我们用SVG绘制了他们的外形，并且通过HTML5脚本控制它们的轮廓在实现各种表情的切换。比如小狗会摇尾巴、吐舌头等，小狐狸可以行走，画面非常可爱。(We draw their shapes with SVG, and control their contours through HTML5 scr ipts to switch the various expressions. For example, the dog wags his tail and spits his tongue. The