ソートの可視化 seikai forked:1favorite:8lines:120license : MIT License modified : 2010-02-07 16:03:57 Embed Tweet package { import flash.display.Bitmap; import flash.display.BitmapData; import flash.display.Sprite; import flash.events.Event; [SWF(width = 465, height = 465, frameRate = 50, backgroundColor=0xFFFFFF)] public class Main extends Sprite { private var _data:Vector.<uint>; private var _pixelData:Vector.<Recode>; private var _bmd:BitmapData; private var _pointer1:Sprite; private var _pointer2:Sprite; private const W:uint = 18; private const H:uint = 18; private const SIZE:uint = 25; public function Main() { if(stage){ _init(); }else { addEventListener(Event.ADDED_TO_STAGE, _init); } } private function _init(e:Event = null):void { _bmd = new BitmapData(W, H); var canvas:Bitmap = new Bitmap(_bmd); canvas.width = W * SIZE; canvas.height = H * SIZE; addChild(canvas); createData(); _pointer1 = new Sprite(); _pointer1.graphics.beginFill(0xFF0000); _pointer1.graphics.drawRect(0, 0, SIZE, SIZE); addChild(_pointer1); _pointer2 = new Sprite(); _pointer2.graphics.beginFill(0x00FF00); _pointer2.graphics.drawRect(0, 0, SIZE, SIZE); addChild(_pointer2); addEventListener(Event.ENTER_FRAME, enterFrameHandler); } private function createData():void { var len:uint = W*H; var i:uint = 0,j:uint,k:uint,v:uint; _data = new Vector.<uint>(len); _pixelData = new Vector.<Recode>(); _bmd.lock(); for(j = 0;j<H;j++) { for(k = 0;k<W;k++){ v = 255 | (uint(Math.random() * 255) << 8) | uint(Math.random() * 255); _bmd.setPixel(k, j, v); _data[i] = v; i++; } } _bmd.unlock(); _sort(0, len-1); _pixelData.reverse(); } private function enterFrameHandler(e:Event):void { if(_pixelData.length){ _pixcelSwap(_pixelData.pop(), _pixelData.pop()); } else { removeEventListener(Event.ENTER_FRAME, enterFrameHandler); removeChild(_pointer1); removeChild(_pointer2); } } private function _sort(l:int, u:int):void { if (l >= u) return; var i:int, m:int, c:int; c = int((l + u)/2); _swap(c, l); m = l; for(i = l+1; i <= u; i++){ if(_data[i] < _data[l]) { m++; _swap(i,m); } } _swap(l,m); _sort(l, m-1); _sort(m + 1, u); } private function _swap(n1:int, n2:int):void { var tmp:int = _data[n1]; _data[n1] = _data[n2]; _data[n2] = tmp; var xp:int = n1%W; var yp:int = int(n1/W); _pixelData.push(new Recode(xp, yp, _data[n1])); xp = n2%W; yp = int(n2/W); _pixelData.push(new Recode(xp, yp, _data[n2])); } private function _pixcelSwap(data1:Recode, data2:Recode):void { _bmd.setPixel(data1.x, data1.y, data1.color); _bmd.setPixel(data2.x, data2.y, data2.color); _pointer1.x = data1.x * SIZE; _pointer1.y = data1.y * SIZE; _pointer2.x = data2.x * SIZE; _pointer2.y = data2.y * SIZE; } } } class Recode{ public var x:int; public var y:int; public var color:uint; public function Recode(x:int, y:int ,color:uint){ this.x = x; this.y = y; this.color = color; } } Code Fullscreen Preview Fullscreen yoshimax nki2 tkinjo siouxcitizen.. keiso digitrick clockmaker taqumi sort pop removeChild reverse stage addChild addEventListener removeEventListener push height Event.ADDED_TO_STAGE width Event.ENTER_FRAME Vector uint Event length Math.random Sprite int sort new page view favorite forked pv249 forked from: ソートの可視化 aomoriringo forked:0 favorite:0lines:120 (diff:4)
