tailieunhanh - GAME SPRITE ANIMATION TUTORIAL

DreamWorks Animation creates family entertainment, including animated feature films, television specials and series, live entertainment properties and related consumer products, meant for audiences around the world. We have released a total of 23 animated feature films of which Shrek the Third, Shrek 2 and Madagascar were the highest-grossing animated films in the domestic box office in their respective years of release, and Shrek 2 remains the fifth-highest grossing film of all time in the domestic box office. Historically, our business plan has generally been to release two animated feature films per year. In 2009, we announced that, beginning in 2010, we generally expect to release a total. | Game Sprite Animation Tutorial By Ari Feldman ari@ Excerpted from Chapter 9 of my book Designing Arcade Computer Game Graphics by WordWare Publishing Inc. ISBN 1-55622-755-8 . 294 Chapter 9 Arcade Game Animation What is Animation Animation is the process that produces the illusion of movement. It works by displaying two or more image fragments called frames also commonly referred to as cells . When these frames are displayed in rapid succession with subtle changes made to their content our eyes register these changes as movement. Animation is not a mystical art. Rather it s a well-established process that combines the aesthetics of design with real-world physics in order to breathe life into what are otherwise static objects and scenes. This chapter will introduce the fundamental concepts behind animation to you so that you can create and implement animation in your own arcade game projects. Animation Properties and Fundamentals To be able to create effective animation you must learn how to divide the elements of motion into their basic components. This means breaking them down into a sequence of easy-to-follow frames. However before you can do this you must first learn and master two things the art of observation and the characteristics of basic motion. The secret behind creating great animation lies in keen observation and the ability to focus on the subtle details of how different objects move. Every object exhibits certain peculiarities as it moves. Some of these idiosyncrasies are slight while others are more pronounced. As such there are several characteristics of motion that you should be aware of before attempting to animate an object. These characteristics include such things as Motion lines Motion angles Key-frames and in-betweens Weight and gravity Flexibility Secondary actions Cycles and loops Tempo Motion Lines A motion line sometimes referred to as a natural path is an invisible line created by an object as it performs a series of .