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

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Creating a queue for BeginInvoke method - loading chunks

I have a voxel game similar to Minecraft. I have a funciton PushLoadedChunks(Direction) that pushes all of the loaded chunks forward, backward, left, right. This is done with ...
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2answers
184 views

Collision detection with moving tilemap

I have a player whose who's sprite is 48* 32. I know the player's position. The player can move up and down based on user input. I have a tilemap which moves. Here is an example of the array I use to ...
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168 views

Center a 3D model to cursor's position

I am having a hard time understanding how to go about this. I have a 2D game with some 3D models in it. I want to move a 3D model to where the mouse cursor is currently at in every frame (In other ...
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258 views

XNA C# Adding objects to List in another class [closed]

Hi all i started creating this XNA/C# version of Space invaders to get better at xna since i've only been using it for about 4 days. I've managed fine till now.. So my problem is adding my Bullets ...
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1answer
362 views

Drawing the same model multiple times

I am looking ways to improve the efficiency of my draw method in XNA/Monogame and understand how things work. I have just a group of 4 models (bricks), (red, green, blue, yellow) I am drawing multiple ...
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3answers
74 views

XNA - How to use One Rectangle in sprites for collisions

I'm new to XNA and game development in general. If I want to make an object solid so my character cannot pass through it, I would use several Rectangles to make the collision more "realistic" What I ...
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2answers
105 views

How can I draw sprites in layers based on their Y position?

I am trying to figure out the most efficient way to draw sprites in a way that they layer properly based on their Y position. Lets say I have four objects of the same class named A, B, C, and D, and ...
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1answer
79 views

Most efficient way to hide out of bounds object in tile based environment [duplicate]

I am working on a desktop game in C#, with Monogame framework. I am storing the tile instances in a 2D Array, for the sake of easy collision detection. But the levels are big (often 100x100 or bigger) ...
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3answers
183 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 ...
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89 views

How do I rotate a skybox?

I am trying to find the way to rotate my skyBox. I have a vehicle at a static position (0,0,0) and I can rotate that, but it seems that rotating the skybox is a different operation. First I load the ...
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1answer
99 views

Camera movement constrained to pixel boundaries

So a friend and me, we are currently making a game in C# using XNA. We are trying to get the camera to move in full pixel motion, but we just don't get it right. This concept is hard to explain, but ...
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1answer
179 views

Rendering lighting only on specific objects

I have done something similar to this in monogame: My question is, what would I have to do to draw that lighting effect only on the pillar and not the background ? Is there something like ...
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126 views

XNA Distortion Shader problem

So I came up with a distortion pixel shader in hlsl, but it has some issues. First of all, here is how it works: The shader uses another texture generated by the program as a distortion "map" (if ...
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29 views

DynamicSoundEffectInstance get volume, pitch for each frame XNA

I'm seeking to write a neural net for simple speech recognition in c#, I recorded the speech using the DynamicSoudnEffectInstance class, I need to know how to convert it to a series of pitches and ...
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1answer
171 views

Loading Texture2d content in Monogame [closed]

I am using Monogame and following this tutorial series: https://www.youtube.com/watch?v=agt9-J9RPZ0 I am trying to load a Texture2d into the window and despite not getting any error messages the ...
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0answers
78 views

SpriteBatch passing textures to GPU

How exactly (or, how often) are textures passed to the GPU shaders in MonoGame/XNA? I am asking because I was profiling a MonoGame/XNA application and noticed that the memory controller load (using ...
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2answers
235 views

Collision detection of cicle and rectangle [closed]

How to find the collision detection of a moving rectangle on circular object? Here i have tried to junp rectangular object but the collision detection of a small rectangular object while jumping ...
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2answers
842 views

How to correctly enable anti aliasing in XNA?

In my project when I add graphics.PreferMultiSampling = true; this line in the Game1 Constructor (as the msdn website suggests), anti aliasing does not enable. Any idea what I might be missing ? Here ...
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3answers
226 views

Is there a way to scale a texture via GPU rather than by CPU?

For my game that I'm developing I want to have my cards dynamically drawn so if there is any changes done to them it could be drawn on the card itself. What I have currently is that the cards are ...
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1answer
59 views

Logic outside of game loop running slower than calculated

I've been trying to figure out what is happening when I run functions from the update loop in XNA that the game freezes for a few seconds until the function is done. When I do performance testing to ...
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2answers
154 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
316 views

How i can do colisions with irregular hitboxes [XNA]?

I'm developing my new platform engine and i don't know how to program collisions with slopes - I'm using hitboxes. For the collisions of rectangles i use this: if (player.rec(Position, ...
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1answer
84 views

Draw 3D model on top of another one

I am trying to draw a 3D model I made with Blender in Monogame/XNA and this is the result I get when I draw 2 of them on top of each other How can I make it so that the colors don't add up, but the ...
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84 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 ...
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21 views

function of spriteBatch and Game1.draw method in XNA [duplicate]

I'm supposed te create a game for school in java but I already programmed games in XNA before this. Thats why I started reproducing the XNA framework (only gametime spritebatch and game1 class) I ...
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1answer
92 views

How to pass content through the project's structure efficiently?

so following situation. I have a project which is structured something like this. Game1 -> GameManager -> Module (multiple instances) During runtime units are being spawned in each instance of the ...
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2answers
93 views

Using shader for cubes

I am trying to use a shader to get an effect like this. Notice how every cube has exactly the same lightning as every other no matter where it is on the screen if you look closely the lightning is ...
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1answer
75 views

XNA draw texture/font and DrawIndexedPrimitives at the same time [duplicate]

When i Draw a texture2d or a font with spriteBatch and also draw GraphicsDevice.DrawIndexedPrimitives, the frame is draw weird SpriteBatch spriteBatch = new SpriteBatch(GraphicsDevice); BasicEffect ...
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3answers
659 views

Drawing 3D cubes with xna

I managed to draw a 3d cube using triangles like this: protected override void LoadContent() { basicEffect = new BasicEffect(GraphicsDevice); VertexPositionColor[] ...
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58 views

XNA sound effect loop cancel

I'm using SoundEffectInstances in XNA to play a tone. This means I have ~.005 second clips playing on a loop. It sounds fine, but I can't gracefully stop them because XNA gives a ...
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1answer
59 views

Multiple models not drawing

I got Camera, Terrain and player working, moving around, etc. When I try to add another player (another model to draw) it just dont any of the models. Here is my code; public class World { public ...
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2answers
184 views

Drawing image with an angle

Edit: the images below aren't supposed to have whitespace. I am just trying to show you that i am trying to create a rectangle from a 1x64 image, positioned as shown in the second picture I know how ...
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2answers
272 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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1answer
283 views

AI movement in 2D

I've got a prototype of a game I've been mocking up and found myself struggling to find a solution for AI movement in a 2D tile based game. Here's the issue: The player is free to roam throughout the ...
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206 views

XNA: How to capture precise time of button press?

I'm guessing the default XNA model encourages checking for button presses in Update(). However, I am developing a game-like application for research and need to measure reaction times as quickly as ...
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2answers
143 views

Voxel Engine in XNA - Block as Class Renders, Block as Struct Doesn't

Edit: I almost forgot to mention - when I place NEW blocks they render, but nothing triggers the originals to render (I have a button assigned to recalculate/redraw for every block surrounding (and ...
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1answer
109 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 ...
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1answer
106 views

Add XNA math references to non-xna project

I'm developing some game with server/client structure, and the client will predict the movements, but it should be validated by the server. In the client part, I got it moving nice, but now I'm trying ...
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4answers
97 views

YAW not working correctly with XNA

I successfully draw the model, and made it move forward and backward, but when I try to make it rotates (yaw) its not working correctly, like its moving too instead of only rotate. Here is my camera ...
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1answer
51 views

How to rotate model 180º with XNA

I got a model, and a camera pointing at this model, I think my camera position is the problem. Its showing the front of the model, but I want it to show its back like in third person. My camera code ...
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1answer
133 views

How to position a Weapons model in a first person shooter with XNA

I am building a first person shooter and positioning the weapons is hard. I am trying to get the bat to look like you are holding it but I keep trying things and they don't appear in the positions I ...
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3answers
578 views

2D Smooth Tile Lighting

I am currently working on a 2d platformer and have the general idea of how to apply 'lighting' to my level, but I am not sure at all how to make it smooth, similar to Terraria, as you can see here. ...
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41 views

fbx file asks for fbm file in xna?

I downloaded a bat model from the internet and I went to Blender, used texture and shading as I want, then I exported it as a fbx file. Next I placed it into my content pipeline and ran it but it is ...
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1answer
53 views

Porting WP8 to IOS GraphicsDevice Error (Monogame/Xamarin)

I seem to be having a problem porting to IOS. I have my game working on WP8 and Android with any major issues but when trying to run on iPhone I seem to get an error when initialising the ...
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2answers
144 views

Stuttering Character When Colliding With Wall XNA 4.0 Help!

I'm trying to make a platformer game without tiles. I've made a collision handler to handle collision between Player and Stage(platform)and a collision checker, here's the code: public void ...
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1answer
751 views

How can I map regions on a world map image?

I am trying to use a map of the real world, but I need to have a way to break it down by countries and regions. Ideally down to a province level. I figure that I'd need to be able to define ...
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1answer
260 views

Draw multiple triangle strips in one draw call DirectX

I'm running into a bottleneck where I'm drawing many basic disconnected colored triangle strips in DirectX 9 (XNA). The problem comes with drawing them all in seperate draw calls, so I'd like to batch ...
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88 views

Array Rectangle Collision Handling Inconsistency XNA 4.0 [closed]

I made a simple collision detection prototype.Here's the code for the Player class's collision handler: public void handleCollision(GameObject OtherObject) { ...
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1answer
104 views

XNA texture garbage collection

I use a Dictionary<string, Texture2D> for storing textures and every texture in the game is a reference to a texture from this dictionary. However when all references are gone, does the ...
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1answer
493 views

Issue with fps limiting in XNA

The game I am making runs at 60 fps, but occasionally it will drop lower than that. I want to limit the frame-rate to 30 fps so that those drops will be less noticeable. I don't understand everything ...