Is It Possible To Have a Wheel Spinning Along the X-axis While Varying the Angle About the Y-axis ?

mechengineer97

Trying to rig wheels on a car so that the front wheels can pivot to simulate steering while it spins with out wobbling.

Syrus_Dante

Two things that I can think of that could cause the "wobbling" wheels.

1. the wheel bone is not exactly centered

2. the bone "Rotation Order" is not set right and the y-axis is not the right rotation for steering as you think - try the z-axis instead or change the Rotation order in the Tool Settings pane with the Joint Editor as active tool

mechengineer97

Hi -

               I'm an engineer tasked with creating videos of the latest current models for a certain carmaker.  So far I've been able to import my own cars and rig them just to move in a straight line by just having wheels rotating parented to the main body.  Now I've been asked to show a car parallel parking on a street.  Problem is, after I implement the wheel spin about the x-axis, I can't steer the wheel about the y-axis without it going all wobbly.  Played with the world/local/object rotation settings but can't get it to work.

see attached jpeg

Looked in the content store and saw a template, but it only works with vehicles available in the content store.  Are there any tutorials out of how to rig up a car? 

 

mechengineer97

Thanks for the reply, I probably should have mentioned I'm a new user and posted in the New User Forum along with adding more details.  Here's a copy and paste from the thread I posted in the New User Help.

 

Hi -

               I'm an engineer tasked with creating videos of the latest current models for a certain carmaker.  So far I've been able to import my own cars and rig them just to move in a straight line by just having wheels rotating parented to the main body.  Now I've been asked to show a car parallel parking on a street.  Problem is, after I implement the wheel spin about the x-axis, I can't steer the wheel about the y-axis without it going all wobbly.  Played with the world/local/object rotation settings but can't get it to work.

see attached jpeg

Looked in the content store and saw a template, but it only works with vehicles available in the content store.  Are there any tutorials out of how to rig up a car? 

 

 

mechengineer97

Syrus_Dante said:

Two things that I can think of that could cause the "wobbling" wheels.

1. the wheel bone is not exactly centered

2. the bone "Rotation Order" is not set right and the y-axis is not the right rotation for steering as you think - try the z-axis instead or change the Rotation order in the Tool Settings pane with the Joint Editor as active tool

Holy crapola, you just saved my bacon a second time.  Thanks man!!!!!

 

btw - this was the first time

https://www.daz3d.com/forums/discussion/165156/how-to-dock-the-timeline-at-the-bottom

 

JonnyRay

Actually there was one just released recently. I haven't purchased it so can't comment on the quality, but it's on sale right now.

Rigging Vehicles and Mechs in Daz Studio

 

andya_b341b7c5f5

Have a look in the Joint Editor at how the bone that controls the wheel is aligned with the mesh (or not).  I would expect it to be oriented like an axle through the center of the wheel, or with it's centre point at the centre of thw wheel and the end point on the rim.  Looks like it's off kilter compared to the mesh.

Richard Haseltine

Merged threads - if you want to move a thread to another section just edit the first post and select the desired forum from the drop-down list.

Richard Haseltine

andya_b341b7c5f5 said:

Have a look in the Joint Editor at how the bone that controls the wheel is aligned with the mesh (or not).  I would expect it to be oriented like an axle through the center of the wheel, or with it's centre point at the centre of thw wheel and the end point on the rim.  Looks like it's off kilter compared to the mesh.

Aligning with the axle isn't necessarily ideal as that will spin the other two axes, making the wheel wobble instead of steering.

andya_b341b7c5f5

Richard Haseltine said:

andya_b341b7c5f5 said:

Have a look in the Joint Editor at how the bone that controls the wheel is aligned with the mesh (or not).  I would expect it to be oriented like an axle through the center of the wheel, or with it's centre point at the centre of thw wheel and the end point on the rim.  Looks like it's off kilter compared to the mesh.

Aligning with the axle isn't necessarily ideal as that will spin the other two axes, making the wheel wobble instead of steering.

Oh, hmmm.  I must not have explained it very well.  It seems to work without wobbling - see images.  It 'spins' around Y and 'steers' around X.  (I have locked Z.)

Paradigm

you can also simply shove a null between the wheel and the car in terms of hierarchy to give it an "extra bone" (e.g. if you have car --> wheel you can parent the wheel to a null then then null to the car so it's car --> null --> wheel). Then just rotate the null for the different direction.

At least I think that works. It's been a while.

mechengineer97

Thanks for all the replies.  As Syrus_Dante pointed out, the wobbling is from me not selecting the correct axis sequence in the joint editor.   This was what I was trying to do.  Just need to remove the slipping and sliding.

https://youtu.be/k4KQzehsTyE

 

Wondering if this video Rigging Vehicles and Mechs in Daz Studio JonnyRay suggested above would cover most of the suggestions mentioned here?