Hair & Clothing With Poser Software : Collision Settings in Poser Software

Hair & Clothing With Poser Software : Collision Settings in Poser Software


JOHN CARSTARPHEN: Hi! This is John Carstarphen
for Expert Village. Well, now that you have your hair grown and styled, let’s add some
dynamics to control how the hair will behave during animations. The first thing you want
to do is check the “Do Collisions” box and checking this box enables collision detection
for the current hair group. And remember, you can only do this one hair group at a time,
but what the collisions will do is prevent hairs from penetrating other objects in the
scene; for example, long hair will not penetrate the figure’s head. And in order to ensure
proper collision detection, make sure that all body parts for which you want the hair
to collide have the collision detection check box set on the properties palate. The “gravity”
parameter controls the strength of gravitational force acting on the hair. “Spring strength”
parameter determines the hair’s springiness; if you increase this value, that increases
the springiness, and a rubber band is a good example of an object with a high amount of
springiness to it. “Air damping” specifies the hair’s air resistance that occurs whenever
the hair is moving through the air. Short hair has a lower resistance than long hair.
“Spring damping” controls the hair’s elasticity. The “bend resistance” controls the hair’s
resistance to bending or folding on itself. The “position force” parameter is the force
that pulls the hair vertices towards the choreographed position. Increasing this value decreases
hair dynamics and vice versa. And then clicking the “calculate dynamics” button applies the
current dynamics settings to the selected hair group. The number of frames in a key
framed animation determines the calculation length. And populated hairs do not display
during calculation.

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