2009

Interface
Modifier Stack
Parent Space At this sub-object level, you can move and rotate the
representation of the Hinge for the parent body. The Hinge axes are defined
in the parent body's space, which means that if you alter the position or
rotation of the parent, the space moves as well and maintains its offset rotation
and translation with respect to the parent. When you assign a parent body to
the Hinge, Parent Space is also aligned with the child body's local space, with
the Hinge axis going through the child body's pivot point. If the Hinge is
single-bodied, then Parent Space represents the world orientation and position
of the Hinge.
Child Space At this sub-object level, you can move and rotate the
representation of the Hinge for the child body. The Hinge axes are defined in
the child body's space, which means that if you alter the position or rotation
of the child, the space moves as well and maintains its offset rotation and
translation with respect to the child. When you assign a child body to the
Hinge, the Child Space hinge axis is positioned so that it goes through the
child body pivot point, and the axes are aligned with the child body's local
space: The Hinge axis is aligned with the child's Z axis, and the perpendicular
axis used for rotation limits is aligned to the child’s X axis.
3972 | Chapter 16 reactor