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3D Engine for Dummies
Author: KStor

Page 13
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The Zoom (con't)

Let's continue the zoom routine. Open the next to last frame zoom. Normally we only have two commands: the calculation of the depth and the setting of the zoomvalue. Before this we are going to add a new command:

Set Variable: "zoom" = zoom + zm
If (zoom> 100)
 Set Variable: "zoom" = 100
End If
If (zoom <10)
 Set Variable: "zoom" = 10
End If

First we add the zm value to the zoom, then we check that it doesn't exceed 100% or go under 10% (under ten percent the object gets too small).

Last we set the buttons: double-click on your zoom-in button (any one of your eight buttons). Then set these actions:

On (Roll Over)
 Set Variable: "zm" = "5"
End On
On (Release, Roll Out)
 Set Variable: "zm" = "0"
End On

I don't think this needs to be explained: while the mouse is over the button, the zoom increases by 5 percent at every loop. Now set the same thing for the zoom-out button but with "zm"="-5"

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» Level Advanced

Added: : 2000-12-04 Rating: 8.97 Votes: 2619 Hits: 4694

» Author

KStor is a student living in France and working with Flash during his free time...that is, not very much.

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