import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.display.BitmapDataChannel;
import flash.display.BlendMode;
import flash.display.GradientType;
import flash.display.Shape;
import flash.display.Sprite;
import flash.display.StageQuality;
import flash.events.Event;
import flash.filters.DisplacementMapFilter;
import flash.filters.DisplacementMapFilterMode;
import flash.geom.Matrix;
import flash.geom.Rectangle;
public class CloudEffect1 extends Sprite
public static const STAGE_W:uint = 465;
public static const STAGE_H:uint = 465;
public static const _H_RATE:Number = 2;