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652 Chapter 20: Managing Scenes and Projects
The Level of Detail rollout contains the following
options:
Pick Objects—Selects objects of different face
counts to substitute for the LOD helper object.
Create all the objects and the LOD helper object at
exactly the same co ordinates.
Distance—Sets the distance from t he camera
at which the user sees the selected object. The
distance specified for the object appears next to
the object name. For example:
hicapsule - 100 medcapsule - 300 locapsule
500
Hicapsule is displayed when the distance between
it and the camera is within 100 units. The lower
resolution object (medcapsule) is displayed when
the camera is between 100 a nd 300 units. The
lowest resolution object (lo capsule) is d isplayed
when the camer a is beyond 300 units. The greatest
distance (500 in this case) is not actua l ly used, but
must be supplied.
Delete—Deletes the selected object from the list.
Icon Size—Sets the s ize of the LOD helper object.
TouchSensor VRML97 Helper
Create panel > Helpers > VRML97 > Object Type rollout
> TouchSensor
The TouchSensor helper lets you set up an object
so that select ing it in a VRM L97 browser starts a
set of objects animating.
Procedure
To set u p an object as a Tou chS ensor tr i gger:
1.
Add a Touch Sensor object by pressing the
Touch Sensor button and then click-dragging
in the Top view por t to create its icon.
2. Select the geometry to control.
Whentheuserclicksthetriggergeometry,the
geometry, camera or lig ht animates, or the
sound plays.
Interfa ce
The Touch Sensor rollout contains the following
options:
Pick Tri gger O bject—Specifies the geometry that
will be the trigger for this TouchSensor. Click this
button, then select the geometry.
Enable—Activates the Touch Sensor . When this
box is turned off, the sensor has no effect, even if
objects have been selected.
Pick Action Objects—Specifies the objects in the
scene to control with this helper.
Delete—Deletes an object from the list of picked
objects.
Icon S ize—DeterminesthesizeoftheTouchSensor
helper in the scene.