{"id":525,"date":"2012-06-30T06:37:11","date_gmt":"2012-06-30T13:37:11","guid":{"rendered":"https:\/\/actionsnippet.com\/?p=2971"},"modified":"2012-06-30T06:37:11","modified_gmt":"2012-06-30T13:37:11","slug":"gumowskimira-pseudo-soundwave","status":"publish","type":"post","link":"https:\/\/actionsnippet.com\/?p=525","title":{"rendered":"Gumowski\/Mira Pseudo-Soundwave"},"content":{"rendered":"<pre class=\"brush: as3; title: ; notranslate\" title=\"\">\r\n&#x5B;SWF(width = 600, height = 600)]\r\nvar a:Number = 0.02;\r\nvar b:Number = .9998;\r\n\u00a0\r\nvar xn1:Number = 5;\r\nvar yn1:Number = 0;\r\nvar xn:Number, yn:Number;\r\n\u00a0\r\nvar scale:Number = 10;\r\nvar iterations:Number = 20000;\r\nvar step:Number = stage.stageWidth \/ iterations;\r\n\r\nfunction f(x:Number):Number{\r\n\u00a0 \u00a0 var x2:Number = x * x;\r\n\u00a0 \u00a0 return a * x + (2 * (1 - a) * x2) \/ (1 + x2);\r\n}\r\n\r\nvar canvas:BitmapData = Bitmap(addChild(new Bitmap(new BitmapData(600,600,false,0xEFEFEF)))).bitmapData;\r\n\r\nvar circle = new Sprite();\r\nwith(circle.graphics) beginFill(0, 0.3), drawCircle(2,2,1);\r\n\r\nvar dot:BitmapData = new BitmapData(4,4,true, 0x00000000);\r\ndot.draw(circle);\r\n\r\nvar pnt:Point = new Point();\r\n\r\nvar txt:TextField = TextField(addChild(new TextField()));\r\ntxt.text = &quot;move mouse&quot;;\r\n \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0 \u00a0\r\naddEventListener(Event.ENTER_FRAME, onLoop);\r\nfunction onLoop(evt:Event):void {\r\n\u00a0 \u00a0\r\n\u00a0 \u00a0 canvas.fillRect(canvas.rect, 0xEFEFEF);\r\n\r\n\u00a0 \u00a0 a = mouseY \/ 1000;\r\n\u00a0 \u00a0 xn1 = mouseX \/ 30;\r\n\u00a0 \u00a0 yn1 = 0;\r\n\u00a0 \u00a0 for (var i:int = 0; i&lt;iterations; i++){\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 xn = xn1;\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 yn = yn1;\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 xn1 = b * yn + f(xn);\r\n\u00a0 \u00a0 \u00a0 \u00a0 \u00a0 yn1 = \u00a0-xn + f(xn1);\r\n\t\t  pnt.x = i * step;\r\n\t\t  pnt.y = 300 + yn1 * scale;\r\n\t\t  canvas.copyPixels(dot, dot.rect, pnt, null, null, true);\r\n\t\t\r\n\u00a0 \u00a0 }\r\n}\r\n<\/pre>\n<p>Try it out:<\/p>\n<p><script type=\"text\/javascript\" src=\"http:\/\/wonderfl.net\/blogparts\/2xQo\/js\"><\/script><\/p>\n<p class=\"ttlBpWonderfl\" style=\"width: 465px; margin: 0; text-align: right; font-size: 11px;\"><a href=\"http:\/\/wonderfl.net\/c\/2xQo\" title=\"Gumowski Mira Pseudo-soundwave\">Gumowski Mira Pseudo-soundwave &#8211; wonderfl build flash online<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>&#x5B;SWF(width = 600, height = 600)] var a:Number = 0.02; var b:Number = .9998; \u00a0 var xn1:Number = 5; var yn1:Number = 0; var xn:Number, yn:Number; \u00a0 var scale:Number = 10; var iterations:Number = 20000; var step:Number = stage.stageWidth \/ iterations; function f(x:Number):Number{ \u00a0 \u00a0 var x2:Number = x * x; \u00a0 \u00a0 return a [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[24,33,114,121],"tags":[],"class_list":["post-525","post","type-post","status-publish","format-standard","hentry","category-bitmapdata","category-graphics","category-graphics-algorithms","category-math"],"_links":{"self":[{"href":"https:\/\/actionsnippet.com\/index.php?rest_route=\/wp\/v2\/posts\/525","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=525"}],"version-history":[{"count":0,"href":"https:\/\/actionsnippet.com\/index.php?rest_route=\/wp\/v2\/posts\/525\/revisions"}],"wp:attachment":[{"href":"https:\/\/actionsnippet.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=525"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/actionsnippet.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=525"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/actionsnippet.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=525"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}