Tagged Questions

1
vote
0answers
89 views

Numerically stable(ish) method of getting Y-intercept of mouse position?

I'm trying to unproject the mouse position to get the position on the X-Z plane of a ray cast from the mouse. The camera is fully controllable by the user. Right now, the algorithm I'm using is... ...
2
votes
1answer
288 views

How to handle input for both UI and game

So I originally had my input system set up with only the game part in mind. It listens to keyup/down events, marks the key as pressed/unpressed and then when the next update comes around, it sends ...
1
vote
1answer
125 views

Vertex data from a buffer

I'm using a geometry shader to generate polygons for my voxel terrain (marching cubes). The data is output into a buffer using the method shown in the article I link to below. ...
0
votes
0answers
280 views

Problem loading shaders with slimdx

I'm attempting to load an FX file in slimdx, I've got this exact FX file loading and compiling fine with XNA 4.0 but I'm getting errors with slimdx, here's my code to load it. using ...
0
votes
1answer
236 views

Why do I get an exception when playing multiple sound instances?

Right now, I'm adding a rudimentary sound engine to my game. So far, I am able to load in a WAV file and play it once, then free up the memory when I close the game. However, the game crashes with a ...
1
vote
2answers
344 views

DirectX Flicker

I'm using DirectX 9 via SlimDX (C#). My screen flickers a lot during rendering. I dug a little deeper and see that the surface is being cleared early. Here's an example: ...
7
votes
2answers
846 views

Calculating a quaternion so a bone points in a specified direction

In an attempt to solve this question, I decided to figure out the absolute (world space) directions of each joint in the source pose (as normalized unit vectors), and then rotate the joints of the ...
0
votes
1answer
463 views

E_FAIL: An undetermined error occurred (-2147467259) when loading a cube texture

I'm trying to implement a skybox into my engine, and I'm having some trouble loading the image as a cube map. Everything works (but it doesn't look right) if I don't load using an ...
4
votes
1answer
333 views

Per-vertex position/normal and per-index texture coordinate

In my game, I have a mesh with a vertex buffer and index buffer up and running. The vertex buffer stores a Vector3 for the position and a Vector2 for the UV coordinate for each vertex. The index ...
2
votes
3answers
883 views

Tutorials for Managed DirectX development? [closed]

Are there any good tutorials, for someone new to DirectX development? I'd like to use the SharpDX library in a project, but am completely new to this sort of graphics programming. I'm looking for a ...
0
votes
0answers
760 views

XNA Gaussian blur on SlimDX

I am trying to implement the bloom effect, available in XNA http://create.msdn.com/en-US/education/catalog/sample/bloom, but with SlimDX and directX9. My problems begin with the gaussian blur, ...
0
votes
2answers
2k views

Adapting DirectX samples to SlimDX

I'm trying to learn DirectX and SlimDX but I'm having a terrible time getting started. I'm taking the Triangle tutorial and trying to add color and transformations. Starting with controlling color, ...
4
votes
1answer
1k views

How do I create a CPU read/write buffer in SlimDX (what are the legal combinations of Usage and CPUAccess flags)?

Currently, I create a vertex buffer in SlimDX like so: SlimDX.Direct3D11.BufferDescription Description = new SlimDX.Direct3D11.BufferDescription(); Description.BindFlags = ...
3
votes
2answers
1k views

What is the “DirectX for Managed Code Update”?

I came upon this site while looking for information about working with DX in managed code and saw that MS released something containing a 'DirectX for Managed Code Update'. This sounds promising but ...
0
votes
2answers
381 views

DirectX 10 - determining if hardware device is available

I am writing an offline renderer using SlimDX and Direct3D 10 that will need to be run on machines without graphics cards (servers). On these machines, I'll be using the WARP software renderer. Is it ...
3
votes
2answers
2k views

How can I draw multiple lines connected via “nodes” with SlimDX?

I currently read out XML data with the following scheme: Position x,y,z I try to add one new Vertex for each position node and add it to a Vertex array. Then I try to render this list of vertices so ...
-2
votes
1answer
219 views

Problem while loading an image for a texture

I have built a slideshow in slimDX and is scrolling a text at the bottom of the images. But I am running through a problem that when my new image is loaded in by the help of Texture.FromFile() ...
1
vote
2answers
869 views

Pixel Shader Giving Black output

I am coding in C# using Windows Forms and the SlimDX API to show the effect of a pixel shader. When I am setting the pixel shader, I am getting a black output screen but if I am not using the pixel ...
-1
votes
2answers
455 views

How to do gradient transitions using slimdx?

I am making an image slide show using slimdx and c#. Till now I have done transitions using the matrix transformation but now I am trying to make transitions using some gray scale background image. ...
3
votes
2answers
1k views

Understanding DeviceContext and Shaders in Direct3D/SlimDX

I've been working through this tutorial about drawing triangles with SlimDX, and while it works, I've been trying to structure my program differently than in the tutorial. The tutorial just has ...
5
votes
1answer
2k views

XNA or SlimDX (DirectX 10) for multitouch rhythm game simulator

I'm looking to develop a multitouch rhythm game in C#. It is aimed to be a simulator for an existing arcade game, similar to this: http://www.youtube.com/watch?v=TAiNNpA3wwg So far, I've decided on ...
2
votes
2answers
1k views

How to load a mesh from the .X-format in DirectX10 via SlimDX?

As of DirectX10, the usual functions to load a mesh in the .X-format are marked as deprecated and they are DX9 functions anyway. How can I load a mesh from the .X-format into an ID3DX10Mesh object ...