isactive.x3d

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A VisibilitySensor should generate an isActive event of true when the VisibilitySensor bounding box is in the field of view. A default Viewpoint places the viewer avatar directly in front of a VisibilitySensor bounding box, represented by a white IndexedLineSet. As a result, an isActive true event is sent to a TimeSensor to start a color animation of the Sphere geometry directly behind the bounding box. Moving to the second Viewpoint directly behind the bounding box should stop the color animation.

 

X3D Scene   Metadata
archive   https://www.web3d.org/x3d/content/examples/ConformanceNist/Sensors/VisibilitySensor
title   isactive.x3d
MovingImage   isactive-movie.mpg
reference   http://www.nist.gov/vrml.html
reference   http://www.itl.nist.gov/div897/ctg/vrml/vrml.html
creator   http://www.itl.nist.gov/div897/ctg/vrml/members.html
disclaimer   This file was provided by the National Institute of Standards and Technology, and is part of the X3D Conformance Test Suite, available at http://www.nist.gov/vrml.html The information contained within this file is provided for use in establishing conformance to the ISO VRML97 Specification. Conformance to this test does not imply recommendation or endorsement by the National Institute of Standards and Technology (NIST). This software can be redistributed and/or modified freely provided that any derivative works bear some notice that they are derived from it, and any modified versions bear some notice that they have been modified.
reference   Interactive Conformance Testing for VRML, Mary Brady and Lynn Rosenthal, NIST, created 8 September 2010 and updated 25 August 2016, https://www.nist.gov/itl/ssd/information-systems-group/interactive-conformance-testing-vrml
info   Correct definition and compliance of this conformance scene is maintained by the X3D Working Group, https://www.web3d.org/working-groups/x3d
translator   Michael Kass NIST, Don Brutzman NPS
translated   21 January 2001
modified   28 August 2023
TODO   Xj3D Player Bugzilla Issue http://bugzilla.xj3d.org
description   A VisibilitySensor should generate an isActive event of true when the VisibilitySensor bounding box is in the field of view. A default Viewpoint places the viewer avatar directly in front of a VisibilitySensor bounding box, represented by a white IndexedLineSet. As a result, an isActive true event is sent to a TimeSensor to start a color animation of the Sphere geometry directly behind the bounding box. Moving to the second Viewpoint directly behind the bounding box should stop the color animation.
identifier   https://www.web3d.org/x3d/content/examples/ConformanceNist/Sensors/VisibilitySensor/isactive.x3d
generator   Vrml97ToX3dNist, http://ovrt.nist.gov/v2_x3d.html
generator   X3D-Edit 4.0, https://savage.nps.edu/X3D-Edit
license   ../../license.html
 
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