[Bf-python] question about path follow constraints...

[Natanael Olaiz]

Thanks a lot!!! That was going me crazy :)

Best regards,
Natanael.

On Wed, Nov 5, 2008 at 1:38 PM, Martin Poirier <theeth at yahoo.com> wrote:

> Extract the position from the object's matrix, that is always correct on
> any frame (takes into account parenting, constraints, IPO, Actions, ...).
>
> Martin
>
>
> --- On Wed, 11/5/08, Natanael Olaiz <nolaiz at gmail.com> wrote:
>
> > From: Natanael Olaiz <nolaiz at gmail.com>
> > Subject: [Bf-python] question about path follow constraints...
> > To: "Blender Foundation Python list" <bf-python at blender.org>
> > Date: Wednesday, November 5, 2008, 6:53 AM
> > Hi!
> >
> > I need to make a script which can get objects positions
> > over the active
> > frames. If the objects uses an Ipo curve for animation, I
> > easily get the
> > curve, and then evaluate on a specific frame (
> >
> http://www.blender.org/documentation/247PythonDoc/IpoCurve.IpoCurve-class.html#evaluate
> > ).
> > But... how about a object having a constraint FOLLOWPATH to
> > a curve??
> >
> > I made this script to get and print all the keys(/nodes?)
> > of the curves
> > attached to objects as FOLLOWPATH constraints.... but, just
> > the discrete
> > points. How can I get the intermediate values? I don't
> > want to repeat the
> > work that the Blender itself does to make the animation...
> > but I can't found
> > how to get that in the API documentation.
> >
> > #!BPY
> > >> import Blender
> > >> import bpy
> > >> #from bpy import data
> > >> scene=bpy.data.scenes.active
> > >> for object in scene.objects:
> > >>     print "object: %s" % object.name
> > >>     for constraint in object.constraints:
> > >>         print "\t * constraint: %s"
> > % constraint
> > >>         if
> > constraint.type==Blender.Constraint.Type['FOLLOWPATH']:
> > >>             print "\t * Follow
> > Path!"
> > >>
> > target=constraint[Blender.Constraint.Settings.TARGET]
> > >>             print "\t * Target: %s"
> > % target.name
> > >>             curve=target.getData()
> > >>             print "\t\t -> curve
> > %s has %i curNurbs" % (curve.name,curve.getNumCurves())
> > >>
> > >>             for curNurb in curve:
> > >>                 for point in curNurb:
> > >>                     print "\t\t\t
> > * %s" % str(point)
> > >
> > >
> >
> >
> > I'll be really glad if someone can help me with this.
> >
> >
> > Thanks in advance,
> > Natanael
> > _______________________________________________
> > Bf-python mailing list
> > Bf-python at blender.org
> > http://lists.blender.org/mailman/listinfo/bf-python
>
>
>
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