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Extrapolation (FCurve)

Description

Sets or returns the extrapolation type of the function curve as one of the siFCurveExtrapolation enum values.

C# Syntax

// get accessor
siFCurveExtrapolation rtn = FCurve.Extrapolation;

// set accessor
FCurve.Extrapolation = siFCurveExtrapolation;

Examples

VBScript Example

'
'  This example demonstrates how to get and set 
'  an FCurve's extrapolation.
'
Main()

function WriteExtrapolation (in_extrapolation)
   if in_extrapolation = 1 then
       WriteExtrapolation = "siConstantExtrapolation"
   elseif in_extrapolation = 2 then
       WriteExtrapolation = "siLinearExtrapolation"
   elseif in_extrapolation = 3 then
       WriteExtrapolation = "siPeriodicExtrapolation"
   elseif in_extrapolation = 4 then
       WriteExtrapolation = "siPeriodicRelativeExtrapolation"
   else
       WriteExtrapolation = "Invalid Extrapolation type"
   end if
end function

sub Main()
   set oCube = ActiveSceneRoot.AddGeometry("Cube","MeshSurface")
   dim aValues
   aValues = Array(0.00, 5.00, 1.00, 6.00, 2.00, 7.00, 3.00, 8.00, 4.00, 9.00, 5.00, 10.00)
   set oFCurve = oCube.PosX.AddFCurve2( aValues)

   LogMessage "FCurve extrapolation : " & WriteExtrapolation(oFCurve.Extrapolation)
   oFCurve.Extrapolation = siLinearExtrapolation
   LogMessage "FCurve extrapolation : " & WriteExtrapolation(oFCurve.Extrapolation)
end sub

' Outputs:
'INFO : FCurve extrapolation : siConstantExtrapolation
'INFO : FCurve extrapolation : siLinearExtrapolation

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