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[Closed] car wheel ctrl

I wish to change object orientation during its travel, and the travel to be modified by orientation.
imagine a object animated along X direction, when I rotate a dummy (as a car wheel) the object motion is bend in y direction.
I expect to create a car rigg without path constraint.
I would like to do it with expression ctrl better than maxscript. Any mathematicians down here?
thx peoples !

2 Replies

if you are talking about a wheel rig, what i always do is attach the wheel to a “turning” dummy and the “turning” dummy to a “steering” dummy.

you rotate the “turning” dummy for the actual wheel rotation for the forward motion and i steer the wheel with the “steering” dummy.

sorry dutchdelight, may be I was not very clear in my request and you don t understood it.

I mean:
one car – one steering wheel ctrl dummy – one engine ctrl dummy

use the engine ctrl dummy to move the car forward

use the steering wheel ctrl dummy to change the moving direction.

What I can t do is moving the car in local x. If I could do do that I could say “move local
X” and then when I rotate the car in Z during the move the car bake direction!

hum…so you got it ? <:)