2012

Shortcut menu: Right-click a blank area in the scene, and click Background
on the shortcut menu.
Menu: Classic user interface: Tools ➤ Background
Collision Dialog Box
Use this dialog box to adjust the collision settings for the selected viewpoint
in a 3D workspace.
By default, Collision, Gravity, Auto Crouch, and Third Person view are
switched off.
NOTE This dialog box is only available for 3D models.
Collision Select this check box to define a viewer as a collision volume in
Walk and Fly modes. As a result, a viewer acquires some mass, and cannot
pass through other objects, points, or lines in the Scene View.
NOTE Selecting this check box changes the rendering prioritization so that objects
around the viewer are displayed with much higher detail than normal. The size of
the region of high detail is based on collision volume radius and speed of
movement.
Gravity Select this check box to give a viewer some weight in Walk mode.
This option works in conjunction with Collision.
Auto Crouch Select this check box to enable a viewer to crouch under objects
that are too low to pass under in Walk mode. This option works in
conjunction with Collision.
Viewer
Radius Specifies the radius of the collision volume.
Height Specifies the height of the collision volume.
Eye Offset Specifies the distance below the top of the collision volume, where
the camera will focus upon if Auto Zoom check box is selected.
Third Person
Enable Select this check box to use Third Person view. In Third Person
view, an avatar is shown in the Scene View to represent the viewer.
Selecting this check box changes rendering prioritization so that objects around
the avatar are displayed with much higher detail than normal. The size of the
270 | Chapter 13 Reference