• Newly designed object oriented C++ API
• Uses STL for resource management
• Library technical reference created with doxygen
• Automatic management and cleanup of important engine resources
• Built in console and engine variables
• DirectX 9 support
• Optimized Hardware transformation and lighting support
• Custom software transformation and lighting code for platform independent purposes
• Directional, Point, Spot, and Infinite lights
• Fast view frustum bounding box culling
• Custom File System with the ability to store your data in a custom file format
• Proprietary archive format, or use .ZIP files for packaging data files
• High resolution timer and code section profiling tools
• Fast selection of meshes using bounding box and exact triangle intersection tests, with either a single ray or rectangular region

• AngelScript by Andreas Jönsson (Open Source)
• OpenEXR by Industrial Light and Magic (Open Source)
• LibJPG (Open Source)
• LibPNG (Open Source)
• zLib (Open Source)
• CG by Nvidia

Mesh Formats:

• Proprietary PRO format for storing meshes and keyframe animation
• Proprietary CHR format for storing all forms of character animation
• Proprietary DAT archive format for storing multiple files in one archive
• Proprietary LSL format for storing levels
• BMP, DDS, HDR, JPG, OpenEXR, PCX, PNG, TGA loaders, with full code (does not use DirectX image load functions)
• Wav file loader for sounds
• Import from 3DS, LWO, LWS, MDL, MD2, .X
• ShapeBuilder routines for creating meshes from scratch, or built in common primitives like boxes, spheres and cylinders useful for physics simulations
   

Image Formats:

• Custom image loading and saving routines (all source code provided, does not rely on DirectX libraries)
• PCX, TGA, BMP, DDS, EXR, HDR, JPG, PNG

Rendering:

• Billboard and point sprite based particle systems
• Dynamic stencil shadow generation for static and animated characters
• Control mipmapping, texture filtering and antialiasing
• High Dynamic Range rendering with support for OpenEXR and HDR image formats
• Meshes optimized for cache coherence at runtime
• Multiple monitor output
• Motion blur and glow effects
• Scissor testing
• Depth buffering
• Depth sorting for alpha blended primitives
• Shadow maps
• Projected shadows
• Line Lists
• Lens Flares

Materials:

• Diffuse and specular, EMBM properties
• Prebuilt rendering state blocks for common materials
• EMBM, DOT3, Normal mapping, and Parallax bump mapping support
• Link materials for multipass effects using different shaders and vertex formats
• Control environment mapping and culling modes
• Control render states directly inside a material, such as texture wrapping, texture stage blending, z compare, alpha compare, alpha blending, z writes, etc

Level Rendering

• Fast Terrain Rendering engine with texture splatting or a single texture, quadtree visibility culling
• Alter terrain on the fly with textures that changes according to height, using realtime splatting
• Paint roads and other features directly on terrain
• Terrain decals for rendering scorch marks or other large detailed textures over terrain
• Scrolling textures for water or lava
• BSP Rendering Engine with PVS/Lightmapping, dynamic lights and collision detection
• Atmospheric effects like fog, clouds, sky (box and sphere), reflective water

Level Editor

• WYSIWYG editor for terrains and BSP based levels
• Seamless indoor and outdoor rendering of BSP buildings and terrain
• Raise or lower heightfields using brush strokes in realtime
• Paint roads and other features on terrain using texture splatting
• Generate terrain textures with baked on shadows from heightfields
• Edit entity properties and user definable data
• Edit camera and AI paths

Character Animation

• Character Animation engine using keyframes, tweening, or skinned meshes using bones
• Import model animations from 3DS, MDL, MD2, 3DS Max with Character Studio, or Maya bones, or Lightwave scenes
• Blend between motions for seamless character animation
• Attach models to bones to make characters hold weapons and other items
• Animate via custom bone transformations in addition to keyframed animations
• Optimized vertex shaders for tweening and skinning (using matrix palettes)

User Interface

• 2D User interface classes with a complete desktop-like environment with dragable windows
• Bitmaps
• Boxes
• Check boxes
• Combo boxes
• Line
• List box
• 3D mouse cursor
• Sliders
• Text
• Windows
• Desktop

Scripting

• C++ like scripting language (Angel Script) for game logic or even write an entire program

Physics

• Integrated rigid body physics (Newton)
• Spheres, Boxes, Cylinders, Capsules, Cones, Chamfer cylinders, Convex hulls
• Several types of joints
• Collision against static level meshes
• Collision against deformable terrain
• Collision against BSP including curved surfaces
• Ragdoll physics with skinned characters
• Ragdoll editor for adjusting primitives, mass, angle limits and other parameters
• Water buoyancy

Shaders

• Supports ALL shader models including SM3
• Assembly, CG, or HLSL shader support
• .FX shader file support

Collision Detection

• Octree collision detection for general polygon soups (ie models exported from 3DS Max)
• BSP collision for levels
• Geometric polytope based collision detection and ray intersection tests

Audio

• 3D Sound
• DirectSound
• DirectMusic
• MP3
• CD Music
• EAX support

Media

• Movie playing (all formats) for cut scenes, or displaying on textures

Frameworks

• Screensaver example
• Winamp Plugin example
• MFC example with floating dockbars
• Xbox1 and PC application frameworks