Graphics Programs Reference
In-Depth Information
Figure 19-34: Boost Compress Stretch and reduce Stretch Limit.
8. Click on the Advance tab. Increase
Compress Stretch to 15000% and
reduce Stretch Limit to 0.25 %. Com-
press Stretch limits an object's ability
to stretch. How far it is allowed to
stretch is determined by Stretch Limit.
9. Press Calculate and check the results.
These changes helped constrain the skirt
and are keeping it from
penetrating the tube sur-
face, but the cloth now
looks like it's suffering
from a bad case of static
cling. There are several
reasons for this. One is
that the cloth is too
heavy. When it swings
around, it hits itself and
gets caught in its own
self-collision routines.
Another is that the cloth
is a little too responsive
to the object's motion.
We could increase the
Spring and Sub Structure
settings to make it stiffer,
but there's another setting we can use to
resolve this.
10. Switch back to the Basic tab. Decrease
Weight to 0.1 . This will make the cloth
lighter and a little less responsive to
the skirt object's motion. Then
increase Viscosity to 3 . Viscosity oper-
ates as a dampening effect, making the
Figure 19-35: Change the Weight, Viscosity, and Resistance settings.
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