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Define speed by helper object?
show user profile  ijzerman
Hi there,
Im doing some research on a 3dsmax to ae workflow. Ive made a simple scene with a car running over a spline. This normally is controlled by the % in the pathcontrol properties.
I want to be able to link a motion graphic to the speed at a given frame at which the car is traveling.

My ideal solution is to link the speed to a dummy(wire parameters of some kind). I can export the position of that dummy per frame with max2ae to after effects where i can hook up the speedometer.
This way the graphic always matches the rendered footage and i am not doing double work. If the animation changes i just reload keyframes in after effects and i am all set.

So my question is, what would be a clever way to extract speed information of a object from the 3d scene?
Ideally i would like to stick with my path constraint setup but if you guys have a good idea im really curious. Thanks in advance.

Stefan
--------------------------------------

Pushing buttons since "86
read 335 times
5/2/2016 1:31:08 PM (last edit: 5/2/2016 1:31:08 PM)
show user profile  chillywilson
Find out your units, metric or standard.
use the tape measure tool and then do math

speed = distance / time
read 316 times
5/2/2016 5:30:35 PM (last edit: 5/2/2016 5:30:35 PM)
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