8

TimeSensor VRML97 Helper 653
TimeSensor V RML97 Helper
Create panel > Helpers > VRML97 > Objec t Type rollout >
TimeSensor
The TimeSensor helper lets you add time-based
animation controls, such as the start and end
frames for a particular object’s animation,
and looping. Use this helper to split up an
object’s animation keys over severa l triggers, to
automatically start an animation upon lo ading the
.wrl file, or to ma ke animation endlessly lo op.
Procedure
To assign an object to a T imeSensor helper:
1.
Add a Time Sensor object by pressing the Time
Sensor button and then click-dragging in the
Top viewport to create its icon.
2. Press Pick Objects and select the (animated)
geometry to control.
3. Usethecontrolstoadjustthestartandend
times of the animation, and to loop the
animation.
Interfa ce
TheTimeSensorrolloutcontainsthefollowing
options:
Loop—Repeats the animation from the start-t ime
frame to the stop-time frame.
Start on World Load—Starts the anim ation so that
it wi ll be running when the file is loaded into the
browser.
Note: This option is only available when Loop is
turned on. Otherwise, the animation will star t and
stop at the specified t imes.
Start Time/Stop Time—Specifies the r ange of
frames to play.
Note: If the start time is after the end time, the
animation will play from the earliest frame to the
last frame. It will not play the animation backward.
Pick Objects—Lets you select the objects to control
with this TimeSensor.