forked from: forked from: フィボナッチ数列
/**
* Copyright Richard.Watson ( http://wonderfl.net/user/Richard.Watson )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/qNmB
*/
// forked from hasandurmaz44's forked from: フィボナッチ数列
// forked from ffffine's フィボナッチ数列
// forked from ffffine's flash on 2010-8-23
package {
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.Shape;
import flash.display.Sprite;
import flash.events.Event;
import flash.geom.ColorTransform;
import flash.utils.getTimer;
import flash.events.MouseEvent;
[SWF(width = "480", height = "800", color = "0x000000" , frameRate = "30")];
public class FlashTest extends Sprite {
private var _num:Number = 100;
private var _rad:Number = 100;
private var _balls:Array = [];
private var _addRot:Number = 0;
private var _vector:int = 1;
private var _canvas:Bitmap;
private var _bmpData:BitmapData;
private var _colorTransform:ColorTransform;
public function FlashTest() {
_bmpData = new BitmapData(465, 465, false,0x000000);
_canvas = new Bitmap(_bmpData,"auto",true);
_colorTransform = new ColorTransform(0.99,0.959,0.99);
addChild(_canvas);
for (var i:int = 0; i < _num; i++)
{
var sh:Shape = new Shape();
var theta:Number = (i * Math.PI * 2.0 * ((1 + Math.sqrt(5)) / 2)) * Math.PI / 180;
var h:Number = i * 360 / _num * 2;
var s:Number = 30;
var v:Number = 99;
sh.graphics.beginFill(HSVtoRGB(h,s,v));
sh.graphics.drawCircle(0, 0, 10);
sh.graphics.endFill();
sh.x = (_rad + i*2) * Math.sin(theta) + stage.stageWidth / 2;
sh.y = (_rad + i*2) * Math.cos(theta) + stage.stageHeight / 2;
sh.blendMode = "add";
addChild(sh);
_balls.push(sh);
}
stage.addEventListener(Event.ENTER_FRAME, xEnterFrame);
stage.addEventListener(MouseEvent.CLICK, stageClick);
}
private function xEnterFrame(e:Event):void
{
for (var i:int = 0; i < _num; i++)
{
var theta:Number = (i * Math.PI * 2.0 * ((1 + Math.sqrt(5)) / 2) + _addRot) * Math.PI / 180 * _vector ;
var myRad:Number = _rad * Math.cos(getTimer() / 2000) + 110 ;
_balls[i].scaleX = _balls[i].scaleY = 1 * Math.sin(getTimer() / 2000) ;
_balls[i].x = (myRad + i*2) * Math.sin(theta) + stage.stageWidth / 2;
_balls[i].y = (myRad + i*2) * Math.cos(theta) + stage.stageHeight / 2;
}
_bmpData.draw(stage);
_bmpData.colorTransform(_bmpData.rect, _colorTransform);
_addRot++;
}
private function stageClick(e:MouseEvent):void{
_vector = _vector*-1;
}
private function HSVtoRGB(h:Number, s:Number, v:Number):uint
{
var tmpR:uint = 0;
var tmpG:uint = 0;
var tmpB:uint = 0;
h = (h % 360.0 + 360.0) % 360.0;
s = Math.min( Math.max(s, 0.0) , 1.0);
v = Math.min( Math.max(v, 0.0) , 1.0);
if(s == 0.0)
{
tmpR = v;
tmpG = v;
tmpB = v;
}
else
{
var hi:uint = (h / 60) % 6;
var f:Number = h / 60 - hi;
var p:Number = v * (1.0 - s);
var q:Number = v * (1.0 - f * s);
var t:Number = v * (1.0 - (1.0 - f) * s);
switch(hi)
{
case 0:
{
tmpR = v * 255;
tmpG = t * 255;
tmpB = p * 255;
break;
}
case 1:
{
tmpR = q * 255;
tmpG = v * 255;
tmpB = p * 255;
break;
}
case 2:
{
tmpR = p * 255;
tmpG = v * 255;
tmpB = t * 255;
break;
}
case 3:
{
tmpR = p * 255;
tmpG = q * 255;
tmpB = v * 255;
break;
}
case 4:
{
tmpR = t * 255;
tmpG = p * 255;
tmpB = v * 255;
break;
}
case 5:
{
tmpR = v * 255;
tmpG = p * 255;
tmpB = q * 255;
break;
}
default:
{
tmpR = 0;
tmpG = 0;
tmpB = 0;
break;
}
}
}
return tmpR << 16 | tmpG << 8 | tmpB;
}
}
}