Free 3d animation software for linux

Animation fade-loop is a plugin for GIMP that can convert an animation to make it look better when played in a continuous loop (e.g. for DVD menus).

"This plug-in copies an animation frame by frame and adds a cross-fade effect at the end so that the last frame blends seamlessly back to the first.

Note that because of the resulting overlap, the output animation is [fade_length] frames shorter than the input. The currently loaded gimp image should be the first frame of the input animation.

3D Pong project is a simple Xlib vector-based ping-pong game.
3D Pong is is a very small and fast ping-pong or handball game for one or two players. It uses simple 3D vector graphics in Xlib.
Multiple views are possible, and red/blue separation is available for users with 3D movie glasses.
Main features:
Game Play:
- 1 player against the computer
- 1 player in "handball" mode
- 2 players, networked
- User-defined gravity level
- With or without a deflective "net"
Display Modes:
- Red/Blue split mode for true 3D using 3D glasses!!!
- Six viewing positions:
- First Person POV from behind your paddle
- "Bleacher" view from the side of the game arenta.
- Above view.
- Freely rotatable mode (using the mouse)
- A dizzying "follow the ball" mode
- Follow the paddle mode

Animadead is a skeletal animation library designed to load and play skeletal animations.
Animadead supports models that are composed of several swappable meshes bound to a single skeleton that can be driven by multiple animations. There is an export plug-in for Maya, and others are in development, including plug-ins for 3D Studio Max and Lightwave.
It is written in C++ and has no dependencies. However, an example implementation is provided that uses OpenGL and SDL.
I wrote a shader in CG for OpenGL, which didnt work well on my system, I think due to the best OpenGL CG profile my card supported doesnt utilize the full potential of my card, and I had trouble with passing the list of bone matrices to the card.
The compiler for the supported profile had a ridiculously low number of uniform parameters I could send. So for my simple boxman demo, which has 41 bones or so, I couldnt get it to work, and I didnt feel like making a model with fewer bones.
So after running into a bit of trouble with CG, I wrote a shader in GLSL, which at first had problems as well, but it turns out all I needed to do was upgrade my graphics drivers. Once I did that I got the shader to work, and its nice and fast.
I plan to have both shaders working well and will provide them with the next release.
Main features:
Exporting and file types:
- Custom file types used for meshes and animations.
- Meshes can be static, or deformable and bound to all or a subset of the skeleton.
- Animations use a skeletal hierarchy and local transformations for every bone at every frame.
Loading files:
- The library loads and caches animations and meshes by filename.
- Meshes are broken down into surfaces, which have a texture name, vertices, faces, and a pointer to user defined data.
- A callback function can be set that can load textures when the mesh is loaded, and set the user data for that surface.
- Models in animations can be moving, but when the model is loaded, the movement of the root bone is extracted and removed. This information is stored, and can be used to move the frame of the model at the speed the modeler intended or used to scale the speed of the animation.
Setup (initialize):
- A model is composed of several animations and swappable meshes, but can also contain blends and bone selection masks.
- Blends are used to calculate a pose, usually from two other poses.
- One type of blend is an animation player, which is used to keep track of the current time in the animation and can generate a skeletal pose at that time (between two frames).
- Another type of blend is a blend between blends. When this blend is calculated, it first calculates the two blends its blending, and then blends those together with a user-defined weight. Since this is a recursive definition, blends can in fact be setup in a hierarchy, and the user only needs to call the top level calculate function.
- A bone selection mask is a selection of a subset of the entire skeleton. The hierarchy is used to make the selection process simpler. Essentially, all bones are the same selection state as their parent, unless set directly.
- In addition to being able to calculate a pose from a complex system of blends, the calculate function can be given an optional bone selection mask, which limits the calculations done for that blend to only the subset of bones defined by the selection. This allows you to calculate different parts of a skeleton with different animations.
Drawing:
- The library doesnt actually draw the model, but provides all of the necessary information for your engine to draw the model.
- Data is prepared and organized for use in vertex shaders.
- A pose can be converted to a set of matrix world transformations. (Most shaders like the data like this)
- Examples are shown that actually draw the model.

The Wurld 3D Engine is yet another 3D gaming engine. It is light, fast, has minimal external requirements, and is still very immature. The project is Python scriptable, including support for generating models using 3D turtle graphics.

XMud project is a distributed 3D MOO engine written in Java.
XMud is an extensible MUD, inspired by LambdaMOO and LPMUD. It allows users to extend the system at run-time by creating new objects.
Objects are Java classes that follow certain rules with respect to manipulating the state. It was designed with with scalability in mind; the system may be composed of N servers and M clients.
Each server is nothing more that a state manager that controls reading, writing, and locking state elements.
Methods are executed at the client level and generate state change requests that are sent to the server.
The current implementation of XMud provides the core infrastructure for server/server server/client communications, state management through object serialization and Mysql, a graphics engine written entirely in Java3D capable of importing VRML models, Never Winter Nights models, animation engine, particle system, and a very limited library of game objects including players and monsters based on the d20 rpg system.
Enhancements:
- Full support for NWN terrain tiles. You can now create a map with nwn toolset and import it into xmud.
- Added animation to avatars.
- Improved graphics engine performance by moving collision detection and terrain following to the cell level.
- Prioritized request/response queue at the client and server level.
- Position updater delay according to clients ping time.
- Limited the number of requests per client per second

Art of Illusion is a free, open source 3D graphics studio.

Art of Illusion combines modelling, animation, texturing and rendering in one application, with advanced features which compare favorably to those found in many commercial programs.

Art of Illusion is written entirely in Java. It should (in theory) work under any Java Virtual Machine (JVM) which is compatible with Suns Java Development Kit (JDK) 1.4 or later.