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      <description>永远是个初学者</description>
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      <managingEditor>song58ge@gmail.com (GeSong)</managingEditor>
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    <title>实现无限画布</title>
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    <description>无限画布是视口上的一台相机：世界坐标无界，屏幕只是平移和缩放后的窗口。本文给出可交互示例，并比较 DOM 变换、Canvas 2D、视口裁剪和 WebGL 四条实现路线。</description>
    <pubDate>Mon, 09 Nov 2026 00:00:00 GMT</pubDate>
    <author>song58ge@gmail.com (GeSong)</author>
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