Free 3d scene software for linux

view3dscene project is a viewer for 3D scene files.
Main features:
- Two navigation methods are available: Walk (walking like in FPS (Doom, Quake) games, with collision detection, gravity and related features available) and Examine (this allows you to easily rotate and scale the whole model).
- Convertion of 3DS, OBJ and GEO files to VRML 1.0
- You can also simply open and save any VRML 1.0 or 2.0 file and in effect view3dscene will work as a "pretty-printer" for VRML files.
- Built-in ray-tracer (that is also available as a separate command-line program, rayhunter) to generate nice views of the scene (with shadows, mirrors, and transmittance). Classic ray-tracer implements exactly VRML 97 lighting equations.
Supported file formats:
- VRML 1.0 and 2.0. Almost complete VRML 1.0 support is ready. VRML 2.0 (aka VRML 97) support is also done, although some advanced features are missing right now (like prototypes, scripting, interpolators, sensors). VRML files usually have WRL extension.
- See VRML implementation status for detailed list of supported features. See also my extensions to VRML, my VRML test suite, and finally the official VRML specifications.
- Also many OpenInventors 1.0 ASCII files (extension IV) are handled. Mainly its because Inventor 1.0 and VRML 1.0 are very similar formats, but view3dscene handles also some additional Inventor-specific nodes.
- 3d Studio 3DS format. Not every information in 3DS is handled by view3dscene but most important things, like materials, texture coordinates and texture filenames are supported.
- Wavefront OBJ files. Only very basic support : geometry and texture coords. Texture named default_obj_texture.png in the current directory will be used if texture coords are specified in the file.
- GEO. Some simple format; I dont even know what program writes files in this format, it just happened that I had a few files in this format. No, its not Videoscape GEO and its not Houdini GEO.

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.

Scenic is a 2-dimensional scene based graphics library. Scenic stores graphics in a tree-like structure (scene). Scenic also handles user input (mouse and keyboard).
Main features:
- Affine transformations
- Polygons
- Lines
- Cubic Bezier curves
- Antialiased text
- Images
- Clipping
- Alpha transparency
- Edge antialiasing
- OpenGL primitives
- Conservative garbage collection

Light Speed! project is an interactive relativistic simulator.
Light Speed! is an OpenGL-based program which illustrates the effects of special relativity on the appearance of moving objects.
When an object accelerates past a few million meters per second, these effects begin to grow noticeable, becoming more and more pronounced as the speed of light is approached.
These relativistic effects are viewpoint-dependent, and include shifts in length, object hue, brightness and shape.
Main features:
- Real-time interactive viewing
- 3D object importer
- Snapshot exporter
- Special Relativity Scene (SRS) exporter
- Reference geometry
- Independent toggles for the four relativistic effects
- Numerical camera location + target readout and input
- Switchable background color

Coindesigner is a RAD (rapid application development) system to build 3D applications using Coin3D openInventor.
Coindesigner allows to write simple 3D scenarios just using drag&drop, so users require no programming acknoledges at all to use it.
Coindesigner is a system equivalent to glade or qt-designer, where we can choose components from the openInventor toolkit, add them somewhere in our scene and configure them in a very easy way... and all changes are applied to the scene on the fly!
Main features:
- Reads and write scenes in native openInventor file format
- Can import geometry from VRML, 3ds, DXF, OFF (from geomview), SMF, sphere trees .SPH and XYZ point clouds file formats.
- Can export geometry to file formats VRML2, SMF, OBJ, STL, OFF y XYZ.
- It allows to visualize volumetric data (such as medical CT) if SIM Voleon is available in your system.
- Makes some basic geometrical operations, as mesh reduction (with QSLIM) and convex hull computation.
- It includes cdsview, an minimalistic external viewer that allows you to view and distribute scenes without need of coindesigner.
- Provides helpers to define colors (with QColorDialog), file paths (with QFileDialog), menus for enumerated types and much more...
- Allows to use manips to configure Lights and Transform nodes. Just use the right mouse button to interchange between those nodes and their manip!
- GUI has been translated to English, Spanish and Portuguese
- Includes the complete coin reference and several tutorials directly brownsables from the application.
- Its as multiplatform as coin3d and Qt are. It works under Linux, Mac OS X, and Windows.
- Its open source released under GPL license.

Search And Rescue project is an air rescue flight simulator. The player pilots rescue helicopters to rescue victims in various situations of distress.

Search and Rescue is a helicopter based air rescue flight simulator. It employs a simple flight dynamics engine that is targetted towards the "average" player. It is not designed to be a cutting-edge realistic simulator, but rather a flexable game that everyone can play and enjoy.

The history of the development of this game goes back to 1997, when Search and Rescue was created as an explorative to design for more complex 3D games using the OpenGL graphics library. Much of the effort in the development of this game came from Wolfpack Entertainment and many dedicated contributors (see credits below).

This game was ported to Windows early on in its development to ensure the portability of its graphics code. However the Win32 version lacked certain features due to differences in Windows design of its graphic, sound, and controller implementation.

The flight dynamics engine (FDE) features helicopter, aircraft, and tilt-rotor aircraft flight dynamics models (FDMs). It uses source-centered (as opposed to world-centered) mathimatical equations to simulate movement which mimicks but does not fundimentally follow standard physics equations. This simplifies the "flyability" of the aircrafts at a slight cost of realisim and lightens processor load.

The 3D visual models of the aircrafts and objects were created by a program called Vertex 3D, an OpenGL modeller designed to create 3D visual models that are optimized for OpenGL.

Each scene is a finite sized flat world, separated vertically by cloud layer(s) and centered at the origin with an artificial longitude and latitude offset applied to displayed positions.

Mill 3D is a nine mens morris game, based on classical board game. You can play against the computer, or a human player, in a nice 3D environment. The computer has three difficulty level, it is quite smart.
Main features:
- Play against your friend
- Play against the computer, choose from the 3 difficulty levels
- Sophisticated 3D enviroment
- Runs under Linux and Windows

K-3D is the free-as-in-freedom 3D modeling, animation, and rendering system for GNU / Linux, Posix, and Win32 operating systems. K-3D features a robust, object-oriented plugin architecture, designed to scale to the needs of professional artists, and is designed from-the-ground-up to generate motion-picture-quality animation using RenderMan-compliant render engines. We strongly recommend the Aqsis render engine for use with K-3D.
K-3Ds innovative interactive tutorial system will introduce you to basic use of the program. New tutorials can easily be recorded and shared with the rest of the community.
K-3D allows you to create and edit documents in multiple realtime OpenGL solid, shaded, texture-mapped views. You can even model, animate, and interact with animations while they play back for maximum productivity!
Main features:
- Camera: pan/tilt, zoom, dolly, modeling and tripod modes.
- Viewing Modes: Detailed selection of visible features.
- Hide / unhide geometry.
- Powerful scene graph procedual modeling with complete modeling history.
- Selection: Objects, meshes, faces, edges, patched, curves, point groups, point.
- Geometry types: Polygon, NURBS, subdivision, blobby.
- 3D Primitives: Cone, circle, cushion, cylinder, disk, grid, paraboloid, polyhedon, sphere, torus.
- Boolean modeling operations.
- Text: FreeType? support.
- Instantiation: Create duplicates without adding gemometry to the scene.
- Directed Acyclic Graph (DAG) allows arbitrary dataflow - any object property can be connected to any other compatible property.
- Animate any value.
- Unlimited number of animation channels.
- Bezier curve channels.
- Animate modeling operations.
- Textures with 16-bit float bitdepth.
- Procedual RenderMan shaders.
- Full RenderMan Support: Aqsis, Pixie, BMRT, PRman, 3Delight, Render Dot C.
- Extensible support for alternate render engines and models: YafRay.
- Render OpenGL previews to disk.
- Python engine (preferred for new script development).
- K3DScript engine (minimal scripting engine for tutorials / macros).
- JavaScript engine (legacy script engine).
- Support for alternate script engine plugins and environments.
- Basic 2D compositing.
- Bitdepth 16-bit float per channel.
- Geometry Formats: AC3D, ASCII Scene Export, Apple QuickDraw?3D, AutoCad, Ayam, DirectX?, GNU Triangulated Surfaces, Quake II, PDB, RenderMan Interface Bytestream, VRML, Wavefront ... (some of them depend on PLIB installation)
- Image Formats:
- JPEG (all platforms).
- PNG (all platforms).
- TIFF (all platforms).
- OpenEXR (requires optional OpenEXR plugin).
- BMP (requires optional ImageMagick? plugin).
- SUN (requires optional ImageMagick? plugin).
Enhancements:
- This release features major changes to the internal file-handling code to work correctly with files containing non-ASCII characters.
- Due to the sweeping changes needed to make this possible, this version is considered a "development" release, so users are encouraged to use this release for testing and feedback only.
- All users are strongly encouraged to upgrade to the 0.6 series of K-3D for its completely rewritten user interface, many new features, and significantly improved stability over 0.4.