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Author: Morten Barslund | Website: http://www.hhbk.subnet.dk/GotCha.html

Building a Tsunami

In the first case, we have the following code:

If (mouseposX  >= boundleft and  mouseposX <= boundright and mouseposY >= boundtop and  mouseposY <= boundbottom) 
    Loop While (i <= endnum) 
        Set Variable: "myDif" = (EVAL("textY" & i) ) - (mouseposY-boundtop) 
        Comment: percentage increase 
        Set Variable: "scaleAmount" = 250 - ((myDif*myDif) /16) 
        Set Variable: "alphaAmount" = 100 - ((myDif*myDif) / 6) 
        If (scaleAmount < 100) 
            Set Variable: "scaleAmount" = 100 
        End If 
        If (alphaAmount < 50) 
            Set Variable: "alphaAmount" = 50 
        End If 
        Set Property ("text" & i, X Scale) = scaleAmount 
        Set Property ("text" & i, Y Scale) = scaleAmount 
        Set Property ("text" & i, Alpha) = alphaAmount 
        Set Variable: "i" = i + 1 
    End Loop 

    Comment: *** add up total Y space filled by text *** 
    Loop While (m <= endnum - 1) 
        Set Variable: "filledSpace" = filledSpace + GetProperty ( "text" & m, _height) 
        Set Variable: "m" = m + 1 
    End Loop 

    Comment: *** find total Y space not filled by text*** 
    Set Variable: "totalheight" = GetProperty ( "text" & endnum, _y) - GetProperty ( "text" & startnum, _y) 
    Set Variable: "gapSpace" = totalheight - filledSpace 
    Set Variable: "avgDistance" = gapSpace / numberofitems 
    Set Variable: "m" = startnum + 1 
    Loop While (m <= endnum - 1) 
        Set Property ("text" & m, Y Position) = (GetProperty ( "text" & (m-1), _y) + GetProperty ( "text" & (m-1), _height)) + avgdistance
        Set Variable: "m" = m + 1 
    End Loop 
» Level Advanced

Added: 2000-12-27
Rating: 8.97 Votes: 237
(10 being the highest)
» Author
The author wrote this tutorial to explain the infamous effect originally created by Joshua Davis of www.praystation.com. The tutorial was written with his personal permission and the source is simply a modification of the file available at PrayStation.com.
» Download
Download the files used in this tutorial.
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