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Razzi_A Calculating status...

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Trouble with mouse input to change alpha

Jan 27, 2012 9:59 AM

Tags: #flash #as3 #alpha

I'm running AS3 in Flash CS5 and I'm trying to make a box fade in when the mouse moves to the right.

Here's my code thus far:

stage.addEventListener(MouseEvent.MOUSE_MOVE, changeAlpha);

function changeAlpha(event:MouseEvent) {

fader.DisplayObject.alpha =(root.mouseX/550);

}

It is not responding to moving the mouse. I feel like the source of the codeis outdated. Does anybody know what's wrong?

Other info: there is only 1 frame with 2 layers; one layer is this code and the other is a box that covers the stage with instance name "fader"

I'm also getting this error: TypeError: Error #1010: A term is undefined and has no properties.

321 Views 3 Replies Latest reply: kglad, Jan 27, 2012 2:40 PM

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62,004 posts
Jul 21, 2002

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1. kglad,

Jan 27, 2012 12:31 PM in reply to Razzi_A

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this part of your code:

fader.DisplayObject.

is wrong.

if fader is your object's instance name use:

stage.addEventListener(MouseEvent.MOUSE_MOVE, changeAlpha);
function changeAlpha(event:MouseEvent) {
fader.alpha =(root.mouseX/550);
}

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2. Razzi_A,

Jan 27, 2012 2:26 PM in reply to kglad

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Thanks for the fix, it makes sense that DisplayObject should not have been there.

You're the best!

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3. kglad,

Jan 27, 2012 2:40 PM in reply to Razzi_A

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you're welcome.

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