The On/Off controller
provides binary on and off control. It is similar to the
For example, you can apply an On/Off controller to the Visibility
track of an object.
You can view the curve
for this controller in the Function Curve display, but it's not
editable. In addition, there's no Properties dialog for this controller.
NoteWhen you load a scene
from version 1.x of 3ds Max that contains a Visibility controller,
the controller is automatically converted to an On/Off controller.
Example: To use the On/Off controller
to control an object's visibility:
- Create a cylinder, then open Track View.
- In Track View, select the Cylinder track
and click Tracks Visibility
Track View adds a Visibility
- Select the track named Visibility .
- From the Track View toolbar Controller menu Assign and select On/Off
in the Assign Controller dialog. Click OK.
If you change the mode
to Dope Sheet, notice that the entire track region is filled by
a blue bar.
- In the Track View - Dope Sheet, click (Add Keys), and add a key
at frame 20.
The blue bar stops at
- Add another key at frame 60.
The track is now blue
again following frame 60.
- Add some additional keys in the Visibility
Track. Each added key reverses the on/off blue pattern following
the added key.
TipYou can select two
or more keys and copy them to different positions. This allows you
to create even intervals for the On/Off effect.
You assign the On/Off
Controller in Track View.
The On/Off track displays
a solid blue color in frames that are On, and no blue in frames
that are Off. When you add a key to an On section of the track,
the section following that key is turned off. When you add a key to
an Off section, the following section is turned on and colored blue.