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Introduction to X3D Lesson 2: Animating Models and Adding Sound to Scenes

This lesson covers the basics of animating your models in X3D and incorporating sound into your scenes. Key topics include using the "Sound" node to add general background sounds like wind and animals, as well as localized sounds such as engines. You'll learn how to create sound triggers with the "AudioClip" node and manage sound playback using a "TouchSensor". Additionally, we explore routing for color changes and specify animation parameters through diverse interpolators, including position and orientation interpolators.

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Introduction to X3D Lesson 2: Animating Models and Adding Sound to Scenes

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  1. Lahti International Week 2006 Introduction to X3D Lesson 2: Animating your models

  2. Adding sound to your scene • “Sound” Node –location of the sound • General background sounds – wind, animals • Localised sounds – engine, • Currently not working! • “AudioClip” Node • Sound file • Continuous?

  3. Route node – TouchSensor node Route node AudioClip node

  4. “Click” to start a sound AudioClip DEF=“TheSound” url=“……” TouchSensor DEF =“TS” ROUTE fromNode="TS“ fromField="touchTime" toNode=“TheSound" toField="set_startTime"

  5. TimeSensor node Parameters: DEF: “TS” name for the sensor cycleInterval : 5 5 second cycle loop: true set to loop stopTime: -1 don’t stop Also: startTime: 10 time to start the cycle.

  6. ColorInterpolator node Parameters DEF: “CI” name of node key: 0, 0.5, 1 fractions of time cycle key_value: 1 0 0, colour at time 0 1 1 0, colour at time 0.5 1 0 0 colour at time 1

  7. Routing for changing colour TimeSensor Material Route Node Route Node ColorInterpolator

  8. Other interpolators • PositionInterpolator • Specify X Y Z for each key time • Orientation Interpolator • Specify rotation angles for each key time. • Scalar Interpolator • Change any single value

  9. Summary That completes the lesson on animation in X3d. We have had time to look only at some of the more common nodes in X3d Please email your best animation to: P.I.Wilson@wlv.ac.uk

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