import flash.display.BitmapData;
import flash.geom.*;
cellWidth = 20;
cellHeight = 20;
canvas_mc = this.createEmptyMovieClip('canvas_mc', 60);
canvas_mc.lineStyle(1, 0x999999, 50, true, 'none', 'none');
canvas_mc.moveTo(cellWidth-1, -1);
canvas_mc.lineTo(cellWidth-1, cellHeight+1);
canvas_mc.moveTo(-1, cellHeight-1);
canvas_mc.lineTo(cellWidth-1, cellHeight-1);
bmp = new BitmapData(cellWidth, cellHeight, true, 0);
bmp.draw(canvas_mc);
onResize = function () {
	canvas_mc.clear();
	canvas_mc.beginBitmapFill(bmp, new Matrix(), true, false);
	canvas_mc.moveTo(0, 0);
	canvas_mc.lineTo(Stage.width, 0);
	canvas_mc.lineTo(Stage.width, Stage.height);
	canvas_mc.lineTo(0, Stage.height);
};
/////////////
gradient_bmp = new BitmapData(800, 800, true, 0x00000000);
gradient_mc = this.createEmptyMovieClip("gradient_mc", 2);
with (gradient_mc) {
	colors = [0, 0xFFFFFF];
	fillType = "radial";
	alphas = [0, 100];
	ratios = [150, 255];
	spreadMethod = "pad";
	interpolationMethod = "linearRGB";
	focalPointRatio = 0;
	matrix = new Matrix();
	matrix.createGradientBox(300, 300, 0, 250, 250);
	beginGradientFill(fillType, colors, alphas, ratios, matrix, spreadMethod, interpolationMethod, focalPointRatio);
	moveTo(0, 0);
	lineTo(800, 0);
	lineTo(800, 800);
	lineTo(0, 800);
	lineTo(0, 0);
	endFill();
}
gradient_bmp.draw(this.gradient_mc);
gradient_mc.removeMovieClip();
fog_bmp = new BitmapData(2000, 2000, false, 0xCCFFFFFF);
onMouseMove = function () {
	fog_bmp.copyPixels(gradient_bmp, new Rectangle(0, 0, 800, 800), new Point(_xmouse-400, _ymouse-400));
};
this.attachBitmap(fog_bmp, 1);
Stage.align = 'LT';
Stage.scaleMode = 'noScale';
Stage.addListener(this);
onResize();