animation n. 动画 imply v. 暗指，暗示
visual a. 视觉的 scene n. 场景，情景
translation n. 平移 rotation n. 旋转
variation n. 变化 transparency n. 透明性
surface texture 表面纹理 automobile n.〈主美〉汽车
engine n. 引擎 orientation n. 方向，方位，定位
focal length 焦距 lighting effect n. 光照效果
illumination n. 照明 rendering n. 着色，绘画
storyboard n. 剧本 layout n. 布置，版面安排
key-frame 关键帧 in-between frames n. 插值帧
frame-by-frame a. 逐帧的 consecutively adv. 连续地，连贯的
Some typical applications of computer-generated animation are entertainment (motion pictures and cartoons), advertising, scientific and engineering studies, and training and education. Although we tend to think of animation as implying object motions, the term computer animation generally refers to any time sequence of visual changes in a scene. In addition to changing object position with translations or rotations, a computer-generated animation could display time variations in object size, color, transparency, or surface texture.
计算机生成动画的代表性应用有娱乐(电影和卡通片)、广告、科学和工程研究以及培训和教学。尽管我们在考虑动画时暗指对象的移动，但术语“计算机动画”通常指场景中任何随时间而发生的视觉变化。除了通过平移、旋转来改变对象的位置外，计算机生成的动画还可以随时间进展而改变对象大小、颜色、透明性和表面纹理等。
Design of Animation Sequences
In general, a sequence is designed with the following steps:
· Storyboard layout
· Object definitions
· Key-frame specifications
· Generation of in-between frames
动画序列的设计
通常，一个动画序列按照以下几步进行设计：
故事情节拆分
对象定义
关键帧描述
插值帧的生成
Design of Animation Sequences
The storyboard is an outline of the action. It defines the motion sequence as a set of basic events that are to take place. Depending on the type of animation to be produced, the storyboard could consist of a set of rough sketches or it could be a list of the basic ideas for the motion.
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