WaterEffect (5)
////////////////////////////////////////////////////////////////////////////////
// WaterEffect (5)
//
// 置き換えマップ効果 (3)
// http://www.project-nya.jp/modules/weblog/details.php?blog_id=480
// BitmapDataでノイズ生成 (3)
// http://www.project-nya.jp/modules/weblog/details.php?blog_id=481
// [AS3.0] PerlinNoiseクラスに挑戦！
// http://www.project-nya.jp/modules/weblog/details.php?blog_id=1114
//
// 動作を軽くするための方法 (東京てらこ7 @trick7)
// Bitmap.filters を使わず、BitmapData.applyFilter() を用いる
////////////////////////////////////////////////////////////////////////////////
/**
* Copyright ProjectNya ( http://wonderfl.net/user/ProjectNya )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/ircW
*/
////////////////////////////////////////////////////////////////////////////////
// WaterEffect (5)
//
// 置き換えマップ効果 (3)
// http://www.project-nya.jp/modules/weblog/details.php?blog_id=480
// BitmapDataでノイズ生成 (3)
// http://www.project-nya.jp/modules/weblog/details.php?blog_id=481
// [AS3.0] PerlinNoiseクラスに挑戦！
// http://www.project-nya.jp/modules/weblog/details.php?blog_id=1114
//
// 動作を軽くするための方法 (東京てらこ7 @trick7)
// Bitmap.filters を使わず、BitmapData.applyFilter() を用いる
////////////////////////////////////////////////////////////////////////////////
package {
import flash.display.Sprite;
import flash.display.StageScaleMode;
import flash.display.StageAlign;
import flash.events.Event;
import flash.geom.Rectangle;
import flash.geom.Matrix;
import flash.utils.Timer;
import flash.events.TimerEvent;
import flash.text.TextField;
import flash.text.TextFieldType;
import flash.text.TextFieldAutoSize;
import flash.text.AntiAliasType;
import flash.text.TextFormat;
import flash.text.TextFormatAlign;
[SWF(backgroundColor="#000000", width="465", height="465", frameRate="30")]
public class Main extends Sprite {
private var water:WaterEffect;
private var txt:TextField;
private var faded:Boolean = true;
private var matrix:Matrix;
private var id:uint = 0;
private var list:Array;
public function Main() {
stage.scaleMode = StageScaleMode.NO_SCALE;
stage.align = StageAlign.TOP_LEFT;
init();
}
private function init():void {
graphics.beginFill(0x000000);
graphics.drawRect(0, 0, 465, 465);
graphics.endFill();
//
var rect:Rectangle = new Rectangle(0, 0, 465, 465);
water = new WaterEffect(rect);
addChild(water);
water.addEventListener(WaterEffect.COMPLETE, complete, false, 0, true);
list = new Array();
list.push("WaterEffect");
list.push("wonderfl");
list.push("build");
list.push("flash");
list.push("online");
txt = new TextField();
txt.width = 465;
txt.height = 100;
txt.autoSize = TextFieldAutoSize.CENTER;
txt.selectable = false;
//txt.embedFonts = true;
//txt.antiAliasType = AntiAliasType.ADVANCED;
var tf:TextFormat = new TextFormat();
tf.font = "_ゴシック";
tf.size = 60;
tf.align = TextFormatAlign.CENTER;
txt.defaultTextFormat = tf;
txt.textColor = 0xFFFFFF;
txt.text = list[id%list.length];
matrix = new Matrix();
matrix.translate(0, 182);
water.setup(txt, matrix, 400);
water.wave();
}
private function complete(evt:Event):void {
faded = !faded;
if (faded) {
exchange();
} else {
var timer:Timer = new Timer(600, 1);
timer.addEventListener(TimerEvent.TIMER_COMPLETE, wait, false, 0, true);
timer.start();
}
}
private function exchange():void {
id ++;
txt.text = list[id%list.length];
water.setup(txt, matrix, 400);
water.wave(0, 1);
}
private function wait(evt:TimerEvent):void {
evt.target.removeEventListener(TimerEvent.TIMER_COMPLETE, wait);
water.wave(1, 0);
}
}
}
//////////////////////////////////////////////////
// WaterEffectクラス
//////////////////////////////////////////////////
import flash.display.Sprite;
import flash.display.DisplayObject;
import flash.events.Event;
import flash.display.BitmapData;
import flash.display.Bitmap;
import flash.geom.Rectangle;
import flash.geom.Point;
import flash.geom.Matrix;
import flash.events.Event;
import flash.filters.DisplacementMapFilter;
import flash.display.BitmapDataChannel;
import flash.filters.DisplacementMapFilterMode;
import flash.filters.BlurFilter;
import org.libspark.betweenas3.BetweenAS3;
import org.libspark.betweenas3.tweens.ITween;
import org.libspark.betweenas3.events.TweenEvent;
import org.libspark.betweenas3.easing.Linear;
import org.libspark.betweenas3.easing.Quad;
class WaterEffect extends Sprite {
private var rect:Rectangle;
private var noise:PerlinNoise;
private static var octaves:uint = 1;
private static var channel:uint = BitmapDataChannel.RED;
private var speeds:Array;
private var target:DisplayObject;
private var container:Bitmap;
private var bitmapData:BitmapData;
private var mapfilter:DisplacementMapFilter;
private var blurfilter:BlurFilter;
private static var baseScale:Number;
private var _scale:Number = 0;
private var _size:Number = 0;
private static var time:Number = 2;
public static const COMPLETE:String = Event.COMPLETE;
public function WaterEffect(r:Rectangle) {
rect = r;
init();
}
private function init():void {
noise = new PerlinNoise(rect, 32, 32, octaves, false, channel);
speeds = new Array();
for (var n:uint = 0; n < octaves; n++) {
var sx:Number = (Math.random() - 0.5)*3;
var sy:Number = (Math.random() - 0.5)*3 + 2.5;
speeds.push(new Point(sx, sy));
}
bitmapData = new BitmapData(rect.width, rect.height, true, 0x00000000);
container = new Bitmap(bitmapData);
addChild(container);
map = 0;
blur = 0;
}
public function setup(t:DisplayObject, matrix:Matrix = null, bs:Number = 0):void {
target = t;
bitmapData.fillRect(rect, 0x00000000);
bitmapData.draw(target, matrix, null, null, null, true);
container.bitmapData = bitmapData.clone();
baseScale = bs;
}
public function wave(from:Number = 0, to:Number = 1):void {
tween(from, to);
}
private function tween(from:Number = 0, to:Number = 1):void {
var itween:ITween = BetweenAS3.parallel(
BetweenAS3.tween(container, {alpha: to}, {alpha: from}, time, Linear.easeNone),
BetweenAS3.tween(this, {map: to}, {map: from}, time, Quad.easeOut),
BetweenAS3.tween(this, {blur: to}, {blur: from}, time, Linear.easeNone)
);
itween.addEventListener(TweenEvent.UPDATE, update, false, 0, true);
itween.addEventListener(TweenEvent.COMPLETE, complete, false, 0, true);
itween.play();
}
private function update(evt:TweenEvent):void {
noise.update(speeds);
container.bitmapData.lock();
container.bitmapData.applyFilter(bitmapData, bitmapData.rect, new Point(), mapfilter);
container.bitmapData.applyFilter(container.bitmapData, bitmapData.rect, new Point(), blurfilter);
container.bitmapData.unlock();
}
private function complete(evt:TweenEvent):void {
dispatchEvent(new Event(COMPLETE));
}
public function get map():Number {
return _scale;
}
public function set map(param:Number):void {
_scale = param;
var scale:Number = baseScale*(1 - _scale);
mapfilter = new DisplacementMapFilter(noise, new Point(), channel, channel, scale, scale, DisplacementMapFilterMode.COLOR);
}
public function get blur():Number {
return _size;
}
public function set blur(param:Number):void {
_size = param;
var size:Number = baseScale*(1 - _size)/10;
blurfilter = new BlurFilter(size, size, 3);
}
}
//////////////////////////////////////////////////
// PerlinNoiseクラス
//////////////////////////////////////////////////
import flash.display.BitmapData;
import flash.geom.Rectangle;
import flash.geom.Point;
import flash.geom.ColorTransform;
class PerlinNoise extends BitmapData {
private var bx:uint;
private var by:uint;
private var octaves:uint;
private var seed:uint;
private var stitch:Boolean = true;
private var fractalNoise:Boolean = true;
private var channel:uint = 0;
private var grayScale:Boolean = true;
private var offsets:Array = new Array();
public function PerlinNoise(rect:Rectangle, x:uint, y:uint, o:uint = 1, g:Boolean = true, c:uint = 0, s:uint = 1, st:Boolean = false, f:Boolean = true) {
super(rect.width, rect.height, false, 0xFF000000);
bx = x;
by = y;
octaves = o;
grayScale = g;
channel = c;
if (grayScale) channel = 0;
for (var n:uint = 0; n < octaves; n++) {
var point:Point = new Point();
offsets.push(point);
}
stitch = st;
fractalNoise = f;
create(s, offsets);
}
private function create(s:uint, o:Array = null):void {
seed = s;
offsets = o;
if (offsets == null) offsets = [new Point()];
lock();
perlinNoise(bx, by, octaves, seed, stitch, fractalNoise, channel, grayScale, offsets);
draw(this);
unlock();
}
public function update(speeds:Array):void {
for (var n:uint = 0; n < octaves; n++) {
var offset:Point = offsets[n];
var speed:Point = speeds[n];
offset.x += speed.x;
offset.y += speed.y;
}
lock();
perlinNoise(bx, by, octaves, seed, stitch, fractalNoise, channel, grayScale, offsets);
draw(this);
unlock();
}
}