{"id":418,"date":"2019-01-24T17:58:00","date_gmt":"2019-01-24T09:58:00","guid":{"rendered":"https:\/\/wp.winter-weng.cc\/work\/?p=418"},"modified":"2019-01-24T17:58:00","modified_gmt":"2019-01-24T09:58:00","slug":"canvas-%e5%9f%ba%e7%a4%8e%e6%87%89%e7%94%a8","status":"publish","type":"post","link":"https:\/\/wp.winter-weng.cc\/work\/?p=418","title":{"rendered":"Canvas \u57fa\u790e\u61c9\u7528"},"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=418\/#%E5%9F%BA%E7%A4%8E%E5%9C%96%E5%BD%A2%E3%80%81%E7%B7%9A%E6%A2%9D%E7%B9%AA%E8%A3%BD\" >\u57fa\u790e\u5716\u5f62\u3001\u7dda\u689d\u7e6a\u88fd<\/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=418\/#%E5%BA%A7%E6%A8%99%E7%B3%BB%E6%8E%A7%E5%88%B6%E3%80%81%E5%8B%95%E6%85%8B%E8%A3%BD%E4%BD%9C\" >\u5ea7\u6a19\u7cfb\u63a7\u5236\u3001\u52d5\u614b\u88fd\u4f5c<\/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=418\/#%E5%B0%8F%E5%BF%83%E5%BE%97\" >\u5c0f\u5fc3\u5f97<\/a><\/li><li class='ez-toc-page-1 ez-toc-heading-level-4'><a class=\"ez-toc-link ez-toc-heading-4\" href=\"https:\/\/wp.winter-weng.cc\/work\/?p=418\/#%E6%87%89%E7%94%A8\" >\u61c9\u7528<\/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 href=\"https:\/\/hahow.in\/courses\/586fae97a8aae907000ce721\/main\" target=\"_blank\" 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)\">\u52d5\u756b\u4e92\u52d5\u7db2\u9801\u7279\u6548\u5165\u9580\uff08JS\/CANVAS\uff09<\/a>\u300b<\/p><p><\/p><\/blockquote>\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E5%9F%BA%E7%A4%8E%E5%9C%96%E5%BD%A2%E3%80%81%E7%B7%9A%E6%A2%9D%E7%B9%AA%E8%A3%BD\"><\/span><strong>\u57fa\u790e\u5716\u5f62\u3001\u7dda\u689d\u7e6a\u88fd<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n<p class=\"codepen\" data-height=\"265\" data-theme-id=\"0\" data-default-tab=\"js,result\" data-user=\"yichinweng\" data-slug-hash=\"exYxBw\" 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 ch45. Canvas\u8207\u7279\u6548\u52d5\u756b- \u7e6a\u5716\u57fa\u790e\u8a9e\u6cd5\u8207\u52d5\u756b\u539f\u7406\">\n  <span>See the Pen <a href=\"https:\/\/codepen.io\/yichinweng\/pen\/exYxBw\/\">\n  \u52d5\u756b\u4e92\u52d5\u7db2\u9801\u7279\u6548 ch45. Canvas\u8207\u7279\u6548\u52d5\u756b- \u7e6a\u5716\u57fa\u790e\u8a9e\u6cd5\u8207\u52d5\u756b\u539f\u7406<\/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=\"%E5%BA%A7%E6%A8%99%E7%B3%BB%E6%8E%A7%E5%88%B6%E3%80%81%E5%8B%95%E6%85%8B%E8%A3%BD%E4%BD%9C\"><\/span><strong>\u5ea7\u6a19\u7cfb\u63a7\u5236\u3001\u52d5\u614b\u88fd\u4f5c<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n<p class=\"codepen\" data-height=\"265\" data-theme-id=\"0\" data-default-tab=\"js,result\" data-user=\"yichinweng\" data-slug-hash=\"pGvMrw\" 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 ch46. 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Canvas\u8207\u7279\u6548\u52d5\u756b- \u756b\u5e03\u7684\u5ea7\u6a19\u7cfb\u64cd\u4f5c<\/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=\"%E5%B0%8F%E5%BF%83%E5%BE%97\"><\/span><strong>\u5c0f\u5fc3\u5f97<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n<ul class=\"wp-block-list\"><li>\u5fc3\u4e2d\u6709\u5ea7\u6a19\uff0c\u4efb\u4f55\u5716\u5f62\u90fd\u96e3\u4e0d\u5012\u4f60<\/li><li>\u8a2d\u8a08\u6bd4\u505a\u66f4\u96e3<\/li><li>\u63a7\u5236\u5ea7\u6a19\u8ef8\u6642\uff0csave() \u8207 restore() \u5f88\u91cd\u8981\uff0c\u5426\u5247\u5f88\u5bb9\u6613\u4e16\u754c\u7206\u70b8<\/li><li>\u7a7a\u9593\u6982\u5ff5\u548c\u6578\u5b78\u4e0d\u80fd\u592a\u5dee (XDD<\/li><li><a rel=\"noreferrer noopener\" aria-label=\"requestAnimationFrame (\u5728\u65b0\u5206\u9801\u4e2d\u958b\u555f)\" href=\"https:\/\/developer.mozilla.org\/zh-TW\/docs\/Web\/API\/Window.requestAnimationFrame\" target=\"_blank\">requestAnimationFrame()<\/a><\/li><\/ul>\n\n\n<h4 class=\"wp-block-heading\"><span class=\"ez-toc-section\" id=\"%E6%87%89%E7%94%A8\"><\/span><strong>\u61c9\u7528<\/strong><span class=\"ez-toc-section-end\"><\/span><\/h4>\n\n\n<ul class=\"wp-block-list\"><li>\u756b\u4e9b\u53ef\u611b\u7684\u5c0f\u6771\u6771<\/li><li>\u52d5\u614b\u3001\u4e92\u52d5\u6027 (\u6ed1\u9f20\u3001\u9375\u76e4\u4e8b\u4ef6) \u5438\u5f15\u4f7f\u7528\u8005\u76ee\u5149<\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\u5167\u5bb9\u53ca\u5be6\u4f5c\u4f86\u81ea\u5433\u54f2\u5b87\u300a\u52d5\u756b\u4e92\u52d5\u7db2\u9801\u7279\u6548\u5165\u9580\uff08JS\/&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"pgc_sgb_lightbox_settings":"","footnotes":""},"categories":[4],"tags":[15,20,21],"class_list":["post-418","post","type-post","status-publish","format-standard","hentry","category-javascript","tag-canvas","tag-html5","tag-javascript"],"_links":{"self":[{"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=\/wp\/v2\/posts\/418","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=418"}],"version-history":[{"count":0,"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=\/wp\/v2\/posts\/418\/revisions"}],"wp:attachment":[{"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=418"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=418"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/wp.winter-weng.cc\/work\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=418"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}