29 views

Should I Open/Close SpriteBatch with different settings?

I'm still new in game developpement, and I'm trying to complete my 1st game. Its a simple 2d game, but i'm trying to add lots of differents techniques in it. It's all good when you take a single ...
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57 views

Any easier way to add networking to an XNA game? [closed]

I know that the MSDN has an article on this but I'm not developing for Xbox so I'm not sure if I should use NetworkSession or LocalGamer etc etc because I think they are Xbox only. But I haven't tried ...
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3answers
112 views

Removing something on Collision?

I have my collision detection code working so how would I tell my HealthPickup to disappear when my Player collides with it? I haven't played around with it yet but I think I may have to somehow ...
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2answers
97 views

How to Calculate Velocity in a 2D space game

I am currently using screenpos.X = (float)(screenpos.X + velocity * Math.Sin(r)); screenpos.Y = (float)(screenpos.Y - velocity * Math.Cos(r)); For my Movement with r being the Rotation in Radians. ...
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1answer
62 views

XNA 4: RenderTarget2D textures getting transparent on fullscreen

I'm generating a Texture2D object using RenderTarget2D as in the following code public static Texture2D GetTextTexture(string text, Vector2 position, SpriteFont font, Color foreColor, Color ...
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2answers
170 views

How can I make an object's hitbox rotate with its texture?

In XNA, when you have a rectangular sprite that doesnt rotate, it's easy to get its four corners to make a hitbox. However, when you do a rotation, the points get moved and I assume there is some kind ...
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1answer
54 views

XNA tempory pause

I need to do a temporary pause. If I do a collision with an enemy I want to pause the game for 1.5 seconds. Take a look here to my code: bool tPause; float timer; public ovveride Update(GameTime ...
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3answers
100 views

Rotation matrix for a 3D vector

I have a direction vector on which I have to apply some rotation to align it to positive z-axis. To use Matrix.CreateRotationX(angle) of XNA, I need the angle for which I'd have to compute cos or tan ...
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29 views

Sprite sheets, Clamp or Wrap?

I'm using a combination of sprite sheets for well, sprites and individual textures for infinite tiling. For the tiling textures I'm obviously using Wrap to draw the entire surface in one call but up ...
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637 views

Make the player run onto stairs smoothly

I have a 2D Platform game, where the player Always runs to the right, but the terrain isn't Always horizontal. Example: I implemented a bounding-box collision system that just checks for ...
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1answer
52 views

Applying textures to 3D models

I want to apply textures to a 3D Model in XNA 4. Whatever I saw on the internet was to apply the textures in the modeling tool and then load the model (*.fbx) into XNA. Is it possible to load the ...
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1answer
49 views

RenderState in XNA 4

I was going through this tutorial for having transparency which can be used to solve my problem here. The code is written in XNA 3 but I'm using XNA 4. What is the alternative for the following code ...
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41 views

XNA Windows Resolution / Mouse Position Bug

In XNA, when in windowed mode and resolution (set via PreferredBackBufferWidth/Height) is close to the resolution of the display, the view is distorted (zoomed in a bit)and the mouse coordinates are ...
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28 views

Transparency in XNA-4 primitives

I'm using XNA 4 with Visual Studio 2010. I'm trying to create a simple 3D world with walls and doors in which the user to free to roam around. A wall is just a rectangle which is currently being ...
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1answer
364 views

XNA, how to draw two cubes standing in line parallelly?

I just got a problem with drawing two 3D cubes standing in line. In my code, I made a cube class, and in the game1 class, I built two cubes, A on the right side, B on the left side. I also setup an ...
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2answers
171 views

Collide with rotation of the object

I'm developing a mirror for lazer beam(Ball sprite). There I'm trying to redirect the laze beam according to the ration degree of the mirror(Rectangle). How can I collide the ball to the correct angle ...
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1answer
39 views

When to get input state: multiple times or one time in a static class?

Let's say I have these classes: Player Here I want to make the player jump: current_state_ = Keyboard.GetState(); if ((current_state_.IsKeyDown(Keys.Space) || ...
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1answer
70 views

XNA 4.0 HLSL - strange depth map

I want to draw my pre-rendered depth map to the scene. I get my depth value in the following way: basically (Pixel Shader) // Depth is stored as distance from camera / far plane distance, 1-d for ...
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1answer
97 views

SpriteBatch, trying to reduce draw calls

This my main draw call: Matrix Camera_transformation = player_camera_.GetTransformation(); // Background - AlphaBlend spritebatch.Begin(SpriteSortMode.Deferred, ...
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0answers
19 views

XNA alpha channel mask

I'm trying to highlight a portion of the screen, such that the entire screen is covered with a semi-transparent black mask but part of that mask is "cut out", kind of like it's being lit up while ...
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41 views

XNA 4.0 displaying .fbx texture problem

Here is my image. I have Steve from MineCraft I exported it to .FBX format. After Googling for a while, I changed sampling mode to PointClamp and turned off anti-aliasing, but somehow the texture ...
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2answers
73 views

Player's camera, how to obtain smooth movement

In a 2D platformer, I have a player that can move both horizontally and vertically. I also have a camera that moves in relation to player. In every update I do this: public void RepositionCamera() ...
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0answers
24 views

Loading dynamically created files with XNA

I'm trying to implement a structured save/load functionality so if the user saves, it will take up one of 10 slots, and if the user loads, they would select one of these slots. To do this, I need ...
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1answer
108 views

Explanation of matrix transformations

I've been looking for something that can help me understand matrix transformations. I've been to multiple different sites, including Wikipedia and quite a lot of related questions on SE and other ...
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2answers
135 views

XNA: Non-overlapping shadows

I want to create an effect similar to the following in XNA / MonoGame: There's a background and a semi-transparent shadow consisting of several objects (two circles in this example). However, the ...
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1answer
37 views

XNA 4.0 - Strange Behavior when using RenderTarget2D

My Problem is similar to XNA 4.0 - Why does using a RenderTarget2d cause transparency on models?. I want to render my scene to a Texture2D and then draw the texture. If I set no RenderTarget at all ...
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1answer
68 views

How can I animate the stretching of a sprite over time?

My goal is to find the function to stretch a sprite like my example below, and then get it to animate during a certain time. It is like an interpolation, where the starting point is the original ...
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1answer
79 views

How can I deploy a Xbox 360 game onto a disc?

I'm making some games for Windows now since about 3 years using the Microsoft XNA Framework and C#. Now I finally came to buy myself a Xbox 360 and now I want to deploy some games I converted to Xbox ...