<table bgColor="#ffffff" border="0" width="100%"> <tbody> <tr> <td align="left" rowspan="3"> <a href="index.html"><img alt="ProximitySensor Visualization" title="ProximitySensor coverage visualization" border="0" hspace="10" src="ProximitySensorVisualization.png" height="132" align="left"/></a> </td> <td align="left"> <p> Environmental sensors detect user visibility proximity and collision, while 3D spatial sound sources can greatly improve user engagement in a scene. </p> <p> Event-producing environmental sensor nodes include <a href="https://www.web3d.org/x3d/content/X3dTooltips.html#LoadSensor" target="X3dTooltips" title="X3D Tooltip">LoadSensor</a>, <a href="https://www.web3d.org/x3d/content/X3dTooltips.html#ProximitySensor" target="X3dTooltips" title="X3D Tooltip">ProximitySensor</a>, and <a href="https://www.web3d.org/x3d/content/X3dTooltips.html#VisibilitySensor" target="X3dTooltips" title="X3D Tooltip">VisibilitySensor</a>. Audio nodes include <a href="https://www.web3d.org/x3d/content/X3dTooltips.html#Sound" target="X3dTooltips" title="X3D Tooltip">Sound</a> for aural spatialization and <a href="https://www.web3d.org/x3d/content/X3dTooltips.html#AudioClip" target="X3dTooltips" title="X3D Tooltip">AudioClip</a> for identifying sound files. <a href="https://www.web3d.org/x3d/content/X3dTooltips.html#MovieTexture" target="X3dTooltips" title="X3D Tooltip">MovieTexture</a> nodes can also be used as an audio soundtrack source. </p> <p> Relevant <a href="https://www.web3d.org/files/specifications/19775-1/V3.3/Part01/Architecture.html" target="X3dSpecification">X3D Specification</a> resources include the <a href="https://www.web3d.org/files/specifications/19775-1/V3.3/Part01/components/envsensor.html" target="X3dSpecification">Environmental sensor component</a>, <a href="https://www.web3d.org/files/specifications/19775-1/V3.3/Part01/components/sound.html" target="X3dSpecification">Sound component</a> and <a href="https://www.web3d.org/files/specifications/19775-1/V3.3/Part01/components/texturing.html" target="X3dSpecification">Texturing component</a>. </p> <p> The supporting <a href="https://x3dGraphics.com/slidesets/X3dForWebAuthors/Chapter12EnvironmentSensorSound.pdf" target="X3dChapterSlideset">Chapter&nbsp;12 slideset</a> and course videos (<a href="https://www.movesinstitute.org/Video/Courses/X3dForWebAuthors/X3dForWebAuthorsVideo.html#12" target="X3dChapterVideos">NPS</a>, <a href="https://www.youtube.com/playlist?list=PLuSIsM-86sinCRRshWpzgr335AiO1Whp2" target="X3dChapterYouTubeVideos">YouTube</a>) for <i>X3D for Web Authors</i> are available online via <a href="https://x3dGraphics.com" target="_blank">X3dGraphics.com</a>. </p> <p> Also available: <a href="https://www.web3d.org/x3d/content/examples/X3dSceneAuthoringHints.html#Images" target="_blank">X3D Scene Authoring Hints</a> for <a href="https://www.web3d.org/x3d/content/examples/X3dSceneAuthoringHints.html#Audio" target="_blank">Audio</a> and <a href="https://www.web3d.org/x3d/content/examples/X3dSceneAuthoringHints.html#urls" target="_blank">URL&nbsp;Links</a>. </p> </td> <td align="left" rowspan="3"> <a href="index.html"><img alt="Sound node coverage visualization" title="Sound node coverage visualization" border="0" hspace="10" src="SoundVisualization.png" width="170" height="132" align="middle"/></a> </td> </tr> </tbody> </table> <p> </p> <p> </p>