[iNils]

В de.popforge.wm2006.effect.Flag заменить следующие методы (белым отмечены параметры отвечающие за направление)

public function enterFrame(): Void {
	//-- clear output
	output.fillRect( bounds, 0 );
	
	//-- apply wind
	perlinNoiseOffset[0].x += .04 * source.width;
	perlinNoiseOffset[1].x -= .03 * source.height;

	//-- update perlinNoise
	perlinNoiseBitmapData.perlinNoise( .66 * source.width, .66 * source.height, 2, perlinNoiseSeed, false, true, 6, false, perlinNoiseOffset );
	
	//-- reduce perlinNoise on the left side
	perlinNoiseBitmapData.copyPixels( perlinNoiseFallOff, bounds, ORIGIN, perlinNoiseFallOff, ORIGIN, true );
	
	//-- apply displacement
	output.applyFilter( flag, bounds, ORIGIN, displacement );
	
	//-- copy displacement onto lights-bitmapData with alpha from current output
	light.copyPixels( perlinNoiseBitmapData, bounds, ORIGIN, output, ORIGIN );
	
	//-- turn perlinNoise into gray
	light.applyFilter( light, bounds, ORIGIN, gray );

	//-- draw onto output by blendMode MULTIPLY
	output.draw( light, IDENTITY, lightContrast, 'multiply' );
}

private function createPerlinNoiseFallOffGradient(): Void {
	perlinNoiseFallOff = new BitmapData( width, height, true, 0 );
	
	//-- need a container for drawing
	var shape: MovieClip = _root.createEmptyMovieClip( 'shapeCreator', _root.getNextHighestDepth() );
	
	//-- move shape outside stage to draw transparent
	shape._y = -16000;
	
	//-- create matrix
	var gradientBox: Matrix = new Matrix();
	
	gradientBox.createGradientBox( width - flagOffset.x, height, 0, flagOffset.x, 0 );
	
	//-- draw gradient
	shape.beginGradientFill( 'linear', [ 0x008080, 0x008080 ], [ 0, 100 ], [ 0x60, 0xF0], gradientBox );
	shape.moveTo( 0, 0 );
	shape.lineTo( width, 0 );
	shape.lineTo( width, height );
	shape.lineTo( 0, height );
	shape.lineTo( 0, 0 );
	shape.endFill();
	
	//-- draw to bitmapData
	perlinNoiseFallOff.draw( shape );
	
	//-- remove shape
	shape.removeMovieClip();
}