参考资料： - 《HTML5 Canvas 开发详解》- 莫振杰 - 《HTML5 Canvas 核心技术》 - [https://www.runoob.com/w3cnote/html5-canvas-intro.html](https://www.runoob.com/w3cnote/html5-canvas-intro.html) - [https://www.imooc.com/search/?type=course&words=canvas](https://www.imooc.com/search/?type=course&words=canvas) 代码仓库：[https://github.com/ChenMingK/CanvasDemos/tree/master/Canvas%E5%AD%A6%E4%B9%A0%E4%B9%8B%E6%97%85](https://github.com/ChenMingK/CanvasDemos/tree/master/Canvas%E5%AD%A6%E4%B9%A0%E4%B9%8B%E6%97%85)