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 Tutorials » 3D
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 IfFirst 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 OnI 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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3D Engine for Dummies
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