/**
 * VCam AS2 v1.0
 *
 * VCam based on original code by Sham Bhangal and Dave Dixon
 *
 * Dynamic Registration AS2 work by Darron Schall (www.darronschall.com)
 * and AS1 work by Robert Penner (www.robertpenner.com)
 *
 * Special Thanks to Josh Steele and Jeff Brenner
 *
 * @author Bryan Heisey
 * @version 1.0
 * @created 1-April-2008
 *
  * Requirements: Flash 8+ & Actionscript 2
 */

import flash.display.BitmapData;

_visible = false;

addProperty("_x2",get_x2,set_x2);
addProperty("_y2",get_y2,set_y2);
addProperty("_xscale2",get_xscale2,set_xscale2);
addProperty("_yscale2",get_yscale2,set_yscale2);
addProperty("_rotation2",get_rotation2,set_rotation2);

////////////////////////////////////////////////////////////////////////////
// Get stage width and height //////////////////////////////////////////////

var oldScaleMode:String = stage.scaleMode;
stage.scaleMode = "exactFit";

var sW:Number = Stage.width;
var sH:Number = Stage.height;

stage.scaleMode = oldScaleMode;

////////////////////////////////////////////////////////////////////////////
// Get Vcam width and height ///////////////////////////////////////////////

var bounds_obj:Object = this.getBounds(this);

var camH:Number = Math.abs(bounds_obj.yMax-bounds_obj.yMin);
var camW:Number = Math.abs(bounds_obj.xMax-bounds_obj.xMin);

////////////////////////////////////////////////////////////////////////////
// Creat Point for dynamic registration point //////////////////////////////

var rp = {x:this._x, y:this._y};

onEnterFrame = function ():Void {
    camControl();
};

////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////////////////////

function camControl():Void {

    ////////////////////////////////////////////////////////////////////////////
    // Move the registration point to the vCams current position ///////////////

    rp.x = _x;
    rp.y = _y;

    ////////////////////////////////////////////////////////////////////////////
    // Gets the current scale of the vCam //////////////////////////////////////

    var h:Number = camH*(_yscale*.01);
    var w:Number = camW*(_xscale*.01);

    ////////////////////////////////////////////////////////////////////////////
    // Gets the stage to vCam scale ratio //////////////////////////////////////

    var _scaleY:Number = sH/h;
    var _scaleX:Number = sW/w;

    ////////////////////////////////////////////////////////////////////////////
    // Positions the parent ////////////////////////////////////////////////////

    _x2 = (w/2)*_scaleX;
    _y2 = (h/2)*_scaleY;

    _xscale2 = _scaleX*100;
    _yscale2 = _scaleY*100;

    _rotation2 = -_rotation;

    ////////////////////////////////////////////////////////////////////////////
    // Apply vCam filters to bitmap ////////////////////////////////////////////

    _parent.filters = this.filters;
    _parent.transform.colorTransform = this.transform.colorTransform;

}

this.onUnload = reset;

function reset():Void {

    ////////////////////////////////////////////////////////////////////////////
    // Resets parent properties ////////////////////////////////////////////////

    _parent._xscale = 100;
    _parent._yscale = 100;
    _parent._x = 0;
    _parent._y = 0;
    _parent._rotation = 0;
    _parent._visible = true;

}

function set_x2(value:Number):Void {
    var a = {x:rp.x, y:rp.y};
    _parent.localToGlobal(a);
    _parent._x += value-a.x;
}
function get_x2():Number {
    var a = {x:rp.x, y:rp.y};
    _parent.localToGlobal(a);
    return a.x;
}

function set_y2(value:Number):Void {
    var a = {x:rp.x, y:rp.y};
    _parent.localToGlobal(a);
    _parent._y += value-a.y;
}
function get_y2():Number {
    var a = {x:rp.x, y:rp.y};
    _parent.localToGlobal(a);
    return a.y;
}

function get_xscale2():Number {
    return _parent._xscale;
}
function set_xscale2(value:Number):Void {
    setProperty2("_xscale",value);
}

function get_yscale2():Number {
    return _parent._yscale;
}

function set_yscale2(value:Number):Void {
    setProperty2("_yscale",value);
}

function get_rotation2():Number {
    return parent.rotation;
}
function set_rotation2(value:Number):Void {
    setProperty2("_rotation",value);
}

function setProperty2(prop:String, n:Number):Void {
    var a = {x:rp.x, y:rp.y};
    _parent.localToGlobal(a);

    _parent[prop] = n;

    var b = {x:rp.x, y:rp.y};
    _parent.localToGlobal(b);

    _parent._x -= b.x-a.x;
    _parent._y -= b.y-a.y;
}