// forked from clockmaker's 3D Flow Simulation with Field of Blur // forked from clockmaker's 3D Flow Simulation // forked from clockmaker's Interactive Liquid 10000 // forked from clockmaker's Liquid110000 By Vector // forked from munegon's forked from: forked from: forked from: forked from: Liquid10000 // forked from Saqoosha's forked from: forked from: forked from: Liquid10000 // forked from nutsu's forked from: forked from: Liquid10000 // forked from nutsu's forked from: Liquid10000 // forked from zin0086's Liquid10000 package { /** * 矢印がいっぱいなんだけど、高速なデモ * 画質はディフォルトの StageQuality.HIGH で * 矢印 1000個 * @author Yasu */ import flash.display.*; import flash.geom.*; import flash.events.*; import flash.utils.*; import flash.geom.*; import flash.filters.*; import net.hires.debug.Stats; [SWF(width="465", height="465", backgroundColor="0xFFFFFF" , rate="60")] public class Main extends Sprite { private const NUM_PARTICLE:uint = 1000; private const H:Number = 465; private const W:Number = 465; private var forceMap:BitmapData = new BitmapData( W, H, false, 0x000000 ); private var particleList:Vector.<Arrow> = new Vector.<Arrow>(NUM_PARTICLE, true); private var rotArr:BitmapData ; private var world:Sprite = new Sprite(); private var muse:Point; public function Main() { addChild(world); world.addChild(new Bitmap(forceMap)); resetFunc(); // 矢印をプレレンダリング var dummy:Sprite = new Sprite(); dummy.graphics.beginFill(0xFFFFFF, 1); dummy.graphics.lineStyle(1, 0x0, 1); dummy.graphics.moveTo(2, 4); dummy.graphics.lineTo(8, 4); dummy.graphics.lineTo(8, 0); dummy.graphics.lineTo(20, 7); dummy.graphics.lineTo(8, 14); dummy.graphics.lineTo(8, 10); dummy.graphics.lineTo(2, 10); dummy.graphics.lineTo(2, 4); var matrix:Matrix; matrix = new Matrix(); matrix.translate( -11, -11); matrix.rotate(0); matrix.translate( 11, 11); rotArr = new BitmapData(22, 22, true, 0x0); rotArr.draw(dummy, matrix); // パーティクルを生成します for (var i:int = 0; i < NUM_PARTICLE; i++) { var px:Number = Math.random() * H; var py:Number = Math.random() * W; particleList[i] = new Arrow(px, py,W,H); particleList[i].bitmapData = rotArr; world.addChild(particleList[i]); } museinit() addChild(new Stats); addEventListener( Event.ENTER_FRAME, loop ); } //loop private function loop( e:Event ):void { var len:uint = particleList.length; var col:Number; for (var i:uint = 0; i < len; i++) { var arrow:Arrow = particleList[i]; col = forceMap.getPixel( arrow.x , arrow.y ); arrow.update( ((col & 0xff) - 0x80 ) * .0005 , ((col >> 8 & 0xff) - 0x80 ) * .0005); } } private function museinit():void{ stage.addEventListener(MouseEvent.MOUSE_MOVE,mouseMove); stage.addEventListener(MouseEvent.MOUSE_UP,mouseUp); stage.addEventListener(Event.MOUSE_LEAVE,mouseLeave); stage.addEventListener(MouseEvent.MOUSE_DOWN,mouseDown); } private var mouseDownSt:Boolean=false; private function mouseDown( e:MouseEvent ):void {mouseDownSt=true;} private function mouseUp( e:MouseEvent ):void {mouseDownSt=false;} private function mouseLeave( e:Event ):void {mouseDownSt=false;} private var rect:Rectangle=new Rectangle(0,0,10,10); private var filter:BlurFilter=new BlurFilter(4,4,10); private function mouseMove( e:MouseEvent ):void { if(mouseDownSt){ rect.x=mouseX; rect.y=mouseY; forceMap.setPixel(mouseX,mouseY,0x0) //forceMap.generateFilterRect(rect,filter); } } //noise reset private function resetFunc(e:Event = null):void{ forceMap.perlinNoise(W,H,30, Math.floor( Math.random() * 0xFFFFFF ), false, true, 6, false, null); } } } import flash.display.*; class Arrow extends Bitmap { public var mx:Number = 0; public var my:Number = 0; public var vx:Number = 0; public var vy:Number = 0; public var ax:Number = 0; public var ay:Number = 0; public function Arrow( x:Number, y:Number,mx:Number,my:Number) {this.x = x;this.y = y;this.mx = mx;this.my = my;} public function update(aax:Number,aay:Number):void{ ax += aax; ay += aay; vx += ax; vy += ay; x += vx; y += vy; ( x > mx ) ? x = 0 :( x < 0 ) ? x = mx : 0; ( y > my ) ? y = 0 :( y < 0 ) ? y = my : 0; ax *= .95; ay *= .95; vx *= .90; vy *= .90; } }