Re: FLASH: Randomization in Flash

[Eric Dunham]

I don't know if you want a current MC to be able to randomly call other MCs

to load, or if you're wanting to just randomly load a swf when the page

loads. If it is the latter, then it's very simple with JavaScript (or ASP).

Since JavaScript is probably the way you want to go, try the following:

<code>

<script>

<!--

x = Math.round(Math.random()*10);

SWF = "<OBJECT CLASSID=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" \n";

SWF += "WIDTH=\"550\" HEIGHT=\"400\" \n";

SWF +=

"CODEBASE=\"http://active.macromedia.com/flash4/cabs/swflash.cab#version=4,0

,0,0\"> \n";

SWF += "<PARAM NAME=\"MOVIE\" VALUE=\"movie" +x+ ".swf\"> \n";

SWF += "<PARAM NAME=\"PLAY\" VALUE=\"false\"> \n";

SWF += "<PARAM NAME=\"LOOP\" VALUE=\"false\"> \n";

SWF += "<PARAM NAME=\"QUALITY\" VALUE=\"best\"> \n";

SWF += "<PARAM NAME=\"BGCOLOR\" VALUE=\"#FFFFFF\"> \n";

SWF += "<EMBED SRC=\"movie" +x+ ".swf\" WIDTH=\"550\" HEIGHT=\"400\" \n";

SWF += "PLAY=\"false\" LOOP=\"false\" QUALITY=\"best\" BGCOLOR=\"#FFFFFF\"

\n";

SWF +=

"PLUGINSPAGE=\"http://www.macromedia.com/shockwave/download/index.cgi?P1_Pro

d_Version=ShockwaveFlash\"> \n";

SWF += "</EMBED>\n</OBJECT>";

document.write(SWF);

//-->

</script>

</code>

Now you might be asking why the hell I separated all the lines when

assigning values to the variable SWF. If you don't know why I did

that...well, nevermind why I did that, you can change it if you wish.

Needless to say, this is what you would need to do to randomize the call of

a Flash movie into an HTML page. As I'm sure you've realized

Math.round(Math.random()*10) is what does all the magic. If you don't know

about the JavaScript Math object (and yes, it does have to have a capital

"M") I'll tell you what those two things do. Math.random() generates a

random number between 0 and 1 (and it can go out to an insane number of

decimal places). The result of the random generation is multiplied by 10,

giving us a number X, where 0<=X<10. Now we call the Math.round method,

specifying the random generation we just did as the argument, and there you

have it. The rounding method has now given you an integer between 0 and 10,

inclusive. The example that I just wrote assumes that your movies are named

movie0.swf, movie1.swf, etc. but you may change that however you wish.

Hope that helps,

Eric Dunham

> Anyone know how to randomize a bunch of MCs so that a random one is shown

> when a user visits the page.  Would be helpfull if it were done in Flash3.

> Thanks.





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