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examples for canvas learning

Home Page: https://array-huang.github.io/canvas-learning/

License: MIT License

JavaScript 36.53% CSS 4.67% HTML 58.79%

canvas-learning's Introduction

canvas-learning：分享一些本人学习canvas时用来练习的案例

案例1： 井字游戏

案例1-1

  • 简单应用了canvas的一些基础API，如绘制基本图形以及路径。

案例1-2

  • 练习使用Path2D配合translate来复用路径。

案例2：铺砖

  • 练一下批量有规律地输出图形，灵感来自前公司楼下的地砖。

案例3：相框

  • 主要是练习canvas图片相关的API。

案例4：进度条

  • 练习canvas文字相关的API。
  • 练习canvas动画。

案例4-1：长条进度条

案例4-2：圆形进度条

案例5：做自由落体运动的球

案例5-1

  • 练习自由落体运动的动画。
  • 练习在动画里同时处理多个图形。

案例5-2：用户交互加强版

  • 用户可以通过拖动球来改变其位置，若新位置不在画布底部，则开始做自由落体运动。
  • 练习canvas用户交互。

案例6：“过年就是这个味儿”活动页

  • 此案例来自于我过往的一个项目，当时是用css3来做的，现在改成用canvas来实现。
  • 练习触控手势：pressmove / pinch / rotate。
  • 练习canvas的变形相关API：translate / scale / rotate。

附 思维导图 - canvas常用api

思维导图 - canvas常用api

canvas-learning's People

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