8

Attachment Constraint 377
Theconejumpstothetopofthecylinder.As
you drag the mouse, it jumps to whichever face
you drag over.
5. Release the mouse when the cone is on the top
surface of the cylinder.
Ex ample continued: To a djust the pos ition of t he
cone r elative to the face:
1.
Drag in the face display window to position
theredxrelativetothetrianglerepresenting
the face. (Because of the radial arrangement of
cap faces in a cylinder, the upper-left corner
of the displayed triangle is the center of the
cylinder cap. You can tur n off Edges Only for
the cylinder to see this.)
2. Adjust the A and B spinners to move the cone
acrossthesurfaceoftheface.
3. Drag the time slider to various frames.
As the cylinder bends back and forth, the cone
remains attached to its upper surface. Continue
adjusting the A and B spinners and dragging
in the face d isplay window to adjust the cone’s
position.
4. Remember the number in the Face spinner,
and then lower the spinner value until the cone
leaves the cylinder cap and begins jumping
around various areas of the cylinder.
TheFacespinnerspecifieswhichfacethecone
is a ttached to. As you change its values, the
cone moves to different faces on the cylinder.
5. Re-enter the original va lue in the Face spinner
to return the cone to the top of the cylinder.
6. Play the animation.
The cylinder bends back and for th with a cone
attached to its upper cap.
Inter face
Parameters for this constraint are available on
the Motion panel after the controller has been
assigned.
Attach To group
Object Na me tex t—Specifies the target object to
which the source object is attached.
Pick Object—Selects and picks the target object in
the viewports for the attachment.
Align to S ur face—Fixes the orientation of the
attachedobjecttothefacewhereit’sassigned.
When this is turned off, the orientation of the
attached object is not affected by the orientation of
thefaceonthetargetobject.
Update group
Update—Updates the display.
Manual Update—Enables Update.