//小さくうねったり大きくうねったりランダムな感じ（かつ自然な感じ）にしたい。 //ロジックを変えて一応ランダムなうねうねにした・・・けどイマイチ //一定周期毎の変化じゃなくだんだん周期が変化する感じにしたい。 package { import flash.display.Sprite; import flash.display.Stage; import flash.events.Event; /** * ... * @author DefaultUser (Tools -> Custom Arguments...) */ [SWF(width = "465", height = "700", frameRate = "30", backgroundColor = "#ffffff")] public class Main extends Sprite { private const MAXNUMBER:int = 100; private var widthPiece:Number; private var rad1:Number; private var rad2:Number; private var drad1:Number; private var Sprites:Array; private var offsetX:Number; private var offsetY:Number; /** * コンストラクタ */ public function Main():void { if (stage) init(); else addEventListener(Event.ADDED_TO_STAGE, init); } /** * 初期処理 * @param e */ private function init(e:Event = null):void { removeEventListener(Event.ADDED_TO_STAGE, init); //リボンの振りとうねりの開始角度を決定 rad1 = Math.floor(Math.random() * 36) * 10; drad1 = 5; rad2 = Math.floor(Math.random() * 36) * 10; //リボンの振り幅 widthPiece = 15; //オフセット値 offsetX = stage.stageWidth / 2; offsetY = 0; //ダミースプライト生成 var i1:Number = MAXNUMBER; Sprites = new Array(); while (i1--) { var ball:Ball = new Ball(7, 0xff0000, 1); ball.y = (stage.stageHeight /MAXNUMBER) *i1+offsetY; //ball.x = Math.sin((rad1+i1*10) * Math.PI/180)*widthPiece+offsetX; //addChild(ball); Sprites.push(ball); } addEventListener(Event.ENTER_FRAME, onEnterFrame); // entry point } /** * ループ処理 * @param e */ private function onEnterFrame(e:Event):void { headTrail(); trail(0,MAXNUMBER, 0.9); drawPolygon(); } /** * 最初のスプライトの動き */ private function headTrail():void { rad1 += drad1; rad2 += 2; if(rad1 >360){ rad1 = rad1 - 360; if (Math.floor(Math.random() * 3) < 1) { drad1 = Math.random()*4+2;//目標周期をランダムに決定（0～3.99999） } } if(rad2 >360){ rad2 = rad2 - 360; } //var xsp = (this._xmouse-posx)*0.03+1; //var ysp = (this._ymouse-posy)*0.03+1; //posx += xsp; //posy += ysp; var firstBall:Ball = Sprites[0]; firstBall.x = Math.sin(rad1 * Math.PI/180)*widthPiece+offsetX; //this.p0._x += xsp*2; //this.movy(ysp); } /** * 先頭の点以外の処理 * @param st * @param end * @param rate */ private function trail(st:int,end:int,rate:Number):void { for (var i:int = (end - 1); i > st; i-- ) { //trace(i); //Sprites[i].x = Math.sin((rad1+(i+1)*10) * Math.PI/180)*widthPiece+offsetX; Sprites[i].x = Sprites[(i - 1)].x; //setTrail(Sprites[i1], Sprites[(i1-1)], rate); } } /** * 先頭の点以外の処理（一個当たりの処理） * @param targetMc * @param currentMc * @param rate */ private function setTrail(targetMc:Ball,currentMc:Ball,rate:Number):void { //var spx:Number = (currentMc.x - targetMc.x) * rate * lossRateAll; //targetMc.x += spx; } /** * ポリゴンの描写 */ private function drawPolygon():void { var i1:int = MAXNUMBER; graphics.clear(); while (--i1) { graphics.beginFill(0xFFFFFF); graphics.lineStyle(0, 0x000000, 100); var p0:Ball = Sprites[i1]; var w1:Number = p0.width*Math.cos((rad2+i1*2+45) * Math.PI/180)/2; graphics.moveTo(p0.x-w1, p0.y-w1); graphics.lineTo(p0.x+w1, p0.y+w1); var p1:Ball = Sprites[(i1-1)]; var w2:Number = p1.width*Math.cos((rad2+i1*2+45) * Math.PI/180)/2; graphics.lineTo(p1.x+w2, p1.y+w2); graphics.lineTo(p1.x-w2, p1.y-w2); graphics.lineTo(p0.x-w1, p0.y-w1); graphics.endFill(); } } } } import flash.display.Sprite; class Ball extends Sprite { public var radius:Number; public var color:uint; public var vx:Number = 0; public var vy:Number = 0; public var mass:Number = 0; public function Ball(radius:Number, color:uint, alpha:Number) { this.radius = radius; this.color = color; this.alpha = alpha; init(); } public function init():void { graphics.beginFill(color); graphics.drawCircle(0, 0, radius); graphics.endFill(); } }