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Flash Tutorial - Text Scroll using simple ActionScript

Free Flash Tutorial

Step Four: ActionScript for Scrolling Text

1. If you are not on the Main Stage return to it by clicking on the Scene 1 Tab:
2. Go to : Insert > New Symbol (Ctrl+F8)
3. For Name type: Controller
4. For behaviour select: Movie Clip
5. Click: OK
   
   
6. In the Timeline select the: First Frame
7. If the Actions panel is closed, open it: Window > Actions (F9)

   Note: For Flash MX or Flash 5 choose the Expert Mode for editing the actionscript. (Ctrl+Shift+E). Flash MX 2004 only has one Edit Mode which is the same as Expert Mode in previous versions.

8. Place the following ActionScript in Frame 1 (you do not need to type the gray comments):
   
   //Stops the movie that is currently playing in that frame
   stop();
   
   
9. In the Timeline right click on Frame 2 and select: Insert Blank Keyframe
10. Place the following ActionScript in Frame 2:
    
    //Sends the playhead (on the Main Stage) back one frame
    _root.prevFrame();
    
    
11. In the Timeline right click on Frame 3 and select: Insert Blank Keyframe
12. Place the following ActionScript in Frame 3:
    
    //Sends the playhead back to frame 2 (in the Controller Movie Clip) so that the above instruction is looped
    gotoAndPlay(2);

    Note: This ActionScript makes the Movie play in reverse. This makes the text scroll back up when the scroll up button is pressed. The exact implication of this script will be explained in the final stage.