Fireworks2011
////////////////////////////////////////////////////////////////////////////////
// Fireworks2011
//
// [AS3.0] ドットの光 (8)
// http://www.project-nya.jp/modules/weblog/details.php?blog_id=1097
////////////////////////////////////////////////////////////////////////////////
/**
* Copyright ProjectNya ( http://wonderfl.net/user/ProjectNya )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/w7vO
*/
////////////////////////////////////////////////////////////////////////////////
// Fireworks2011
//
// [AS3.0] ドットの光 (8)
// http://www.project-nya.jp/modules/weblog/details.php?blog_id=1097
////////////////////////////////////////////////////////////////////////////////
package {
import flash.display.Sprite;
import flash.events.Event;
import flash.geom.Rectangle;
import flash.geom.Point;
import flash.utils.Timer;
import flash.events.TimerEvent;
[SWF(backgroundColor="#000000", width="465", height="465", frameRate="30")]
public class Main extends Sprite {
private var fireworks:Fireworks;
private var timer:Timer;
private var colors:Array;
private var points:Array;
private var count:uint = 0;
public function Main() {
//Wonderfl.capture_delay(4);
init();
}
private function init():void {
graphics.beginFill(0x000000);
graphics.drawRect(0, 0, 465, 465);
graphics.endFill();
//
colors = new Array();
colors.push([{h: 200, s: 0}, {h: 200, s: 0.2}]);
colors.push([{h: 0, s: 0.2}, {h: 0, s: 0.4}]);
colors.push([{h: 60, s: 0.2}, {h: 60, s: 0.4}]);
colors.push([{h: 150, s: 0.2}, {h: 150, s: 0.4}]);
//
points = new Array();
// 2
points.push(new Point(24+4, 84));
points.push(new Point(24+52, 60));
points.push(new Point(24+100, 84));
points.push(new Point(24+68, 124));
points.push(new Point(24+36, 164));
points.push(new Point(24+4, 204));
points.push(new Point(24+52, 204));
points.push(new Point(24+100, 204));
// 0
points.push(new Point(56+172, 60));
points.push(new Point(56+140, 84));
points.push(new Point(56+124, 132));
points.push(new Point(56+140, 180));
points.push(new Point(56+172, 204));
points.push(new Point(56+212, 180));
points.push(new Point(56+220, 132));
points.push(new Point(56+212, 84));
points.push(new Point(56+172, 60));
// 1
points.push(new Point(64+292, 60));
points.push(new Point(64+292, 108));
points.push(new Point(64+292, 156));
points.push(new Point(64+292, 204));
// 1
points.push(new Point(24+412, 60));
points.push(new Point(24+412, 108));
points.push(new Point(24+412, 156));
points.push(new Point(24+412, 204));
//
fireworks = new Fireworks(new Rectangle(0, 0, 465, 465));
addChild(fireworks);
start();
}
private function start():void {
fireworks.addEventListener(Fireworks.COMPLETE, complete, false, 0, true);
fireworks.launch(points[count], colors[count%colors.length]);
startTimer();
}
private function startTimer():void {
timer = new Timer(200, 1);
timer.addEventListener(TimerEvent.TIMER_COMPLETE, launch, false, 0, true);
timer.start();
}
private function launch(evt:TimerEvent):void {
timer.removeEventListener(TimerEvent.TIMER_COMPLETE, launch);
count ++;
if (count < points.length) {
fireworks.launch(points[count], colors[count%colors.length]);
startTimer();
}
}
private function complete(evt:Event):void {
fireworks.removeEventListener(Fireworks.COMPLETE, complete);
timer = new Timer(1000, 1);
timer.addEventListener(TimerEvent.TIMER_COMPLETE, restart, false, 0, true);
timer.start();
}
private function restart(evt:TimerEvent):void {
evt.target.removeEventListener(TimerEvent.TIMER_COMPLETE, restart);
count = 0;
start();
}
}
}
//////////////////////////////////////////////////
// Fireworksクラス
//////////////////////////////////////////////////
import flash.display.Sprite;
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.PixelSnapping;
import flash.display.BlendMode;
import flash.geom.Matrix;
import flash.geom.Rectangle;
import flash.geom.Point;
import flash.geom.ColorTransform;
import flash.filters.BlurFilter;
import flash.events.Event;
class Fireworks extends Sprite {
private var rect:Rectangle;
private var bitmapData:BitmapData;
private var sparkle:BitmapData;
private var afterglow:BitmapData;
private static var scale:uint = 4;
private var matrix:Matrix;
private var amatrix:Matrix;
private var colorTrans:ColorTransform;
private var blur:BlurFilter;
private var fireworks:Array;
private var garbage:Array;
private var initialized:Boolean = false;
public static const COMPLETE:String = Event.COMPLETE;
public function Fireworks(r:Rectangle) {
rect = r;
init();
}
private function init():void {
bitmapData = new BitmapData(rect.width, rect.height, true, 0x00000000);
var bitmap:Bitmap = new Bitmap(bitmapData);
addChild(bitmap);
sparkle = new BitmapData(rect.width/scale, rect.height/scale, true, 0x00000000);
var sBitmap:Bitmap = new Bitmap(sparkle);
sBitmap.smoothing = true;
sBitmap.blendMode = BlendMode.ADD;
sBitmap.scaleX = sBitmap.scaleY = scale;
addChild(sBitmap);
afterglow = new BitmapData(rect.width*2/scale, rect.height*2/scale, true, 0x00000000);
var aBitmap:Bitmap = new Bitmap(afterglow, PixelSnapping.AUTO, true);
aBitmap.blendMode = BlendMode.ADD;
aBitmap.scaleX = aBitmap.scaleY = scale/2;
addChild(aBitmap);
matrix = new Matrix(1/scale, 0, 0, 1/scale, 0, 0);
amatrix = new Matrix(2/scale, 0, 0, 2/scale, 0, 0);
colorTrans = new ColorTransform(0.16, 0.16, 0.16);
blur = new BlurFilter(2, 2, 1);
fireworks = new Array();
garbage = new Array();
addEventListener(Event.ENTER_FRAME, update, false, 0, true);
}
public function launch(targetPos:Point, color:Object):void {
var firework:Firework = new Firework(bitmapData);
firework.id = fireworks.length;
firework.targetPos = targetPos;
firework.create(color);
firework.addEventListener(Firework.COMPLETE, complete, false, 0, true);
fireworks.push(firework);
}
private function update(evt:Event):void {
if (fireworks.length < 1) initialized = true;
if (fireworks.length > 0) {
bitmapData.lock();
bitmapData.fillRect(bitmapData.rect, 0x00000000);
if (garbage.length > 0) remove();
for (var n:uint = 0; n < fireworks.length; n++) {
var firework:Firework = fireworks[n];
firework.emit();
}
bitmapData.unlock();
sparkle.lock();
sparkle.fillRect(sparkle.rect, 0x00000000);
sparkle.draw(bitmapData, matrix);
sparkle.unlock();
}
afterglow.lock();
afterglow.draw(bitmapData, amatrix, colorTrans, BlendMode.ADD);
afterglow.applyFilter(afterglow, afterglow.rect, new Point(), blur);
afterglow.unlock();
if (initialized && fireworks.length < 2) {
fireworks = new Array();
reset();
dispatchEvent(new Event(Fireworks.COMPLETE));
initialized = false;
}
}
private function complete(evt:Event):void {
var firework:Firework = Firework(evt.target);
firework.removeEventListener(Firework.COMPLETE, complete);
garbage.push(firework.id);
}
private function remove():void {
for (var n:uint = 0; n < garbage.length; n++) {
var id:uint = garbage[n];
var firework:Firework = fireworks[id];
fireworks.splice(id, 1);
firework = null;
}
reset();
}
private function reset():void {
for (var n:uint = 0; n < fireworks.length; n++) {
var firework:Firework = fireworks[n];
firework.id = n;
}
garbage = new Array();
}
}
//////////////////////////////////////////////////
// Fireworkクラス
//////////////////////////////////////////////////
import flash.events.EventDispatcher;
import flash.display.BitmapData;
import flash.geom.Rectangle;
import flash.geom.Point;
import flash.events.Event;
import frocessing.color.ColorHSV;
class Firework extends EventDispatcher {
public var id:uint;
private var bitmapData:BitmapData;
private var rect:Rectangle;
private var launcher:ParticleDot;
private var dots:Array;
private static var speed:Number = 10;
private static var deceleration:Number = 0.94;
private static var gravity:Number = 0.05;
private var color:ColorHSV;
private var colors:Object;
private static var length:Number = 2;
private var manager:Bresenham;
public var emit:Function;
private var se:SoundEffect;
private static var soundPath:String = "http://www.project-nya.jp/images/flash/explosion.mp3";
public var targetPos:Point;
public static const COMPLETE:String = Event.COMPLETE;
public function Firework(s:BitmapData) {
bitmapData = s;
rect = bitmapData.rect;
init();
}
private function init():void {
dots = new Array();
color = new ColorHSV(0, 1);
manager = new Bresenham(bitmapData);
emit = ready;
se = new SoundEffect();
se.load(soundPath);
}
private function ready():void {
}
public function create(option:Object):void {
colors = option;
launcher = new ParticleDot(targetPos.x, rect.height);
launcher.vy = - speed*(1 + Math.random()*0.05);
color.h = colors.h;
color.s = colors.s;
launcher.rgb = color.value;
emit = launch;
}
private function launch():void {
launcher.vy += gravity;
launcher.y += (targetPos.y - launcher.y)*0.5;
bitmapData.setPixel32(launcher.x, launcher.y, 0xFF << 24 | launcher.rgb);
if (Math.abs(targetPos.y - launcher.y) < 0.5) {
explode(160, new Point(launcher.x, launcher.y), launcher.rgb);
launcher = null;
}
}
private function explode(max:uint, point:Point, rgb:uint):void {
for (var n:uint = 0; n < max; n++) {
var energy:Number = Math.random()*5;
var angle:Number = Math.random()*360;
var dot:ParticleDot = new ParticleDot(point.x, point.y, energy, angle);
dot.velocity = Math.random()*5;
dot.vx = Math.cos(dot.angle*Math.PI/180)*dot.velocity;
dot.vy = Math.sin(dot.angle*Math.PI/180)*dot.velocity;
dot.px = dot.x;
dot.py = dot.y;
dot.rgb = rgb;
dots.push(dot);
}
emit = spread;
se.play(0.6);
}
private function spread():void {
for (var n:uint = 0; n < dots.length; n++) {
var dot:ParticleDot = dots[n];
dot.vx *= deceleration;
dot.vy *= deceleration;
dot.vy += gravity;
dot.x += dot.vx;
dot.y += dot.vy;
dot.energy *= deceleration;
var x0:int = dot.x;
var y0:int = dot.y;
var x1:int = dot.x - (dot.x - dot.px)*length;
var y1:int = dot.y - (dot.y - dot.py)*length;
color.h = colors[1].h + (colors[0].h - colors[1].h)*dot.energy*0.2;
color.s = colors[1].s + (colors[0].s - colors[1].s)*dot.energy*0.2;
dot.rgb = color.value;
manager.draw(x0, y0, x1, y1, dot.rgb, 1);
dot.px = dot.x;
dot.py = dot.y;
if (dot.energy < 0.05) {
dots.splice(n, 1);
dot = null;
if (dots.length < 1) {
dispatchEvent(new Event(Firework.COMPLETE));
}
}
}
}
}
//////////////////////////////////////////////////
// EmitLightクラス
//////////////////////////////////////////////////
import flash.display.BitmapData;
import flash.geom.Rectangle;
import frocessing.color.ColorHSV;
class EmitLight {
private var canvas:BitmapData;
private var rect:Rectangle;
private var dots:Array;
private static var deceleration:Number = 0.1;
private var color:ColorHSV;
public function EmitLight(c:BitmapData) {
canvas = c;
rect = canvas.rect;
init();
}
private function init():void {
dots = new Array();
color = new ColorHSV(0, 0.4);
}
public function create(max:uint):void {
for (var n:uint = 0; n < max; n++) {
var px:Number = Math.random()*rect.width;
var py:Number = rect.height - Math.random()*5;
var energy:Number = Math.random() + 0.5;
var dot:ParticleDot = new ParticleDot(px, py, energy);
color.h = Math.random()*360;
dot.rgb = color.value;
dots.push(dot);
}
}
public function emit():void {
for (var n:uint = 0; n < dots.length; n++) {
var dot:ParticleDot = dots[n];
dot.energy -= deceleration;
canvas.setPixel(dot.x, dot.y, dot.rgb);
if (dot.energy < 0) {
dots.splice(n, 1);
dot = null;
}
}
}
}
//////////////////////////////////////////////////
// ParticleDotクラス
//////////////////////////////////////////////////
class ParticleDot {
public var x:Number = 0;
public var y:Number = 0;
public var vx:Number = 0;
public var vy:Number = 0;
public var px:Number = 0;
public var py:Number = 0;
public var energy:Number = 1;
public var angle:Number = 0;
public var velocity:Number = 1;
public var rgb:uint = 0xFFFFFF;
public function ParticleDot(_x:Number, _y:Number, e:Number = 1, a:Number = 0):void {
x = _x;
y = _y;
energy = e;
angle = a;
}
}
//////////////////////////////////////////////////
// Bresenhamクラス
//////////////////////////////////////////////////
import flash.display.BitmapData;
class Bresenham {
private var canvas:BitmapData;
public function Bresenham(c:BitmapData) {
canvas = c;
}
public function draw(x0:int, y0:int, x1:int, y1:int, color:uint, alpha:Number):void {
var steep:Boolean = Math.abs(y1 - y0) > Math.abs(x1 - x0);
var t:int;
if (steep) {
t = x0;
x0 = y0;
y0 = t;
t = x1;
x1 = y1;
y1 = t;
}
if (x0 > x1) {
t = x0;
x0 = x1;
x1 = t;
t = y0;
y0 = y1;
y1 = t;
}
var dx:int = x1 - x0;
var dy:int = Math.abs(y1 - y0);
var e:int = dx*0.5;
var ys:int = (y0 < y1) ? 1 : -1;
var y:int = y0;
for (var x:int = x0; x <= x1; x++) {
if (steep) {
plot(y, x, color, alpha);
} else {
plot(x, y, color, alpha);
}
e = e - dy;
if (e < 0) {
y = y + ys;
e = e + dx;
}
}
}
private function plot(x:int, y:int, c:uint, a:Number):void {
canvas.setPixel32(x, y, c | ((a*0xFF) << 24));
}
}
//////////////////////////////////////////////////
// SoundEffectクラス
//////////////////////////////////////////////////
import flash.events.EventDispatcher;
import flash.events.Event;
import flash.events.ProgressEvent;
import flash.media.Sound;
import flash.media.SoundChannel;
import flash.media.SoundTransform;
import flash.net.URLRequest;
class SoundEffect extends EventDispatcher {
public var id:String;
private var sound:Sound;
private var channel:SoundChannel;
private var level:Number;
private var volume:Number = 1;
private var looping:Boolean = false;
public var initialized:Boolean = false;
public var playing:Boolean = false;
private var muted:Boolean = false;
private var mute:Number = 1;
public function SoundEffect() {
}
public function init(Snd:Class):void {
sound = new Snd();
}
public function load(filePath:String):void {
sound = new Sound();
sound.load(new URLRequest(filePath));
sound.addEventListener(ProgressEvent.PROGRESS, progress, false, 0, true);
sound.addEventListener(Event.COMPLETE, initialize, false, 0, true);
}
private function progress(evt:ProgressEvent):void {
dispatchEvent(evt);
}
private function initialize(evt:Event):void {
initialized = true;
channel = sound.play();
channel.stop();
dispatchEvent(evt);
}
public function play(lv:Number, loop:Boolean = false):void {
playing = true;
if (channel) channel.stop();
level = lv;
looping = loop;
channel = sound.play();
var transform:SoundTransform = channel.soundTransform;
transform.volume = level*volume*mute;
channel.soundTransform = transform;
channel.addEventListener(Event.SOUND_COMPLETE, complete, false, 0, true);
}
public function stop():void {
playing = false;
channel.stop();
channel.removeEventListener(Event.SOUND_COMPLETE, complete);
}
public function setVolume(v:Number):void {
volume = v;
var transform:SoundTransform = channel.soundTransform;
transform.volume = level*volume*mute;
channel.soundTransform = transform;
}
public function setMute(m:Boolean):void {
muted = m;
if (muted) {
mute = 0;
} else {
mute = 1;
}
var transform:SoundTransform = channel.soundTransform;
transform.volume = level*volume*mute;
channel.soundTransform = transform;
}
private function complete(evt:Event):void {
channel.removeEventListener(Event.SOUND_COMPLETE, complete);
dispatchEvent(new Event(Event.COMPLETE));
if (looping) {
channel = sound.play(0);
channel.addEventListener(Event.SOUND_COMPLETE, complete, false, 0, true);
var transform:SoundTransform = channel.soundTransform;
transform.volume = level*volume*mute;
channel.soundTransform = transform;
} else {
playing = false;
}
}
}