The C programming language.
-1
votes
0answers
45 views
SDL Callback is repeating non stop?
We have successfully called our callback function in SDL Audio with the following setup.
struct {
SDL_AudioSpec spec; /* SDL Audio Spec Structure */
Uint8 *sound; /* Pointer to wave data */
Uint32 ...
3
votes
2answers
119 views
Using quaternions, how do I determine if an object is upside down from an original rotation?
Imagine this scenario: An object is laying flat on a horizontal surface, from this an original rotation is determined. Then the object is moved, and at some point flipped upside down and put back down ...
2
votes
2answers
143 views
Is it possible to use DirectX in pure C program?
I want to try something simple with Direct Sound. Just want to know if it's possible.
Or maybe I need some other API?
3
votes
3answers
107 views
Should I use select() for networking in my gameloop?
I'm writing a simple networked game in C/C++. To keep things simple I'm using TCP.
In my server's game loop I'm using a POSIX select() with a zero second timeout for two things:
Discover incoming ...
0
votes
1answer
66 views
Luminance increase in SDL
We have managed to create grayscale picture using the following snippet of codes in SDL. What we need to do now is how to first convert into YUV or YCrCb for it be able to set the luminance value and ...
0
votes
1answer
128 views
SDL gray scale image from a a color image?
I am new to sdl. I have basically have the following codes which can load the images. I know how to access the pixel as below. What I need it to convert the image to 8 bit grey level and 1 bit ...
0
votes
1answer
91 views
Can you use python, c and c++ in udk without plugins?
Im pretty new to game engines and i was wondering if I could use python, c and c++ in udk. I've tried getting the answer all over the internet but the answers i do find aren't very clear. So am i ...
0
votes
1answer
106 views
Creating a fragment shader to darken a white texture over time - OpenGL GLSL
So as a part of learning OpenGL, I've now decided to try and be a bit more creative with shaders, as part of a practice game I'm making using C/OpenGL.
I'm completely new when it comes to working ...
1
vote
0answers
86 views
GLX/X11 Changing the rendering resolution
I have made a simple application that creates a window with an OpenGL 4.2 context and takes user input.
I have implemented making the window go fullscreen with XRandR and can change the display ...
1
vote
1answer
102 views
Understanding the z-axis vector from OpenGL modelview matrix
I would like to shoot spheres in the current view direction in a simple scene. I use an FPS camera, so no z-rotation. The vector pointing in the correct direction should be (m[8], m[9], m[10]) where m ...
0
votes
1answer
188 views
Node.js/V8 as a Platform for High End Local PC Game Development?
As a Web/UI dev rapidly expanding into more wide-open generalist territory, the more I learn about how its done in other languages, the more I love JS for architectural and basic ...
2
votes
1answer
193 views
glfw3 key_callback integration with c++ class
I'm trying to wrap the GLFW3 calls into a single class:
class WindowManager {
private:
GLFWwindow* window_;
GLFWmonitor* monitor_;
Keyboard* keyboard_;
...
}
And I'm trying to setup a ...
1
vote
1answer
148 views
does glBindAttribLocation silently ignore names not found in a shader?
Does glBindAttribLocation silently ignore names that are not found? For example, in a shader:
// Some vertex shader
in vec3 position;
in vec3 normal;
// ...
And in some set up code:
// While ...
1
vote
1answer
135 views
Score system for “little bit more complex” snake game
I have created snake game.
I can't think of good score system so that is is fair.
There is only one highscore list for all modes.
Player can choose any size of board
- Let's call that param "Board ...
0
votes
0answers
46 views
OSX: Capture Key Event While using OpenGL
I have code that renders a triangle using OpenGL. I would like to control it using the arrow keys on the keyboard.
Anyone know how I would do this on OSX? I think I can create an Objective-C file ...
