CGTalk - Rigging problem

wamo

08-31-2007, 01:13 PM

Hi there,
i got a problem in a type of mechanical rigging
the problem is that:
how can an object have a circular motion in this case up and down with rotating another object,i mean at first value of rotation[360 degree] it goes up and with the next rotation it goes down,and it's a circular motion with rotating the object.
how can i make this type of motion?
thanks everybody.

scroll-lock

08-31-2007, 03:16 PM

does it matter the software you are trying to achieve this ?

wamo

08-31-2007, 03:21 PM

NO,it's my problem
i donno how to do that

Ruramuq

09-01-2007, 12:13 AM

http://img.photobucket.com/albums/v360/Ruramuq/RIGGING/ruraq_wire_Screen.gif

perhaps yo want something like this,
with wires(left)
with trigonometry sin/cos(right) ,
that gif is a little crappy, sorry

reaction should works too, I guess..

wamo

09-01-2007, 10:30 AM

HEY DUDE Ruramuq
it would be the best if you could discribing a bit more.
thanks.

Ruramuq

09-01-2007, 01:14 PM

basically matemathics

left : it is a wire, the z_position wired to the x_rotation, and then I applied this formula for the z_position, but i don not recommend it much:

vel = 0.1
r = (radToDeg X_Rotation)
rel = -1
if mod ((r/360) as integer) 2 == 0 then rel = 1
if abs(r)>360 then r = (mod r 360)*rel+-(360-(mod r 360))*rel
(r*vel)

right : a script contorller, using the sin/cos of the x_rotation, but it will create an easy in easy out effect, I suppose the ideal would be to mix both, but those are just raw ideas that might help you..

wamo

09-13-2007, 02:27 PM

thanks buddy it works well

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