这个示例叫疯狂的触手，移动鼠标可以进行涂鸦，点击鼠标可以清除画布。 绚丽的色彩带来震撼的效果，看见了就忍不住玩一下。-This example is called the crazy tentacles, mobile mouse can be graffiti, click the mouse to clear the canvas. The brilliant color brings the effect that the shock, see and can t help but