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Old 06-19-2013, 08:21 AM   #1
lucky6969c
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Rotate separated objects in its own local pivot



In this image, you see the wheels are selected. However, when they get animated by rotating in their own axis (like they are moving on the roads), they are scaled at the same time, so they look shrinking and regrowing back to the original size at the end the keyframe. How would I make the scaling stop bothering me?
Thanks
Jack
 
Old 06-19-2013, 09:46 AM   #2
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why don't you try ResetXForm for the wheel?
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Old 06-19-2013, 09:48 AM   #3
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You should seperate each of the wheels into a seperate object.
This will make it easier to select and animate them.
It also allows you to use a expression to control their rotation based upon distance travelled along a path.

Have a look at:

http://cg.tutsplus.com/tutorials/au...rameter-wiring/
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Old 06-20-2013, 06:00 AM   #4
lucky6969c
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Nothing works.
For method 1, after resetting X-form, the wheels are still being scaled down while being rotated.

For method 2, the lorry should sit still on 0,0,0 while I set the world transformation for it in the game.

Thanks
Jack
 
Old 06-20-2013, 06:17 AM   #5
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so strange, please double that you scale down that wheel at end frame or not?
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Old 06-20-2013, 08:05 AM   #6
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Can you save just the wheels as a max file then somebody could take a look?

Otherwise I would seperate the wheels
Clear all animation tracks & reset xform.
If they still misbehave then:

Merge them into a fresh scene.
or Export to obj / 3ds

Import
Try again.
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Old 06-20-2013, 02:27 PM   #7
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Quote:
Originally Posted by Anthonyy
Can you save just the wheels as a max file then somebody could take a look?.


Do as Anthonyy suggests. No need to spend hours and hours on this as it should be a relatively simple task to complete.
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Old 06-20-2013, 06:44 PM   #8
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Quote:
Originally Posted by lucky6969c
However, when they get animated by rotating in their own axis (like they are moving on the roads), they are scaled at the same time, so they look shrinking and regrowing back to the original size at the end the keyframe. How would I make the scaling stop bothering me?
Thanks
Jack

3ds max use linear interpolation for vertex animation, so there is no way around for this. They WILL be shrinking. You can use skin modifier to rig vehicle to a bone system which will be rotating wheels. Or you can simply detach wheels into separate objects and animate it normaly.
 
Old 06-20-2013, 06:44 PM   #9
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