{"id":221,"date":"2015-01-18T14:42:14","date_gmt":"2015-01-18T13:42:14","guid":{"rendered":"http:\/\/www.ecole-henri-matisse-damgan.fr\/site\/?p=221"},"modified":"2015-01-18T15:03:49","modified_gmt":"2015-01-18T14:03:49","slug":"initiation-a-la-3d","status":"publish","type":"post","link":"https:\/\/www.ecole-henri-matisse-damgan.fr\/site\/initiation-a-la-3d\/","title":{"rendered":"Initiation \u00e0 la 3D"},"content":{"rendered":"<p>(Initiation \u00e0 l&rsquo;informatique et \u00e0 Internet, 1h le samedi matin.)<\/p>\n<p>Ce matin avec un groupe de 4 \u00e9l\u00e8ves de CE2, nous avons parl\u00e9 un peu de leurs go\u00fbts et de leur vision d&rsquo;internet. La discussion s&rsquo;est orient\u00e9e vers les jeux sur ordinateurs. J&rsquo;ai dit aux enfants que c&rsquo;\u00e9tait mon m\u00e9tier de cr\u00e9er des jeux en ligne et je leur ai propos\u00e9 de leur montrer un peu les outils qu&rsquo;on utilise pour \u00e7a.<\/p>\n<p>Apr\u00e8s une petite d\u00e9mo d&rsquo;un jeu d&rsquo;\u00e9checs, nous avons discut\u00e9 de la diff\u00e9rence entre les images 2D (2 dimensions) et les images 3D (3 dimensions).<\/p>\n<p>Exemple 2D: \u00ab\u00a0c&rsquo;est une sorte de dessin \u00e0 plat\u00a0\u00bb<\/p>\n<p><a href=\"http:\/\/www.ecole-henri-matisse-damgan.fr\/site\/wp-content\/uploads\/2015\/01\/Screenshot-2015-01-17-17.48.27.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-223\" alt=\"Screenshot 2015-01-17 17.48.27\" src=\"http:\/\/www.ecole-henri-matisse-damgan.fr\/site\/wp-content\/uploads\/2015\/01\/Screenshot-2015-01-17-17.48.27.png\" width=\"632\" height=\"632\" srcset=\"https:\/\/www.ecole-henri-matisse-damgan.fr\/site\/wp-content\/uploads\/2015\/01\/Screenshot-2015-01-17-17.48.27.png 632w, https:\/\/www.ecole-henri-matisse-damgan.fr\/site\/wp-content\/uploads\/2015\/01\/Screenshot-2015-01-17-17.48.27-150x150.png 150w, https:\/\/www.ecole-henri-matisse-damgan.fr\/site\/wp-content\/uploads\/2015\/01\/Screenshot-2015-01-17-17.48.27-300x300.png 300w\" sizes=\"auto, (max-width: 632px) 100vw, 632px\" \/><\/a><\/p>\n<p>Le m\u00eame plateau en version 3D: \u00ab\u00a0\u00e7a fait comme en vrai\u00a0\u00bb. On essaye de simuler les volumes, les perspectives, les lumi\u00e8res&#8230;<\/p>\n<p><a href=\"http:\/\/www.ecole-henri-matisse-damgan.fr\/site\/wp-content\/uploads\/2015\/01\/Screenshot-2015-01-17-17.48.17.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-224\" alt=\"Screenshot 2015-01-17 17.48.17\" src=\"http:\/\/www.ecole-henri-matisse-damgan.fr\/site\/wp-content\/uploads\/2015\/01\/Screenshot-2015-01-17-17.48.17.png\" width=\"697\" height=\"578\" srcset=\"https:\/\/www.ecole-henri-matisse-damgan.fr\/site\/wp-content\/uploads\/2015\/01\/Screenshot-2015-01-17-17.48.17.png 697w, https:\/\/www.ecole-henri-matisse-damgan.fr\/site\/wp-content\/uploads\/2015\/01\/Screenshot-2015-01-17-17.48.17-300x248.png 300w\" sizes=\"auto, (max-width: 697px) 100vw, 697px\" \/><\/a><\/p>\n<p>Gros succ\u00e8s pour la version 3D.<\/p>\n<p>Je leur ai montr\u00e9 l&rsquo;outil que j&rsquo;utilise pour cr\u00e9er ces pi\u00e8ces et les plateaux. Il s&rsquo;agit en l&rsquo;occurrence de <a href=\"http:\/\/www.blender.org\/\">Blender<\/a>, logiciel libre. Nous avons vu qu&rsquo;on peut cr\u00e9er des formes, les modifier, les d\u00e9placer, les tourner&#8230;<\/p>\n<p><a href=\"http:\/\/www.ecole-henri-matisse-damgan.fr\/site\/wp-content\/uploads\/2015\/01\/modelingknight.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-231\" alt=\"modelingknight\" src=\"http:\/\/www.ecole-henri-matisse-damgan.fr\/site\/wp-content\/uploads\/2015\/01\/modelingknight.jpg\" width=\"900\" height=\"475\" srcset=\"https:\/\/www.ecole-henri-matisse-damgan.fr\/site\/wp-content\/uploads\/2015\/01\/modelingknight.jpg 900w, https:\/\/www.ecole-henri-matisse-damgan.fr\/site\/wp-content\/uploads\/2015\/01\/modelingknight-300x158.jpg 300w\" sizes=\"auto, (max-width: 900px) 100vw, 900px\" \/><\/a><\/p>\n<p>Nous avons vu qu&rsquo;un objet 3D est compos\u00e9:<\/p>\n<ul>\n<li>de points,<\/li>\n<li>d\u2019ar\u00eates (oui Jade, comme les poissons \ud83d\ude09 ),<\/li>\n<li>et de facettes.<\/li>\n<\/ul>\n<p>Les points sont joints par une ar\u00eate, 4 ar\u00eates forment une facette.<\/p>\n<p><a href=\"http:\/\/www.ecole-henri-matisse-damgan.fr\/site\/wp-content\/uploads\/2015\/01\/facettes2.jpg\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-233\" alt=\"facettes2\" src=\"http:\/\/www.ecole-henri-matisse-damgan.fr\/site\/wp-content\/uploads\/2015\/01\/facettes2.jpg\" width=\"844\" height=\"737\" srcset=\"https:\/\/www.ecole-henri-matisse-damgan.fr\/site\/wp-content\/uploads\/2015\/01\/facettes2.jpg 844w, https:\/\/www.ecole-henri-matisse-damgan.fr\/site\/wp-content\/uploads\/2015\/01\/facettes2-300x261.jpg 300w\" sizes=\"auto, (max-width: 844px) 100vw, 844px\" \/><\/a><\/p>\n<p>On peut agir au choix sur chacun de ses composants et ainsi modeler une forme. On peut aussi rajouter des facettes, des points&#8230;<\/p>\n<p>Pour chaque \u00e9l\u00e9ment s\u00e9lectionn\u00e9, on a vu comment changer:<\/p>\n<ul>\n<li>la position (translation)<\/li>\n<li>la taille (\u00e9chelle)<\/li>\n<li>l&rsquo;angle (rotation)<\/li>\n<\/ul>\n<p>Je leur ai montr\u00e9 rapidement comment modeler un pion d&rsquo;\u00e9checs (grossi\u00e8rement) \u00e0 partir d&rsquo;un simple cylindre et les enfants ont voulu ensuite cr\u00e9er une forme.<\/p>\n<p>Nous avons donc repris un nouveau cylindre qu&rsquo;on a malmen\u00e9 dans tous les sens pour arriver \u00e0 nos fins. Sous les ordres tr\u00e8s pr\u00e9cis de notre architecte en chef No\u00e9, nous avons fait ceci:<\/p>\n<p><a href=\"http:\/\/www.ecole-henri-matisse-damgan.fr\/site\/wp-content\/uploads\/2015\/01\/Screenshot-2015-01-18-14.17.27.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-large wp-image-234\" alt=\"Screenshot 2015-01-18 14.17.27\" src=\"http:\/\/www.ecole-henri-matisse-damgan.fr\/site\/wp-content\/uploads\/2015\/01\/Screenshot-2015-01-18-14.17.27-1024x554.png\" width=\"474\" height=\"256\" srcset=\"https:\/\/www.ecole-henri-matisse-damgan.fr\/site\/wp-content\/uploads\/2015\/01\/Screenshot-2015-01-18-14.17.27-1024x554.png 1024w, https:\/\/www.ecole-henri-matisse-damgan.fr\/site\/wp-content\/uploads\/2015\/01\/Screenshot-2015-01-18-14.17.27-300x162.png 300w, https:\/\/www.ecole-henri-matisse-damgan.fr\/site\/wp-content\/uploads\/2015\/01\/Screenshot-2015-01-18-14.17.27.png 1920w\" sizes=\"auto, (max-width: 474px) 100vw, 474px\" \/><\/a><\/p>\n<p>Je lui laisserai le soin de vous dire ce que c&rsquo;est \ud83d\ude42<\/p>\n<p>Le fichier blender: <a href=\"http:\/\/www.ecole-henri-matisse-damgan.fr\/docs\/champi.blend\">champi.blend<\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>(Initiation \u00e0 l&rsquo;informatique et \u00e0 Internet, 1h le samedi matin.) Ce matin avec un groupe de 4 \u00e9l\u00e8ves de CE2, nous avons parl\u00e9 un peu de leurs go\u00fbts et de leur vision d&rsquo;internet. La discussion s&rsquo;est orient\u00e9e vers les jeux sur ordinateurs. J&rsquo;ai dit aux enfants que c&rsquo;\u00e9tait mon m\u00e9tier de cr\u00e9er des jeux en &#8230; <a title=\"Initiation \u00e0 la 3D\" class=\"read-more\" href=\"https:\/\/www.ecole-henri-matisse-damgan.fr\/site\/initiation-a-la-3d\/\" aria-label=\"En savoir plus sur Initiation \u00e0 la 3D\">Lire la suite<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false},"version":2}},"categories":[3],"tags":[5,4,6],"class_list":["post-221","post","type-post","status-publish","format-standard","hentry","category-initiation-informatique-et-internet","tag-3d","tag-blender","tag-jeux"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_shortlink":"https:\/\/wp.me\/p51MjH-3z","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/www.ecole-henri-matisse-damgan.fr\/site\/wp-json\/wp\/v2\/posts\/221","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.ecole-henri-matisse-damgan.fr\/site\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.ecole-henri-matisse-damgan.fr\/site\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.ecole-henri-matisse-damgan.fr\/site\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.ecole-henri-matisse-damgan.fr\/site\/wp-json\/wp\/v2\/comments?post=221"}],"version-history":[{"count":8,"href":"https:\/\/www.ecole-henri-matisse-damgan.fr\/site\/wp-json\/wp\/v2\/posts\/221\/revisions"}],"predecessor-version":[{"id":241,"href":"https:\/\/www.ecole-henri-matisse-damgan.fr\/site\/wp-json\/wp\/v2\/posts\/221\/revisions\/241"}],"wp:attachment":[{"href":"https:\/\/www.ecole-henri-matisse-damgan.fr\/site\/wp-json\/wp\/v2\/media?parent=221"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.ecole-henri-matisse-damgan.fr\/site\/wp-json\/wp\/v2\/categories?post=221"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.ecole-henri-matisse-damgan.fr\/site\/wp-json\/wp\/v2\/tags?post=221"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}