8

Edit Poly Modifier 623
7.
Proceed to the next keyframe and continue to
change settings for the current operation and
sub-object selection.
If you change the selection, the existing
animation is applied to the new select ion, and
lost from the previous one. If you change
the operation, any changes f rom the previous
animation are frozen (t hat is, “baked” into the
model) at the current frame, and only new
keyframes are recorded in the current Edit Poly
modifier.
To animate different sub-object select ions using
different operations, use multiple applications
of the Edit Poly modifier.
To apply a n Edit Poly operation to a n a nimated
sub-object selection:
This procedure demonstrates procedural
animation with Edit Poly: the ability to change
the location of application on an object during an
animation using an existing, animated sub-object
selection.
1. Select an object.
2. Create an animated sub-object select ion. One
waytodothisistoapplya
Vo l u m e S e l e c t
modifier (page 1–935)
and animate the gizmo’s
transform, or animate the modifier effect by
using an animated texture map.
3. Apply the Edit Poly modifier .
4. Gotothesamesub-objectlevelinEditPoly,
and then, on the Selection rollout, turn on U se
Stack Selection.
5. Scrub the time slider.
The animated selection appears on the Edit
Poly object.
6. On the Modify panel > Edit Poly Mode rollout,
choose Animate.
7. P erform an operation on the sub-object
selection, such as a chamfer or extrusion. You
needn’t turn on Auto Key or use Set Key.
Note: With Use Stack Select ion on, you c an’t
change the selection.
Now, when you play the animation, the Edit
P oly effect moves along with the animation of
the sub-object selection.
If you decide to animate a different function
procedurally, first click Edit Poly Mode rollout
>Cancel.
Ex ample: To appl y a n Edit Poly oper ati on
procedurally to an a nimated model:
Edit Poly lets you layer an animated sub-object
operationontopofanexistinganimation.Trythis
brief example:
1. Create an animated model, such as a box with
an animated Bend modifier.
2. ApplyanEditPolymodifier,andontheEdit
Poly Mode rollout, choose Animate. Also turn
on A uto K ey.
3. Go to the Polygon sub-object level.
4. Gotoframe20andextrudeapolygon.
5. Pla y the animation.
The extrusion animation plays “on top” of the
existing animation. This isn’t possible with the
Edit Mesh modifier.
Interf ace
Stack Display
For more information on the stack display, see
Modifier Stack (page 3–802) .
Show End R esult—Because E dit Poly is a modifier,
if you apply further modifiers and then return
totheEditPolystackentry,ShowEndResultis
on by default, and you can still see the results of
any modifiers above Edit Poly on the stack. This
is different from the Editable Poly object, where
if you apply a modifier such as
Symmetry (page
1–851)
andthenreturntotheEditablePolystack
entry, you can not see the effect of the modifier