If you paste the same
block of time repeatedly, one block following the other, you can
create a looping segment in your animation. To create a smooth looping
animation, you need to exclude either the first or last key of the
copied block to prevent keys from doubling up at the ends.
The key to be excluded
must be at the exact end time of the copied block of time.
NoteBy default, the Extras:
Dope Sheet toolbar doesn't appear in the Dope Sheet Editor. You'll
find a method for displaying it in the following procedure.
To animate a loop by copying and pasting keys:
- In Dope Sheet mode, highlight one or
more item labels in the Controller window to specify tracks for
- Use (
to specify a block of time.
At least one track in
the block should end with a keyframe. Also, for a smooth loop, the
first and last frame of the selection should be the same.
- Right-click an empty section of the toolbar
area and choose Show Toolbars Extras:
The Exclude Left End
Point and Exclude Right End Point buttons appear.
- On the Track View toolbar, click (Exclude Right
- On the Track View toolbar, click (Copy Time).
The selection is copied
to the clipboard, minus the first frame.
- Click to define an insertion point in
the key window.
The last position key
should be your insert point.
- Click (Paste
3ds Max opens the
Paste Time dialog.
- In the dialog, choose Paste Absolute
or Paste Relative. For an animated loop choose Paste Absolute, then
3ds Max pastes the
time, including keys.
- Play your animation to observe