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

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3
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1answer
86 views

FBX Importer - Vertex Color

I imported vertex positions, indices and normals successfully in OpenGL using fbx sdk, but I just can't figure out how to import vertex colors. I tried to fetch the pointer to array of colors trough ...
2
votes
1answer
527 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
337 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
48 views

3D GUI Shader Problem

So I want to create one of these in my directX11 project. The little axis there that shows you the direction. I have a nice 3d shader for my world geometry that I tweaked from Frank D. Luna (He ...
1
vote
1answer
91 views

How to draw an ellipse with DirectX 9?

I can draw the outline of an ellipse but I want to draw a filled in ellipse, but I can't seem to get the code to work. Any help would be great! I am using DirectX 9 and D3DX.
1
vote
1answer
266 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
263 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
642 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
14 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
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1answer
77 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
36 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
30 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
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1answer
22 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
55 views

Orthographic viewport zooming

I'm a bit new in opengl so please bear with me. I have a viewport window like this I have implemented zoom in/out features using the arrow keys. The problem is it zooms in and out with the whole ...
0
votes
1answer
28 views

How can I get the “SelfActor” in OnBeginActorOverlap?

The signature it takes is void ( AActor* OtherActor ) However, The actor that is handling this event is not involved in the overlap. How can I access the actor that owns this delegate? Assuming I ...
0
votes
1answer
109 views

Best way to handle movement input?

I'm currently developing a RPG movement system in c++, and tried to use the State Pattern/State machine for this, but AFAIK I would have to check each movement key in every state.(right?) Is there a ...
0
votes
1answer
19 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
89 views

Handling (spawning/removing) entities in SFML

I am unsure which method to use to handle my enemies in SFML. The idea that I am trying to recreate is to spawn enemies every so many seconds. Initially I wanted to do this using a vector such as ...
0
votes
1answer
46 views

How can I manually syncronize render calls with a monitor's refresh rate in Direct3D 9?

I have an application that utilizes Direct3D 9 to render 3D graphics. I'm trying to manually control the number of frames rendered in a given second. Here is pseudocode: while( bInGame ) { // ...
0
votes
1answer
62 views

Help with scoring system and score multiplier

I am new to the scripting world and I am currently trying to add a score multiplier to the game code I am working on. Right now the score is set to increase as the player runs across the level however ...
0
votes
1answer
188 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
26 views

Loading Indices Collada File

I have been writing a COLLADA loader in c++ and I have run into a problem loading the indices for the mesh vertices whenever I try and find what indices correspond to the vertices and I try and draw ...
0
votes
1answer
69 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
65 views

calling joystick's force effects in C++

I want to use c++ to call the joystick's force effect if it leaves the parameters. I'm using Logitech Force 3D Pro. For example, when the joystick's cursor goes outside the box, I want the joystick to ...
0
votes
1answer
69 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
57 views

How to merge 2 textures into single SRV

I have 2 textures in 2 different ShaderResourceViews. What's the fastest/least expensive way to merge them into one? I would use CopySubresourceRegion but copying a texture is quite a bit expensive. ...
0
votes
1answer
380 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 ...
0
votes
1answer
138 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
194 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
341 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
244 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
134 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
123 views

accelerated curved bounce

I'm trying to make a simple pong clone and want the ball to curve when the racket was moving on hit. To test out curves I removed all the rackets and just have a ball bouncing around in a rectangle, ...
0
votes
1answer
441 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
172 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
783 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 ...
0
votes
1answer
704 views

How do I determine the look-at vector of a free-look camera?

I'm trying to create a free-look camera with DirectX 10. I've figured out how to get the directions for forward and back and left to right. However, I don't know how to rotate the look-at vector of ...
0
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0answers
68 views

DirectX9 Normal/Bump Mapping Weird Texturing Artifact

As you can see the artifact here is like a triangle of the mesh getting more light. The important part of my code is below. This is the vertex declaration. VertexElement[0].Stream = 0; ...
0
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0answers
124 views

Libnoise producing completely random noise

I am using libnoise in C++ taken and I have some problems with getting coherent noise. I mean, the noise produced now are completely random and it doesn't look like a noise. Here's a to the image ...
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0answers
84 views

How to raycast select a scaled OBB?

I have the OBB picking code to select an OBB with code inspired from Real time Rendering 3 and opengl-tutorial.org. I can successfully select objects that have been moved or rotated. However, I cant ...
0
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0answers
157 views

How do I find the camera direction vector for 3D sound purposes? (C++, DirectX)

Question I'm trying to make a sound class for playing 3D sound effects with DirectSound and DirectX, without using DirectSound's 3D libraries. The plan is to have every game object constantly play ...
0
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0answers
60 views

2D Quads Depth Rendering (DirectX11)

Ok. Did the searches, found some answers that weren't related and a lot of answers telling people to search... Sooo, anyway, pretty simple question. Just looking for a simple answer, no need to go ...
0
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0answers
99 views

Bounding box center after transformation - want degree values for GUI

Similar to my previous question, I have a bounding box that I have transformed and scaled. Now, I want to get its center by doing this operation and store this value. bbCenter = glm::vec3(bbMin_x + ...
0
votes
0answers
84 views

alBufferData() sets AL_INVALID_OPERATION when using buffer ID obtained from alSourceUnqueueBuffers()

I am trying to stream audio data from disk using OpenAL's buffer queueing mechanism. I load and enqueue 4 buffers, start the source playing, and check in a regular intervals to refresh the queue. ...
0
votes
0answers
206 views

Separating Axis Theorem Issue

I am trying to create a 2d top down shooter using DirectX 11 (Windows 8 Store) and I am trying to implement OOBB collision using the Separating Axis Theorem. However I appear to have run into an ...
0
votes
0answers
350 views

Why does Assimp appear to be loading vertices in the incorrect order in this code?

I'm getting a weird bug in my code that is reading in the vertices from an .obj file. The .obj file is just a cube, hence there are eight vertices. When I print out the vector it seems to work ...
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0answers
199 views

Directx 11 not drawing scene despite all math being correct

I have a graphics engine that i writing in Directx11 and I changed the way objects are drawn, and the way assets for the game are loaded. Everything in my draw call is set correct and I thought that ...
0
votes
0answers
182 views

bones programmatically in assimp

I am trying to animate a 3d hand object programmatically in Assimp, I have the 3d model being export to collada using Blender. But I have no idea how to go from one bone animate it and then go to the ...
0
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0answers
174 views

Radiosity using a hemisphere

I'm working on a radiosity processor. I'm projecting scene geometry onto a hemisphere at a high order of tessellation during a visibility pass onto a 1024x1024 render target. The problem is that the ...
-3
votes
0answers
40 views

3D Fractal terrain generation

I have a problem with my terrain, each time I get a strange terrain. I don't know where is exactely the problem. Here is my MidPoint dispacement function: bool terrain::MPD(int x1,int y1,int x2,int ...