Tagged Questions

-2
votes
0answers
64 views

DirectX or Opengl? Good resources [closed]

I am attempting to learn DirectX 11 for game programming (In c++). I want to learn everything from the graphics pipeline and how to begin using DirectX11 to animating 3d graphics (such as characters) ...
2
votes
1answer
46 views

Rotating and Translating a Node in Horde3D with Matrices and Quaternions

I have been trying to learn how to use the Horde3D rendering engine for the past couple of days, and so far I have managed to learn a decent amount and integrate Bullet Physics with it as well. My ...
-2
votes
0answers
153 views

Fast and minimalistic C++ 3D engine [closed]

I am trying to build a very simple game (ish), and for all this question cares, it's based on minecraft (therefore, no fancy 3D rendering needed). Though I do know a lot about pure OpenGL, there are ...
0
votes
1answer
55 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. ...
-6
votes
1answer
70 views

Android Game an [closed]

I want to develop an android game (3D/2D).. and I don't have any knowledge about android app development. So can you suggest some helpful and understandable resources like video tutorials or head ...
0
votes
0answers
245 views

How to do collision detection in 3D using bounding boxes?

I am using c++ in visual studio 2010 with opengl. I am trying to make a programme that has 2 boxes that are able to be stacked on top of each other but I am having some trouble with the collision ...
2
votes
1answer
178 views

Get intersected volume of two planes in 3D

I'm working on AABB - AABB collision response and I'm having trouble figuring one part out. My situation is as follows (see image). I have a player AABB (blue) and an object which collides (brown). ...
1
vote
2answers
249 views

AABB-AABB sliding collision response

I have many objects with AABBs and a player surrounded in an AABB. If I represent my player with a point everything works smooth with detection and wall sliding as a response (for example what wall ...
0
votes
2answers
467 views

Collision detection - Smooth wall sliding, no bounce effect

I'm working on a basic collision detection system that provides point - OBB collision detection. I have around 200 cubes in my environment and I check (for now) each of them in turn and see if it ...
1
vote
2answers
252 views

Indoor 3D game worlds

I'm looking for a little direction. I'm building a game engine as a part of my university project, and I'm having a little trouble about what to look for when it comes to indoor 3D game worlds. Now ...
3
votes
2answers
744 views

Importing and Displaying .fbx files

I have a little problem with importing/displaying .fbx files. I checked the examples but the ones which I am intrested the most (animation and texture) are badly documented for understanding by ...
2
votes
2answers
240 views

c++ How to use angular velocity that derived from inertia and force(torque) in 3d

I am relatively new to game development. May my terminology and description are not appropriate. Please excuse my poor phrasing and help me by giving advice on how to question better if this question ...
2
votes
2answers
340 views

What is the best way to “carve” a terrain created from a heightmap?

I have a 3d landscape created from a heightmap. I'd like to "carve" some holes in that terrain. That will allow me to create bridges, caverns and tunnels inside it. That operation will be done in ...
2
votes
2answers
229 views

How should I organize my matrices in a 3D game engine?

I'm working with a group of people from around the world to create a game engine (and hopefully a game with it) within the next upcoming years. My first task is to write a camera class for the engine ...
2
votes
0answers
230 views

Where is the Shader Designer?

I have VS2012 Ultimate and I've been trying to access (find) the Shader Designer. I searched through MSDN's text and Channel9's videos, but they keep failing to mention how to access it... Can ...
1
vote
0answers
246 views

How to pick a 3D object with known mouse coordinates if the camera is rotated 60 degrees?

I am making a simple game engine for a simple RTS game and would like to be able to pick a cube and move it around with the mouse coordinates. The problem is that my camera is rotated 60 degrees just ...
2
votes
2answers
249 views

What is the best way to check if there is overlap between player and static, non-collidable items in bullet physic engine

I'd like to add non collidable objects (eg: power ups, items, ...) in a game world using Bullet Physics Engine and to know if there is collision between player and them. Some info : there is a lot ...
3
votes
3answers
134 views

Determining a point that reached another point

I have two points, one is moving and one is stationary. I would like to know if the moving point has reached that point or not. I tried to calculate the distance between two vectors and the distance ...
2
votes
1answer
259 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 ...
4
votes
2answers
230 views

How do I use D3DXVec3Unproject with D3D11?

I'm having a small issue with D3DXVec3Unproject. I'm currently using Direct3D 11 and not 10, and the signature for this function is: D3DXVECTOR3 *pOut, CONST D3DXVECTOR3 *pV, CONST D3D10_VIEWPORT ...
0
votes
1answer
483 views

Fast Updating of Large Amounts of OpenGL data

I'm seeking advice, suggestions, and ideas on how to handle the updating of large amounts of data in OpenGL and c++. My partner and I have gone through two methods. The first is vertex by vertex ...
1
vote
1answer
202 views

Highlight edge on 3d cube in directx

I want to make a 3d editor in DX9/XNA for a project I'm working on. I'm just thinking through how I would go about certain tasks and I'm stuck on one particular thing, which is crucial to making the ...
5
votes
1answer
499 views

VBO and gl*Pointer management practises?

I'm aware it's not a simple yes/no question and for the moment I can't tell if it can be simply answered, or is it topic for a long discussion which is not suitable for our Q&A format. I want to ...
-4
votes
1answer
293 views

Is it better to unity game engine or use c++ and opengl [closed]

I can program in c++ and opengl i also have used unity in the past i find that it is better to build your own game engine than use someone elses. Opinoins
4
votes
0answers
226 views

How to generate portal zones?

I'm developing a portal-based scene manager. Basically all it does is to check the portals against the camera frustum, and render their associated portal zones accordingly. Is there any way my editor ...
-1
votes
1answer
150 views

Camera not working

I made a camera in DX9. To move forward I press the Up arrow. To rotate on the Y axis I use the mouse. When I perform these movements on their own the camera moves at the speed I want. However, if I ...
2
votes
2answers
477 views

How to load a terrain of connected caves into bullet-phisics engine?

I have a terrain that can not be represented as height map. Say a mountain with caves. I have it in one large .obj file. How do I load such a terrain into bullet-phisics engine? Or I shall generate ...
2
votes
1answer
380 views

Is it possible to billboard a sprite using a transformation matrix?

None of the current topics on billboarding seemed to answer this question. But, given a sprite (or quad) that has it's own 4x4 transformation matrix a camera with a view matrix (a standard 4x4 ...
3
votes
2answers
477 views

What has the most efficient intersection test against an AABB tree - OBB, Cylinder or Capsule?

I'm currently trying to find collisions in 3D between a tighter volume than an AABB and a tree of AABB volumes. I just need to know whether they are intersecting, no closest distance or collision ...
0
votes
1answer
728 views

How to create modular/replaceable game/engine code interfaces with c++

I've spent some time when I can spare it experimenting with c++ and at the same time learning a bit about game programming. I like most thought I'd start with creating a simple game engine but with ...
5
votes
3answers
1k views

Height Map vs 3D Model Mesh

I'm currently working on a 3D PC game (written in C++ and DirectX 9.0) and I'm trying to find the best way to store level data in the memory. The game's action takes place under the ground, so ...
-1
votes
1answer
264 views

Rotating points on a circle

I have drawn a 2D circle in X,Y,Z. I wanted to draw something on specific vertices of that circle and I managed to do it. When I wanted to move the circle, I wanted the vertices to get the updated ...
2
votes
1answer
254 views

Ogre 3D Visibility Advice

I would like an advice about some real-time rendering optimization. I'm rendering a BSP level, by only using the mesh, textures, entities, and lightmaps, not using VIS at all. I'm trying to make my ...
5
votes
1answer
2k views

How do I calculate collision response between a sphere and a plane?

I'm trying to create a simple 3D game and need to constrain the player within the limits of the game world. When the player hits the sides of the world I want the player's ship to bounce off slightly. ...
2
votes
1answer
387 views

COLLADA, loading, the modelling/animation process?

So, we're making a game in C++ using SDL - a TDS. It was originally intended to be 2D, but our lead programmer wanted to redo the engine and make it 3D. And, now, we really don't know how to go about ...
-5
votes
2answers
334 views

Looking for tutorial for a cool game suitable for a beginner to intermediate C++ programmer [closed]

I need to create a C++ game that can impress the admissions department for a college level videogame programming course I would love to follow. Can anyone suggest a tutorial for a cool game suitable ...
0
votes
1answer
427 views

What 3D engine supports real-time editable 3D terrain loaded in from a server?

I'm currently having a problem choosing an engine for a game project I have since a few years. What I'd need is to be able to load a terrain from a remote server (which I can take care of) and display ...
1
vote
0answers
313 views

c++ light 3d graphic and physics engines [closed]

I am working on a 3D simulator and looking now for a good graphic and physics engines. The main comparison params should be the RAM and CPU usage taken by the engines as my simulator should be ...
2
votes
1answer
3k views

Rotating an object in OpenGL about it's centre

Im writing a game for which, one of the models are loaded from an .obj file. It's a model of a plane, and I want to rotate the propeller. The object file is broken into groups, and the propeller is ...
1
vote
1answer
121 views

Can i tell if a Vertex Tree is a solid shape?

if a Vertex looks like this: struct vertex { vec3 point; vertex [] connected; }; Can I tell if this makes a solid shape with no holes? (e.g a sphere or a cube, NOT a sphere with a side ...
0
votes
0answers
163 views

DarkGDK good or not? [closed]

I recently found this thing called DarkGDK for programmign 3D games is this something good or is this limited or something how good games i can make with it? I tried to find theese answears on the ...
3
votes
2answers
434 views

loading 3d model data into buffers

I am using assimp to load 3d model data. I have noticed that each loaded model is made up of different meshes. I was wondering should each mesh have it's own vertex/index buffer or should there just ...
1
vote
3answers
1k views

Walkin on terrain - Opengl

i wanna walk to terrain... first i created the terrain void desenha_terreno(float px, float pz){ for (int z = 0; z < iwidth-1; z++) { glBegin(GL_TRIANGLE_STRIP); for (int x = 0; x < ...
3
votes
1answer
201 views

Rudimentary 3D graphics in C++ .NET

I am looking to implement an extremely rudimentary FPS game with extremely rudimentary 3D graphics using C++ .NET and DirectX. I'm not interested in any third party libraries or anything special like ...
3
votes
1answer
412 views

Problem with my model loader?

I'm trying to load MD2 models (stolen from Cube) and my loader seems to be loading the models fine, but I can't say the same for the drawing of the model. Here's my code: typedef float vec3_t[3]; ...
4
votes
3answers
613 views

What's a good way to check that a player has clicked on an object in a 3D game?

I'm programming a 3D game (using C++ and OpenGL), and I have a few 3D objects in the scene, we can say they are boxes for this example. I want to let the player click on those boxes to select them ...
3
votes
2answers
287 views

What happens to allocated video memory when the program terminates?

Using OpenGL it is possible to load textures, buffer arrays, compiled shaders and more to the video memory. When a C++ program exits, heap memory that was allocated by it is cleaned. What happens to ...
5
votes
1answer
2k views

Ray Intersecting Plane Formula in C++/DirectX

I'm developing a picking system that will use rays that intersect volumes and I'm having trouble with ray intersection versus a plane. I was able to figure out spheres fairly easily, but planes are ...
6
votes
2answers
250 views

Self-righting agents that have fallen over

I need insect-like agents that have fallen/rolled on their back/side to naturally re-orient themselves. The agents are modeled as simple cuboids in the physics engine (Bullet) to approximate an ...
14
votes
3answers
3k views

Is C++ “still” preferred in game development?

I am a 2D Game Programmer.Some programming languages which I am good at are C,Java ,C#. I also know Actionscript 2.0,3.0 and some javascript. I'm interested in learning 3D Game programming. So far ...

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