Adobe Flash - Virtual Camera - V-Cam ActionScript 3 Code.

// Virtual Camera in Flash ActionScript 3 Code

var cX:Number;
var cY:Number;
var sX:Number;
var sY:Number;

this.visible = false;

var oldMode:String = stage.scaleMode;
stage.scaleMode = StageScaleMode.NO_SCALE;

cX = stage.stageWidth/2;
cY = stage.stageWidth/2;
sX = stage.stageWidth;
sY = stage.stageHeight;

stage.align=StageAlign.TOP_LEFT;

addEventListener(Event.ENTER_FRAME, camControl);
addEventListener(Event.REMOVED, resetStage);

function camControl(event:Event):void {
var xScale:Number = sX / this.width;
var yScale:Number = sY / this.height;
parent.x = cX - (this.x * xScale);
parent.y = cY - (this.y * yScale);
parent.scaleX = xScale;
parent.scaleY = yScale;
}

function resetStage(event:Event):void {
removeEventListener(Event.ENTER_FRAME, camControl);
parent.scaleX= 1; parent.scaleY =1;
parent.x = 0, parent.y = 0;
}