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

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3
votes
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 ...
2
votes
2answers
121 views

Box2D Issues determining the side of collision

I'm trying to determine which side of my object a collision is happening. In all of my searching, I have found 2 different proposed solutions, but each one has a major issue. I'm hoping that someone ...
1
vote
2answers
382 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 ...
1
vote
2answers
339 views

Calculating shadowmap coordinates for cubemap in shading pass?

I'm trying to implement shadow mapping with cube maps. I believe I've done the first stage by filling the cube map, but for the final shading pass I am unsure how to exactly calculate the cubemap ...
0
votes
2answers
95 views

How to keep a shape inside a rectangle

So i'm making a game which is based on randomly generated rooms and i need a way to keep the player inside them and make the player glide when he collides with the room's bounds. I currently have a ...
0
votes
2answers
88 views

Moving one object from one point to another with acceleration

How would someone implement moving an object from one point in 2D space to another using these formulae to update objects: m_position.setX/Y( m_position.X/Y() + m_velocity.X/Y() * dt + 0.5 * m_acc * ...
0
votes
2answers
98 views

Segmentation fault adding SDL_Surface

I'm trying to add a new SDL_Surface to my whack-a-mole clone code but even if I set it to null it wont let me. game.h #include<SDL2/SDL.h> #include<SDL2/SDL_image.h> ...
0
votes
2answers
244 views

Drawing a continuous line with onTouchMoved callback

i'm trying to draw a continues spline on every onTouchMoved call, the functionality is supposed to be similar to the line drawing used in the iOS game - flight control. i'm using it in the following ...
0
votes
2answers
224 views

What's the most efficient way to deal with in-game messages in Allegro 5?

I have a little 2D game made with Allegro, and I want to introduce strings during gameplay. For example, I've just made it so a key is needed to open a door, so I'd need some tutorial text to appear ...
-1
votes
2answers
64 views

Change sprite position

I have Sprite and i want change my Sprite position when score == 2 score = 0; auto bird = Sprite::create("bird.png"); bird->setPosition(Point(-visibleSize.width, ...
0
votes
1answer
807 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
745 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 ...
-1
votes
1answer
236 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
303 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
113 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
171 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
462 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
151 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
151 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
898 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 ...
-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 ...