Hmmmm.... Chris! Would you mind helping me a bit more? please...?

http://download.yousendit.com/75D992413B17076C

If i blink in a constant rythm, it looks ok! ;)

Seriously though, what needs to be added to make it move a bit smoother in
both directions? I dont understand this code (which of course bothers me)
so Im a bit afraid of trying to tweak it out of control...

Used:

//------------------------

#include "math.inc"

#declare MyClock = clock*5;
#declare SecondsPerCycle = 1; // One complete flap every 2 seconds

// Calculate a number that varies linearly between -1 and +1 over the cycle
#declare CyclePosition = mod(MyClock,SecondsPerCycle)*2-1;

// Apply a sine function to give a value that stays out at the extremes
longer
#declare CycleFactor = sind(90*CyclePosition);



object {skylt
rotate x*(CycleFactor*7.5-2.5)
translate <0.2,3.9,0>}


//------------------------

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