Vision 3

Vision 3 is an OpenGL based 3D engine for Windows, currently in early stages.

Features:

Physics:

Basic physics: entities can be assigned a velocity and/or acceleration.
Simple collision detection.
Simulation of bouncing and friction.

Lighting:

Per-vertex, Lightmapping

Shadows:

Simple projected shadows, Stencil projected shadows, Stencil shadow volumes.

Texturing:

Support for a large number of image formats (BMP, PCX, TGA, JPEG, PNG, etc) (using FreeImage); also internal support for WAL (Quake 2 BSP Texture format).
Mipmapping.

Scene Management:

Hierarchical scenegraph.
Multiple viewpoints, which can be part of the hierarchical scenegraph format.
BSP trees, Potential Visibility Sets, 2D spatial grids, Quadtrees.
Quake 2 BSP tree support.

Animation:

Morph target (per-vertex) animation, Skeletal animation.

Meshes:

Support for 3DS (3DStudio), RenderWare, MD2 (Quake 2) and NeverWinter Nights MDL format.
Mesh skinning.
Transparent meshes.

Special Effects:

Billboarding, Particle system, Skyboxes, Fog, Explosion effect.
Simple reflections.
Simple water.

Terrain:

Simple heightmap renderer.
Precalculated or realtime lighting.
Quadtree used for clipping.
Multiple textures.

Miscellaneous:

Object oriented API.
Simple resource management; all the 3D data that you create can be automatically deleted with a single function call
Simple keyboard and mouse input.
Simple 2D GUI functionality.
Font support.
Audio support.
Save screenshots in various 24 bit formats (BMP, PNG, JPEG, PNM).

To Do:

Animated sky drawing.
Scripted movement and animation.
More advanced collision detection (improved performance for collision with BSP Trees; using other shapes for the bounding volume such as ellipsiods, boxes and cylinders).
More advanced physics engine.
Routines to easily build up an simple GUI (ie, expanding on the 'buttons' idea).
3D sound.
Portals.

Also check out the older software 3D engine, Vision 2. Back to Computer Stuff , Home.

Below are some screenshots - click on them to get full size. Some of them display framerates - bear in mind that these were all taken in windowed mode which is a lot slower than fullscreen mode (not to mention being compiled in debug mode, with sometimes MP3s playing and other stuff running in the background;) Many of the textures and objects appearing in the screenshots have been sourced from various places on the Internet (since I'm no 3D artist..) and as far as I could make out were marked as being freely available - if it turns out I'm using your material, please let me know if you wish to be credited, or want the screenshot removed.

Screenshot from a game I am working on. This shows the terrain engine along with along with stencil shadow volumes.

Another demonstration of stencil shadow volumes.

The two characters and the torch are animated. Most of the objects in this room are loaded from objects in MD2 (Quake 2) format.

And again. The spider is a NeverWinter Nights model. The potion/bottle is a 2D billboard image.

This demonstrates explosion effects, shadows and reflections. Note that only the shadows for the main light source are being rendered - no shadows are being rendered for the explosion effect (this would be possible, but every additional light that we render shadows for increases rendering time greatly).

This is an object loaded in from a RenderWare script. JPEG Textures are also specified in the script, and are kept in the same directory.

The data for this world was loaded from a Quake 2 BSP file.

The Terrain engine, and the Skybox. The level of detail of the terrain is adjusted accordingly such that it is drawn within a reasonable accuracy, without having to draw too many polygons. So in general, close up regions are drawn in detail, with distant regions being simplified. The skybox is simply a box with a static texture mapped onto it (here it's a 128x128 texture on each face, which is why it appears rather blurry).

And again, with a slightly more detailed sky texture.

The water is animated, and the shoreline moves back and forth for a simple wave effect.

An animated object in MD2 (Quake 2) format. The viewpoint shown in the picture is such that it's always fixed above the character's head; a keypress switches between this viewpoint, and a viewpoint fixed with respect to world space.

'RWViewer', a quick program that displays RenderWare scripts. Vision can happily run in multithreaded code, as demonstrated here. Text is added via a single function call.

The 'Pause' button displays a window when clicked on, 'Quit' does as you'd expect (the other buttons aren't used in this demo). A couple of lines set up the explosion effect, which then fades away and finally disposes of itself automatically.

Object imported from a 3DS file, and displayed with a 'skybox' for the background. This screenshot is taken from the Amiga version (not currently being updated).

More Screenshots