TAILIEUCHUNG - Essential LightWave 3D- P20

Essential LightWave 3D- P20: What you have in your hands is, quite simply, a collection of tools and techniques that many professional LightWave artists use every single day doing what we do in our various fields. The tools and techniques explored in this book are essential to creating the caliber of imagery that you see on film and television and in print and video games. | Chapter 20 Figure 20-78 The Preview window in Sasquatch is easy to set up and a real time-saver. Both SasLite and Sasquatch render little straight lines when they make fibers. These look curved but like a polygon really Figure 20-79 The Rendering page of the Sasquatch Pixel Filter panel. aren t. In SasLite the number of curves is fixed. If there aren t enough for the coarseness and frizziness you have chosen you might see the lines. Much more commonly there are many more than you need especially if you are making fairly straight fibers. But you are going to render them all anyway because you can t change the number. In Sasquatch you can edit the Fiber Divisions number so you aren t rendering any more segments than you need to. Once again this can save quite a bit of time over a long animation. In fact Sasquatch can save you so much time that if you have clients and time is money it will probably pay for itself in short order. And that s without all the extra capabilities However let s talk about those for a few moments. 558 Simulations 3 Fur and Hair Sasquatch s Valuable Extra Features There are things that SasLite simply can t do that Sasquatch can. For instance SasLite can t cast shadows on anything in any way for any reason. Sasquatch includes a surface shader Shadow of Sasquatch that allows you to selectively cast shadows on any surface in the scene in addition to controlling the opacity colored highlights and softness among other things. It uses shadow maps so it s fast. You can control the size of the map in the Pixel Filter panel so you can use small maps for small or distant objects and high-resolution maps for close-ups and detail work. Figure 20-80 Shadow of Sasquatch Shader panel. The SasLite displacement as you know has one panel of options. Sasquatch has nine including dynamics most of them can accept surface textures and some can be animated. Surface textures are called by clicking a little S next to the name of the attribute. That opens a panel that

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