C++ is a statically typed, free-form, multi-paradigm, compiled, general-purpose programming language.
1
vote
1answer
69 views
Flip the whole Directx output horizontally (mirror the output)
I would like to flip the whole fullscreen directX output horizontally so that the final output is presented mirror inverted.
Is there a way to create a IDirect3DDevice9 instance which produces ...
-1
votes
0answers
92 views
2D scrolling background sprite, Direct X, and C++
Here is a quick rundown of my problem. I am trying to make a 2D scrolling shooter, using a sprite to render the background. This works fine by itself, it has the scrolling effect I am looking for. The ...
1
vote
0answers
30 views
Bullet btGeneric6DofConstraint and btGeneric6DofSpringConstraint constructor arguments
I have a very simple (and maybe too primitive to post here but I’ll try anyway :P) question about Bullet constraints. What are arguments const btTransform &frameInA, const btTransform ...
0
votes
1answer
59 views
OBB collisions in Buildings
So I decided on using OBB as the main collision detection in my 3D game but I started to wonder how OBB can be used to detect collisions if a player is in a building, an object you can walk into. ...
0
votes
0answers
51 views
textures and bouncing balls inside a cube [closed]
i have a cube with texture but when i add 3 balls so that they bounce on the walls of the cubes everything seemed to be wrong,the balls are not bouncing in the right directions, i want them to bounce ...
-1
votes
1answer
122 views
Why does OpenGL doesn't draw anything to the screen? [closed]
So, I was following the tutorial by Swiftless for openGL 4.x. The program that I created by following his tutorials doesn't output anything. I've tried checking shaders for errors - I don't seen any ...
0
votes
1answer
49 views
Implementing Frame of reference for physics calculations
How would I alter physical calculations to account for frame of reference of a physical body?
Currently I have a world that is a collection of rigid body objects that act on each other. There is no ...
0
votes
2answers
185 views
What beginner level game should I practice developing that has all the basics of game development? [duplicate]
I am a fresh graduate of Computer Science and am very nervoud for my skills test next week. So I have only about 4 days left till the exam and I really want that job which is game development.
They ...
3
votes
2answers
90 views
Clipping a windows draw area - Direct x 9 and c++ - 2D using D3D
DirectX 9, C++... Let me set the scene:
I have a 16:9 image.
I have a 16:10 screen.
I want the 16:9 image to be drawn so that it is vertically centred within my 16:10 screen.
My 16:9 image is 1920 x ...
1
vote
1answer
84 views
FBX Importer - Texture Name
I have a problem with the FBX SDK. I read in the data for the vertex position and the uv coordinates. It works fine, but now I want to read for each polygon to which texture it belongs, so that I can ...
-1
votes
1answer
120 views
Changing map 0,0 origin to top left while using D3DXMatrixOrthoLH
Thanks to Tetrad (for pointing out D3DXMatrixOrthoLH ) I have figured out how to set it up in DirectX9. However, the problem I am now facing is my 0,0 mouse position is now in the middle.
What I ...
-1
votes
1answer
112 views
OpenGL/SDL2 window stopped rendering [closed]
I have been working on a game engine for a couple of days now and I've had it rendering a colourful cube and playing sounds in OGG format, but, after refactoring my code-base to make things easier; it ...
0
votes
1answer
119 views
Render just the pixel under mouse cursor in DirectX
I'm having difficulties rendering just a single pixel which is on the defined coords of viewport. I'm using D3DXMatrixPerspectiveOffCenter function, but the result is not what I expected.
Here is ...
1
vote
1answer
29 views
Select display adapter in D3D9
I have a notebook that has 2 graphics card one Intel and one nvidia graphics cards.
When I want to start my game I right click on the exe file and select run with graphics processor->Nvidia but my ...
2
votes
1answer
166 views
How to create a 2D ocean effect in cocos2dx and box2d for iphone, android, windows phones
Currently my game needs a top ocean view. Can this ocean effect done using box2d? or should I dive into write my own physics (liquid/water simulation). Ideas and suggestions are welcome.
-1
votes
1answer
89 views
SDL Access Violation
I've created a SDL game project and this window popped up while trying to compile:
First-chance exception at 0x00000000 in SDL_Game.exe: 0xC0000005:
Access violation executing location 0x00000000.
...
-4
votes
1answer
88 views
C++ SDL/SFML advancing help [closed]
I've been playing around programming using SDL and SFML for a while now and done all the basic tutorials I can find(love lazyfoo).
but I'm stuck and not sure how to move on from simple games like ...
3
votes
2answers
172 views
Grids and vertices
I have no idea what this is even called or even to start searching how to solve this problem. So figured I would post here for any information at all. Specially looking for already known solutions to ...
3
votes
1answer
131 views
variable number of lights in a glsl shader?
I want to render an arbitrary number of lights in my fragment shader. I do not understand how you can properly pass them into the shader though. For example, I want something like this:
uniform int ...
0
votes
0answers
171 views
Optimal OpenGL 2D Sprite Batching (Best Practice)
I am working on simple 2D engine using OpenGL (3.3+) for rendering and was wondering what the optimal method of sprite batching would be. I plan to put all sprites into one (or fewer) texture atlases. ...
1
vote
1answer
98 views
Increasing flexibility of a data passing system in a component based entity system
I'm creating a Component orientated system for a small game I'm developing. The basic structure is as follows: Every object in the game is composed of a "GameEntity"; a container holding a vector of ...
8
votes
2answers
213 views
Using Editline for an in-game console
I'd like to add an in-game console to a C++ game that I am creating. Although rendering the console and parsing the commands I'm fine with, the text input and editing aspect (e.g. handling left / ...
1
vote
1answer
123 views
Object Detection
I'm building a collision system for my 2D game, broadphasing (sweep and prone + pair detection) works. But I don't know how to separate pickup objects, tiles and the player from each other.
My ...
3
votes
3answers
172 views
How to remove text from a command line box?
I'm currently writting a text based game and am currently having a slight issue where all of the text on the screen keeps going up and have had a couple of the testers complaining that it makes the ...
-1
votes
1answer
93 views
Overload C++ functions in lua [closed]
I have had a look around but I believe this to be impossible due to compile time of c++.
However is it possible to have a class registered in lua and c++ that has a overload update function which I ...
-1
votes
1answer
61 views
simple win32 window wont show [closed]
The program compiles and runs successfully but does not show a window, it simply ends immediately.
#include <Windows.h>
LRESULT CALLBACK WndProc( HWND hwnd, UINT message, WPARAM wParam, ...
1
vote
1answer
142 views
Creating the Animations in C++ from 3DS Max
I'm reading from the FBX format and I'm using Bones to animate an object, and I'm at the point where I have to decide on the code that actually moves the vertexes.
So far I thought on two methods:
...
0
votes
1answer
127 views
Ogre3d or OpenGl or other [closed]
I want to learn Graphics for games or use a game engine. I don't know whether to use ogre3d, I know its a rendering engine however android isn't really supported, Boost is used for multithreaded when ...
0
votes
1answer
128 views
How do I make multiple instances of an object?
In a game I am working on, I am having an issue with making the player's ship shoot multiple bullets. The bullets have individual X and Y coordinates and velocity for X and Y. When I press "SPACE" to ...
1
vote
1answer
371 views
How to implement a basic arcball camera in OpenGL with GLM
I only just started learning OpenGL and even things like vector maths etc a couple of days ago, so I am having a bit of trouble figuring out exactly what to do to implement an arcball camera system.
...
1
vote
1answer
62 views
changing depth stencil state in DirectX11
An example from Frank D Luna's 3d Game Programming with Dx11 shows the following effect technique:
technique11 DrawTech
{
pass P0
{
SetVertexShader( CompileShader( vs_5_0, DrawVS() ) );
...
4
votes
2answers
169 views
generating animations in runtime
i am creating my 3d game engine using Opengl.
this question might sound stupid to you but i am still in the process of learning, i have a 3d animated girl that slaps guys of different talls on the ...
1
vote
2answers
203 views
How can I manage large numbers of objects in a physics engine? [duplicate]
MY friend and I are programming a game and I decided to give the physics engine a try. I was able to get a class working where it would calculate out the total force on a model and apply the correct ...
3
votes
2answers
299 views
How to achieve smooth movement with a fixed timestep
Previously in the update method of my game I was using a variable time step which provided very smooth movement of a player sprite except when the frame rate would drop, even slightly. At that point I ...
2
votes
0answers
90 views
Decomposing a concave mesh into a set of convex meshes
I'd like to be able to decompose a concave mesh into a set of convex meshes for 2 reasons:
Transparent rendering
Physics shapes
Is there an algorithm that takes a set of triangles (concave) as ...
11
votes
4answers
779 views
Game architecture / design question - building an efficient engine while avoiding global instances (C++ game)
I had a question about game architecture: What is the best way to have different components communicate with each other?
I do really apologize if this question has already been asked a million times, ...
13
votes
6answers
1k views
Is C++ necessary to learn if I ever want to get a job in the game industry?
Is C++ necessary to learn if I ever want to get a job in the game industry? I am extremely familiar with C# and have a basic mastery of making 2D games in XNA 4.0. Right now I am only 13 years old and ...
0
votes
2answers
112 views
Proper opengl learning curve + tools [closed]
My first post here, so at first i would like to say HI to everyone!
Had a course of computer graphics at my uni and got interested with opengl. Unfortunatelly we used it with java + jogl + some funky ...
1
vote
0answers
77 views
Replacement memory allocators - pros and cons [duplicate]
I am developing a hobby project to learn game engine development and to have a platform where I can test new ideas and have fun. Currently I have a quick-and-dirty multiplayer server and client using ...
0
votes
0answers
60 views
Free glut game loop [duplicate]
I'm trying to make a game with freeglut, but im still learning it and I don't fully understand what the looping does or whether I have to call it myself,
I've already read this article A good way to ...
1
vote
2answers
108 views
Exclusive mouse movement with WM_INPUT
Microsoft seems to recommend using WM_INPUT for input. I want to only get relative mouse input and hide the mouse cursor all together for a short while (For gesture based input). However, using ...
0
votes
0answers
37 views
How do you make a “game loop” when your making a game with freeglut [duplicate]
Ok so I'm trying to make a game using freeglut, and I understand that you create the display loop by using glutdisplayfunc(), but I've heard a lot about not puttin the game code (like collision ...
-5
votes
2answers
204 views
Why are graphics engines writern in C/C++, when games are GPU bound? [closed]
What performance benefits a low level language can give to the engine, when the game is dependent on the GPU?
0
votes
1answer
77 views
Approach on how to split game assets into split archives
With a custom binary file format for archives that is structured similiar to Valve's VPK files I have a Game.index.gcf which holds information about all files and where exactly they are stored. I can ...
1
vote
1answer
86 views
Delta Time in Videos
When playing a Video in my OpenGL Game (e.g. startup video), I want to sync it with my delta time. What is the delta time and how to use here.
Do I need to sync with the delta time (and how?) or is ...
1
vote
1answer
112 views
Driver error when using multiple shaders
I'm using 3 different shaders:
a tessellation shader to use the tessellation feature of DirectX11 :)
a regular shader to show how it would look without tessellation
and a text shader to display ...
2
votes
1answer
126 views
Generated Perlin noise is not coherent (sharp edges) [closed]
I'm having a bit of trouble implementing Perlin Noise, I've included an example the problem below. I've tried debugging but everything appears to be working correctly, and I can't figure out what's ...
2
votes
3answers
360 views
Pong collision detection
I am making Pong... again. Anyway, the collision detection. In the past, I had gotten it working, but it used a bunch of globals, and other nasty things. This time, I am trying it where I have a ...
1
vote
4answers
146 views
Checking game objective status in efficient way on each update call
I am creating a 2d mobile game where there are three levels. Each level has 20 objectives. This can increase in the future.
Examples:
Level 1
Current Objective: 2/20
Objective : Collect 1000 coins
...
0
votes
2answers
73 views
Problem reseting device when using render target
How can I reset the device when I am rendering to a surface, and then stretching that surface to the back buffer. If i don't change the render target everything goes well, but when i change the render ...
