{"id":21117,"date":"2023-11-14T19:09:05","date_gmt":"2023-11-14T18:09:05","guid":{"rendered":"http:\/\/blog.wenzlaff.de\/?p=21117"},"modified":"2023-11-14T19:09:05","modified_gmt":"2023-11-14T18:09:05","slug":"quicktest-blender-4-0-herz-mit-python","status":"publish","type":"post","link":"http:\/\/blog.wenzlaff.de\/?p=21117","title":{"rendered":"Quicktest: Blender 4.0 Herz mit Python"},"content":{"rendered":"<p>Eben wurde die <a href=\"https:\/\/www.blender.org\/download\/releases\/4-0\/#reel\" rel=\"noopener\" target=\"_blank\">neue Version<\/a> von Blender ver\u00f6ffentlicht. <\/p>\n<p>Die Men\u00fcs sind schon etwas anders, aber Quicktest l\u00e4uft schon mal: <\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/blog.wenzlaff.de\/wp-content\/uploads\/2023\/11\/blender-4.0-love.mp4.gif\" alt=\"\" width=\"512\" height=\"288\" class=\"aligncenter size-full wp-image-21118\" \/><\/p>\n<p>Habe dieses Herz mit Python generiert und etwas Licht und Buchstaben.: <!--more--><\/p>\n<pre class=\"lang:python decode:true \" ># Erzeugt ein Mesh in Herzform\r\n# Thomas Wenzlaff\r\n\r\nimport bpy\r\nimport bmesh\r\nimport mathutils\r\nimport math\r\n\r\n\r\n# Erzeugen eines leeren Mesh-Objekts und eines leeren BMesh\r\nmesh = bpy.data.meshes.new(\"HerzMesh\")\r\nbm = bmesh.new()\r\n\r\n# Herzform definieren\r\ntheta = 0\r\nwhile theta &lt; math.pi * 2:\r\n    r = (2.0 - 2.0 * math.sin(theta) + math.sin(theta) * (abs(math.cos(theta)) ** 0.5) \/ (math.sin(theta) + 1.4))\r\n    x = r * math.cos(theta)\r\n    y = r * math.sin(theta)\r\n    z = 0\r\n    bm.verts.new((x, y, z))\r\n    theta += 0.01\r\n\r\n# Erzeugen von Kanten und Fl\u00e4chen aus den BMesh-Daten\r\nbm.verts.ensure_lookup_table()\r\nbm.edges.ensure_lookup_table()\r\nbm.faces.ensure_lookup_table()\r\nfor i in range(1, len(bm.verts)):\r\n    bm.edges.new([bm.verts[i-1], bm.verts[i]])\r\nbm.edges.new([bm.verts[0], bm.verts[-1]])\r\nbm.faces.new(bm.verts)\r\n\r\n\r\n# Mesh-Objekt mit dem Mesh erstellen und zur Szene hinzuf\u00fcgen\r\nobj = bpy.data.objects.new(\"HerzObjekt\", mesh)\r\nbpy.context.scene.collection.objects.link(obj)\r\n\r\n# BMesh freigeben und auf das Mesh-Objekt anwenden\r\nbm.to_mesh(mesh)\r\nmesh.update()<\/pre>\n<p>News siehe in den <a href=\"https:\/\/www.blender.org\/download\/releases\/4-0\/#reel\" rel=\"noopener\" target=\"_blank\">Releasenotes der neue Version<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Eben wurde die neue Version von Blender ver\u00f6ffentlicht. Die Men\u00fcs sind schon etwas anders, aber Quicktest l\u00e4uft schon mal: Habe dieses Herz mit Python generiert und etwas Licht und Buchstaben.:<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[220,5123,7],"tags":[5863,5124,5865,2340,1397,5864],"class_list":["post-21117","post","type-post","status-publish","format-standard","hentry","category-anleitung","category-blender","category-tools","tag-4-0","tag-blender","tag-blender-3d","tag-python","tag-script","tag-zerz"],"_links":{"self":[{"href":"http:\/\/blog.wenzlaff.de\/index.php?rest_route=\/wp\/v2\/posts\/21117","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/blog.wenzlaff.de\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/blog.wenzlaff.de\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/blog.wenzlaff.de\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/blog.wenzlaff.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=21117"}],"version-history":[{"count":0,"href":"http:\/\/blog.wenzlaff.de\/index.php?rest_route=\/wp\/v2\/posts\/21117\/revisions"}],"wp:attachment":[{"href":"http:\/\/blog.wenzlaff.de\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=21117"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/blog.wenzlaff.de\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=21117"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/blog.wenzlaff.de\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=21117"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}