巧用Flash 移动遮罩技术制作特效动画

利用Flash遮罩特效制作了一个探照灯动画。先创建一个文本图层，然后建立动画，最后建立背景并且修改完成。重点介绍遮罩特效的原理及遮罩层使用、创作，其可扩展应用于制作各种镂空图形效果动画。

Using Flash Mask to Create Effects Animation

This paper use flash mask created a searchlight animation effects and in the process of production ,first create a text layer ,and then set up animation ,finally establishes background and modify complete .This paper emphasis on the principle of the masking effects ,how to use the mask layer ,create a simple mask ,extensible application for the produc‐tion of a variety of hollow out graphics animation .