Ogre3D (www.ogre3d.org) is a multi-platform, open-source 3D rendering engine.

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15
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3answers
10k views

How viable ogre3d is for a commercial project? [closed]

Well, I don't really what else to add to the question, since I don't really know what competitors have that OGRE doesn't. Of course I'm talking game rendering quality here, I don't really think there ...
13
votes
1answer
3k views

Procedural star field generator

Is anyone aware of any code to procedurally generate star fields? Ideally I'd like it to be physics-based so I can have realistic planets and moons. Best would be in C++, open source, and workable ...
11
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5answers
2k views

How to get the blocks seen by the player?

I'm writing a Minecraft-like game using Ogre engine and I have a problem. I must optimize my game, because when I try draw 10000 blocks, I have 2 FPS... So, I got the idea that blocks display of the ...
11
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2answers
12k views

Open-source 3D models easily usable in OGRE3D/jMonkeyEngine [closed]

I'm looking for a source of 3D models (cars, game characters, furnitures etc.) which are usable in an open-source 3D game. I found various website with free/opensource .blend files. However it is not ...
11
votes
1answer
388 views

Dynamic model interactions

I am just curious as to how in many games (namely games like arkham asylum/city, manhunt, hitman) do they make it so that your character can "grab" a character in front of you and do stuff to them. I ...
10
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4answers
2k views

Procedural terrains in 3D: what has been done ? Are there common algo and/or theories about it? [closed]

Besides programming, modeling an environment takes a great deal of time. I don't know about the work time involved, for example, in a WoW dungeon level, or other beautiful city-like, future ...
8
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3answers
782 views

Ogre3D how to use many images in a particle system

In the example I found, it usually uses one images for a particle system. Is it possible to use multiple images in a system?
8
votes
4answers
4k views

Any dirty/cheap, lightweight 3d engine, beginner friendly out there?

I got 2 questions, the 2nd is more some kind of opinion question. 1st question: Everybody heard of panda3d, OGRE and IrrLicht: they are great engines, with a lot of features. With OGRE you can do ...
7
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5answers
9k views

OpenGL vs OGRE : Which is the best for beginner? [closed]

I am interested in getting into game development and posses good C/C++ programming skills. I have tried OGRE before, and I am curious whether I should learn either OGRE or OpenGL as a starting point. ...
7
votes
3answers
8k views

Ogre vs. Irrlicht

I've experimented a bit with the Ogre (http://www.ogre3d.org) and Irrlicht (http://irrlicht.sourceforge.net) engines, both of which are open source and are trying to fill similar niches. From what ...
7
votes
2answers
3k views

How would I move a character In an RPG with Bullet Physics/Ogre3D?

lately I have been having problems with moving my character in my Ogre3D game. Basically I am moving the character with bullet's RigidBody->translate() function, but when doing so and bumping into ...
6
votes
1answer
644 views

Spaceship interiors: How to approach, implementation-wise?

I'm creating a 3D space game using Ogre3D for graphics with C++ and one of the features is to be able to freely wander around spaceship interiors, but I am lost with how to implement it. Here is what ...
6
votes
1answer
445 views

How can I debug _why_ glDrawArrays is very slow?

I'm working on a game that uses CEGUI and Ogre. Recently, we've discovered that some of our customers with GeForce4 MX 4000's, performance is terrible. After a night spent debugging, I've tracked ...
6
votes
2answers
450 views

Approach to implement space junk

Ogre3D I would like to put some space junk in my game environment. Make it look like the first 2 search results. Those junks don't need to be interactive. Just need to have a 3D junk circling around ...
6
votes
0answers
2k views

What good 3D graphic rendering engines are out there? [closed]

I couldn't find good overview of those and decided to ask experienced people. I'm writing in C# and want to learn some 3D graphics stuff. I used to write some 3d scenes and shaders 4 years ago in ...
5
votes
1answer
1k views

Setting up a cross-platform Ogre project on a Git repository

I'm looking to start a cross platform game project using Ogre, and I want to host it on a git repository. I'm collaborating with a friend on this: I'm on a Mac using Xcode, and he's on a PC using ...
5
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2answers
574 views

Linux OgreXML model viewer

Is there an OgreXML model viewer for Linux? I know about OgreMax but apparently that's Windows only.
5
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1answer
1k views

Bullet Physics - Casting a ray straight down from a rigid body (first person camera)

I've implemented a first person camera using Bullet--it's a rigid body with a capsule shape. I've only been using Bullet for a few days and physics engines are new to me. I use ...
5
votes
1answer
772 views

Explicit resource loading in Ogre (Mogre)

I am just starting to learn Mogre and what I would like to do is to be able to load resources 'explicitly' (i.e. I just provide an absolute path instead of using a resource group tied to a directory). ...
5
votes
1answer
223 views

How to pass depth buffer from OGRE to CUDA?

I am using OGRE for rendering some objects. At every frame, I would like to pass the resulting depth buffer to CUDA for running some kernels on it and computing a result. How can I achieve this? How ...
5
votes
1answer
403 views

Working Qt controls in a 3d environment

I need some advice from a Qt expert. The background: I have a 3D engine (ogre3d) working in concert with Qt. The 3D Content is displayed in a widget (using a custom OS window in the client area). I'm ...
4
votes
4answers
1k views

Change from Bullet/OgreAnim to Havok?

I have been working on a game in Ogre for the last 6 months or so. It started as a learning project, and after a few rewrites it actually turned into a real game project. Physics scared me, and using ...
4
votes
3answers
441 views

How to check whether a ray cast hits a specific side of an object?

I am using Ogre3d to develop a 3d simulation/game. One task is to determine whether the user has focused the camera on a specific object. So I cast a ray from the camera to what is currently in the ...
4
votes
1answer
495 views

Why game engines usually don't offer a vector3.rotate method? [closed]

Game engines like Three.js, Ogre3d and Unity3d often don't provide a default rotate method on their vector class. You usually have to do something like: rotated = vector.applyQuaternion( new ...
4
votes
2answers
878 views

Get world coordinate under mouse (at a ground plane for Warcraft 3 like movement)

I want to let a unit follow the mouse like in any RTS (Warcraft 3, Starcraft, ...). For that I have a "ground plane" which is defined through 2 vectors, the X and Z axis. Now I need to get the world ...
4
votes
1answer
673 views

Ogre3D : seeking advices about game files management

I'm working on a new game, and its related level editor, based on Ogre3D. I was thinking about how i could manage the game files, knowing that Ogre use .mesh files for models, .material for ...
4
votes
1answer
2k views

An Ogre3D iPhone 'Hello World' project?

I have been investigating various 3d engines for iPhone/iPad development and have mostly decided to use Ogre3d. I have got the SDK, the iPhone dependancies, built and run the SampleBrowser project on ...
4
votes
1answer
946 views

Can't export Blender model for use in jMonkeyEngine SDK

I have a scene rendered in blender called "civ1.blend" which contains multiple materials (for example, I have one called "white"). I want to use this model in jMonkeyEngine, so I used the OGRE ...
4
votes
1answer
997 views

Ogre FPS Overlay

I want to make a FPS and debugging info overlay similar to the one in the bottom of this image http://www.ogre3d.org/tikiwiki/dl1692&display but without using SDKTrays or OIS, can anyone give me a ...
4
votes
1answer
2k views

How to manage the lifetime of Ogre3D objects?

I haven't found tutorials that are concerned about deleting scenenodes and entities. I assume that the scenemanager will take ownership of them when they are attached (am I right?). However, I can ...
4
votes
2answers
1k views

Writing a custom model file format

I am using Ogre for my rendering engine, and I planned on just using the .mesh format that is setup by default with Ogre. However, I recently purchased a large number of 3d assets from a company, only ...
4
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2answers
523 views

Reflections based on distance from plane

Let's consider, for example, a surface like the volleyball court, we can see that legs and shoes of the players are reflected, with a blur effect, but body and stadium don't (as each object not near ...
4
votes
1answer
633 views

Ogre3D Fog with overlays

I'm building a game with Ogre3d, I've got fog working properly with: scenemanager->setFog(Ogre::FOG_LINEAR, Ogre::ColourValue( 0.23f, 0.725f, 1.0f ), 0, 18, 20 ); However I'm currently ...
4
votes
2answers
433 views

Changing Ogre3D terrain lighting in real time

I'm looking at the Ogre 3D library and I'm browsing through some examples / tutorials. My question is about terrain. There are a few examples showing how great the terrain system is, but I think that ...
3
votes
4answers
672 views

How to implement a starwar energy shield in game

I am using Ogre3D. How can I implement an energy shield like this image? In the picture, the shield is a semi-sphere, where I want to make it a sphere surround my object. The shield should be ...
3
votes
2answers
603 views

What other components would one have to combine with Ogre 3D render engine to make a full fledged custom game engine?

I have heard that Ogre 3D is not actually a game engine, rather it is a 3D render engine. I have also heard people claim that one can piece it together with other components (engines?) to create a ...
3
votes
2answers
2k views

Problem with Ogre::Camera lookAt function when target is directly below

I am trying to make a class which controls a camera. It's pretty basic right now, it looks like this: class HoveringCameraController { public: void init(Ogre::Camera & camera, AnimatedBody ...
3
votes
3answers
3k views

How do I export my Blender model to OGRE XML format for jMonkeyEngine 3?

I'm an amateur software engineer with several simple 2D-game projects under my belt. I'v recently turned my attention towards creating a basic 3D game, nothing too fancy, just to get a grip on things. ...
3
votes
2answers
5k views

Ogre 3d and bullet physics interaction

I have been playing around with Ogre3d and trying to integrate bullet physics. I have previously somewhat successfully got this functionality working with irrlicht and bullet and I am trying to base ...
3
votes
1answer
202 views

Continuous world and very large levels: going around the FPU limitations with Ogre3D

I'm currently using Ogre3D, and I'm wondering is it's possible to have a very large level (hundreds of kilometers) using the right scenemanager. Storing or having the level is not a problem, since I ...
3
votes
3answers
1k views

Alpha blending without depth writing

A recurring problem I get is this one: given two different billboard sets with alpha textures intended to create particle special effects (such as point lights and smoke puffs), rendering them ...
3
votes
2answers
360 views

How do you stop an Ogre PSSM shader from creating unwanted or blocky shadows due to large 'world size'

I'm using PSSM Shadows in Ogre 1.6.4 and I have a scene which is around 100m square. I also create a flat ground texture which does not cast shadows and extends off towards the horizon, but when I ...
3
votes
2answers
431 views

Choosing a correct collisionshape for a voxel engine

I am building a voxel engine on Ogre with bullet as a physics engine. I separated my blocks into chunks to help batch together render calls. At the moment, each chunk's physics is handled by a ...
3
votes
1answer
932 views

How do I use Ogre with CodeBlocks?

I want to start writing games using ogre in combination with the CodeBlocks compiler but am struggling with the installation. I got the latest version of the compiler as well as the ogre engine from ...
3
votes
1answer
559 views

Using Ogre 3D, OGRE_NEW gives editor errors in Visual Studio

I am trying to get more experienced with Ogre 3D and I am following the basic tutorials on the website. All the code samples compile just fine. The first time I encountered an "error" was in Basic ...
3
votes
1answer
608 views

How do I create a manual object with colors for each vertex?

How do I create a shaded manual object with colours for each vertex? Eg if ogreObj is the Ogre::ManualObject : ogreObj->begin("BaseWhiteNoLighting", Ogre::RenderOperation::OT_TRIANGLE_LIST); ...
3
votes
1answer
140 views

How to map absolute Joystick position to object rotation?

In my (Ogre) 3d scene I have an object that should be rotated locally based on Joystick input. I have a Joystick with min/max values of [-32767, 32767] on both X and Y axes. When the Joystick is in ...
3
votes
1answer
464 views

How to design a character animation system?

I'm searching for suggestions and resources on the possible ways to design a character animation system. I mean a system built on top of the graphics engine (as graphics engine I use Ogre3D, that ...
3
votes
2answers
710 views

Why can't I import third-party modules I've installed in the python-ogre SDK's interpreter?

Background Information I'm using the python-ogre SDK, located here, under Windows 7. The SDK seems to have its own interface to the python 2.7 interpreter, judging from the fact that the generic ...
3
votes
1answer
146 views

Scaling and rotating texture onto another texture by raw buffer data

I've been messing with C++ AMP and OGRE in attempt to make writing to/altering textures to my liking easier on my behalf. In this I've been trying to draw a texture onto my "dynamic" texture with ...