html5做的3d的人脸动画，人脸可以用鼠标拖动，可以分辨出人嘴和眼睛-html5 do 3d animation human face, human face can be dragged with the mouse, you can tell in the mouth and eyes

画出一个笑脸，颜色黄色，脸部为正圆，包括眼睛和嘴-Draw a smiley face, the color yellow, the face is a perfect circle, including the eyes and mouth