軌跡
/**
* Copyright tktr90755 ( http://wonderfl.net/user/tktr90755 )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/8t6n
*/
package
{
import com.flashdynamix.utils.SWFProfiler;
import flash.display.Shape;
import flash.display.Sprite;
import gs.easing.Quart;
import gs.TweenMax;
[SWF(backgroundColor = 0x000000, frameRate = 60)]
public class Index extends Sprite
{
private var homing1:Homing;
private var homing2:Homing;
private var homing3:Homing;
private var homing4:Homing;
private var homing5:Homing;
//private var homing6:Homing;
//private var homing7:Homing;
//private var homing8:Homing;
//private var homing9:Homing;
//private var homing10:Homing;
private var homing11:Homing;
private var shape1:Shape;
private var shape2:Shape;
public function Index()
{
SWFProfiler.init(this);
homing1 = new Homing(stage);
homing2 = new Homing(stage);
homing3 = new Homing(stage);
homing4 = new Homing(stage);
homing5 = new Homing(stage);
//homing6 = new Homing(stage);
//homing7 = new Homing(stage);
//homing8 = new Homing(stage);
//homing9 = new Homing(stage);
//homing10 = new Homing(stage);
homing11 = new Homing(stage);
shape1 = new Shape();
shape1.graphics.beginFill(0x007ad1, 1);
shape1.graphics.drawRect( -5, -5, 10, 10);
addChild(shape1);
move1();
shape2 = new Shape();
shape2.graphics.beginFill(0x007ad1, 1);
shape2.graphics.drawCircle( 0, 0, 5);
addChild(shape2);
move2();
}
private function move1():void
{
var w:uint = Math.random() * stage.stageWidth;
var h:uint = Math.random() * stage.stageHeight;
var bw:uint = Math.random() * stage.stageWidth;
var bh:uint = Math.random() * stage.stageHeight;
TweenMax.to
(
shape1,
0.5,
{
x :w,
y :h,
bezierThrough :[ { x:bw, y:bh } ],
orientToBezier :true,
ease :Quart.easeInOut,
onComplete :move1,
onUpdate :function():void
{
homing1.to(shape1.x, shape1.y, "square", 0xFFFFFF, 2, 15, 10);
homing2.to(shape1.x, shape1.y, "square", 0xFFFFFF, 2, 15, 15);
homing3.to(shape1.x, shape1.y, "square", 0xFFFFFF, 2, 15, 20);
homing4.to(shape1.x, shape1.y, "square", 0xFFFFFF, 2, 15, 25);
homing5.to(shape1.x, shape1.y, "square", 0xFFFFFF, 2, 15, 30);
//homing6.to(shape1.x, shape1.y, "square", 0xFFFFFF, 2, 15, 35);
//homing7.to(shape1.x, shape1.y, "square", 0xFFFFFF, 2, 15, 40);
//homing8.to(shape1.x, shape1.y, "square", 0xFFFFFF, 2, 15, 45);
//homing9.to(shape1.x, shape1.y, "square", 0xFFFFFF, 2, 15, 50);
//homing10.to(shape1.x, shape1.y, "square", 0xFFFFFF, 2, 15, 55);
}
}
);
}
private function move2():void
{
var w:uint = Math.random() * stage.stageWidth;
var h:uint = Math.random() * stage.stageHeight;
var bw:uint = Math.random() * stage.stageWidth;
var bh:uint = Math.random() * stage.stageHeight;
TweenMax.to
(
shape2,
1,
{
x :w,
y :h,
bezierThrough :[ { x:bw, y:bh } ],
orientToBezier :true,
ease :Quart.easeInOut,
onComplete :move2,
onUpdate :function():void
{
homing11.to(shape2.x, shape2.y, "circle", 0xFFFFFF, 1, 8, 25);
}
}
);
}
}
}
import flash.display.DisplayObjectContainer;
import flash.display.Shape;
import flash.events.Event;
class Homing
{
private var container :DisplayObjectContainer;
private var oldX :Number;
private var oldY :Number;
private var currentX :Number;
private var currentY :Number;
/**
* @param container ターゲットコンテナ
*/
public function Homing(_container:DisplayObjectContainer)
{
container = _container;
}
/**
* @param positionX ポジションX
* @param positionY ポジションY
* @param type "square"か"circle"か
* @param color 色
* @param minSize パーティクルの最小サイズ
* @param maxSize パーティクルの最大サイズ
* @param disperse パーティクルの散らばり具合
* @param speed パーティクルの進行方向へのスピード
* @param distanceLimit 古いポジションと新しいポジションとの距離間の許容値
*/
public function to(
positionX:uint,
positionY:uint,
type:String = "square",
color:int = 0xFFFFFF,
minSize:int = 2,
maxSize:int = 15,
disperse:int = 15,
speed:int = 50,
distanceLimit:int = 10
):void
{
//移動前のポジション
oldX = currentX;
oldY = currentY;
//移動後のポジション
currentX = positionX;
currentY = positionY;
//移動前に対して移動後への方向をもとめる
var angle:Number = Math.atan2 (currentY - oldY, currentX - oldX);
var distanceX:Number = Math.cos (angle);
var distanceY:Number = Math.sin (angle);
//移動前と移動後との距離をもとめる
var distance:int = int(Math.sqrt ((currentY - oldY) * (currentY - oldY) + (currentX - oldX) * (currentX - oldX)));
//古いポジションと新しいポジションとの距離間が10以上ならばパーティクルを出す（シャッとしたら出す）
if (distance >= distanceLimit)
{
//大きさ
var radius:int = int(Math.random () * (maxSize - minSize)) + minSize;
//散りぐあい
var disperse:int;
if ((Math.random() * 2 >> 0) == 1) { disperse = int(Math.random () * disperse) * ( -1); } else { disperse = int(Math.random () * disperse) * 1; };
//目的地
var targetX:int = currentX + disperse + speed * distanceX;
var targetY:int = currentY + disperse + speed * distanceY;
//ターゲットプロパティ
var targetScaleX:int = 1;
var targetScaleY:int = 1;
//速度(2～5)
var speed:int = (Math.random() * 4 >> 0) + 2;
//登退退場切り替えジャッジ
var judge:int = 1;
//登場済みかどうか
var isEmerged:Boolean = false;
//シェイプ生成
var shape:Shape = new Shape();
shape.x = currentX;
shape.y = currentY;
shape.graphics.beginFill(color, 1);
if (type == "circle") { shape.graphics.drawCircle( 0, 0, radius); };
if (type == "square") { shape.graphics.drawRect( -radius / 2, -radius / 2, radius, radius); };
//初期プロパティ
shape.scaleX = 0;
shape.scaleY = 0;
shape.alpha = Math.random();
//addする
container.addChild(shape);
//動き
shape.addEventListener
(
Event.ENTER_FRAME,
function(e:Event):void
{
//rotation(上に行ったら右回転下に行ったら左回転)
shape.rotation -= ((targetY - shape.y) * speed) / 5;
//x
if (int(Math.abs(targetX - shape.x)) > judge) { shape.x += (targetX - shape.x) / 10; } else { shape.x = targetX; };
//y
if (int(Math.abs(targetY - shape.y)) > judge) { shape.y += (targetY - shape.y) / 10; } else { shape.y = targetY; };
//scale
if (Math.abs(targetScaleX - shape.scaleX) * 100 > judge && Math.abs(targetScaleY - shape.scaleY) * 100 > judge)
{
shape.scaleX += (targetScaleX - shape.scaleX) / speed;
shape.scaleY += (targetScaleY - shape.scaleY) / speed;
}
else
{
shape.scaleX = targetScaleX;
shape.scaleY = targetScaleY;
//退場アニメーションへ移行
isEmerged = true;
}
//退場アニメーションへ
if (isEmerged)
{
targetScaleY = 0;
targetScaleX = 0;
}
//登場済みで退場アニメーションが終わっていたら終了処理
if (isEmerged && shape.scaleX === targetScaleX && shape.scaleY === targetScaleY)
{
e.target.removeEventListener(Event.ENTER_FRAME, arguments.callee);
//removeする
shape.graphics.clear();
container.removeChild(shape);
}
}
);
}
}
}