{"id":2386,"date":"2012-02-14T13:15:41","date_gmt":"2012-02-14T15:15:41","guid":{"rendered":"https:\/\/www.kadunew.com\/blog\/?p=2386"},"modified":"2012-02-16T10:51:09","modified_gmt":"2012-02-16T12:51:09","slug":"html5-obter-coordenadas-do-mouse","status":"publish","type":"post","link":"https:\/\/www.kadunew.com\/blog\/html\/html5-obter-coordenadas-do-mouse","title":{"rendered":"HTML5 &#8211; Obter Coordenadas do Mouse"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.kadunew.com\/blog\/wp-content\/uploads\/2012\/01\/logo-html5-kadunew.png\" alt=\"HTML5\" title=\"Coordenadas do mouse com HTML5\" width=\"540\" height=\"200\" class=\"aligncenter size-full wp-image-2210\" \/><\/p>\n<p>O script a seguir mostra como pegar as coordenadas X e Y do mouse do usu\u00e1rio usando JavaScript e o elemento canvas da <a href=\"https:\/\/www.kadunew.com\/blog\/category\/html5\">HTML5<\/a>. Perceba que h\u00e1 uma fun\u00e7\u00e3o chamada <strong>getMousePos<\/strong> que retorna as coordenadas com base na posi\u00e7\u00e3o do mouse do usu\u00e1rio e o deslocamento do mouse na p\u00e1gina do navegador.<\/p>\n<p><!--more Continuar lendo...--><br \/>\n<iframe scrolling=\"no\" border=\"0\" style=\"height:200px; width:540px;\" src=\"http:\/\/kadunew.com\/blog\/exemplos\/exemplo-coordenadas-mouse.html\"><\/iframe><\/p>\n<p><strong>JavaScript<\/strong><\/p>\n<pre class=\"brush: jscript; title: ; notranslate\" title=\"\">\r\nfunction writeMessage(canvas, message){\r\n    var context = canvas.getContext(&#039;2d&#039;);\r\n    context.clearRect(0, 0, canvas.width, canvas.height);\r\n    context.font = &#039;18pt Calibri&#039;;\r\n    context.fillStyle = &#039;black&#039;;\r\n    context.fillText(message, 10, 25);\r\n}\r\n \r\nfunction getMousePos(canvas, evt){\r\n    \/\/ get canvas position\r\n    var obj = canvas;\r\n    var top = 0;\r\n    var left = 0;\r\n    while (obj &amp;amp;amp;amp;&amp;amp;amp;amp; obj.tagName != &#039;BODY&#039;) {\r\n        top += obj.offsetTop;\r\n        left += obj.offsetLeft;\r\n        obj = obj.offsetParent;\r\n    }\r\n \r\n    \/\/ return relative mouse position\r\n    var mouseX = evt.clientX - left + window.pageXOffset;\r\n    var mouseY = evt.clientY - top + window.pageYOffset;\r\n    return {\r\n        x: mouseX,\r\n        y: mouseY\r\n    };\r\n}\r\n \r\nwindow.onload = function(){\r\n    var canvas = document.getElementById(&#039;myCanvas&#039;);\r\n    var context = canvas.getContext(&#039;2d&#039;);\r\n \r\n    canvas.addEventListener(&#039;mousemove&#039;, function(evt){\r\n        var mousePos = getMousePos(canvas, evt);\r\n        var message = &quot;Mouse position: &quot; + mousePos.x + &quot;,&quot; + mousePos.y;\r\n        writeMessage(canvas, message);\r\n    }, false);\r\n};\r\n<\/pre>\n<p><strong>HTML<\/strong><\/p>\n<pre class=\"brush: xml; title: ; notranslate\" title=\"\">\r\n  &lt;canvas id=&quot;myCanvas&quot; width=&quot;578&quot; height=&quot;200&quot;&gt;\r\n  &lt;\/canvas&gt;\r\n<\/pre>\n<p><strong>Exemplo:<\/strong><\/p>\n<div class=\"obs\">\n<a href=\"http:\/\/kadunew.com\/blog\/exemplos\/exemplo-coordenadas-mouse.html\">P\u00e1gina de exemplo<\/a>\n<\/div>\n<p><strong>Refer\u00eancia:<\/strong><br \/>\n<a href=\"http:\/\/www.html5canvastutorials.com\/advanced\/html5-canvas-mouse-coordinates\/\">html5canvastutorials<\/a><\/p>\n<p>Me siga no Twitter: <a href=\"http:\/\/twitter.com\/kadunew\" rel=\"nofollow\">@kadunew<\/a> ou assine nosso <a href=\"https:\/\/www.kadunew.com\/blog\/feed\">Feed<\/a> e fique por dentro de todas atualiza\u00e7\u00f5es aqui do blog.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>O script a seguir mostra como pegar as coordenadas X e Y do mouse do usu\u00e1rio usando JavaScript e o elemento canvas da HTML5. Perceba que h\u00e1 uma fun\u00e7\u00e3o chamada getMousePos que retorna as coordenadas com base na posi\u00e7\u00e3o do mouse do usu\u00e1rio e o deslocamento do mouse na p\u00e1gina do navegador.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[59],"tags":[],"class_list":["post-2386","post","type-post","status-publish","format-standard","hentry","category-html"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.6 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>HTML5 - Obter Coordenadas do Mouse<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.kadunew.com\/blog\/html\/html5-obter-coordenadas-do-mouse\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"HTML5 - Obter Coordenadas do Mouse\" \/>\n<meta property=\"og:description\" content=\"O script a seguir mostra como pegar as coordenadas X e Y do mouse do usu\u00e1rio usando JavaScript e o elemento canvas da HTML5. Perceba que h\u00e1 uma fun\u00e7\u00e3o chamada getMousePos que retorna as coordenadas com base na posi\u00e7\u00e3o do mouse do usu\u00e1rio e o deslocamento do mouse na p\u00e1gina do navegador.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.kadunew.com\/blog\/html\/html5-obter-coordenadas-do-mouse\" \/>\n<meta property=\"og:site_name\" content=\"KADUNEW\" \/>\n<meta property=\"article:published_time\" content=\"2012-02-14T15:15:41+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2012-02-16T12:51:09+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.kadunew.com\/blog\/wp-content\/uploads\/2012\/01\/logo-html5-kadunew.png\" \/>\n\t<meta property=\"og:image:width\" content=\"550\" \/>\n\t<meta property=\"og:image:height\" content=\"200\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"Kadu Oliveira\" \/>\n<meta name=\"twitter:label1\" content=\"Escrito por\" \/>\n\t<meta name=\"twitter:data1\" content=\"Kadu Oliveira\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. tempo de leitura\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minuto\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.kadunew.com\/blog\/html\/html5-obter-coordenadas-do-mouse\",\"url\":\"https:\/\/www.kadunew.com\/blog\/html\/html5-obter-coordenadas-do-mouse\",\"name\":\"HTML5 - Obter Coordenadas do Mouse\",\"isPartOf\":{\"@id\":\"https:\/\/www.kadunew.com\/blog\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\/\/www.kadunew.com\/blog\/html\/html5-obter-coordenadas-do-mouse#primaryimage\"},\"image\":{\"@id\":\"https:\/\/www.kadunew.com\/blog\/html\/html5-obter-coordenadas-do-mouse#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.kadunew.com\/blog\/wp-content\/uploads\/2012\/01\/logo-html5-kadunew.png\",\"datePublished\":\"2012-02-14T15:15:41+00:00\",\"dateModified\":\"2012-02-16T12:51:09+00:00\",\"author\":{\"@id\":\"https:\/\/www.kadunew.com\/blog\/#\/schema\/person\/07b2297c4825efbd1e9f2a1018926b05\"},\"breadcrumb\":{\"@id\":\"https:\/\/www.kadunew.com\/blog\/html\/html5-obter-coordenadas-do-mouse#breadcrumb\"},\"inLanguage\":\"pt-BR\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/www.kadunew.com\/blog\/html\/html5-obter-coordenadas-do-mouse\"]}]},{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-BR\",\"@id\":\"https:\/\/www.kadunew.com\/blog\/html\/html5-obter-coordenadas-do-mouse#primaryimage\",\"url\":\"https:\/\/www.kadunew.com\/blog\/wp-content\/uploads\/2012\/01\/logo-html5-kadunew.png\",\"contentUrl\":\"https:\/\/www.kadunew.com\/blog\/wp-content\/uploads\/2012\/01\/logo-html5-kadunew.png\",\"width\":\"550\",\"height\":\"200\"},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/www.kadunew.com\/blog\/html\/html5-obter-coordenadas-do-mouse#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/www.kadunew.com\/blog\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"HTML\",\"item\":\"https:\/\/www.kadunew.com\/blog\/category\/html\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"HTML5 &#8211; Obter Coordenadas do Mouse\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/www.kadunew.com\/blog\/#website\",\"url\":\"https:\/\/www.kadunew.com\/blog\/\",\"name\":\"KADUNEW\",\"description\":\"Artigos sobre Front-End e Programa\u00e7\u00e3o web\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/www.kadunew.com\/blog\/?s={search_term_string}\"},\"query-input\":{\"@type\":\"PropertyValueSpecification\",\"valueRequired\":true,\"valueName\":\"search_term_string\"}}],\"inLanguage\":\"pt-BR\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/www.kadunew.com\/blog\/#\/schema\/person\/07b2297c4825efbd1e9f2a1018926b05\",\"name\":\"Kadu Oliveira\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pt-BR\",\"@id\":\"https:\/\/www.kadunew.com\/blog\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/secure.gravatar.com\/avatar\/780660fded589936b30467c54c99d51a?s=96&r=g\",\"contentUrl\":\"https:\/\/secure.gravatar.com\/avatar\/780660fded589936b30467c54c99d51a?s=96&r=g\",\"caption\":\"Kadu Oliveira\"},\"sameAs\":[\"https:\/\/www.kadunew.com\/blog\"],\"url\":\"https:\/\/www.kadunew.com\/blog\/author\/admin\"}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"HTML5 - Obter Coordenadas do Mouse","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/www.kadunew.com\/blog\/html\/html5-obter-coordenadas-do-mouse","og_locale":"pt_BR","og_type":"article","og_title":"HTML5 - Obter Coordenadas do Mouse","og_description":"O script a seguir mostra como pegar as coordenadas X e Y do mouse do usu\u00e1rio usando JavaScript e o elemento canvas da HTML5. 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