The purpose is to show bubbles rising up randomly.
It's only ActionScript. You couldn't test in SwishMax only in dans FlashPlayer and in a browser ( Export / SWF+HTML )
I suppose you know well how to create objects, thus I wont insist on.
⇒ animation ⇐
1 - Set up movie size 640x433 and background color #000072.
Frame Rate 50 fps or whatever.
2 - Insert image..
3 - Insert an empty sprite. Name it bulle0.(important) Target toggled
In Outline, select scene, get in Expert Mode. Enter the following script :
In Outline, select sprite bulle0. Enter the following script :
Voilà, it's over.
Test and modify parameters carefully.
Note : Don't put any preloader 'cause behaviour 'll change.