Keyframing speed...

Moderators: Disciple, zlovatt

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blindchild
Posts: 14
Joined: February 8th, 2009, 2:19 pm

November 22nd, 2011, 1:38 pm

Hi,

I have been looking around everywhere for a way to do this. Essentially I would like to be able to control the speed of a null using a slider.

Something similar to:

v=effect("main_speed")("Slider");
xu=transform.position.valueAtTime(time-0.04);
xv=xu+v;
xv;

But something that works. I realise that I may have to calculate all the position values before the current time in order to calculate the new position...but I have no idea how to work that out.

I should add that I would like to be able to ramp the speed....

Any further reading, advice or links would be much appreciated.

Thanks
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