flash on 2009-11-1
マウスのまわりをラインがうねうねをdraw
@author ibu4gin
いろいろぱくってます
/**
* Copyright ibu4gin ( http://wonderfl.net/user/ibu4gin )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/m3Rm
*/
/*
マウスのまわりをラインがうねうねをdraw
@author ibu4gin
いろいろぱくってます
*/
package {
import flash.display.Sprite;
import flash.display.Graphics;
import flash.display.Shape;
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.BlendMode;
import flash.events.Event;
import flash.events.MouseEvent;
import flash.geom.Point;
import flash.geom.Matrix;
import flash.geom.ColorTransform;
import flash.filters.ColorMatrixFilter;
import flash.filters.BlurFilter;
public class line extends Sprite
{
private var pptArr :Array = [];
private var canvas :BitmapData;
private var bmp :Bitmap;
private var line_base :Sprite;
private var canvas_base:Sprite;
private var test_flg:Boolean = false;
private var S_W :Number;
private var S_H :Number;
public function line():void
{
Wonderfl.capture_delay( 2 );
stage.frameRate = 60;
S_W = 465;
S_H = 465;
line_base = new Sprite();
canvas_base = addChild( new Sprite() ) as Sprite;
canvas = new BitmapData(S_W,S_H,true,0x00FFFFFF);//0x00
bmp = new Bitmap( canvas );
canvas_base.addChild( bmp );
for(var v:uint = 0; v < pptNUM; ++v)pptArr[v] = new PhyPo(S_W/2, S_H/2);
if(test_flg){
addChild( line_base );
}
addEventListener(Event.ENTER_FRAME, render)
}
// レンダリング
private function render(E:Event):void
{
Line_Loop();
if(!test_flg){
bmpDraw();
fadeStep();
}
}
// フィルターetc
private var mat :Matrix;
private var rota_num:Number;
private var po :Point = new Point();
private var BLURFil :BlurFilter = new BlurFilter(4,4,2);
private var ColorTR :ColorTransform = new ColorTransform(Math.random()*0.4+0.6,Math.random()*0.4+0.6,Math.random()*0.4+0.6,1,0,0,0,0);
private var CoMatFil:ColorMatrixFilter = new ColorMatrixFilter([2, 0, 0, 0, -100, 0, 2, 0, 0, -100, 0, 0, 2, 0, -100,0, 0, 0, 1, 0]);
private function bmpDraw():void
{
canvas.draw(line_base, mat, null, BlendMode.ADD, null, true);//6ADD//2SCREEN//
}
public function fadeStep():void
{
canvas.applyFilter(canvas, canvas.rect, po, BLURFil);
//canvas.applyFilter(canvas, canvas.rect, po, CoMatFil)
//canvas.colorTransform(canvas.rect, );
}
// ライン生成
private var KN :Number = 4;//4
private var tenPo_X :Number = 0;
private var tenPo_Y :Number = 0;
private var hankei :Number = 100;//400-200
private var angle :Number = 0;
private var yuragi_num:Number = 0;
private var my_byo :Number = 0;
//ラインのポイント数
private var pptNUM :int = 10;//10
private var mouseXX:Number;
private var mouseYY:Number;
private function Line_Loop(E:Event = null):void
{
my_byo += 0.02;//0.02
yuragi_num = -5000 * Math.sin( my_byo * Math.PI * 2 * 0.1 );///1000
yuragi_num = yuragi_num | 0;
angle += 0.00001 * yuragi_num;//0.0001//
if( hankei < 300 ){//400
hankei += 1;
}
mouseXX = mouseX-50;
mouseYY = mouseY+50;
//mouseXX = (S_W/2 -50);
//mouseYY = (S_H/2 +50);
tenPo_X = mouseXX + hankei * Math.cos( angle + Math.PI * 2 );
tenPo_Y = mouseYY + hankei * Math.sin( angle + Math.PI * 2 );
for(var v:uint =0; v < pptNUM; v++){
pptArr[v].Loop();
if(v == 0){
pptArr[v].SET_kasokudo( ( tenPo_X - pptArr[v].X) * (KN+15), ( tenPo_Y - pptArr[v].Y) * (KN+40) );//(KN+20)
}else{
pptArr[v].SET_kasokudo( ( pptArr[v-1].X - pptArr[v].X) * KN, ( pptArr[v-1].Y - pptArr[v].Y) * KN);//KN-4
}
}
//ライン生成
line_base.graphics.clear();
line_base.graphics.lineStyle( 1 , 0x3976AA);
Drawline( pptArr, line_base);
}
private function Drawline( Arr:Array, SP:Sprite ):void
{
var num:int = Arr.length;
if(num >= 3){
SP.graphics.moveTo(Arr[1].X,Arr[1].Y);
for(var v:uint = 1; v <= num-3; v++){
SP.graphics.curveTo(Arr[v].X,Arr[v].Y,(Arr[v].X+Arr[v+1].X)/2,(Arr[v].Y+Arr[v+1].Y)/2);
}
SP.graphics.curveTo(Arr[num-2].X,Arr[num-2].Y,Arr[num-1].X,Arr[num-1].Y);
}
}
}//class
}//package
class PhyPo
{
public var X:Number, Y:Number;
private var vX:Number, vY:Number;
private var aX:Number, aY:Number;
private var B:Number;
private var t:Number = 0.02;
public function set _t( value:Number ):void{ _t = value; }
private var add_t:Number = 0.5;
public function set _add_t( value:Number ):void{ _add_t = value; }
public function PhyPo(XX:Number = 0, YY:Number = 0):void
{
X = XX;
Y = YY;
B = 0.9;
vX = 0;
vY = 0;
aX = 0;
aY = 0;
}
public function Loop():void
{
var XXX:Number = vX *t + add_t * aX * t * t;
var YYY:Number = vY *t + add_t * aY * t * t;
X += XXX;
Y += YYY;
X += vX *t + add_t * aX * t * t;
Y += vY *t + add_t * aY * t * t;
vX += aX * t;
vY += aY * t;
vX *= B;
vY *= B;
aX = 0;
aY = 0;
}//
function SET_kasokudo(aaX:Number = 0,aaY:Number = 0):void
{
aX += aaX;
aY += aaY;
}
}