DisplacementMapFilterのエフェクト2
/**
* Copyright yun ( http://wonderfl.net/user/yun )
* MIT License ( http://www.opensource.org/licenses/mit-license.php )
* Downloaded from: http://wonderfl.net/c/qoro
*/
// forked from yun's DisplacementMapFilterのエフェクト
// forked from yun's BlurFilterのエフェクト
// forked from yun's BlendModeの指定
// forked from yun's ColorTransformの指定
// forked from yun's Matrixの指定
// forked from yun's BitmapDataへの描画
package {
import flash.display.Sprite;
import flash.display.BitmapData;
import flash.display.Bitmap;
import flash.display.BlendMode;
import flash.display.BitmapDataChannel;
import flash.geom.Matrix;
import flash.geom.ColorTransform;
import flash.geom.Point;
import flash.events.Event;
import flash.events.MouseEvent;
import flash.filters.BlurFilter;
import flash.filters.DisplacementMapFilter;
[SWF(width = 465, height = 465, backgroundColor = 0, frameRate = 30)]
public class BitmapDataSample extends Sprite {
private var bmpdata:BitmapData;
private var sprite:Sprite;
private var matrix:Matrix;
private var colortrans:ColorTransform;
private var bmpcolortrans:ColorTransform;
// private var filter:BlurFilter;
private var filter:DisplacementMapFilter;
public function BitmapDataSample() {
// BitmapDataを作成して表示リストに追加
bmpdata = new BitmapData(465, 465, false, 0);
addChild(new Bitmap(bmpdata));
// グラフィックの作成
sprite = newFig(0, 0, 40, 0xFFFFFF);
matrix = new Matrix();
colortrans = new ColorTransform();
//bmpcolortrans = new ColorTransform(0.99, 0.99, 0.99);
//filter = new BlurFilter(2, 2, 1);
// エフェクトの初期化
var mapBitmap:BitmapData = new BitmapData(465, 465, false, 0);
var mapPoint:Point = mapBitmap.rect.topLeft;
var componentX:uint = BitmapDataChannel.RED;
var componentY:uint = BitmapDataChannel.GREEN;
var scaleX:Number = 8;
var scaleY:Number = 8;
mapBitmap.perlinNoise(240, 240, 2, 0, false, false)
filter = new DisplacementMapFilter(mapBitmap, mapPoint, componentX, componentY, scaleX, scaleY);
// イベント
addEventListener(Event.ENTER_FRAME, enterframe);
stage.addEventListener(MouseEvent.CLICK, reset);
}
private function enterframe(e:Event):void {
// 変形
matrix.identity();
var s:Number = Math.random() * 2;
var shaffleX:Number = Math.random() * 465;
var shaffleY:Number = Math.random() * 465;
matrix.scale(s, s);
matrix.rotate(Math.PI * Math.random());
matrix.translate(shaffleX, shaffleY); // ランダムで配置
//matrix.translate(mouseX, mouseY); // マウスの位置に配置
// 色変換
colortrans.greenMultiplier = mouseX / 465;
colortrans.blueMultiplier = mouseY / 465;
colortrans.alphaMultiplier = Math.random();
//bmpdata.colorTransform(bmpdata.rect, bmpcolortrans);
bmpdata.applyFilter(bmpdata, bmpdata.rect, bmpdata.rect.topLeft, filter);
// BitmapDataへ描画
bmpdata.draw(sprite, matrix, colortrans, BlendMode.ADD);
}
private function reset(e:MouseEvent):void {
bmpdata.fillRect(bmpdata.rect, 0xFF000000);
}
private function newFig(cx:Number, cy:Number, size:Number, col:uint):Sprite {
// 中心(cx,cy), 幅高さsize, 色col のグラフィックを生成
var shape:Sprite = new Sprite();
shape.graphics.lineStyle(0, 0x000000, 0.3);
shape.graphics.beginFill(col);
shape.graphics.drawCircle(cx, cy, size * 0.5);
shape.graphics.drawCircle(cx, cy, size * 0.4);
var w:Number = size * 0.6;
var h:Number = size * 0.15;
shape.graphics.drawRect(cx - w/2, cy - h/2, w, h);
shape.graphics.endFill();
return shape;
}
}
}