{"id":17512,"date":"2019-02-08T13:29:21","date_gmt":"2019-02-08T12:29:21","guid":{"rendered":"http:\/\/projectes.xtec.cat\/programacioirobotica\/?page_id=17512"},"modified":"2020-08-29T18:32:56","modified_gmt":"2020-08-29T16:32:56","slug":"sessio-8-potser-si-potser-no","status":"publish","type":"page","link":"https:\/\/agora.xtec.cat\/iesroquetes\/scratch-challenge\/modul-1-comenca-lscratch-aventura-scratch-3\/sessio-8-potser-si-potser-no\/","title":{"rendered":"Sessi\u00f3 8. Potser s\u00ed, potser no"},"content":{"rendered":"<h2>Pla de treball<\/h2>\n<div style=\"padding-left: 50px;\">\n<ul>\n<li>Estructura condicional<\/li>\n<li>Expressions l\u00f2giques<\/li>\n<li>Sensors i operadors<\/li>\n<li>Preguntes i respostes<\/li>\n<\/ul>\n<\/div>\n<hr \/>\n<h2>Posa condicions als moviments<\/h2>\n<p>Introduir\u00e0s una condici\u00f3 a una estructura iterativa que, inicialment no t\u00e9 l\u00edmit.<\/p>\n<p><img decoding=\"async\" class=\"alignnone\" src=\"http:\/\/projectes.xtec.cat\/programacioirobotica\/wp-content\/uploads\/usu604\/2017\/06\/scratch-icona_tasques.png\" alt=\"Pas a pas\" width=\"32\" \/> <strong>Fem-ho pas a pas<\/strong><\/p>\n<div style=\"padding-left: 50px;\">\n<ul>\n<li>Entra al teu compte de l&#8217;Scratch i obre el projecte de l&#8217;<strong>Storyboard<\/strong>.<\/li>\n<li>Fes que un dels teus personatges augmenti la seva mida de forma indefinida:<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-17718\" src=\"https:\/\/projectes.xtec.cat\/programacioirobotica\/wp-content\/uploads\/usu604\/2019\/01\/s9m1augmentamida.png\" alt=\"\" width=\"149\" height=\"141\" \/><\/li>\n<li>Has vist anteriorment la categoria <strong>Control<\/strong> per utilitzar les estructures iteratives. Ara veur\u00e0s les <strong>estructures condicionals<\/strong>:<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-18024\" src=\"https:\/\/projectes.xtec.cat\/programacioirobotica\/wp-content\/uploads\/usu604\/2019\/02\/s9m1condicional.jpg\" alt=\"\" width=\"223\" height=\"738\" \/><\/li>\n<li>Li afegir\u00e0s, doncs, una condici\u00f3. Per fer-ho utilitzar\u00e0s el bloc <strong>si &#8230; llavors<\/strong>:<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-17720\" src=\"https:\/\/projectes.xtec.cat\/programacioirobotica\/wp-content\/uploads\/usu604\/2019\/01\/s9m1condicio.png\" alt=\"\" width=\"128\" height=\"80\" \/><\/li>\n<li>Fixa&#8217;t que el lloc on has de posar la condici\u00f3 t\u00e9 els extrems punxeguts, per tant, haur\u00e0s de cercar on hi ha els blocs amb extrems punxeguts. Els blocs amb extrems punxeguts s\u00f3n <strong>expressions l\u00f2giques<\/strong>, que poden ser certes o falses, i que les pots trobar a les categories <strong>Operadors<\/strong> i <strong>Sensors<\/strong><\/li>\n<li>A la categoria <strong>Sensors<\/strong> trobar\u00e0s el bloc <strong>tocant,<\/strong> que t\u00e9 un desplegable on pots triar els diferents personatges que hi ha al teu projecte.<\/li>\n<li>Li afegir\u00e0s al programa del teu personatge un control inicial per tal que <strong>fixi la mida al 100%, <\/strong>i dins del <strong>bucle<\/strong> li posar\u00e0s una condici\u00f3 amb la qual deixar\u00e0 de cr\u00e9ixer quan toqui un altre dels teus personatges:<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-17722\" src=\"https:\/\/projectes.xtec.cat\/programacioirobotica\/wp-content\/uploads\/usu604\/2019\/01\/s9m1tocantunpersonatge.png\" alt=\"\" width=\"225\" height=\"261\" \/><\/li>\n<\/ul>\n<\/div>\n<hr \/>\n<p><img decoding=\"async\" class=\"alignnone\" src=\"http:\/\/projectes.xtec.cat\/programacioirobotica\/wp-content\/uploads\/usu604\/2017\/06\/scratch-icona_repte.png\" alt=\"Icona repte\" width=\"32\" \/> <img decoding=\"async\" class=\"alignnone\" src=\"http:\/\/projectes.xtec.cat\/programacioirobotica\/wp-content\/uploads\/usu604\/2017\/06\/scratch-repte1.png\" alt=\"Repte 1\" width=\"100\" \/><\/p>\n<p>Modifica el projecte de manera que el personatge deixi de cr\u00e9ixer si toca un altre personatge o si est\u00e0 el ratol\u00ed clicat <img decoding=\"async\" class=\"size-full wp-image-17579 alignnone\" src=\"http:\/\/drive.google.com\/uc?export=view&amp;id=1jIwq6OMJDsyOpgR3Q86sTReG0sokTZye\" \/>. Construeix una expressi\u00f3 l\u00f2gica formada per les dues condicions: si toca un altre personatge o si est\u00e0 el ratol\u00ed clicat. En aquest cas no cal que s&#8217;acompleixin les dues, sin\u00f3 una <strong>o<\/strong> l&#8217;altre, per tant l&#8217;expressi\u00f3 l\u00f2gica que has d&#8217;utilitzar \u00e9s aquesta, que trobar\u00e0s a la categoria <strong>Operadors<\/strong>:<br \/>\n<img decoding=\"async\" class=\"alignnone\" src=\"http:\/\/projectes.xtec.cat\/programacioirobotica\/wp-content\/uploads\/usu604\/2017\/06\/scratch-operadors_expressiologicaoexpressiologica.png\" alt=\"Expressi\u00f3 l\u00f2gica o expressi\u00f3 l\u00f2gica\" \/><\/p>\n<hr \/>\n<h2>Deixa que l&#8217;Scratch ens pregunti<\/h2>\n<p>Fes que l&#8217;Scratch et faci una pregunta i que hi hagi dues possibles accions en funci\u00f3 de la resposta.<\/p>\n<p><img decoding=\"async\" class=\"alignnone\" src=\"http:\/\/projectes.xtec.cat\/programacioirobotica\/wp-content\/uploads\/usu604\/2017\/06\/scratch-icona_tasques.png\" alt=\"Pas a pas\" width=\"32\" \/> <strong>Fem-ho pas a pas<\/strong><\/p>\n<div style=\"padding-left: 50px;\">\n<ul>\n<li>Dins de la categoria <strong>Control<\/strong> hi ha un altre bloc condicional. Aquest bloc et permet definir qu\u00e8 \u00e9s el que has de fer si s&#8217;acompleix la condici\u00f3 i tamb\u00e9 si no s&#8217;acompleix:<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-17723\" src=\"https:\/\/projectes.xtec.cat\/programacioirobotica\/wp-content\/uploads\/usu604\/2019\/01\/s9m1controlcondicional.png\" alt=\"\" width=\"128\" height=\"125\" \/><\/li>\n<li>Per veure en detall el seu funcionament veur\u00e0s tamb\u00e9 la manera amb la qual l&#8217;Scratch ens pot fer preguntes i com pots influir en el desenvolupament de l&#8217;acci\u00f3.<\/li>\n<li>Tria un altre dels teus personatges, ser\u00e0 qui far\u00e0 la pregunta. Programa-li el que hi ha tot seguit:\n<ol>\n<li>V\u00e9s a la categoria <strong>Sensors<\/strong> i tria aquest bloc:<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-17724\" src=\"https:\/\/projectes.xtec.cat\/programacioirobotica\/wp-content\/uploads\/usu604\/2019\/01\/s9m1cometdius.png\" alt=\"\" width=\"189\" height=\"44\" \/><\/li>\n<li>A l&#8217;espai que hi ha en aquest bloc escriu: &#8220;<strong>Et rendeixes? Digues nom\u00e9s S si \u00e9s que S\u00ed o N si \u00e9s que No<\/strong>&#8220;.<\/li>\n<li>Quan l&#8217;execuci\u00f3 del programa arriba a aquest bloc, el personatge et fa la pregunta que hi ha escrita i espera la teva resposta. Quan escrius la resposta l&#8217;Scratch es guarda el que has escrit en un lloc que es diu <strong>resposta<\/strong>:<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-17725\" src=\"https:\/\/projectes.xtec.cat\/programacioirobotica\/wp-content\/uploads\/usu604\/2019\/01\/s9m1resposta.png\" alt=\"\" width=\"60\" height=\"33\" \/><\/li>\n<li>Per programar les dues possibles accions, primer construeix la comparaci\u00f3 que ser\u00e0 l&#8217;expressi\u00f3 l\u00f2gica que posar\u00e0s dins del <strong>bloc condicional<\/strong>:<br \/>\n<img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-17726\" src=\"https:\/\/projectes.xtec.cat\/programacioirobotica\/wp-content\/uploads\/usu604\/2019\/01\/s9m1comparaciologica.png\" alt=\"\" width=\"135\" height=\"36\" \/><\/li>\n<\/ol>\n<\/li>\n<li>Despr\u00e9s de col\u00b7locar la condici\u00f3 al seu lloc, programa les dues accions:<\/li>\n<\/ul>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"aligncenter size-full wp-image-17579\" src=\"https:\/\/agora.xtec.cat\/iesroquetes\/wp-content\/uploads\/usu997\/2020\/08\/Captura-de-pantalla-2020-08-29-a-las-0.10.57.png\" alt=\"\" width=\"436\" height=\"259\" srcset=\"https:\/\/agora.xtec.cat\/iesroquetes\/wp-content\/uploads\/usu997\/2020\/08\/Captura-de-pantalla-2020-08-29-a-las-0.10.57.png 436w, https:\/\/agora.xtec.cat\/iesroquetes\/wp-content\/uploads\/usu997\/2020\/08\/Captura-de-pantalla-2020-08-29-a-las-0.10.57-300x178.png 300w\" sizes=\"auto, (max-width: 436px) 100vw, 436px\" \/><\/p>\n<\/div>\n<p>Pots esborrar tots els programes si creus que no els necessites per al teu Storyboard.<\/p>\n<hr \/>\n<p><img decoding=\"async\" class=\"alignnone\" src=\"http:\/\/projectes.xtec.cat\/programacioirobotica\/wp-content\/uploads\/usu604\/2017\/06\/scratch-icona_glosari.png\" alt=\"Icona glosari\" width=\"32\" \/> <strong>Com que som programadors i programadores parlem de&#8230;<\/strong><\/p>\n<div style=\"padding-left: 50px;\">\n<ul>\n<li><strong>Estructura condicional:<\/strong>\u00a0punt on el programa on es pregunta si s&#8217;acompleix una expressi\u00f3 l\u00f2gica i tria entre dues o m\u00e9s branques de codi en funci\u00f3 de la resposta.<\/li>\n<li><strong>Expressi\u00f3 l\u00f2gica:<\/strong>\u00a0tamb\u00e9 es pot dir expressi\u00f3 condicional. \u00c9s una expressi\u00f3 que nom\u00e9s pot ser S\u00ed o No (Veritable o Fals) i que s&#8217;utilitza a les estructures condicionals.<\/li>\n<li><strong>Sensors:<\/strong>\u00a0blocs que detecten quan existeix algun tipus d&#8217;interacci\u00f3 entre els personatges o quan l&#8217;usuari interactua amb el programa.<\/li>\n<li><strong>Bucle:<\/strong>\u00a0\u00e9s el mateix que una iteraci\u00f3.<\/li>\n<\/ul>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>Pla de treball Estructura condicional Expressions l\u00f2giques Sensors i operadors Preguntes i respostes Posa condicions als moviments Introduir\u00e0s una condici\u00f3 a una estructura iterativa que, inicialment no t\u00e9 l\u00edmit. Fem-ho pas a pas Entra al teu compte de l&#8217;Scratch i obre el projecte de l&#8217;Storyboard. Fes que un dels teus personatges augmenti la seva mida [&hellip;]<\/p>\n","protected":false},"author":5,"featured_media":0,"parent":17494,"menu_order":10,"comment_status":"closed","ping_status":"closed","template":"page-templates\/side-menu.php","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"class_list":["post-17512","page","type-page","status-publish","hentry"],"post_mailing_queue_ids":[],"_links":{"self":[{"href":"https:\/\/agora.xtec.cat\/iesroquetes\/wp-json\/wp\/v2\/pages\/17512","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agora.xtec.cat\/iesroquetes\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/agora.xtec.cat\/iesroquetes\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesroquetes\/wp-json\/wp\/v2\/users\/5"}],"replies":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesroquetes\/wp-json\/wp\/v2\/comments?post=17512"}],"version-history":[{"count":3,"href":"https:\/\/agora.xtec.cat\/iesroquetes\/wp-json\/wp\/v2\/pages\/17512\/revisions"}],"predecessor-version":[{"id":18781,"href":"https:\/\/agora.xtec.cat\/iesroquetes\/wp-json\/wp\/v2\/pages\/17512\/revisions\/18781"}],"up":[{"embeddable":true,"href":"https:\/\/agora.xtec.cat\/iesroquetes\/wp-json\/wp\/v2\/pages\/17494"}],"wp:attachment":[{"href":"https:\/\/agora.xtec.cat\/iesroquetes\/wp-json\/wp\/v2\/media?parent=17512"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}