Pixel Bender (線状にサインカーブで伸縮するフィルタ)
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線状にサインカーブで伸縮するフィルタ
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/**
* Copyright Hakuhin ( http://wonderfl.net/user/Hakuhin )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/yaPg
*/
// -------------------------------------------------
//
// 線状にサインカーブで伸縮するフィルタ
//
//
// -------------------------------------------------
package {
import flash.events.*;
import flash.display.*;
import flash.net.*;
import flash.text.*;
import flash.utils.*;
import flash.system.*;
import flash.geom.*;
import flash.filters.*;
import flash.ui.*;
public class Main extends Sprite {
public function Main() {
// -------------------------------------------------
// コンストラクタ
// -------------------------------------------------
// フレームレート
stage.frameRate = 60;
// 100%表示
stage.scaleMode = StageScaleMode.NO_SCALE;
// 左上
stage.align = StageAlign.TOP_LEFT;
stage.align = "TL";
// スプライトを配置
var board : Sprite = new Sprite();
addChild(board);
// リソース読み込み開始
load();
// -------------------------------------------------
// 読み込み
// -------------------------------------------------
function load():void{
// 画像のURL
var graphic_url:String = "http://actionscript.web.officelive.com/wonderfl/bg000.jpg";
// ローダー
var loader_obj : Loader = new Loader();
// 読み込み開始
var url : URLRequest = new URLRequest(graphic_url);
loader_obj.load(url);
// 読み込み終了
var info : LoaderInfo = loader_obj.contentLoaderInfo;
info.addEventListener (Event.INIT,LoaderInfoInitFunc);
function LoaderInfoInitFunc (event : Event):void {
// 読み込んだ画像を表示
board.addChild(loader_obj);
// 初期化へ
init();
}
}
// -------------------------------------------------
// 初期化
// -------------------------------------------------
function init():void{
// ステージサイズ
var w:uint;
var h:uint;
// リサイズ時にフィット
stage.addEventListener(Event.RESIZE,ResizeFunc);
function ResizeFunc(e:Event):void{
w = stage.stageWidth;
h = stage.stageHeight;
board.width = w;
board.height = h;
}
ResizeFunc(null);
// シェーダバイトコード
var binary : ByteArray = CustomFilterGetByteArray();
// シェーダ作成
var shader:Shader = new Shader();
shader.byteCode = binary;
var filter:ShaderFilter = new ShaderFilter(shader);
// パラメータアクセス用
var data : ShaderData = shader.data;
var param : ShaderParameter;
// パラメータ
var phase:Number = 0; // 位相
var amplitude:Number = 30; // 振幅
var cycle:Number = 300; // 周期
addEventListener(Event.ENTER_FRAME,function(e:Event):void{
// 位相を変化
phase += 0.01;
if(phase > 1) phase -= 1;
// 角度
var rot : Number = Math.atan2(h/2 - mouseY,w/2 - mouseX) * 180 / Math.PI;
param = data.rotate;
param.value = [rot];
// 位相
param = data.phase;
param.value = [phase];
// 振幅
param = data.amplitude;
param.value = [amplitude];
// 周期
param = data.cycle;
param.value = [cycle];
// 適応
board.filters = [filter];
});
// テキスト表示
var tf : TextField = new TextField();
tf.x = 5;
tf.y = 5;
tf.width = 200;
tf.height = 40;
tf.border = true;
tf.background = true;
addChild(tf);
addEventListener(Event.ENTER_FRAME,function(e:Event):void{
var str:String = "";
str += "振幅:" + amplitude + " (上下キーで変更)\n";
str += "周期:" + cycle + " (左右キーで変更)\n";
tf.text = str;
});
// キー操作
stage.addEventListener(KeyboardEvent.KEY_DOWN, KeyDown);
function KeyDown(event:KeyboardEvent):void{
if(event.keyCode == Keyboard.UP) amplitude -= 1;
if(event.keyCode == Keyboard.DOWN) amplitude += 1;
if(event.keyCode == Keyboard.LEFT) cycle -= 10;
if(event.keyCode == Keyboard.RIGHT) cycle += 10;
if(amplitude < 0) amplitude = 0;
if(cycle < 0) cycle = 0;
};
}
// -------------------------------------------------
// シェーダバイトコード
// -------------------------------------------------
function CustomFilterGetByteArray():ByteArray{
var a:ByteArray = new ByteArray();
var f:Function;
f = a.writeUnsignedInt;
f(0xa5010000); f(0x00a41300); f(0x5363616c); f(0x65576176);
f(0x654c696e); f(0x6546696c); f(0x746572a0); f(0x0c6e616d);
f(0x65737061); f(0x63650073); f(0x63616c65); f(0x20776176);
f(0x65206c69); f(0x6e6500a0); f(0x0c76656e); f(0x646f7200);
f(0x48616b75); f(0x68696e00); f(0xa0087665); f(0x7273696f);
f(0x6e000100); f(0xa00c6465); f(0x73637269); f(0x7074696f);
f(0x6e0090fc); f(0x8ff382c9); f(0x83548343); f(0x8393834a);
f(0x815b8375); f(0x82c5904c); f(0x8f6b82b7); f(0x82e98374);
f(0x8342838b); f(0x835e00a1); f(0x01020000); f(0x0c5f4f75);
f(0x74436f6f); f(0x726400a3); f(0x00047372); f(0x6300a102);
f(0x0401000f); f(0x64737400); f(0xa1010100); f(0x00026379);
f(0x636c6500); f(0xa2016d69); f(0x6e56616c); f(0x7565003f);
f(0x800000a2); f(0x01646566); f(0x61756c74); f(0x56616c75);
f(0x650042c8); f(0x0000a20c); f(0x64657363); f(0x72697074);
f(0x696f6e00); f(0x946782aa); f(0x88ea8efc); f(0x82b782e9);
f(0x92b782b3); f(0x00a10101); f(0x00000170); f(0x68617365);
f(0x00a2016d); f(0x696e5661); f(0x6c756500); f(0x00000000);
f(0xa2016d61); f(0x7856616c); f(0x7565003f); f(0x800000a2);
f(0x01646566); f(0x61756c74); f(0x56616c75); f(0x65000000);
f(0x0000a20c); f(0x64657363); f(0x72697074); f(0x696f6e00);
f(0x946782cc); f(0x88ca918a); f(0x00a10101); f(0x02000861);
f(0x6d706c69); f(0x74756465); f(0x00a2016d); f(0x696e5661);
f(0x6c756500); f(0x00000000); f(0xa2016465); f(0x6661756c);
f(0x7456616c); f(0x75650041); f(0x200000a2); f(0x0c646573);
f(0x63726970); f(0x74696f6e); f(0x00946782); f(0xcc976882);
f(0xea959d00); f(0xa1010102); f(0x0004726f); f(0x74617465);
f(0x00a2016d); f(0x696e5661); f(0x6c756500); f(0x00000000);
f(0xa2016d61); f(0x7856616c); f(0x75650043); f(0xb40000a2);
f(0x01646566); f(0x61756c74); f(0x56616c75); f(0x65000000);
f(0x0000a20c); f(0x64657363); f(0x72697074); f(0x696f6e00);
f(0x946782cc); f(0x8a709378); f(0x001d0200); f(0x31000010);
f(0x00320300); f(0x803c8efa); f(0x35030300); f(0x80020040);
f(0x001d0300); f(0x40030000); f(0x000d0300); f(0x80030040);
f(0x001d0300); f(0x20030000); f(0x000c0300); f(0x80030040);
f(0x001d0300); f(0x10030000); f(0x001d0400); f(0xc10300b0);
f(0x001d0300); f(0x80040000); f(0x00030300); f(0x80020080);
f(0x001d0300); f(0x20040040); f(0x00030300); f(0x200200c0);
f(0x001d0300); f(0x10030000); f(0x00010300); f(0x10030080);
f(0x00320300); f(0x80000000); f(0x00020300); f(0x800300c0);
f(0x001d0300); f(0x20030000); f(0x001d0400); f(0x31040010);
f(0x00030400); f(0x310300a0); f(0x001d0400); f(0xc10400b0);
f(0x001d0300); f(0x80040000); f(0x00030300); f(0x80040000);
f(0x001d0300); f(0x10040040); f(0x00030300); f(0x10040040);
f(0x001d0400); f(0x20030000); f(0x00010400); f(0x200300c0);
f(0x00160300); f(0x80040080); f(0x001d0300); f(0x10030000);
f(0x00040300); f(0x80000080); f(0x00030300); f(0x800300c0);
f(0x001d0400); f(0x20030000); f(0x001a0300); f(0x80040080);
f(0x001d0400); f(0x10040080); f(0x00020400); f(0x10030000);
f(0x001d0400); f(0x200400c0); f(0x001d0300); f(0x80040080);
f(0x00010300); f(0x800000c0); f(0x00320400); f(0x1043b400);
f(0x001d0500); f(0x80030000); f(0x00030500); f(0x800400c0);
f(0x00320300); f(0x803c8efa); f(0x35030300); f(0x80050000);
f(0x000c0400); f(0x10030000); f(0x001d0300); f(0x800400c0);
f(0x00030300); f(0x80020000); f(0x001d0300); f(0x10030000);
f(0x000d0300); f(0x80030040); f(0x001d0400); f(0x10030000);
f(0x00030400); f(0x100300c0); f(0x00010200); f(0x200400c0);
f(0x000c0300); f(0x80030040); f(0x001d0400); f(0x10030000);
f(0x00030400); f(0x100300c0); f(0x00010200); f(0x100400c0);
f(0x00310500); f(0xf10200b0); f(0x001d0100); f(0xf305001b);
f = a.writeByte;
f(0x00);
return a;
}
}
}
}
// ↓ pbk ファイルのコード
/* -----------------------------------------------------------------------------
パラメータ
cycle 波が一周する長さ
phase 波の位相 ( 0 ～ 1 までゆっくり変化させる)
amplitude 波の揺れ幅
rotate 波の角度(0～360)
----------------------------------------------------------------------------- */
/*
<languageVersion : 1.0;>
kernel ScaleWaveLineFilter<
namespace : "scale wave line";
vendor : "Hakuhin";
version : 1;
description : "線状にサインカーブで伸縮するフィルタ";
>{
input image4 src; // 入力イメージ
output pixel4 dst; // 出力ピクセル
// -------------------------------------
// パラメータ
// -------------------------------------
parameter float cycle<
minValue:float(1.0);
defaultValue:float(100.0);
description : "波が一周する長さ";
>;
parameter float phase<
minValue:float(0.0);
maxValue:float(1.0);
defaultValue:float(0);
description : "波の位相";
>;
parameter float amplitude<
minValue:float(0.0);
defaultValue:float(10.0);
description : "波の揺れ幅";
>;
parameter float rotate<
minValue:float(0.0);
maxValue:float(360.0);
defaultValue:float(0);
description : "波の角度";
>;
// -------------------------------------
// ピクセルごとに実行される関数
// -------------------------------------
void evaluatePixel(){
// ピクセルの位置を取得
float2 pos = outCoord();
// 角度をラジアンに変更
float rad = radians(rotate);
// ラジアンをベクトルに変換
float2 v = float2(cos(rad),sin(rad));
// 角度に垂直で原点を通る線と現在の位置との距離を取得
float t = -(v.x * pos.x + v.y * pos.y);
v = v * t;
float distance = sqrt((v.x * v.x) + (v.y * v.y));
// 周期に丸める
float d = distance / cycle;
d = d - floor(d);
// オフセットを取得して座標に加算
distance = sin(radians((d + phase) * 360.0)) * amplitude;
pos.x += cos(rad) * distance;
pos.y += sin(rad) * distance;
// ソースイメージからピクセルカラーを取得して出力
dst = sampleLinear(src,pos);
}
}
*/
// -------------------------------------------------
// 外部画像をサムネイルとしてキャプチャ
// -------------------------------------------------
import flash.net.*;
import flash.events.*;
import flash.display.*;
import flash.geom.*;
function ThumbnailCapture(url:String,time:uint,stage:Stage):void{
// キャプチャタイミング
Wonderfl.capture_delay( time );
// スプライト作成
var sprite : Sprite = new Sprite();
// ステージ最前面に配置
stage.addChildAt(sprite,stage.numChildren);
// ローダー
var loader_obj : Loader = new Loader();
loader_obj.contentLoaderInfo.addEventListener (Event.INIT,function(e:Event):void{
// メモリからインスタンス化
var loader_memory : Loader = new Loader();
loader_memory.contentLoaderInfo.addEventListener (Event.INIT,function(e:Event):void{
// キャプチャ
var bmp : BitmapData = new BitmapData(loader_memory.width,loader_memory.height,true,0);
sprite.addChild(loader_memory);
bmp.draw(sprite);
sprite.removeChild(loader_memory);
loader_memory.unload();
loader_obj.unload();
loader_memory = null;
loader_obj = null;
// 画像を配置
var bmp_obj : Bitmap = new Bitmap(bmp);
bmp_obj .width = stage.stageWidth;
bmp_obj .height = stage.stageHeight;
stage.addChild(bmp_obj );
});
// 読み込み開始
loader_memory.loadBytes(loader_obj.contentLoaderInfo.bytes);
});
// 読み込み開始
loader_obj.load(new URLRequest(url));
}