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A quick step back to the beginning, when the user clicks a button to change
the scrolling direction and then we're finished.
The buttons.
In the Fast Forward button is contained the ActionScript:
On (Release)
Set Variable: "right" = "fast"
Go to and Play (2)
End On
So the viewer clicks the Fast Forward to the right button, setting the variable
"right" to hold the value "fast." The computer repositions the pictures by executing
the code in the keyframe labeled "right" (which we just went over above). Immediately
after the keyframe labeled "right" is the keyframe labeled, "Goto right fast."
It contains the following code:
If (right eq "fast")
Go to and Play (2)
Else
Play
End If
and in the frame after that (labeled "Goto left slow") is the ActionScript:
Go to and Play (2)
What does all that do? When the viewer clicked on the Fast Forward button, the
variable "right" was set to "fast", so the playhead gets sent back to execute
the code and reposition the pictures fairly quickly. If "right" isn't set to
"fast" it plays another frame before being sent back to execute the code, thus
creating a greater delay between the repositioning of the pictures.
I'll let you figure out how to make the pictures go left. It's not much different.