This, step by step, detailed action script lesson, will show you how to create dissolve photo effect using the AS3 and some special flash tips and tricks. You can use this effect for some presentation or flash banner. Using this lesson, you will also learn how to import any image into a flash stage, how to convert it into a Movie Clip Symbol, how to create instance name and much much more! Let's start!
Example:
Step 1
First, find any image which you like to use for this lesson.
Step 2
Create a new flash document. Press Ctrl+J key on the keyboard (Document Properties) and set the dimensions of your document as whatever you like. Select any color as background color. Set your Flash movie's frame rate to 32 and click ok.

Step 3
Call the current layer image. Double-click on its default name (Layer 1) to change it. Press Enter once you have typed in the new name!
Step 4
Choose now File > Import > Import to stage (Ctrl+R) and import any image into a flash stage.
Step 5
While the image is still selected, hit F8 key (Convert to Symbol) to convert it into a Movie Clip Symbol.
Step 6
While the new made Movie Clip is still selected, go to the Properties Panel below the stage. On the left side, You will find the Instance name input field there. Call this Movie Clip: Image. See the picture below!

Step 7
Create a new layer above the layer photo and name it dissolve button. After that, draw some button, type on it dissolve and convert it into a button symbol.

Step 8
While the new made Button is still selected, go to the Properties Panel below the stage. On the left side, You will find the Instance name input field there. Call this Button myButton. See the picture below!

Step 9
Create a new layer above the layer dissolve button and name it action script.
Step 10
Select now the first frame of layer action script and go to the Action Script Panel (F9). After that, enter this code inside the actions panel:
import fl.transitions.*;
import fl.transitions.easing.*;
DissolveButton.addEventListener(MouseEvent.CLICK, dissolveMyObject);
function dissolveMyObject(event:MouseEvent) {
TransitionManager.start(Image, {type:PixelDissolve, direction:Transition.IN, duration:2, easing:Regular.easeIn, xSections:10, ySections:10});
}
That's it!
Enjoy!
Download source file (.fla)