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canvas-star's Introduction

canvas-star

canvas 绘制星星动图效果(慕课网练习)

整体思路

创建 canvas 元素 → 绘制背景图 → 画一颗星星 → 画一堆星星 → 星星闪烁 → 星星移动 → 边界判定

动画部分

  1. 星星闪烁:绘制序列帧
  2. 自己调节序列帧在 requestAmimationFrame() 回调函数中的循环时长
  3. 多个星星的绘制:构造函数(类)的应用

预览

预览地址:https://kuro-p.github.io/canvasStar/

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