{"id":450,"date":"2019-03-07T06:45:46","date_gmt":"2019-03-06T22:45:46","guid":{"rendered":"https:\/\/wp.winter-weng.cc\/work\/?p=450"},"modified":"2019-03-07T06:45:46","modified_gmt":"2019-03-06T22:45:46","slug":"canvas-%e6%a5%b5%e5%9d%90%e6%a8%99","status":"publish","type":"post","link":"https:\/\/wp.winter-weng.cc\/work\/?p=450","title":{"rendered":"Canvas \u6975\u5750\u6a19\u3001\u4e09\u89d2\u51fd\u6578"},"content":{"rendered":"<div id=\"ez-toc-container\" class=\"ez-toc-v2_0_75 counter-hierarchy ez-toc-counter ez-toc-grey ez-toc-container-direction\">\n<div class=\"ez-toc-title-container\">\n<p class=\"ez-toc-title\" style=\"cursor:inherit\">Table of Contents<\/p>\n<span class=\"ez-toc-title-toggle\"><a href=\"#\" class=\"ez-toc-pull-right ez-toc-btn ez-toc-btn-xs ez-toc-btn-default ez-toc-toggle\" aria-label=\"\u986f\u793a\/\u96b1\u85cf\u5167\u5bb9\u76ee\u9304\"><span class=\"ez-toc-js-icon-con\"><span class=\"\"><span class=\"eztoc-hide\" style=\"display:none;\">Toggle<\/span><span class=\"ez-toc-icon-toggle-span\"><svg style=\"fill: #999;color:#999\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" class=\"list-377408\" width=\"20px\" height=\"20px\" viewBox=\"0 0 24 24\" fill=\"none\"><path d=\"M6 6H4v2h2V6zm14 0H8v2h12V6zM4 11h2v2H4v-2zm16 0H8v2h12v-2zM4 16h2v2H4v-2zm16 0H8v2h12v-2z\" fill=\"currentColor\"><\/path><\/svg><svg style=\"fill: #999;color:#999\" class=\"arrow-unsorted-368013\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"10px\" height=\"10px\" viewBox=\"0 0 24 24\" version=\"1.2\" baseProfile=\"tiny\"><path d=\"M18.2 9.3l-6.2-6.3-6.2 6.3c-.2.2-.3.4-.3.7s.1.5.3.7c.2.2.4.3.7.3h11c.3 0 .5-.1.7-.3.2-.2.3-.5.3-.7s-.1-.5-.3-.7zM5.8 14.7l6.2 6.3 6.2-6.3c.2-.2.3-.5.3-.7s-.1-.5-.3-.7c-.2-.2-.4-.3-.7-.3h-11c-.3 0-.5.1-.7.3-.2.2-.3.5-.3.7s.1.5.3.7z\"\/><\/svg><\/span><\/span><\/span><\/a><\/span><\/div>\n<nav><ul class='ez-toc-list ez-toc-list-level-1 ' ><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-1\" href=\"https:\/\/wp.winter-weng.cc\/work\/?p=450\/#%E6%A5%B5%E5%9D%90%E6%A8%99\" >\u6975\u5750\u6a19<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-2\" href=\"https:\/\/wp.winter-weng.cc\/work\/?p=450\/#%E4%B8%89%E8%A7%92%E5%87%BD%E6%95%B8_%E2%80%93_%E7%B9%AA%E8%A3%BD%E5%A4%9A%E9%82%8A%E5%BD%A2\" >\u4e09\u89d2\u51fd\u6578 &#8211; \u7e6a\u88fd\u591a\u908a\u5f62<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-3\" href=\"https:\/\/wp.winter-weng.cc\/work\/?p=450\/#%E4%B8%89%E8%A7%92%E5%87%BD%E6%95%B8_%E2%80%93_%E6%B3%A2%E5%BD%A2%E8%88%87%E8%BB%8C%E8%B7%A1\" >\u4e09\u89d2\u51fd\u6578 &#8211; \u6ce2\u5f62\u8207\u8ecc\u8de1<\/a><\/li><\/ul><\/nav><\/div>\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u5167\u5bb9\u53ca\u5be6\u4f5c\u4f86\u81ea\u5433\u54f2\u5b87\u300a<a rel=\"noreferrer noopener\" aria-label=\"\u52d5\u756b\u4e92\u52d5\u7db2\u9801\u7279\u6548\u5165\u9580\uff08JS\/CANVAS\uff09 (\u5728\u65b0\u5206\u9801\u4e2d\u958b\u555f)\" href=\"https:\/\/hahow.in\/courses\/586fae97a8aae907000ce721\/main\" target=\"_blank\">\u52d5\u756b\u4e92\u52d5\u7db2\u9801\u7279\u6548\u5165\u9580\uff08JS\/CANVAS\uff09<\/a>\u300b<\/p><\/blockquote>\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%A5%B5%E5%9D%90%E6%A8%99\"><\/span><strong>\u6975\u5750\u6a19<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n<p>x, y \u5ea7\u6a19\u7cfb\u6709\u4e00\u4e9b\u5c0f\u7f3a\u9ede\uff0c\u4f8b\u5982\u4f7f\u7528\u4e0a\u4e0d\u76f4\u89ba\u3001\u88fd\u4f5c\u65cb\u8f49\u6548\u679c\u8f03\u56f0\u96e3\u7b49\u3002\u53ef\u4ee5\u6539\u7531\u900f\u904e\u534a\u5f91 (r) \u548c\u89d2\u5ea6 (\u03b8) \u4f86\u63cf\u8ff0\u5ea7\u6a19\u3002\u4f7f\u7528\u6975\u5750\u6a19\u7cfb\u7d71\uff0c\u7d93\u5e38\u9700\u8981\u89d2\u5ea6\u8f49\u63db\uff0c\u5728\u6578\u5b78\u548c\u4e09\u89d2\u51fd\u6578\u7684\u4f7f\u7528\u4e0a\u4e5f\u6703\u8f03\u591a\u3002<\/p>\n\n\n<p class=\"codepen\" data-height=\"265\" data-theme-id=\"0\" data-default-tab=\"js,result\" data-user=\"yichinweng\" data-slug-hash=\"MLRPjZ\" style=\"height: 265px;align-items: center;justify-content: center;border: 2px solid black;margin: 1em 0;padding: 1em\" data-pen-title=\"\u52d5\u756b\u4e92\u52d5\u7db2\u9801\u7279\u6548 ch52. Canvas\u8207\u7279\u6548\u52d5\u756b- \u6975\u5ea7\u6a19\u7684\u57fa\u790e\u6982\u5ff5\">\n  <span>See the Pen <a href=\"https:\/\/codepen.io\/yichinweng\/pen\/MLRPjZ\/\">\n  \u52d5\u756b\u4e92\u52d5\u7db2\u9801\u7279\u6548 ch52. 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Canvas\u8207\u7279\u6548\u52d5\u756b- \u4e09\u89d2\u51fd\u6578\u5165\u9580 - \u7e6a\u88fd\u591a\u908a\u5f62\">\n  <span>See the Pen <a href=\"https:\/\/codepen.io\/yichinweng\/pen\/drpPjQ\/\">\n  \u52d5\u756b\u4e92\u52d5\u7db2\u9801\u7279\u6548 ch53. Canvas\u8207\u7279\u6548\u52d5\u756b- \u4e09\u89d2\u51fd\u6578\u5165\u9580 &#8211; \u7e6a\u88fd\u591a\u908a\u5f62<\/a> by Winter (<a href=\"https:\/\/codepen.io\/yichinweng\">@yichinweng<\/a>)\n  on <a href=\"https:\/\/codepen.io\">CodePen<\/a>.<\/span>\n<\/p>\n\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E4%B8%89%E8%A7%92%E5%87%BD%E6%95%B8_%E2%80%93_%E6%B3%A2%E5%BD%A2%E8%88%87%E8%BB%8C%E8%B7%A1\"><\/span><strong>\u4e09\u89d2\u51fd\u6578 &#8211; \u6ce2\u5f62\u8207\u8ecc\u8de1<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n<p>\u900f\u904e\u4e09\u89d2\u51fd\u6578\u7684\u6ce2\u5f62\uff0c\u518d\u7d66\u4e88\u4e00\u4e9b\u96a8\u6a5f\u7684\u8b8a\u6578\uff0c\u53ef\u4ee5\u6a21\u64ec\u96dc\u8a0a\uff0c\u642d\u914d\u53cd\u5411\u7684\u6ce2\u5f62\u5247\u53ef\u4ee5\u7e6a\u88fd\u51fa DNA \u7684\u5716\u5f62\u3002<\/p>\n\n\n<p class=\"codepen\" data-height=\"265\" data-theme-id=\"0\" data-default-tab=\"js,result\" data-user=\"yichinweng\" data-slug-hash=\"eXgaay\" style=\"height: 265px;align-items: center;justify-content: center;border: 2px solid black;margin: 1em 0;padding: 1em\" data-pen-title=\"\u52d5\u756b\u4e92\u52d5\u7db2\u9801\u7279\u6548 ch54. 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