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Away3D 3.6 Cookbook by Michael Ivanov

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Getting your hands dirty with Pixel Bender materials

The Away3D materials package has got a unique group of materials with one common feature which is Pixel Bender shaders. It is easy to identify these materials. Each class in the materials package that has, in the middle of its name, the letters "PB" or "MultiPass" uses Pixel Bender filters for shading. Unlike other shaded materials that use image processing algorithms created with ActionScript, PB materials use external filters which were written and compiled using the Adobe Pixel Bender toolkit.

Pixel Bender shading is more sophisticated and creates much more impressive visual results than the regular shading in Away3D. Pixel Bender processes sampling each pixel of an input bitmap data. In ...

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