C++ is a statically typed, free-form, multi-paradigm, compiled, general-purpose programming language.

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Box2d capsule stumbles on ground

I am working on a game with box2d and sdl. I Created a character and some boxes as ground, but faced the problem where the character would run a few meters, and stumble on one of the boxes' edge. I ...
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28 views

Jumping to tiles in y coordinate before displaying all tiles in x?

I am learning how to load in tile maps and I have successfully done so, sort of. The problem is that the program is jumping to the tiles in the y coordinate before displaying all the tiles in the x. ...
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32 views

Boost vs cereal for Serialization

I am preparing to make a simple 3D game with OpenGL and one thing that came up pretty quickly was storing the required data. If I recall correctly, Java has a class called "ObjectWriter" which ...
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32 views

Non-real time simulation of overlapping repulsive balls

I want to make a non-real time simulation of overlapping repulsive balls, initially in 2D and later in 3D. With "non-real" I mean that rendering is not needed after each time step. First of all, ...
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31 views

C++ render Umlaute with Spritefont

I have a SpriteFont-Class and with that I render text to my game. Now my problem is, that it doesn't render Umlaute like ä, ü, ö, ß... Because I am German it is very important, that I can render these ...
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22 views

Methods to load .fbx using FBX SDK in binary data chunk

I am trying to acquire model information from .fbx in binary data chunk to see if loading time can be faster than regular accessing. For this purpose, I found a sample called "My Own Reader/Writer" ...
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27 views

Why does Intel Graphics Monitor crash after I set a depth stencil state in my Direct3D 11 application?

I'm programming a managed Direct3D 11 application with SlimDX. I want to use Intel Graphics Monitor to capture draw calls for a single frame. When I try to set a depth stencil state my application ...
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16 views

Cocos2dx : Lua with C++: lua_pcall closing my app

I'll try to explain what is happening with my current project: I want to make some custom scripts myself without using the lua script engine from cocos2dx, so I linked lua51.lib on Linker->Input, and ...
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61 views

Doing camera shake together with culling isometric tiles

Following this question, I've tried to do camera shake together with culling the tiles to no avail. The base code for camera shake is from this question. This is the code that I tried but failed ...
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32 views

Screen Size 2D Gameboard Background

I am trying to get the screen size of the current monitor and then render the game board to match the screen orientation but currently I am scaling the game board to a larger size which not the best ...
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44 views

Why won't my object go 3D DirectX11?

I am trying to make a 3d mesh within my code. For some reason it looks deformed, which makes no sense because I specified the vertices correctly I am pretty sure. Also sorry that I am posting loads of ...
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22 views

Pleats and folding

We have a C++ module that produces mesh dynamically and simulates it with a physics engine. We want pleats on the surface of our mesh, pleats that remain sharp and folded during simulation while ...
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71 views

C++ timer for game loop(consistency across machines)

sorry I have been searching for ages and can't seem to get a good answer that I can understand, I am trying to make a game in my universities TL engine, and I can create a timer class fine, but I'm ...
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30 views

Open gl blending problem c++

im creating project from nearly scratch in c++.. i created skybox and terrain . the result is catastrophic ! the terrain goes away and the ground also goes away,i dont know why ! i tried to disable ...
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78 views

How can I improve my ray casting algorithm

So I finished coding this ray casting algorithm in C++ and I feel like it could be improve, despite that, I believe that it is really good since it is coded using SFML. Here is the algorithm in C++ ...
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41 views

Get Mouse Location With Respect to any Camera/Object in Unreal

Am Currently working on a VR Project (First Person Shooter) where the Player can shoot any where on the screen. Am using Scene Capture to Texture method. The VR part is working fine. The Problem am ...
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54 views

Find which object is clicked on 3d scene

I am using GamePlay3D engine. I have on scene a couple of 3d objects and I want to make them clickable. How to find when I click which Node/Object contains given projection point? I tried with code ...
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23 views

Custom Scene Component Do Not Register Children

I have made a class that is derived from USceneComponent which contains 4 references for itself and two UStaticMeshComponents. Simply I am trying to make a tree structure. When I first create actor ...
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81 views

A 2D card game using OpenGL

I am creating a 2d card game. I have written the low-level functions, game logic, game algorithms in C++. I now have to create a graphics layer that the player can interact with. This just has to be ...
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120 views

How do I draw a tilemap in SFML (C++)?

I've been working with SFML and I've used what I know to try and create a TileMap. However, opening the RenderWindow will only display a black screen and the image I have loaded in the files will not ...
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29 views

Failed to understand how to use glm::unProject (OpenGL 4.3)

Situation: I use OpenGL 4.3, FreeGLUT 3.0, and GLM library. Let say i have a simple 2D object (a ball) and it moves accordingly to the simple equations: x = x_0 + v_0 * t * cosf(alpha); y = y_0 + ...
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46 views

What is the best way to group lots of squares into one VBO?

I'm making my first game in OpenGL, using procedural generation, and it is a similar concept to Terraria. At the moment, I have one, very small VBO for a square ('block') and an EBO for its vertices. ...
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87 views

Cubemap texturing issue D3D11 (C++)

I have a texture problem with the cubemap I'm rendering and can't seem to figure it out. I've generated a cube map with direct x's texture tools and then read it using ...
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60 views

Can't display sf::text using custom class, crash

I have my own Text class which uses sf::Text to display text on the screen. First I couldn't get the text to display on the screen, my solution was that I forgot to give the text a font before ...
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43 views

Any call to framebuffer methods causes crash. (MinGW)

For a long time, I have been using LWJGL. This library is pure awesomeness, however I was looking into learning the lower level API that was used in C++. I am new to the idea of pointers and other ...
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92 views

Entity-Component-System and 2D map with tiles : how to do it?

I have a question : I'm currently programming a roguelike game (with tiles) using the ECS programming paradigm, and I'm struggling with how to implement the map. At first, I made every terrain square ...
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36 views

A reference to a Blueprint Game Mode

I am new to Unreal Engine with a very basic knowledge of working with the blueprints and code together. I am having trouble with making a reference of my Blueprint Game Mode in the code. The question ...
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63 views

SDL touch input on Android (3D camera rotations)

I have a question regarding rotating a 3D camera on an Android device using SDL for touch inputs. The desired effect should be when the user touches and moves their finger on the screen the camera ...
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210 views

Setting Up A Visual Studio 2015 Android C++ Project To Utilise The SFML Library And compile On An Android Device

So in Visual Studio I have installed the cross platform tools to set up a C++ project for Android and iOS such as the Android SDK, NDK and the corresponding USB drivers required to debug the program ...
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95 views

OpenGL: Making a Cube Class with Interleaved Color Data?

So, I am trying to make a basic "Drawable" class that handles a lot of the drawing for me in the background and I want to use modern OpenGL (no begin and end statements). I keep just getting a blank ...
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19 views

Box2D revolute joint positioning

I'm trying to auto test some basic assumptions about how bodies tied together with a revolute joint should be positioned: void tst_GameController::physicsJointInitialPosition() { ...
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95 views

What is a good way of handling shaders?

I'm currently reading this book and are at the chapter about the rendering subsystem of a game engine. Now, the book suggests that a material is a structure that provides information on how to shade ...
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96 views

Translation & Rotation Transform Hierarchy

I've struggled to find a hierarchical transform class in C++ that is similar to that of Unity's (without scaling) that uses quaternions as opposed to matrices. So I figured creating my own wouldn't be ...
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48 views

Ogre3d Code:Blocks Linux

I want to create a Ogre3d project at CodeBlocks at Linux. But the tutorial from OgreWiki doesn't show how to do it, it only shows how to compile Ogre3D at Linux. So anybody created project at Linux ...
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39 views

My texture is doing weird, either not loaded correctly or not rendered correctly. DirectX11

I'm loading a texture from a file called owl.png. But it renders really weird. Original picture(512 X 512): But it renders like this: It's rendered on a square, that is initialized like this: { ...
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146 views

Octree Frustrum Culling

times came when i had to implement some culling into my engine. I started by reading some stuff and so far so good. I managed to create an octree which can effectivly divide my geometry's vertices ...
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30 views

Platformer Tile Map Collision Help

I've been working on a small platformer as a simple project but, I'm having troubles with my collision detection. What I want is that as the player falls due to gravity, it will stop when it touches ...
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113 views

How do I hide the navigation bar in Android using the NDK? C++

I can't seem to enable immersive mode in android using the NDK. The only code that I've found relating is AConfiguration *config = NULL //AConfiguration_new(); ...
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53 views

RakNet & Allegro Client/Server Program Lagging?

I have a simple RakNet program that I wrote up with Allegro, and when I run the program and connect the Clients to the Server, they program starts to lag and uses up practically all of my CPU. I ...
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32 views

Having trouble running OpenGL on MSVC

I'm using the OpenGL Programming Guide, 8th Edition with MSVC 2013 but I can't get the triangles.cpp file to run. These are the errors popping up: http://puu.sh/jAokn/c07420cf46.png
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119 views

Creating A Selectable Object in SDL/C++

I'm trying to create a clickable object. I wrote a pseudo code to try it. When I add a new member to object it works fine, that is when I hold the mouse cursor on the rectangle determined it returns ...
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49 views

OpenGL Quad Tessellation - What kind of VBO?

I'm just getting into tessellation and after drawing and tessellating a triangle, I want to try a quad. If I change the TCS to output 4 vertices, the TES to expect a quad and the patch size to 4, only ...
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23 views

Making a UDK server - with custom loadouts

Basically I need some help with creating a UDK server on my custom map. I have a Custom Main Menu that has four different weapons to choose from. Once you click on the weapon of choice i want to be ...
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31 views

Cannot include CCTableViewDataSource in Cocos2d-x

I found a tutorial in programering.com that show me how to create a scrolling list. But when i tried to follow this tutorial i realize that i have a problem with inheritance. I'm using Cocos2d-x ...
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222 views

Speed up the DirectX game - how else can I boost the fps with typical triangle drawing?

I am writing my own c++/DirectX engine. I've made the basic framework and here comes the time for optimizations. I don't want to focus on optimizing the resources themselves right now (meshes, ...
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86 views

Image speeds up while moving and or rotating instead of constant speed

I'm having a problem with rotating/moving an image. I've set one of my images to rotate on it's z-axis buy updating the angle, but when I run my game, the image starts slowly starts to rotate from a ...
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44 views

OpenGL, glDrawElementsInstanced behaving differently on NVIDIA GPU than AMD

I have an AMD GPU on my desktop, AMD HD 5770. I am working on a project on my desktop for over a year. In the scene, I have instanced grass and instanced trees. Everything is working fine on desktop, ...
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90 views

OpenGL, Multithreaded loading/streaming of data

I've thought about how i could implement loading of data in a second thread for two reasons, first, so i can show a nice loading-screen with progressbar and second, for openworld streaming. I came up ...
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30 views

Device.SetRenderTarget Prevents Shader From Executing

Using DirectX 9 and C++. I'm trying to finalize this code to run a HLSL shader on in-memory data. In theory it should be working. In practice the shader doesn't run. ...
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102 views

Sphere texture mapping using Directx 11

I have a spherical panoramic image which I would like onto a sphere and centre it around the camera so I can look around the image, how should I best go about this? I will be using DirectX11. ...