[[ACTIONS LAYER]]

//get the default camera
//change your Default camera using the Flash Player Settings.
cam=Camera.get()
//this event is called whenever permission to access the local camera, is accepted or denied by the user
cam.onStatus=function(e)
{
	//if we are given permission
	if(e.code == "Camera.Unmuted")
	{
		//start the application
		initialize()
	}
	else
	{
		System.showSettings(3)
	}
}
//if there are no Cameras
if(cam == null)
{
	System.showSettings(3)
}
else
{
	output.attachVideo(cam)
}


****************************************************************


[[FUNCTIONS LAYER]]

import flash.display.BitmapData
import flash.geom.*

function initialize()
{
	//create an array that will be the fading image cue
	list=new Array()
	//create an identity matrix
	m=new Matrix()
	//scale the transformation matrix to match the scale of the Video object on stage
	m.scale((output._xscale/100),(output._yscale/100))
	//create a bitmap object in memory that is the same size as the Video object on stage
	now=new BitmapData(output._width,output._height)
	//create a bitmap object in memory to hold a layered bitmap from the fading image cue
	out=new BitmapData(output._width,output._height)
	//create a movieclip that can display the final bitmap
	this.createEmptyMovieClip("output_mc",this.getNextHighestDepth())
	//attach the bitmap inside the holder movie clip
	output_mc.attachBitmap(out,1)
	//position it to the right of the live Webcam feed
	output_mc._x=output._width
	output_mc._y=output._y
	//call the snap function every 1/10th of a second
	setInterval(this,"snap",100)
	
}

//capture a freezeframe from the webcam and copy it, called regularly do detect movement
function snap()
{
	//draw the movieclip into the bitmapdata object object with the scaled transformation matrix
	now.draw(output,m)
	//copy the current freezeframe
	done=now.clone()
	//now draw the previous freezeframe ("BEFORE"!) on top of the current frameframe and apply the 'difference' blendmode
	done.draw(before,m,null,"difference")
	//over-write the previous contents of the bitmap
	done.threshold(done,done.rectangle,done.rectangle.topLeft,">",0xFF111111,0xFF00FF00,0x00FFFFFF,false)
	//clear the out bitmap object so we can start a fresh
	out.fillRect(out.rectangle,0xFF000000)
	//copy the current bitmap and save it for the next time this function is called
	before=now.clone()
	//loop through each bitmap in the fading image cue
	w=done.width;
	h=done.height;
	out.draw(done, m, difference, null, out.rectangle)


}