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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43 views

XNA Billboards dont have correct depth

Im back again with yet another problem :( My current problem is with my billboard effect. Im having trouble trying to get the depth correct so that billboards that are closer to the player are ...
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1answer
54 views

Good way to support multiple types of triangles? (C# XNA)

[this question is somewhat long. here's my question in a nutshell] I want to use multiple types of Vertex data types for my triangle, interchangeably. So if I have a generic type T private void ...
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1answer
135 views

Vector2 to 3D world coordinates

I think I am almost there, but not quite. I am trying to transform a 2D point, (in the following example (100,100)) into 3D world coordinates, in order to draw my 3D Model named TestModel in ...
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1answer
86 views

How can I test if one point can “see” another point. (XNA)

I want to test if my enemy can see the player, however I want this to be pixel-perfect. I already have all of the solid objects drawing into a separate render state. It should be noted that every ...
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1answer
91 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 ...
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0answers
55 views

Getting back to game page from xaml page problem. (Windows Phone 8.1)

I have implemented a xaml page where user can submit his score. I have managed to get the user to the xaml page, after 2 hours of struggling but I do not know how can I navigate the user back to the ...
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0answers
53 views

XNA/DirectX: Advanced 3D Sound

Im currently working on an xna game with c#. Ive been looking into 3D Sounds recently as this is the next objective on my list. Ive found several tutorials online and they dont work to the standards ...
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1answer
66 views

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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64 views

Xna: Basic shadows

I have been programming in xna for quite some time now an I would really like to get real time shadows working. I have shadows already in my game which I got from "reimers shadow map tutorial". The ...
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2answers
100 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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1answer
71 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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1answer
59 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
82 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
42 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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vote
2answers
46 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
41 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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2answers
61 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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0answers
67 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
72 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 ...
2
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1answer
114 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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1answer
61 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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0answers
20 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
141 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
29 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
52 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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1answer
93 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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28 views

XNA/XACT publishing help

So I'm trying to send off a demo to a friend to check out my game I started in XNA. It plays well when I'm debgging it on my computer w/Windows8 (and my other computer w/Windows7). I went to publish ...
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3answers
165 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
49 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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0answers
28 views

How to DrawUserPrimitives after Drawing a separate Vertex List

I am currently making a voxel based game and so far I have chunk loading working well. My voxels are stored in an array, then pushed to a VertexBuffer, then drawn as a triangle list. My problem is ...
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2answers
103 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 ...
0
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1answer
107 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
56 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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1answer
36 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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2answers
74 views

XNA My Texture's Transparency is shown Black

I am trying to draw an image on to the screen. My image is drawn correctly but the background color which is transparent is shown black. Why is this so? My code: spriteBatch.Draw(Texture, Position + ...
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0answers
69 views

XNA Get height at players position from heightMap

So i got a server and a client, at the server I only got this on Terrain class: public class Terrain { int Id; float[,] HeightMapData; int Width; int Height; Vector3 Position; ...
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0answers
63 views

Multi-textured terrain XNA-monogame

I'm developing a TerrainEngine for my project and I have some issues with the multi-texturing part. I already tried some techniques but it doesn't match with my TerrainEngine's conception. My ...
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0answers
20 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
66 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
63 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
38 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
127 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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0answers
34 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 ...
0
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1answer
53 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
145 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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1answer
148 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
204 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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1answer
111 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
97 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
57 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 ...