Titania X3D Editor

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Titania v4.6.10

Bring Colours to Your Life.

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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