Adobe flash cs4 tutorial Ghost Effect

In this video tutorial you will learn how to create the popular ghosting effect in many video games and websites.


var ghostmode:Boolean = false;

var cmf:ColorMatrixFilter = new ColorMatrixFilter([1,0,0,0,0,
               0,1,0,0,0,
               0,0,1,0,0,
               0,0,0,1,0]);

var bmd:BitmapData = new BitmapData(550,400,true,0x00ffffff);

var bm:Bitmap = new Bitmap(bmd);


var con:MovieClip = new MovieClip();

var ship:MovieClip = new sp();

addChild(bm);

addChild(con);

con.addChild(ship);

function moveship(e:Event){
 var temp:MovieClip = MovieClip(con.getChildAt(0));
 temp.x = mouseX;
 temp.y = mouseY;
 }
 
 function ghost(e:Event){
if(ghostmode){
 ghostmode=false;
 }else{
  ghostmode=true;
  }
 }
 
 function loop(e:Event){
  if(ghostmode){
   bmd.draw(con);
   cmf.matrix =[0,0,0,0,255,
       0,0,0,0,255,
       0,0,0,0,0,
       0,0,0,.8,0];
   }
   
   bmd.applyFilter(bmd,bmd.rect,new Point(0,0),cmf);
  
 }


addEventListener(MouseEvent.MOUSE_MOVE,moveship);
addEventListener(Event.ENTER_FRAME,loop);
addEventListener(MouseEvent.CLICK,ghost);

5 comments:

Arfzes said...: Casper the Satanic ghost -- that made me laugh, indeed. So I clicked like seven ads, because I can appreciate a good laugh, and a good tutorial too.; March 11, 2010 at 7:10 PM
Nico said...: Could you make the ghost effect an external class so that way we could reuse the ghost mode for any game we want to make?; October 2, 2010 at 4:29 PM
Unknown said...: how can you make the ghost effect last any longer?

(ps: good tutorial); October 16, 2010 at 1:31 PM
Unknown said...: and an another question:
how can you make the ship follow your cursor everywhere?
because if i go to fast with my mouse it goes of and the ship doesn't follow anomore.; October 17, 2010 at 12:50 PM
Unknown said...: Many thanks for this tutorial, but hoe=w can i download the fla file< i can;t find it?
can you please help me??; April 26, 2011 at 3:12 PM