3D Engines List Source & Portal rendering This list contains 19 portal rendering engines with source code.

12.04.2000 Genesis 3D

11.08.1998

G3D is a commercial 3D game SDK from Eclipse Entertainment.

• Lightmapped perspective texture mapping
• Animated textures, procedural water textures
• Translucent textures
• Texture morphing
• Dynamic shadows
• Light diffraction
• Multiple colored light
• Fog.
• Vertex morphing
• Real time water surface distortion
• Real time light diffraction
• Mirrors
• Integrated rigid body physics simulation support for world objects
• Hierarchical and seamless, soft-skin polygonal characters
• Support for 3DS MAX animation files
• LOD support
• Area portals allow selective rendering of world geometry
• Software rasterizer, 3DFX Glide, and D3D support
• Open scripting API
• Level editor
• 3D sound positioning and attenuation
• Support for network streaming of geometry, animations and textures ( Hollywood 3D )
• OpenSource distribution

More information, screenshots, the SDK and some demos can be found on Genesis 3D Homepage.

12.04.2000 Blitz Engine

05.10.1998

The Blitz Engine is a Windows rendering engine from Richard Turnbull ( rt71@hotmail.com ).

• Perspective, lightmapped texture mapping
• Sub-pixel and Sub-texel accuracy
• Coloured Lighting and dynamic shadowing with filtering
• Improved dynamic lighting - via span level RGB interpolation
• Span level MIP-mapping
• Multitexturing using OpenGLs ARB_multitexture extensions
• Surface cacheing at span or surface level
• Level of Detail bezier curved surfaces
• Texture mapping system for wrapping around curves and creating a smooth edge look as seen in Quake 3
• Translucent surfaces with upto 20 simultaneous layers
• Reflective surfaces
• Environment Mapped Bump Mapping (Matrox G400)
• Animated textures
• Collision detection including with curves
• Span and Z-Buffering
• Binary Space Partitioning Tree creation and traversal
• Direct Draw and Direct Input Support
• Point based particle rendering
• Shaded, colored smoke particles
• Spherical and standard volumetric fog
• Coronas and Lensflares on lights
• B-Spline movement system
• Hierarchial objects
• Portal rendering combined with BSP Tree
• Support for OpenGL and Direct3D
• Console system
• 32 bit MMX optimized span level RGB interpolative rasterizer with span level mip mapping.
• Network support
• Written in Visual C++ 4 and the Netwide assembler (NASM)

More information, screenshots and a demo, SDK 1.2 and source can be found on the Blitz Engine Homepage .

08.10.1999 Xonnel

21.08.1998

Xonnel is a 3D engine for MSDOS and Windows from Vindicator ( vindicatorh@usa.net ).

• Lightmapped perspective texture mapping.
• Mip mapping.
• Alpha transparency.
• Portal rendering.
• True colored lighting.
• True Shadows, with redefinable grid sizes through world file.
• Collision detection / sliding.
• Updated landscape rendering and improved texture structure.
• Resolution independand, support for SVGA.
• Space Warping ( name given by Crystal Space -- sounds proper ).
• Asm script language.
• Physics system.
• Basic window based portal editor.
• Particle system
• DJGPP C source code
• C Scripting builtin using seer
• GUI/Editor/console using BGui

More information, screenshots, documentation and the source can be found on Xonnel Homepage.

28.09.1999 Mood

09.06.1999

Mood is a 3D engine for DOS from Alexei A. Frounze ( alex.fru@mtu-net.ru ).

• Unlit, perspective texture mapping
• 3 different perspective texture mappers
• Smart Filtering (really cool technique of smoothing/filtering)
• Z-Buffer rendering
• Convex rooms with different height of floors and ceilings(windows, stairs)
• Texture mapped floors, walls and ceilings
• Non-orthogonal walls
• Simple portal technique
• Looking up/down
• Map viewer, FPS counter
• Support high-resolution VESA modes (640x400 and 640x480)
• Borland Pascal V7.0 and Turbo Assembler v 3.2 source

More information, screenshots, the source and binary can be found via the Homepage of Alexei Frounze.

03.09.1999 Crystal Space

25.08.1997

Crystal Space is a 3D engine for Unix from Jorrit Tyberghein ( Jorrit.Tyberghein@uz.kuleuven.ac.be ).

• Shaded perspective texture mapping.
• MIP-mapping.
• Sub-pixel and sub-texel accuracy.
• Portal rendering.
• Static lighting with precomputed shadows.
• Dynamic colored lights with shadows
• Transparent and semi-transparent textures.
• Support for mirrors.
• Support for BSP rendering.
• Support for curved surfaces.
• Support for depth-correct and colored volumetric fog.
• Hierarchical Bounding Box collision detection system.
• New c-buffer (coverage buffer) type visibility culling.
• Sound support (for Windows and Linux only currently).
• Moving objects and scripts controlling the movement.
• 3D triangle mesh sprites with gouraud shading and LOD (Level of Detail)
• Skeleton animation for 3D triangle mesh sprites
• Support for 8, 15, 16 and 32-bit displays.
• Support for unix (linux and solaris are tested) and DOS, Macintosh, Amiga, Windows 95 version, BeOS, NextStep, Rhapsody and OpenStep ports.
• Optional MMX support.
• New ports to OS/2 and GDI.
• OpenGL port works very well now for Linux, Windows, and BeOS.
• Hierarchical objects (not used in current programs, but implementation exists)
• Glide port works good for Linux and Windows.
• Optional Direct3D hardware acceleration for Windows port.
• 3D sound support
• Reading of Quake II MD2 and 3DS objects
• Low-level networking support.
• C++ source.

More information, screenshots, the source and a unix executable is available on the Crystal Space Homepage.

10.03.1999 Fluxions

10.03.1999

Fluxions is a 3D engine for PCs by Jonathan Metzgar ( microwerx@fcmail.com ).

• Perspective lightmapped texture mapping
• Bi-linear texture-mapping with perspective-correction every 8-16 pixels
• Portal rendering
• Span-buffer hidden surface removal
• 3D sprites (triangle mesh) with Z-Buffering
• C++/ASM source developed with DJGPP and Allegro.

More information, screenshots and the source can be found via the Microwerx Game Programming Homepage .

01.03.1999 3D Foundation Clases

19.12.1997

3DFC is a 3D portal rendering engine from Leandro Bernsmuller (lebe@geocities.com).

• Gouraud shaded, affine texturemapping.
• Portal rendering with edge clip buffer.
• Colored light sources.
• Collision detection between spheres and sectors.
• Support for DOS and Linux (using SvgaLib and X11 Windows).
• Support for backpropagation neural networks .
• Input from keyboard or sockets network communication .
• Support for PCX texture files.
• C++ sources.

More information, screenshots, the source and executables can be found on the 3D Foundation Classes Homepage.

09.02.1999 Focus

27.10.1998

Focus is a simple 3D engine for Windows that is intended as a experimental engine for testing various new techniques from Jacco Bikker ( Jacco.Bikker@HTA.nl ) aka 'The Phantom'.

• Perspective correct (real) bilinear filtered texture mapping
• Tileable 8bit textures (with a palette per texture)
• Sub-pixel, sub-texel accuracy
• MIP-mapping
• Fast tree-based S-buffer rendering and Z-Buffer rendering.
• Curved surfaces
• 32/16/15bit output in a window (5/5/5 and 5/6/5 schemes)
• Light volume based illumination model.
• Lens flares.
• Bump-mapping.
• Real-time shadows.
• Portal rendering.
• Hierarchical objects.
• Supports 16bpp output using the MGL or PCT library.
• Edge anti-aliasing
• Scene smoothing
• Plane clipping: Z=0 or frustum clipping
• Clipping against arbitrary convex 2D region
• Support for Caligary Truespace file
• Import of Targa 24bit image files
• Support for PCT library
• Quake-like console
• C source, critical code in ASM (but C version can be used as toggle)

More information, screenshots, binaries and the souce can be found on the Phantom Cyberspace 3D Homepage .

12.01.1999 3DGPL

27.06.1995

3DGPL 2.0 is a portable 3D engine from Sergei Savchenko (savs@cs.mcgill.ca).

• Perspective texturemapping (via linear interpolation every 32 pixels per scanline)
• Ray tracing.
• Gouraud shading, flat shading of polygons.
• Z-Buffer and BSP rendering.
• Bicubic patches.
• Landscape rendering.
• Portal rendering.
• 2D and 3D clipping.
• 3D transformations with fixed point or float math.
• 2D text rendering.
• Portable C with support for DOS, X11-Windows, NeXTStep, Windows 3.1/95 and Mac.
• Tutorial texts, source code available and extensive 3D documentation

The source, tutorial, screenshots and more information can be found on 3DGPL Homepage. A Mac port of 3DGPL 1.0 done by Ingemar Ragnemalm can be found at ftp.lysator.liu.se.

09.11.1998 Descent I

28.01.1998

Parallax Software Corp. released the original source code to Descent 1.5.

• Perspective, shaded texture-mapping.
• Collision detection.
• Portal rendering (cube scene layout).
• Moving lightsources.
• 3D objects.
• 3D Sprites.
• Object AI.
• No sound or modem support.
• Level editor.
• C/ASM source.
• DJGPP 2.0 port available.

More information and the source can be found on the Descent 1 Source Code Homepage .

12.10.1998 Roketz

05.05.1998

Roketz is a 3D game engine by Lars Andersson ( lars_and@algonet.se ).

• Unshaded, perspective texture mapping.
• Subtexel/subpixel accuracy.
• VGA, Tweaked VGA and VESA 2.0 resolutions.
• Support for DOS, Linux/SVGALib and Linux/X11.
• Quake-like console.
• Portal rendering.
• C++/ASM source that compiles under Watcom, DJGPP2 and GCC.

More information, screenshots, a demo and the source can be found via Lars' 3D Graphics Programming Page.

21.07.1998 Zen Engine

21.07.1998

ZE is 3D engine for Windows 95 by Stuart Abercrombie ( stuart@imaginator.com ).

• Lightmapped perspective texture mapping.
• MIP-mapping.
• Coloured lightmap lighting.
• Surface caching.
• Translucency.
• Mirrors.
• Fogging.
• Sky box rendering.
• Portal rendering.
• Texture coordinate effects (moving clouds, swirling water..)
• Software perspective correct texture-mapping using DirectDraw.
• 3DFX hardware support via Glide.
• C/C++/Asm source (Visual C).

More information, screenshots and the source with documentation can be found on the Zen Engine Homepage.

30.01.1998 P3D

30.01.1998

P3D is a quake like 3D engine for DOS by Pin Fei Sun ( pfsun@undergrad.math.uwaterloo.ca ).

• Gouraud perspective texture mapping.
• BSP rendering.
• Collision detection.
• Dynamic objects.
• Animated textures.
• Portal rendering.
• Z-Buffer rendering
• C++/ASM source.

More information, the source and other 3D demos can be found on the BSP3D Homepage.

22.10.1997 3D Engine (Link Problems!)

13.08.1996

3D Engine is a PC 3D engine by Jean-Francois Dube (deks@videotron.ca) aka 'Deks' of IncaMaster.

• Perspective, shaded texture-mapping.
• Flat, gouraud, phong and bump lightning.
• Environment mapping.
• Z-buffer rendering.
• Multiple RGB light sources.
• Lens-flares.
• 24bit internal rendering, 8 to 24 bit output.
• Simple motion blur.
• Multiple objects.
• 2D clipping.
• Support for portal and BSP rendering.
• Support for 3D Studio ASC, GEO and GEM object files.
• C++ source with some ASM extensions.

More information, screenshots and the source can be found on 3D Engine Homepage .

22.10.1997 Threed

22.10.1997

Threed is the Linux port of the 3D engine by Jean-Francois Dube (deks@videotron.ca) aka 'Deks' of IncaMaster.

• Perspective, shaded texture-mapping.
• Sub-pixel & sub-textel accuracy
• Flat and gouraud shading.
• Multiple objects.
• Multiple rgb light sources.
• Z sort rendering.
• Light-source rendering.
• 2D clipping.
• Support for 3D Studio ASC, GEO and GEM object files.
• C++ source.

More information, screenshots and the source can be found on Threed Homepage .

06.06.1997 World Of Fantasy

30.12.1996

WOF is a Quake viewer for PCs by Frank Willemsen (frankw@xs4all.nl) and Corin Langosch ( corinl@metronet.de ).

• Perspective texture mapping with MIP-mapping.
• Portal rendering.
• BSP rendering.
• Z-buffer and span-buffer.
• Light-maps and Surface cache.
• Realtime lightning effects (like flicker) and dynamic lighting (for fireballs).
• SVGA support.
• Improved collision detection.
• Polygonal objects.
• Moving doors and elevators.
• Multiple viewports.
• Water effect a la Quake.
• Support for Quake level files.
• C/C++ source.

More information, a demo and screenshots can be found on the WOF Homepage, the source of an older version is available on the old World Of Fantasy Homepage.

04.04.1997 Alpha Engine

24.10.1996

The Alpha Engine is a PC 3D engine from Jacco Bikker (Jacco@LostCity.nl). The AE is the followup to his E3Dngine.

• Gouraud shaded, perspective texture mapping.
• Phong shaded polygons.
• Environment mapping.
• Color mixing tables.
• Transparent texture mapping.
• Full 2D portal clipping.
• Hierarchical relative rotation and displacement of objects
• Z-clipping.
• Fast tree-sorting.
• Scaled, transparent 2D sprites.
• Support for 3D Studio ASC and 3DS, PLG and GEM files.
• Support for PCX texture files.
• VESA linear framebuffer support.
• Protected mode using TMT Pascal.
• All sources available (TMT Pascal).

An older version of the engine also supported

• Bump mapping.
• Planar mirrors.
• Lens-flares.

More information, the sources and some tutorials (clipping, texturemapping, rotations...) can be found on the Homepage of Jacco Bikker.

02.03.1998 Portal Demo

02.03.1998

PD is a portal rendering engine from Adrian Perez ( amperez+@andrew.cmu.edu ) published in the Game Developers Magazine in march 1998.

• Flat colored polygons.
• Portal rendering.
• 3D clipping.
• Support for Windows 95 and Direct3D.

More information and the source can be found as mar98.zip on the Source Code page of the Game Developers Magazine.

08.07.1997 EarthQuake

08.07.1997

EarthQuake is a wireframe Quake level viewer from Eric Victor Powers (powerg@deltanet.com).

• Support for Windows 95.
• Perspective wireframe rendering of levels and dynamic objects (BSP and MDL) .
• Extracts and packs Quake PAK files.
• Portal rendering.
• C source.

The source can be found on the EarthQuake Hopmepage.