Expression Features

General

• Written in C++/STL
• OpenGL support for 3D rendering
• Runs on Win32 and Linux (see Work in progress)
• WDF file format
• JPEG and 3DS filters
• Class MT-safe libraries

Base

• Win32 and POSIX multithreading
• Dynamic class instantiation
• Lexical scanner
• Reference Count template

Geo

• 3D and homogeous Coordinates (Vertex class)
• 3x3 and 4x4 Matrix
• Quaternion
• Color range map
• Axis Aligned Bounding boxes

Gfx

• View frustrum culling
• Quaternion base Camera model
• Shade hierarchy
• Procedural textures (only for non-interactive use yet!)
• Fog

UI

• Complete widget class hierarchy
• Fullscreen and windowed mode support
• Console class
• MessageBox
• Color pick widget and dialog

World

• Polygonal model (tri-mesh)
• Support for tri-strips
• primitive Sky
• ParticleSystem

Application

• Sphere tracer
• Sky dome tool
• SGI BW to jpg converter
• simple 3DS file viewer
• WDF File analyzer

World Editor

• Import 3DS files
• Correct triangle orientation
• Integrated Stripe to create tri-strips.
• ParticleSystem editor
• Material editor
• Perspective and orthogonal views
• 3D position/direction control widget

Work in progress

• Dynamic libraries for win32
• CLOD Terrain
• Port GLWindow and GLApplication to Linux (Xlib)
• Integrated polygonizer

Known Restrictions

• Mesh correction tool does not work with tri-strips