/**
* Copyright yama3 ( http://wonderfl.net/user/yama3 )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/nP9H
*/
package {
import flash.display.Shape;
import flash.display.Sprite;
import flash.events.Event;
import flash.events.MouseEvent;
import net.hires.debug.Stats;
public class FlashTest extends Sprite {
private var cursor:StarDustCursor;
public function FlashTest() {
if(stage) init();
else addEventListener(Event.ADDED_TO_STAGE, init);
}
private function init(e:Event = null):void {
removeEventListener(Event.ADDED_TO_STAGE, init);
var bg:Sprite = new Sprite();
bg.graphics.beginFill(0x000000);
bg.graphics.drawRect(0, 0, stage.stageWidth, stage.stageHeight);
bg.graphics.endFill();
addChild(bg);
var stats:Stats = new Stats();
addChild(stats);
cursor = new StarDustCursor(this);
}
}
}
import flash.display.DisplayObject;
import flash.display.DisplayObjectContainer;
import flash.display.Shape;
import flash.display.Sprite;
import flash.events.Event;
import flash.events.MouseEvent;
import flash.ui.Mouse;
import org.libspark.betweenas3.BetweenAS3;
import org.libspark.betweenas3.IObjectTween;
import org.libspark.betweenas3.ITween;
class StarDustCursor extends Sprite {
private var container:DisplayObjectContainer;
public function StarDustCursor(container:DisplayObjectContainer) {
x = container.mouseX;
y = container.mouseY;
mouseEnabled = false;
Mouse.hide();
this.container = container;
this.container.addChild(this);
this.container.addEventListener(MouseEvent.MOUSE_MOVE, onContainerMouseMove);
addEventListener(Event.ENTER_FRAME, onEnterFrame);
}
private function onContainerMouseMove(e:MouseEvent):void {
if(e.currentTarget == container) {
x = e.stageX;
y = e.stageY;
}
}
private var cnt:uint = 0;
private var curHue:Number = 0;
private var starPool:Vector.<Star> = new Vector.<Star>();
private var tc:Color = new Color();
private var fc:Color = new Color();
private function onEnterFrame(e:Event):void {
var star:Star;
if(starPool.length == 0) {
star = new Star(x, y, 7.5, new Color(0xff, 0xff, 0xff));
} else {
star = starPool.pop();
star.init(x, y, 7.5, new Color(0xff, 0xff, 0xff));
}
container.addChild(star);
var sina:Number = Math.sin(Math.PI * 2 * Math.random());
var cosa:Number = Math.cos(Math.PI * 2 * Math.random());
var length:Number = (18 * Math.random() * 12) / 4;
tc.setHSV(curHue, 0.8, 0.7);
fc.setRGB(0xff, 0xff, 0xff);
var tween:IObjectTween = BetweenAS3.tween(
star,
{rotationZ:360, x:star.x + length * cosa, y:star.y + length * sina, alpha:0.0, span:17.5, color:{r:tc.r, g:tc.g, b:tc.b}},
{rotationZ:0, x:star.x, y:star.y, alpha:1.0, span:7.5, color:{r:fc.r, g:fc.r, b:fc.b}},5
);
tween.onComplete = function():void {
var star:Star = tween.target as Star;
star.destroy();
container.removeChild(star);
starPool.push(star);
};
tween.play();
curHue += 0.01;
if(cnt++ % 2 == 0)
stage.invalidate();
}
}
class Color {
public var r:uint;
public var g:uint;
public var b:uint;
public function Color(r:uint = 0, g:uint = 0, b:uint = 0) {
this.r = r;
this.g = g;
this.b = b;
}
public function toUInt():uint {
return r << 16 | g << 8 | b;
}
public function toString():String {
return "Color[r:" + r + ", g:" + g + ", b:" + b + "]";
}
public function setRGB(r:uint, g:uint, b:uint):Color {
this.r = r;
this.g = g;
this.b = b;
return this;
}
public function setHSV(h:Number, s:Number, v:Number):Color {
var i:int;
var f:Number, p:Number, q:Number, t:Number;
if(s == 0) {
r = g = b = v * 255;
return this;
}
h = (h - Math.floor(h)) * 6;
i = Math.floor(h);
f = h - Math.floor(h);
p = v * (1 - s);
q = v * (1 - s * f);
t = v * (1 - s * (1 - f));
switch(i){
case 0:
r = v * 255;
g = t * 255;
b = p * 255;
break;
case 1:
r = q * 255;
g = v * 255;
b = p * 255;
break;
case 2:
r = p * 255;
g = v * 255;
b = t * 255;
break;
case 3:
r = p * 255;
g = q * 255;
b = v * 255;
break;
case 4:
r = t * 255;
g = p * 255;
b = v * 255;
break;
default:
r = v * 255;
g = p * 255;
b = q * 255;
break;
}
return this;
}
}
class Star extends Shape {
public var _color:Color = new Color();
public var _span:Number = 10;
public function Star(x:Number = 0, y:Number = 0, span:Number = 10, color:Color = null) {
init(x, y, span, color);
}
public function init(x:Number = 0, y:Number = 0, span:Number = 10, color:Color = null):Object {
this.x = x;
this.y = y;
_color = color = null ? new Color() : color;
_span = span;
update();
removeEventListener(Event.RENDER, update);
addEventListener(Event.RENDER, update);
return this;
}
public function destroy():void {
removeEventListener(Event.RENDER, update);
}
public function set color(color:Color):void {
_color = color;
updated = false;
}
public function get color():Color {
return _color;
}
public function set span(span:Number):void {
_span = span;
updated = false;
}
public function get span():Number {
return _span;
}
public var updated:Boolean = false;
public function update(e:Event = null):void {
if(updated)
return
updated = true;
var i:int;
var sina:Number = span * (0.1 + 0.1 * span / 20);
graphics.clear();
graphics.beginFill(color.toUInt());
for(i = 0; i < 5; i++) {
sina = Math.sin(Math.PI * 2 / 5 * i);
cosa = Math.cos(Math.PI * 2 / 5 * i);
if(i == 0) {
graphics.moveTo(cosa * span, sina * span);
} else {
graphics.lineTo(cosa * span, sina * span);
}
sina = Math.sin(Math.PI * 2 / 5 * i + Math.PI / 2 / 5 * 2);
cosa = Math.cos(Math.PI * 2 / 5 * i + Math.PI / 2 / 5 * 2);
graphics.lineTo(cosa * innerSpan, sina * innerSpan);
}
i = 0;
sina = Math.sin(Math.PI * 2 / 5 * i);
cosa = Math.cos(Math.PI * 2 / 5 * i);
graphics.lineTo(cosa * span, sina * span);
graphics.endFill();
}
}
