{"id":6534,"date":"2024-06-06T11:02:31","date_gmt":"2024-06-06T11:02:31","guid":{"rendered":"http:\/\/the-codest.localhost\/dictionary\/back-face-culling\/"},"modified":"2024-06-06T11:02:31","modified_gmt":"2024-06-06T11:02:31","slug":"abate-da-face-dorsal","status":"publish","type":"dictionary","link":"https:\/\/thecodest.co\/pt\/dictionary\/back-face-culling\/","title":{"rendered":"Abate da face posterior"},"content":{"rendered":"<h1>Abate da face posterior<\/h1>\n<p>O \"back face culling\" \u00e9 uma t\u00e9cnica utilizada em computa\u00e7\u00e3o gr\u00e1fica para melhorar o desempenho de renderiza\u00e7\u00e3o de objectos tridimensionais. \u00c9 um processo que consiste em eliminar as faces de um objeto 3D que n\u00e3o s\u00e3o vis\u00edveis para o observador. A t\u00e9cnica baseia-se no princ\u00edpio de que uma face s\u00f3 \u00e9 vis\u00edvel se o seu vetor normal apontar na dire\u00e7\u00e3o do observador.<\/p>\n<p>Quando um objeto 3D \u00e9 renderizado, cada face do objeto \u00e9 verificada para ver se est\u00e1 virada para o observador ou para longe do observador. Se uma face estiver virada para longe do observador, \u00e9 descartada e o motor de renderiza\u00e7\u00e3o passa para a face seguinte. Esse processo \u00e9 chamado de sele\u00e7\u00e3o de face posterior.<\/p>\n<p>A sele\u00e7\u00e3o de faces traseiras \u00e9 uma t\u00e9cnica importante utilizada em gr\u00e1ficos 3D porque pode melhorar significativamente o desempenho do processo de renderiza\u00e7\u00e3o. Ao descartar as faces que n\u00e3o s\u00e3o vis\u00edveis, o motor de renderiza\u00e7\u00e3o pode concentrar-se em renderizar apenas as faces vis\u00edveis, o que reduz o n\u00famero de c\u00e1lculos necess\u00e1rios para renderizar uma cena. Isto, por sua vez, reduz o tempo necess\u00e1rio para processar uma cena, tornando o processo de processamento mais eficiente.<\/p>\n<p>A sele\u00e7\u00e3o de faces traseiras \u00e9 utilizada em muitas aplica\u00e7\u00f5es gr\u00e1ficas 3D, incluindo jogos de v\u00eddeo, realidade virtual e desenho assistido por computador (<a href=\"https:\/\/thecodest.co\/pt\/dictionary\/computer-aided-design-cad\/\">CAD<\/a>). \u00c9 particularmente \u00fatil em aplica\u00e7\u00f5es que requerem renderiza\u00e7\u00e3o em tempo real, como jogos de v\u00eddeo, em que o desempenho do motor de renderiza\u00e7\u00e3o \u00e9 fundamental para a experi\u00eancia do utilizador.<\/p>\n<p>Em conclus\u00e3o, a elimina\u00e7\u00e3o de faces traseiras \u00e9 uma t\u00e9cnica poderosa utilizada em gr\u00e1ficos 3D para melhorar o desempenho de renderiza\u00e7\u00e3o de objectos. Baseia-se no princ\u00edpio de descartar as faces de um objeto que n\u00e3o s\u00e3o vis\u00edveis para o observador, o que reduz o n\u00famero de c\u00e1lculos necess\u00e1rios para renderizar uma cena, tornando o processo de renderiza\u00e7\u00e3o mais eficiente.<\/p>","protected":false},"excerpt":{"rendered":"<p>Saiba mais sobre o \"back face culling\", uma t\u00e9cnica utilizada em #3Dgraphics para melhorar o desempenho de renderiza\u00e7\u00e3o, descartando faces n\u00e3o vis\u00edveis de objectos. #computa\u00e7\u00e3o gr\u00e1fica #jogos de v\u00eddeo #CADsoftware<\/p>","protected":false},"template":"","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"class_list":["post-6534","dictionary","type-dictionary","status-publish","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v27.3 (Yoast SEO v27.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Back Face Culling - The Codest<\/title>\n<meta name=\"description\" content=\"Learn about back face culling, a technique used in #3Dgraphics to improve rendering performance by discarding non-visible faces of objects. #computergraphics #videogames #CADsoftware\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/thecodest.co\/pt\/dicionario\/abate-da-face-dorsal\/\" \/>\n<meta property=\"og:locale\" content=\"pt_PT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Back Face Culling\" \/>\n<meta property=\"og:description\" content=\"Learn about back face culling, a technique used in #3Dgraphics to improve rendering performance by discarding non-visible faces of objects. #computergraphics #videogames #CADsoftware\" \/>\n<meta property=\"og:url\" content=\"https:\/\/thecodest.co\/pt\/dicionario\/abate-da-face-dorsal\/\" \/>\n<meta property=\"og:site_name\" content=\"The Codest\" \/>\n<meta property=\"og:image\" content=\"https:\/\/thecodest.co\/app\/uploads\/2024\/06\/cover-image.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"675\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/thecodest.co\\\/dictionary\\\/back-face-culling\\\/\",\"url\":\"https:\\\/\\\/thecodest.co\\\/dictionary\\\/back-face-culling\\\/\",\"name\":\"Back Face Culling - 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