forked from: Another Planet
/**
* Copyright uwi ( http://wonderfl.net/user/uwi )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/tv6H
*/
// forked from k3lab's Another Planet
package
{
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.Sprite;
import flash.events.Event;
import flash.geom.ColorTransform;
import flash.geom.Point;
import flash.geom.Rectangle;
import flash.display.BlendMode;
import flash.display.GradientType;
[SWF(width="465", height="465", frameRate="60")]
public class Main extends Sprite {
private var canvas:BitmapData;
private var circle_Array:Array = [];
private var reset:Array = [];
private var cirlce_Num:int = 10000;
private var color:ColorTransform = new ColorTransform(1, 1, 1, 1, -10, -35 * 20, -15 * 2);
private var planet:Sprite;
public function Main():void {
if (stage) init();
else addEventListener(Event.ADDED_TO_STAGE, init);
}
private function init(e:Event = null):void {
removeEventListener(Event.ADDED_TO_STAGE, init);
createPos();
setting();
addEventListener(Event.ENTER_FRAME, update);
}
private function createPos():void {
for (var i:int = 0; i < cirlce_Num; i++) {
var p:Particle = new Particle()
p.x = Math.random() * 465;
p.y = Math.random() * 465;
circle_Array[i] = p;
var r:Number = i / cirlce_Num * 2 * Math.PI / 10;
var resetPos:Object = { x: Math.cos(r * 100) * 100 + 240, y:Math.sin(r * 100) * 100 + 240 };
reset[i]=resetPos;
}
}
private function setting():void {
canvas = new BitmapData(465, 465, false, 0);
addChild(new Bitmap(canvas)) as Bitmap;
planet= addChild(new Sprite()) as Sprite;
planet.graphics.beginGradientFill(GradientType.RADIAL,[0xF56800,0xFF0000],[0.1,0.4],[10,255],null,"pad","rgb",0)
planet.graphics.drawCircle(0, 0, 100);
planet.graphics.endFill();
planet.blendMode="add"
planet.x = 240;
planet.y = 240;
}
private function update(e:Event):void {
canvas.lock();
canvas.colorTransform(canvas.rect, color);
for (var i:int = 0; i < cirlce_Num; i++) {
var p:Particle = circle_Array[i];
var r:Number = Math.PI * p.r / 180;
var posX:Number = Math.sin(r) * p.n * planet.mouseX/100;
var posY:Number = -(Math.cos(r)) * p.n * planet.mouseY/100;
p.x += posX;
p.y += posY;
var xx : Number = -(p.y - 465 / 2) * 0.01;
var yy : Number = (p.x - 465 / 2) * 0.01;
p.x += xx;
p.y += yy;
p.n += 0.09;
if (p.x > 465 || p.x < 0 || p.y > 465 || p.y < 0) {
p.x = reset[i].x;
p.y = reset[i].y;
p.n = 0;
}
canvas.setPixel(p.x, p.y, 0xFFFFFF);
}
canvas.unlock();
}
}
}
class Particle {
public var r:int;
public var n:Number;
public var x:Number;
public var y:Number;
public function Particle() {
r = Math.random() * 360
n = 0;
x = 0;
y = 0;
}
}