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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 1 2 3 4 5 6 7 8 9 10 (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. Download (10 kb) » Forums More help? Search our boards for quick answers!

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