TAILIEUCHUNG - Physics of Balance & Weight Shift

The University has federally registered several marks including the wordmarks, UK, University of Kentucky, Go Big Blue, Kentucky Wildcats, Kentucky, the Wildcat logos (3), two different interlocking UK designs, the UK logo with the Memorial Hall silhouette, among others. Permission is not needed to use athletic logos on UK publications; however the University has a product licensing agreement for use on commercial products. See “Licensing Agreement” section of this manual for more information | January 2011 We come into this world head first and go out feet first in between it is all a matter of balance. Paul Boise Physics of Balance Weight Shift This tutorial helps you create realistic poses for your characters by showing you the basic principles of balance. You ll also see how weigh shift affects a pose and what makes an action pose dynamic. 2011 Alejandro L. Garcia Creative Commons Attribution-Noncommercial-Share Alike United States License Character Design Establishing balanced poses for your characters is an important stage in the design process. You don t want a standing character to look like it s about to tip over unless it s supposed to . So how do you know that a character s pose is in balance Consider these various poses which ones are in balance and which ones are not. How can you tell the difference Is the character s weight correctly reflected in the pose Understanding the principles of balance is equally important in visual development and for animation since stationary characters and objects in a scene need to be in balance. The principles of balance also apply to moving characters which need to be in or out of balance in a way that s consistent with how they re moving. Balance is not the same as s symmetry is not the same as mmetry and valance. 2 Animation Physics Balance Weight Shift Center of Gravity The average position of an object s weight distribution is called the center of gravity CG . For simple solid objects such as a baseball or a brick the center of gravity is located at the geometric center. If an object does not have a uniform weight distribution then the center of gravity will be closer to where most of the weight is located. For example the center of gravity for a hammer is located close to where the head connects to the handle. The center of gravity can be located at an empty point in space such as the center of a hollow ball. The center of gravity can even be completely outside of an object such as for a donut or a .

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