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Webcam In Flash Tutorial2.swf

This is the info page for
Flash #58556

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Text
Webcam in Flash
tutorial 2

Basic Motion Detection

Rohedin

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Start!

Start!

Start!

Audio by RFInfection

Oh, your back. What do you want now? What?! You
want me to show you how to use webcam motion
detection in Flash? All right then... If you insist...
Use the arrows at the bottom to navigate through
the tutorial.

Webcam in flash tutorial 2

Basic motion detection

Ok, to start, set up the webcam video symbol and AS
exactly how I explained in the first WIFT (make sure
the instance names are the same!)
if you've not looked at the first WIFT then

CLICK HERE

Done that? Good. Now create a new text box. Using
the drop-down menu on the left of the properties
select 'Dynamic Text' This means the text can be
controlled by actionscript.

Now before we can use this text box we need to give
it a name that the actionscript will identify it by.
Us flash gurus call them 'Variable names'
Find the part which I've shown in the picture and
make sure it has the name

motiontext

Ok, now all we need to do is add some actionscript!
Open the actions panel for the frame. There should
some script there from when you set up the webcam
by following the first WIFT.
Over the next couple of pages I will provide some
actionscript and an explanation for it.

Add the following actionscript to the frame:
Ok, there are two numbers in the brackets. Us flash
gurus call them parameters  .
The first parameter is 30 - this is how much motion
is required when flash declares motion as true.
Continued on the next page...

c.setMotionLevel(30, 500);

The second parameter is 500. This is the number of
milliseconds there should be between when Flash
stops detecting motion and when Flash will declare
that motion is false.
To the next page!

Ok underneath the previous script add this:

function motion(mode) {
motiontext=(mode);
}

This script creates a new function that when
invoked makes the 'motiontext' display the
current motion status of the webcam.

And the last bit of script to put on the frame:

c.onActivity = function(mode) {
motion(mode);
}

This script tells Flash that when there is
webcam activity to invoke the function that we
made earlier.

Now test your movie (Ctrl+Enter) and everything
should be working. When you are moving the text
box will say 'true' otherwise it will say 'false'
On the next page is an example and a couple of
handy links. If you have a webcam make sure it's
on.

More help

Example .fla

ActionScript [AS1/AS2]

Frame 1
stage.showMenu = false; _root.bytesLoaded = _root.getBytesLoaded(); _root.bytesTotal = _root.getBytesTotal(); _root.percentLoaded = Math.round(100 * (_root.bytesLoaded / _root.bytesTotal)); _root.percentLoadedText = _root.percentLoaded + "%";
Frame 2
if (_root.percentLoaded == 100) { gotoAndStop (3); } else { gotoAndPlay (1); }
Frame 3
stop();
Frame 4
stop();
Frame 14
function motion(mode) { motiontext = mode; } c = Camera.get(); webCam.attachVideo(c); c.onActivity = function (mode) { motion(mode); }; c.setMotionLevel(30, 500);
Symbol 19 Button
on (press) { _root.nextFrame(); }
Symbol 31 Button
on (press) { _root.nextFrame(); }
Symbol 35 Button
on (press) { getURL ("http://www.newgrounds.com/portal/view/326194", "_blank"); }
Symbol 37 Button
on (press) { _root.prevFrame(); }
Symbol 41 Button
on (press) { nextFrame(); }
Symbol 42 Button
on (press) { _root.prevFrame(); }
Symbol 47 Button
on (press) { _root.nextFrame(); }
Symbol 48 Button
on (press) { _root.prevFrame(); }
Symbol 66 Button
on (press) { getURL ("http://livedocs.macromedia.com/flash/mx2004/main_7_2/wwhelp/wwhimpl/common/html/wwhelp.htm?context=Flash_MX_2004&file=00000981.html", "_blank"); }
Symbol 69 Button
on (press) { getURL ("http://denvish.net/ulf/170207/66642_Webcam_Motion_Detection.fla", "_blank"); }

Library Items

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Instance Names

"webCam"Frame 14Symbol 61 Video

Dynamic Text Variables

percentLoadedTextSymbol 11 EditableText""
motiontextSymbol 63 EditableText""




http://swfchan.com/12/58556/info.shtml
Created: 17/4 -2019 03:26:54 Last modified: 17/4 -2019 03:26:54 Server time: 22/12 -2024 14:04:39