Z-Ground Terrain demo

This demo was just to test my way of rendering terrain in z-ground engine. It is half-finished, not smooth, doesn't 'looks right', and the code is a mess. All in all the result is not very satisfactory but at least it prove that my way works!After some optimization it will be usable, I think.

It looks like some kind of voxel rendering effect but actually not.(I also write one 3D Voxel Terrain engine using as3.0, if you are interested, here it is(with code))
I use nothing but some basic ideas of z-ground to create it. Again, this swf was created by pure code, the textures were generated by my texture generator engine on the fly.
By the way, my next demo of z-ground, which is almost done, is about lighting and shadow, water reflection effect of z-ground engine.

Demo:HERE(arrow key to move)
(BE CAREFUL! It needs lots of time for pre-rendering,to avoid crashing you computer,download it and use a flash player to view. )
Code:UNDER OPTIMIZATION

open-source as3.0 Voxel terrain engine v0.1 released

New Version: http://flaswf.googlecode.com/svn/trunk/VoxelTerrain_v0.15

as3.0开源三维Voxel地形引擎v0.1(单击展开中文)

之前在云风的主页(http://www.fengyun.org/)上看到的用Voxel(体素)实时渲染三维地表的代码，原代码由Andrea "6502" Griffini完成。由于代码过于古老了，无法通过VC++编译，所以一直没看到原效果。一直对地表渲染算法很感兴趣，干脆就改写成as3.0的。as3.0代码基本保持原代码面貌，但采用了OPP格式,并更改了控制方式。目前实现的效果极其简陋，希望今后能有些完善。
演示：(使用方向键控制移动)http://flaswf.googlecode.com/files/voxel_terrain.swf原C代码(由云风提供)：http://turinger.center-tech.com/articlefile/image/newvox_48.zip
AS3.0源代码：http://flaswf.googlecode.com/files/Voxel_v0.1.rar
代码中文注释请参见原C代码(由云风翻译)
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Interested in generating terrains, I wanted to create a real-time terrain engine on flash. I'm trying to write one using action script 3.0 using some 3D classes and perlin noise but it's not finished yet.
Not long before I found Andrea "6502" Griffini's old demo of his voxel terrain (NEWVOX.C). The original C code is really clear and the final work is impressive. So I decided to write another voxel terrain engine using his code.
This is the first step, I just 'translate' his C code into action script 3.0. What I want to do is add textures of terrain, sky and the background, and maybe some lighting effect as well. It's far from being finished.


Demo: 
HERE (use arrow keys to move)
Latest
Source Code:
C(by Andrea "6502" Griffini): thanks to FengYun
C/SDL
AS3.0: HERE Latest

Links: 
http://simulationcorner.net/index.php?page=comanche (JS&Java demo with texture)
http://www.playfuljs.com/realistic-terrain-in-130-lines/ (html5) 

Update on 2012-12-11:
lizhi posted the modified code on wonderfl: http://wonderfl.net/c/9v5N (AS3)

Update on 2019-Feb-11:
Voxel terrain rendering algorithm in less than 20 lines of code:
https://github.com/s-macke/VoxelSpace  (Python, JavaScript)