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

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3
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2answers
2k 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
vote
2answers
433 views

Should I draw directly on a CCLayer or a CCSprite?

Now I am a little confused in my cocos2d-x cpp project. I want to draw lines with user's finger touch. Following the screenshot of a CCScene: In the screen, there are two squares. I want show an ...
2
votes
1answer
102 views

Rotating a 3rd person camera toward a target

I have a 3rd person camera that doesn't look directly at the player but somewhere in front of him. When the user enter shooting mode, I want the camera to turn around the player to face the target. ...
2
votes
1answer
579 views

Not able to change the background of the scene in cocos2dx android

I have started Game Development using Cocos2d-x. And started with HelloWorld sample game. I am able to run this sample game. But when I try to change the Background Color, I am getting error in ...
2
votes
1answer
347 views

OpenGL Fast-Object Instancing Error

I have some code that loops through a set of objects and renders instances of those objects. The list of objects that needs to be rendered is stored as a std::map>, where an object of class ...
1
vote
1answer
94 views

2D World - How to represent my Game Objects graphically?

I want to code my own topdown 2D game with SFML+C++ that later shall have multiplayer functionality. Therefor I want to seperate the graphical and logical Parts of my game. All of my ingame Objects ...
1
vote
1answer
114 views

Run HLSL in C++ Basic Sample

I'm considering the idea of taking shaders written in HLSL and running them in an AviSynth plugin to process videos. This would allow accessing various shaders, and also to have GPU acceleration. I'm ...
1
vote
1answer
286 views

How do I Rigidbody.AddForce(Vector3) in Unreal Engine?

I am coming from the Unity Engine, and trying to get my feet wet with Unreal Engine 4.8.x. I want to add a one-time force to an object. To accomplish this in Unity 5, I would use: void Start(){ ...
1
vote
1answer
840 views

Need Help with Cocos2d Ver 3.3 AudioEngine

So I have 2 audio files that I want to play at different times: background.wav a sneeze.wav. I believe that I have to convert both wav files into mp3, caf and ogg files. Then I do this: static ...
1
vote
1answer
533 views

Playing a sprite sheet animation in Cocos2D-x

I'm trying to create an animation using a sprite sheet in Cocos2D-x. I'm doing the following. The game doesn't crash but the screen is still blank. bool HelloWorld::init() { ...
1
vote
1answer
347 views

Bullet 3D Physics Objects Not Rotating?

So I've got Bullet 3D controlling the motion of objects rendered with DirectX. In the clipping below I've got 2 identical rectangles & 5 balls. The lowest rectangle has a mass of 0 and doesn't ...
1
vote
1answer
788 views

glsl shader to allow color change of skydome ogre3d

I'm still very new to all this but learning a lot. I'm putting together an application using Ogre3d as the rendering engine. So far I've got it running, with a simple scene, a day/night cycle system ...
0
votes
1answer
19 views

Implementing a modal dialog from scratch with C++

Right now I'm implementing my modal dialogs in windows with a separate message loop after popping up the dialog. This straightforward an approach won't work with other systems that don't have message ...
0
votes
1answer
46 views

Why would this scaling matrix have no effect?

To draw a simple model using the DirectXTk, I'm doing the following. It all works perfectly, draws correct, and so on. Except changing the scaling factor makes NO difference, and I can't figure out ...
0
votes
1answer
29 views

Generic multiple containers derived classes for Entity System

I am working on an entity system for a game. I have read that cache is very important with the common operation of iterating over entities and their components. Currently I have a class World that ...
0
votes
1answer
31 views

Can't draw lines in 2D space with GLFW and OpenGL

I'm trying to draw a grid in 2D space using GLFW and OpenGL but for some reason I only get this on the screen: Here's my code: #include <GLFW/glfw3.h> #include <stdlib.h> #include ...
0
votes
1answer
66 views

How do I dynamically grow a voxel world in all directions with chunks?

I've organized a Voxel world already but the problem is that it can only "grow" outwards. As a result, there is a single corner where it grows from, then outwards from there on. I want to be able to ...
0
votes
1answer
24 views

Set the name of an animation in collada to be used by AssImp

I am using the collada file format to contain my model and animation but when I use AssImp to load the file the name will be empty for the animation. Where is the name for animation set on the collada ...
0
votes
1answer
34 views

How to Set HLSL Shader Input Textures?

Very simple question. With C++/Direct9, I'm creating a texture as RenderTarget with a full screen quad, creating a scene, setting a HLSL pixel shader, copying the image and then call Present. 1) How ...
0
votes
1answer
32 views

DX9 How to Apply HLSL Shader with StretchRect

Using DirectX 9,I'm trying to run a HLSL pixel shader on video frame data while copying it from one texture buffer to another texture buffer without displaying it. StretchRect at the end is what ...
0
votes
1answer
127 views

How to use PhotonPeer in Unreal Engine 4.8

I'm trying to implement PhotonPeer in Unreal Engine 4.8 but I'm stuck at the connect function. I need to provide an AppId, but nothing I try is accepted by UE4. Here's my code: DALGameInstance.h // ...
0
votes
1answer
92 views

How to get `Label::createWithTTF` to support RTL languages such as arabic

Firstly, I'm using Cocos2d-x v3.6, Visual Studio 2013 uses(UTF-8 without signature option) and C++. When using Label::createWithTTF method to write Arabic text, It appear like the following. ...
0
votes
1answer
113 views

How to Load a Level for use with the Bullet Physics Library

I am trying to use a level in .obj format loaded with Assimp to generate a btBvhTriangleMeshShape to use with the Bullet physics library. I can successfully load btConvexHullShapes as well ...
0
votes
1answer
201 views

DirectX11 Equivalent of OpenGL code

I am currently porting parts of my engine over to D3D11 from OpenGL and was trying to figure out how I would accomplish the following blending functions in D3D11. glEnable(GL_BLEND); ...
0
votes
1answer
135 views

Solitaire Game: Transferring Cards Design in C++

So, I'm working on a Solitaire game. I already created a the classes: Card, Pile, Stock. Each work as expected on it's own. My question is: What possible design for managing moving card(s) between the ...
0
votes
1answer
64 views

Why is each column being shifted down the X value of the column in my 2D Data Structure?

I have a two 2-dimensional arrays. One of which stores characters from a text file, and the other stores pointers to instances of Blocks. For some reason, in either of the arrays (I'm not sure which), ...
0
votes
1answer
34 views

FindNextValidTechnique fails

My effect file compiles successfully, but FindNextValidTechnique fails. Technique part of the shader: technique Diffuse { pass Pass0 { VertexShader = compile vs_2_0 ...
0
votes
1answer
35 views

Maya 2015 Collada mesh transforms not applied

I am trying to load a dae (Collada) model into my 3d engine. The problem is they export the vertices and transforms seperately. So in Maya 2015 it looks like this In the game engine I have it simply ...
0
votes
1answer
444 views

Skeletal animation with ASSIMP, COLLADA, and glm

I have been trying to learn how to implement skeletal animation (skinning) from COLLADA files using ASSIMP and glm. But after a week of being stuck reading different tutorials and posts I have found ...
0
votes
1answer
156 views

Cocos2d - Physics bodies randomly loosing Velocity along an axis after impact

This just started occurring and seems to randomly happen during, and between, game sessions. A dynamic moving body collides with a static body and instead of bouncing off looses (almost completely) ...
0
votes
1answer
137 views

Immovable object impact physics

I am trying to do some physics calculations from scratch, and as a result am creating a small bouncing ball example. However, I have some issues getting correct results from my impact physics when the ...
0
votes
1answer
203 views

Trying to implement Camera

I'm trying to implement a Camera class in order to walk and look on the world as follow: #ifndef _CAMERA_H_ #define _CAMERA_H_ #include <glm\glm.hpp> class Camera { public: Camera(); ...
0
votes
1answer
308 views

How to compute matrix transform local/world on OpenGL

I'm developing an OpenGL program where each object / entity contains m_WorldPosition, m_WorldOrientation, m_WorldScale and m_WorldTransform (Vector3, Quaternion, Vector3 and Matrix4f). The problem is ...
0
votes
1answer
598 views

How to render a vertex buffer in DirectX11 C++ (specifically with box2d's b2Draw)

I have all the DirectX11 devices etc setup and working with DirectXTK's SpriteBatch and currently attempting to implement a b2Draw class to draw my box2d physics worlds. I have little idea on how to ...
0
votes
1answer
352 views

Animation, Interpolation, & Structure

I have been working on animation in my small game engine recently and I am implementing some interpolation to be used with skeletal animations. I know how to do interpolation but I am not sure where ...
0
votes
1answer
155 views

Constant buffer not updating

I'm trying to rotate models independently of each other however I cannot for the life of my figure out how. I have gotten to the stage of writing this: std::vector<int>::size_type st = ...
0
votes
1answer
536 views

post on Facebook from cocos2d-x on windows phone

Is it possible to share/post on Facebook from cocos2d-x on windows phone. Is there any example/tutorial available.
0
votes
1answer
237 views

DirectX9 Drawing Sprites out of place due to offset

This is my very first time into DirectX. Im trying to make a simple 2D game, just for learning the basics. And i've achieved that. The next step is to draw an animation using sprites. For that, i ...
0
votes
1answer
876 views

using eclipse instead of visual studio for cocos2d-x project

im using coco2d-x v 3.0 i made a new windows project to test it and it is working but when i try to build and run a project using this command cocos run -p win32 it is print this error it seem ...
-1
votes
1answer
252 views

filling the empty spaces in a certain region in a grid using c++

Hi guys i am struggling to find the optimal way to fill the grid of a certain region. In the above example lets say my player is at (7,5) and traveled (2,0) and i have the information of all the ...
-1
votes
1answer
343 views

Slight pause/delay when moving

I've been working on this little framework for my game today and realized that moving delays when moving around. I've used SFML before and have had the same problem, but never bothered to fix it. I'm ...
-1
votes
1answer
123 views

Can not seem to adjust the speed of my Car

I'm programming in C++, rendering in OpenGL and using GLM for matrix/vector manipulation and I have implemented very (very) basic car controls; ignoring many forces that are present in reality. Since ...
-1
votes
1answer
178 views

Texture doesn't draw correct

I'm writing a game using SFLM and Opengl but when I create a terrain i got some OpenGl problems. I use heightmaps to generate a terrain but when I load the texture on it the texture is not correct ...
-1
votes
1answer
478 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
153 views

DirectX UV Coordinates not responding?

My UV coordinates never respond to me for some reason. It is just UV mapping itself in the smallest way possible. It's a tile-able texture and the program is subdividing so much I can't even zoom in ...
-1
votes
1answer
152 views

C++ Void and Constructor Method Problem with Loops

I am having a problem on the console game I am making. How can I decrease the health of the character or enemy with loopings? My code goes like this by the way for example: class RPG_Scene_Battle { ...
-1
votes
1answer
1k views

Windows Events lag behind

I'm making a simple openGL application and so far I can get the window to display, the update/render loop work, and it processes windows events (like WM_QUIT and WM_MOUSE). I've found though that ...
-1
votes
1answer
2k views

loading images to the backbuffer / direct3d / c++

i think i just found the solution. 1) the problem is that backbuffer surface and source surface are of different formats - that is why exception was thrown. 2) the image path needed double slash ...
-2
votes
1answer
109 views

Porting SDL OpenGL Game to Android and IOS

I am currently learning OpenGL (3.0+) with C++. I am using SDL for input handling, window creation, etc., GLEW to use OpenGL and call OpenGL Functions, and GLM for OpenGL Math stuff. If I fully ...
-4
votes
1answer
214 views

How Do Game Timers Work?

I don't understand the whole game timer things, I know XNA comes with one but im realying on VSync to do the work rather then a game timer. I know what they are It's just can someone show me of a ...