Sakura Particle with Stardust
Sakura Particle with Stardust - FlaMi -
Flashで花見気分を味わう
年度末で忙しく桜を見に行けない人たちへ…
inspired by Stardust Demo
http://code.google.com/p/stardust-particle-engine/
/**
* Copyright clockmaker ( http://wonderfl.net/user/clockmaker )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/tLIW
*/
/*
Sakura Particle with Stardust - FlaMi -
Flashで花見気分を味わう
年度末で忙しく桜を見に行けない人たちへ…
inspired by Stardust Demo
http://code.google.com/p/stardust-particle-engine/
updated:
2011/03/17 - update for Stardust 1.3.186
*/
package {
import flash.display.*;
import flash.events.Event;
import flash.events.MouseEvent;
import flash.geom.ColorTransform;
import flash.net.URLRequest;
import flash.system.LoaderContext;
import idv.cjcat.stardust.common.clocks.SteadyClock;
import idv.cjcat.stardust.threeD.handlers.DisplayObjectHandler3D;
import idv.cjcat.stardust.threeD.initializers.DisplayObjectClass3D;
import jp.progression.commands.lists.SerialList;
import jp.progression.commands.net.LoadBitmapData;
[SWF(width="465", height="465", frameRate="60")]
public class Main extends Sprite {
public static var petelBmd:BitmapData;
private static const CONTEXT:LoaderContext = new LoaderContext(true);
public function Main() {
addChild(_container);
addChild(new Bitmap(_bmd));
stage.quality = StageQuality.LOW;
// パーティクルハンドラーの作成
var handler:DisplayObjectHandler3D = new DisplayObjectHandler3D(_container);
handler.camera.position.x = 500;
handler.camera.position.y = -200;
handler.camera.position.z = -500;
handler.camera.direction.set(-500, 0, 0);
// エミッターの作成
_emitter = new SakuraEmitter(new SteadyClock(1));
_emitter.particleHandler = handler
// 外部ファイル読み込み
new SerialList(null, new LoadBitmapData(new URLRequest("http://assets.wonderfl.net/images/related_images/3/33/331b/331bb452e206976414f4577fb6709f48ac822ef3"), { context: CONTEXT }),
function():void {
addChildAt(new Bitmap(this.latestData as BitmapData), 0);
},
new LoadBitmapData(new URLRequest("http://assets.wonderfl.net/images/related_images/b/bd/bdae/bdaee24a0702bb49aeef880cbdc56729d78dc22b"), { context: CONTEXT }),
function():void {
petelBmd = this.latestData as BitmapData;
addEventListener(Event.ENTER_FRAME, _onEnterFrame);
stage.addEventListener(MouseEvent.MOUSE_DOWN, _onMouseDown);
stage.addEventListener(MouseEvent.MOUSE_UP, _onMouseUp);
}
).execute();
}
private var _bmd:BitmapData = new BitmapData(465, 465, true, 0x00000000);
private var _container:Sprite = new Sprite();
private var _emitter:SakuraEmitter;
private var _stepTimeInterval:Number = 1;
private function _onEnterFrame(event:Event):void {
_emitter.step(_stepTimeInterval);
_bmd.colorTransform(_bmd.rect, new ColorTransform(1, 1, 1, 0.3));
_bmd.draw(_container);
}
private function _onMouseDown(e:Event):void {
_stepTimeInterval = 0.04;
stage.quality = StageQuality.MEDIUM;
}
private function _onMouseUp(e:Event):void {
_stepTimeInterval = 1;
stage.quality = StageQuality.LOW;
}
}
}
import flash.display.*;
import idv.cjcat.stardust.common.actions.Age;
import idv.cjcat.stardust.common.actions.AlphaCurve;
import idv.cjcat.stardust.common.actions.DeathLife;
import idv.cjcat.stardust.common.clocks.Clock;
import idv.cjcat.stardust.common.emitters.Emitter;
import idv.cjcat.stardust.common.initializers.Life;
import idv.cjcat.stardust.common.initializers.Scale;
import idv.cjcat.stardust.common.math.UniformRandom;
import idv.cjcat.stardust.common.particles.Particle;
import idv.cjcat.stardust.threeD.actions.Move3D;
import idv.cjcat.stardust.threeD.actions.StardustSpriteUpdate3D;
import idv.cjcat.stardust.threeD.emitters.Emitter3D;
import idv.cjcat.stardust.threeD.initializers.DisplayObjectClass3D;
import idv.cjcat.stardust.threeD.initializers.Position3D;
import idv.cjcat.stardust.threeD.initializers.Velocity3D;
import idv.cjcat.stardust.threeD.zones.CubeZone;
import idv.cjcat.stardust.twoD.display.StardustSprite;
class SakuraEmitter extends Emitter3D {
public function SakuraEmitter(clock:Clock) {
super(clock);
//initializers
addInitializer(new DisplayObjectClass3D(SakuraPetalWrapper));
addInitializer(new Life(new UniformRandom(100, 40)));
addInitializer(new Position3D(new CubeZone(-200, -900, -200, 1600, 300, 1600)));
addInitializer(new Velocity3D(new CubeZone(-30, 10, -30, 30, 10, 30)));
addInitializer(new Scale(new UniformRandom(1, 0.3)));
//actions
addAction(new Age());
addAction(new Move3D());
addAction(new DeathLife());
addAction(new StardustSpriteUpdate3D());
addAction(new AlphaCurve(15, 15));
}
}
class SakuraPetalWrapper extends StardustSprite {
public function SakuraPetalWrapper() {
phase = 0;
petel = new Bitmap(Main.petelBmd);
innerWrapper = new Sprite();
innerWrapper.addChild(petel);
petel.rotation = Math.random() * 360;
rotation *= Math.random() * 360;
selfOmega = Math.random() * 10;
petalOmega = Math.random() * 10;
scaleXRate = Math.random() * 0.03 + 0.07;
addChild(innerWrapper);
}
private var innerWrapper:Sprite;
private var petalOmega:Number;
private var petel:Bitmap;
private var phase:Number;
private var scaleXRate:Number;
private var selfOmega:Number;
override public function update(emitter:Emitter, particle:Particle, time:Number):void {
petel.rotation += petalOmega * time;
rotation += selfOmega * time;
phase += time;
innerWrapper.scaleX = Math.sin(scaleXRate * phase);
}
}