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Car, turning wheels
Posted: Tue Oct 31, 2006 12:56 pm
by moorsel
I would like to create an animation in which a car drives by. How can I do the wheels of this car?. When I create just an image of a cars and let it move eg from left to right the wheels don't turn around and that looks a little strange.
Thanx in advance and gr,
Frank
Posted: Tue Oct 31, 2006 1:13 pm
by Víctor Paredes
http://www.freewebs.com/tazatriste/mohos/wheels.anme
i don't know if that is you want.
well i made a layer for the wheel, draw two ovals and rotate it in Y. i created another layer for the the "body" of the wheel and move the points to make the turning effect.
Posted: Tue Oct 31, 2006 7:21 pm
by heyvern
You could put the car and wheels on separate layers.
Then put them both in a group layer (AS Pro) or a bone layer (AS Standard)
Key frame the wheels motion without any forward motion. Put each wheel on a separate layer and put the center point of the layer on the center of each wheel and rotate the layer.
You could animate one wheel and duplicate the layer. The animation would already be done for the copy and you can translate the layer to where you need it. The layer rotation would still be there.
Animate the grouped layer to create forward motion to match the wheel rotation.
You could even use bones. Bind the wheels to bones and rotate the bones on that layer to "spin" the wheels. All the wheels could be on the same layer this way. Forward motion would always be the "parent" layer translation.
Rotating points doesn't always work as expected. If you rotate the points on a keyframe they want to find the closest LINEAR path to the next key frame and won't actually "rotate"... causing the wheels to "change size".
-vern
Posted: Tue Oct 31, 2006 11:26 pm
by Rasheed
I created this simple car:
The wheels turn in a loop from 0 to -360 degrees around the Z axis. The wheels also turn around the Y axis, with noisy interpolation. The whole car is translated with noisy interpolation to give the feel of a driving car.
The artifacts you see at the edges of the car are caused by GIF color optimization.
Posted: Wed Nov 01, 2006 3:32 am
by elbramtsol
There are several ways to do this. See my example too:
http://www.geocities.com/elbramtsol/w.zip
Posted: Wed Nov 01, 2006 7:28 am
by moorsel
Thanx all of you for the help!
Gr,
Frank
Posted: Wed Nov 01, 2006 5:21 pm
by Víctor Paredes
ok, didn't understand.
maybe this one be more useful:

i drew this tank. there is a bone (called "uno") in a wheel which controls all the other wheels' bones.
(right clic, save as)
http://www.freewebs.com/tazatriste/mohos/tanque.anme
Posted: Thu Nov 02, 2006 4:00 pm
by moorsel
Thanx agian all of you for the help. This is the result:
http://video.google.com/videoplay?docid ... 4462167128
PS: this snippet is going to be used in a project I am working on:
http://www.lostmarble.com/forum/viewtopic.php?t=5679
Gr,
Frank