Calling Flash function using ExternalInterface

Question

I'm having trouble calling a function through the use of ExternalInterface.

First off, here's the HTML/JS side:

<p align="right">
<object type="application/x-shockwave-flash" data="camera.swf" 
width="200" height="200" align="right" id="camSWF">
<param name="movie" value="camera.swf" align="right" />
<param name="allowScriptAccess" value="always" />
</object></p>
<script type="text/javascript">
var flashObj = document.getElementById('camSWF');
document.onmousemove = setMouseXY;
function setMouseXY(e) {
    var x = e.pageX;
    var y = e.pageY;
    flashObj.rotateCam(x, y, $(document).width(), $(document).height());
}
</script>

And secondly, here is the ActionScript 2 code:

ExternalInterface.addCallback('setMouseXY', null, rotateCam);
function rotateCam(mouseX, mouseY, docWidth, docHeight)
{
    // DO STUFF
}

As far as I can see, everything should work, but obviously I'm missing something.

Whenever the mouse event fires on the HTML page, I get this error in Firebug:

flashObj.rotateCam is not a function: 
flashObj.rotateCam(x, y, $(document).width(), $(document).height());

I'm quite stuck. Perhaps it's some security thing?

Diode · Accepted Answer · 2011-12-19 13:38:34Z

2

ExternalInterface.addCallback('setMouseXY', null, rotateCam);

This statement adds "rotateCam" as the callback function for "setMouseXY". So "setMouseXY" is the function that has to be called from javascript.

function setMouseXY(e) {
    var x = e.pageX;
   var y = e.pageY;
   flashObj.setMouseXY(x, y, $(document).width(), $(document).height());
}

answered Dec 19, 2011 at 13:38

Diode

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2 Comments

Diode Over a year ago

Or in actionscript you can use ExternalInterface.addCallback('rotateCam', null, rotateCam); to work with the current javascript code.

Alex Over a year ago

Hm, thanks for that. I probably should read code a little more carefully next time

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