Titania X3D Editor

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Titania v3.0.4

It starts with you!

X3D Reference



EaseInEaseOut enables gradual animation transitions by modifying TimeSensor fraction outputs. Output values are modified fractions that can be ROUTEd to an interpolator, a sequencer, or another SFFloat attribute.

The EaseInEaseOut node belongs to the Interpolation component and its container field is children. It is available since X3D version 3.2 or later.



SFNode [in, out] metadata NULL [X3DMetadataObject]

Metadata are not part of the X3D world and not interpreted by the X3D browser, but they can be accessed via the ECMAScript interface.

SFFloat [in] set_fraction (-∞,∞)

Set_fraction selects input fraction for computation of corresponding easeInEaseOut output value, modifiedFraction_changed.

MFFloat [in, out] key [ ] (-∞,∞)

Definition parameters for linear-interpolation function time intervals, in increasing order and corresponding to easeInEaseOut array.


Number of keys must be one more than the number of easeInEaseOut values!

MFVec2f [in, out] easeInEaseOut [ ] (-∞,∞)

Array of paired values for easeOut fraction and easeIn fraction within each key interval.


Number of easeInEaseOut values must be one less than the number of keys.

SFFloat [out] modifiedFraction_changed

Interpolated output value determined by current key time, corresponding easeInEaseOut smoothing intervals, and corresponding key pair.



  • Typical input connection is ROUTE someTimeSensorDEF.fraction_changed TO thisEaseInEaseOutDEF.set_fraction
  • Typical output connection is ROUTE thisEaseInEaseOutDEF.modifiedFraction_changed TO someDestinationNodeDEF.set_fraction.
  • Include <component name='Interpolation' level='3'/>

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