hey guys,
i want to rotate a ‘crank’ in +Y_axis and feed another object´s rotation Y_axis as incremental value, only applying when it´s positive…
but i´m stuck…so far i´m using two values (Y_rot that feeds the ‘crank’, Y_pos that feeds the rolling cylinder) but it´s kinda boring to animate and it isn´t a elegant solution though…
reference idea:
Spring-powered or “clockwork” car models, that are wound with a key or by a friction mechanism.
i´ve attached my scene test file (.max 2009).
thanks in advance,
cheers.
i mean, do you know that tool ?
that´s the motion i´m trying,
with one positive ‘clockwise’ rotation you feed another object, returning negative affects nothing…
any thoughts ?
Hi Renato,
Maybe a Custom Attribute function that only feeds a float value param when a value added is positive, then wire to that param.
Cheers,
-Johan
And a max2010 sample file, note of the various problems to this approach, I had to add a with animate off context to the script controller, otherwise it would bake the CA param.
So that makes this a “realtime” controller, and it should be “baked” if you need consistent animation.
The code for the CA:
ca = attributes addCA
(
parameters params
(
theAngle type:#float default:0
)
)
custAttributes.add $.rotation.controller.z_rotation.controller ca
Then check the script controller on the spline. There are probably better solutions, but this seems to work too
Hope it helps,
-Johan
that´s it, thanks a bunch JOHAN, i liked your solution !!
seeya.
Excellent
-Johan