{"id":295,"date":"2009-05-24T12:37:55","date_gmt":"2009-05-24T19:37:55","guid":{"rendered":"https:\/\/actionsnippet.com\/?p=1431"},"modified":"2009-05-24T12:37:55","modified_gmt":"2009-05-24T19:37:55","slug":"quickbox2d-play","status":"publish","type":"post","link":"https:\/\/actionsnippet.com\/?p=295","title":{"rendered":"QuickBox2D Play"},"content":{"rendered":"<pre class=\"brush: as3; title: ; notranslate\" title=\"\">\r\nimport com.actionsnippet.qbox.*;\r\nimport Box2D.Common.Math.*;\r\n\r\n&#x5B;SWF (backgroundColor=0xaa0000, width=700, height=600)]\r\n\r\nconst TWO_PI:Number = Math.PI * 2;\r\n\r\nvar sim:QuickBox2D = new QuickBox2D(this,{gravityY:20, debug:false});\r\n\r\nvar i:int = 0;\r\n\r\n\/\/ add some circles\r\nvar circles:Array = &#x5B;];\r\nvar circleNum:int = 20;\r\nfor (i = 0; i&lt;circleNum; i++){\r\n\tcircles&#x5B;i] = sim.addCircle({x: 8, y:-2 - i, radius:0.1 + Math.random()*0.4, fillColor:0x000000});\r\n}\r\n\r\n\/\/ add some boxes\r\nvar boxes:Array = &#x5B;];\r\nvar boxNum:int = 20;\r\nfor (i= 0; i&lt;boxNum; i++){\r\n\tvar rx:Number = 4 + (i % 5) * 4;\r\n\tvar ry:Number =  4 + int(i \/ 5) * 4;\r\n\tvar ra:Number = Math.random() * TWO_PI;\r\n\tboxes&#x5B;i] = sim.addBox({x:rx, y:ry, width:3, height:0.4, angle:ra, density:0,fillColor:0xFF2200});\r\n}\r\n\r\n\/\/ vector(0,0) used to reset velocity\r\nvar resetVec:b2Vec2 = new b2Vec2();\r\n\r\nsim.start();\r\nsim.mouseDrag();\r\n\r\naddEventListener(Event.ENTER_FRAME, onLoop);\r\nfunction onLoop(evt:Event):void {\r\n\t \/\/ rotate all boxes\r\n     for (i= 0; i&lt;boxNum; i++){\r\n\t\tboxes&#x5B;i].angle += .05; \r\n\t }\r\n\t \/\/ move circles to top of sceen after they fall off bottom\r\n\t  for (i= 0; i&lt;circleNum; i++){\r\n\t\tif (circles&#x5B;i].y &gt; 20){\r\n\t\t\tcircles&#x5B;i].y = -1;\r\n\t\t\tcircles&#x5B;i].x = Math.random()*(stage.stageWidth \/ 30 - 9) + 4;\r\n\t\t\t\/\/ access to Box2D b2Body methods\r\n\t\t\tcircles&#x5B;i].body.SetLinearVelocity(resetVec);\r\n\t\t}\r\n\t }\r\n}\r\n<\/pre>\n<p>This is another QuickBox2D experiment. If you don&#8217;t know what QuickBox2D is &#8230; <a href=\"https:\/\/actionsnippet.com\/?page_id=1391\" target=\"blank\">read about it here<\/a>.<\/p>\n<p><a data-asruffle-linked=\"true\" href=\"http:\/\/www.actionsnippet.com\/swfs\/box_grid.html\" target=\"blank\">Take a look at the swf here<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/actionsnippet.com\/wp-content\/quick_box_example.gif\" \/><\/a> <span class=\"asruffle-link\" data-swf=\"{&quot;url&quot;:&quot;https:\\\/\\\/actionsnippet.com\\\/swfs\\\/box_grid.swf&quot;,&quot;title&quot;:&quot;box grid&quot;,&quot;width&quot;:700,&quot;height&quot;:600,&quot;missing&quot;:false,&quot;allowScriptAccess&quot;:false,&quot;backgroundColor&quot;:&quot;#aa0000&quot;}\"><button type=\"button\" hidden aria-expanded=\"false\">Play demo<span class=\"screen-reader-text\">: box grid<\/span><\/button><\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>import com.actionsnippet.qbox.*; import Box2D.Common.Math.*; &#x5B;SWF (backgroundColor=0xaa0000, width=700, height=600)] const TWO_PI:Number = Math.PI * 2; var sim:QuickBox2D = new QuickBox2D(this,{gravityY:20, debug:false}); var i:int = 0; \/\/ add some circles var circles:Array = &#x5B;]; var circleNum:int = 20; for (i = 0; i&lt;circleNum; i++){ circles&#x5B;i] = sim.addCircle({x: 8, y:-2 &#8211; i, radius:0.1 + Math.random()*0.4, fillColor:0x000000}); } \/\/ [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[11,13,12],"tags":[3,15,4],"class_list":["post-295","post","type-post","status-publish","format-standard","hentry","category-box2d","category-motion","category-quickbox2d","tag-actionscript","tag-box2d","tag-flash"],"_links":{"self":[{"href":"https:\/\/actionsnippet.com\/index.php?rest_route=\/wp\/v2\/posts\/295","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/actionsnippet.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/actionsnippet.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/actionsnippet.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/actionsnippet.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=295"}],"version-history":[{"count":0,"href":"https:\/\/actionsnippet.com\/index.php?rest_route=\/wp\/v2\/posts\/295\/revisions"}],"wp:attachment":[{"href":"https:\/\/actionsnippet.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=295"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/actionsnippet.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=295"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/actionsnippet.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=295"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}