Comments on: Flash/Air Laser Graffiti

By: LASERS! and other things « Media Project

LASERS! and other things « Media Project — Wed, 03 Feb 2010 16:55:28 +0000

[...] LASERS! and other things Flash and Lasers! [...]

By: Ulfilas

Ulfilas — Tue, 03 Nov 2009 11:25:21 +0000

I’m interested in digital graffiti and recently came across a few interesting ideas. Using a wiimote and an infrared source you can make an interactive whiteboard, or graffiti wall – look at the youtube videos of jonny lee chung http://www.youtube.com/watch?v=5s5EvhHy7eQ this is cool and I’ve seen some things like yrwall.com and friispray.co.uk that use flash based tools to draw on screen with it. I am looking to find someone that might be interested in making a flash app that works with this system – there is a library of actionscript 3 graffit things here http://www.nocircleno.com/graffiti/ – maybe this could be adapted – let me know !!

By: Mike

Mike — Tue, 28 Apr 2009 04:27:12 +0000

Hello again!
I have been working to figure this out and every time i try to tet my file i get an error : 2005

package{
import flash.display.Sprite;
import flash.media.Camera;
import flash.media.Video;
import flash.display.Bitmap;
import flash.display.BitmapData;
import flash.geom.Rectangle;
import flash.geom.Point;
import flash.filters.ColorMatrixFilter;

public class test extends Sprite {
private var cam:Camera;
private var video:Video;

public function test() {

var bmd:BitmapData = new BitmapData(640, 480);
bmd.draw(video)

var matrix:Array = new Array();
matrix = matrix.concat([1.5,0 , 0, 0, 0]);
matrix = matrix.concat([0,0, 0, 0, 0]);
matrix = matrix.concat([0, 0, 0, 0, 0]);
matrix = matrix.concat([0, 0, 0, 0, 0]);

var redFilter = new ColorMatrixFilter(matrix);
bmd.applyFilter(bmd,bmd.rect,new Point(0,0),redFilter)
var maskColor:uint = 0xFF0000;
var color:uint = 0xFF0000;
var redBounds:Rectangle = bmd.getColorBoundsRect(maskColor, color, true);

trace (redBounds.x)
trace (redBounds.y)

}
}
}

please helpppp!
thank you!

-Mike

By: Mike

Mike — Wed, 22 Apr 2009 00:30:09 +0000

Hello!
I am tring to do this same thing for a current school project, only difference is im trying to figure it out in AS3… I cant seem to find anything out there on it. any help?
Thank you!
-Mike

By: webreake

webreake — Fri, 20 Mar 2009 06:17:05 +0000

i was thinking how to do it until i remember that blur is a way to average color zones so now i just have to loop for 4 different colors to detect red under different light sources.
thanks Kris.

By: Kris

Kris — Thu, 19 Mar 2009 11:37:30 +0000

Hallo webreake,
You can try it. But I think it only works in a controlled environment (code for the exact sircumstance in which you want to do it)

By: webreake

webreake — Wed, 18 Mar 2009 23:44:32 +0000

I dont think its neccesary to release source code or .fla since you are already showing the important part of the code
i did the same but using threshold to isolate the red color, but im still trying to get a gama of colors (darker red, brigther red, etc..)

You think using your color matrix would be posible ?

By: Rogério Miranda

Rogério Miranda — Sat, 13 Dec 2008 15:46:39 +0000

Please post de .fla arquive for studenty.