Integrating 3D models with photography
Interested in integrating your 3D work with the real world? This might help
# 1 18-09-2012 , 01:34 AM
Subscriber
Join Date: Aug 2005
Location: Austin, TX
Posts: 496

animating along a motion path

So im trying to figure out this motion path animation and animating joints along the path. Now i know about just animating the offset of the curve after creating a SplineIK and all but id does this weird stuff where it slows after hitting the curve. IS there any other way to animate a joint chain along a path other than using spline IKs?

# 2 18-09-2012 , 06:33 AM
daverave's Avatar
The thin red line
Join Date: Aug 2009
Location: England
Posts: 4,472
Not sure what you mean could you show a screen grab......................dave




Avatar Challenge Winner 2010

Last edited by daverave; 18-09-2012 at 10:34 AM.
# 3 19-09-2012 , 09:06 PM
Subscriber
Join Date: Aug 2005
Location: Austin, TX
Posts: 496
I have to put those joints on that curve and make it go from one end to the other like a roller coaster. I can get it on the curve by making the curve the base for the splineIK but when it rounds the bend it slows down even though in the graph editor for the movement its a linear climb no curving.

Now is there another way for me to animate this without doing the splineIK option and still get it to round the cure like its supposed to? Im trying to make it so that it uses the curve as a motion path but it wont do that if i make the curve the base for the splineIK for the joints.

Attached Thumbnails
# 4 20-09-2012 , 07:22 AM
daverave's Avatar
The thin red line
Join Date: Aug 2009
Location: England
Posts: 4,472
Yes use a flow path, create a motion path then a flow path..............dave




Avatar Challenge Winner 2010
# 5 20-09-2012 , 09:25 AM
Subscriber
Join Date: Aug 2005
Location: Austin, TX
Posts: 496
so do i just select the joints and curve then select flow path or is there a step im missing?

I keep getting this msg.

//Warning: none of the selected objects are animated by a morthion path with the Follow option

but i did that


Last edited by MamoruK; 20-09-2012 at 09:35 AM.
# 6 20-09-2012 , 12:17 PM
daverave's Avatar
The thin red line
Join Date: Aug 2009
Location: England
Posts: 4,472
Just select the mesh that should do it and click follow curve you will need to up the lattic on the direction that the curve is following...............dave




Avatar Challenge Winner 2010
# 7 20-09-2012 , 06:31 PM
Subscriber
Join Date: Aug 2005
Location: Austin, TX
Posts: 496
there is no mesh in this case only joints.

# 8 20-09-2012 , 06:42 PM
daverave's Avatar
The thin red line
Join Date: Aug 2009
Location: England
Posts: 4,472
Joints will not render what are you going to put on the joints.............dave




Avatar Challenge Winner 2010
# 9 21-09-2012 , 08:19 AM
Subscriber
Join Date: Aug 2005
Location: Austin, TX
Posts: 496
doesn't matter about the render i just need to get the joints to move along the path.

# 10 21-09-2012 , 09:14 AM
daverave's Avatar
The thin red line
Join Date: Aug 2009
Location: England
Posts: 4,472
It does not look like you can use a flow path on joints you are going to have to find another way...............dave




Avatar Challenge Winner 2010
# 11 24-09-2012 , 11:56 PM
Subscriber
Join Date: Aug 2005
Location: Austin, TX
Posts: 496
well i did which is animating the offset which will move the joints from one end to the other but when it rounds the curve it automatically slows down and i don't know why. I checked the graph editor and the motion path line was linear no curving so i don't know why its slowing down when it rounds the curve.

# 12 25-09-2012 , 12:19 PM
daverave's Avatar
The thin red line
Join Date: Aug 2009
Location: England
Posts: 4,472
Do a playblast see if its slow in real time..........dave




Avatar Challenge Winner 2010
# 13 05-09-2016 , 12:50 PM
Registered User
Join Date: Sep 2016
Posts: 1
I could be that the vertex points are not consistently spread over the spline/curve. Rebuilt the curve under.
Modeling : Curves->Rebuilt

Posting Rules Forum Rules
You may not post new threads | You may not post replies | You may not post attachments | You may not edit your posts | BB code is On | Smilies are On | [IMG] code is On | HTML code is Off

Similar Threads