The command in the expression editor inserts the token at the insertion point in the editing pane. This token generates a complex oscillating function. Replace the dummy arguments
as follows:
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Replace with an expression for the start frame of the oscillation. The value is 0 before this frame.
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Replace with an expression for the end frame of the oscillation. The value is 0 after this frame.
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Replace with an expression for the starting half-period (half-wavelength) of the oscillation in frames.
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Replace with an expression for the first half-period of the final oscillation in frames.
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Replace with for a linear interpolation between and , or with for a spline (curved) interpolation. You can use the submenu to insert these strings.
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Replace with an expression for the starting amplitude (maximum height) of the oscillation in SOFTIMAGE units.
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Replace with an expression for the end amplitude (maximum height) of the oscillation in SOFTIMAGE units.
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<>
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Replace with for a linear interpolation between and , or with SplineInterp for a spline (curved) interpolation. You can use the submenu to insert these strings.
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Example
oscil(10,90,5,15,LinearInterp,1,20,SplineInterp)
Generates an oscillation that starts at frame 10 and ends at frame 90. The first half-period lasts 5 frames and grows linearly
with the second-to-last half-period lasting 15 frames. The amplitude is initially 1 SOFTIMAGE unit and grows with a spline
interpolation to 20.