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Flash 3D engines brought to Internet a new dimension to designers present their work. Great works were made since Papervision 3D and other know 3D engines appeared . Today i bring you some cool stuff, that you can use in your own projects. If you don’t know yet how to start with Papervision 3d you might want to have a look to our tutorials page .
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VizualPV3D is a Flash Visualization Application that provides a GUI interface to create and manipulate objects in 3D scenes using Papervision3D.
VizualPV3D was originally created by JUXT Sr. ActionScripter, Gary Stasiuk, to help produce the Adobe Brilliant site. Over the past few months Gary has invested a great deal of time and passion into evolving this labor of love so he can share it with the world.
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该接触PV3D这个引擎,而且对3D的编程也是一种半解,所以Mark两篇文章,以备自己学习PV3D用..
人类最初用9个值的矩阵（Matrix），来表示一个三维物体的旋转位置。它的缺陷是数据大，和无法自动在两个角度间产生过度的角度。
由于矩阵描述角度过于抽象，人类又发明了3个值的优拉角（Euler）。可优拉角是个很不负责任的家伙，旋转圈数和旋转顺序完全不做区分。三维动画师最厌 恶的情况之一‘万向锁（Gimbal Lock）’就是这个家伙的问题。按不同轴以优拉角旋转几次后，出现x,y,z三个轴完全变成同向的情况，也就是说，优拉角很容易出现旋转到最后只剩一个 方向可以旋转的情况，这就是恐怖的‘万向锁’。
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Tiobe近日公布了2009年5月的编程语言排行榜，本期榜单前十名没有变化，Java、C、C++依然以绝对优势占据前三甲的位 置；Visual Basic在4月出现了1.16%的下滑，但依旧以8.631%的占有率守住前五名的关口。本期前十名的语言分别是：Java、C、C++、PHP、 Visual Basic、Python、C#、JavaScript、Perl、Ruby。

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转自：http://www.richnetapps.com/as3-performance-optimization/
AS3 Performance Optimization
orking on a CPU-intensive app in flash is a challenging experience. It can be wonderful or frustrating, depending on your mindset.
Based on my experience with the flash chess and other intensive applications, I’ll give some tips and ideas on how to get the most out of your flash project.
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