TAILIEUCHUNG - Essential LightWave 3D- P2

Essential LightWave 3D- P2: 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 2 Symmetry Action Centers The Symmetry action mode is one of the handiest things to come along in LightWave since its integration of OpenGL. With Symmetry active what you do to the right side of your model is automatically mirrored to its left side Figure 2-33 With the Symmetry action mode active selecting the polygons on the right side of the model s nose automatically selects their counterparts on the left side. Any tweaking of the polygons on the right will automatically be mirrored on the left. Note Symmetry is a great tool but to use it you must be immaculate in your modeling skills. Symmetry only works when what is to the left of X 0 is an exact mirror of what is on the right of X 0 just being close won t do a darn bit of good. You can always mirror your model if things get really out of whack. There are also free symmetry fixers but they still require a fair amount of attention to get things back on track. If you are planning to make something that is symmetrical start out with your base form perfectly centered along the X axis and always make sure you have Symmetry active when you are sculpting. An odd thing about the Symmetry function is that with it active if you move something with your mouse s focus to the left of X 0 its effect along the X axis will be backward. Figure 2-34 Under the Modes pop-up menu are selections to tell Modeler where you want your actions to be centered. It s easiest to understand action centers when thinking about rotating something that you have selected. Action Center Mouse Wherever your mouse is positioned becomes the pivot around which your selection is rotated. Action Center Origin When you rotate your selection the rotation will be centered around X 0 Y 0 Z 0. Action Center Pivot Your selection will be rotated around where you have set that layer s pivot point to be. Action Center Selection The rotation will be centered right in the middle of your selection. 18 LightWave Dissected Quick-Info Display In the lower-left

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