Gould 是个争议性人物，他的钢琴演奏受到无数人的唾骂，也受到无数人的赞美。我今天听了他的 Mozart piano sonata no.12，感觉是：这应该才是 Mozart 爷爷想说的。
下面是一个 Gould 弹 Mozart 的视频。传说他在音乐会上也是这样弹的…
下面有个 comment 也表达了我的想法：
Glenn is such a phenomenom to me, he plays exact, and precise, evey note is exactly equal in value, yet, there is passion and love for the music, if anybody else played like this, it would be almost mechanical, robotic, gould has mastered something i dont think many others will come close to.
前面一种显然是错误的，后面一种则是对真实阴影的“零阶近似”。为什么？看看这张图就知道了，这是我用 Blender 渲染的。看到了么？真实的阴影在离物体近的地方是比较锐利的，离物体越远越模糊。而 id Tech5 似乎已经实现了真实阴影的“一阶近似”（也许是更高阶）。注意下面第三张截图的左边，人物肩膀上的盔甲在衣服上投下的阴影。
开放的户外场景，改进的 MegaTexture。
更先进的 shader。从截图上看，不仅是金属，其他各种材质在 id Tech5 里都有异常真实的表现，不像 Doom3 里只有金属… 那个人脸的特写，就像照片一样…
HDR。这个是 Doom3 的一大缺憾…
改写一段 Man in Black 的台词作为结尾吧：
After Quake, everybody knew that the world was a 3D one. After Quake II, everybody knew that lights could be colorful. After Quake III, everybody knew that a texture could be mapped onto a cylinder. After Doom3, everybody knew that without light, the world would be all black. Today, we know that shadows are fuzzy. Imagine what we will know, tomorrow.
A small figure gallops across the windswept ice slope. The bundled rider is mounted on a large gray snow lizard, a Tauntaun. Curving plumes of snow rise from beneath the speeding paws of the two-legged beast. The rider gallops up a slope and reins his lizard to a stop. Pulling off his protective goggles, Luke Skywalker notices something in the sky. He takes a pair of electrobinoculars from his utility belt and through them sees smoke rising from where the probe robot has crashed. The wind whips at Luke’s fur-lined cap and he activates a comlink transmitter. His Tauntaun shifts and moans nervously beneath him.
安上了 MacTeX，这是运行在 Mac OS X 下的基于 TeXLive 的发行版，比 CTeX 还大… 不过像 CTeX 一样，装起来很方便，不用配置，而且一上来就可以排中文~~，不过据我的试验，编码只能为 utf-8，而且可以用的简体字体只有一个 gbsn，这个字体比 M$ 的那个 simsun 好看多了~~。
\\documentclass[12pt]{article}\\usepackage{CJK}\\begin{document}\\begin{CJK}{UTF8}{gbsn}
This is a test. 中文测试。
\\textbf{粗体}，\\textit{斜体}，\\texttt{等宽字体}\\ldots\\end{CJK}\\end{document}%%% Local Variables:
%%% mode: latex
%%% TeX-master: t
%%% End:
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