Advanced 3D tween

Smoothly squash, strentch, tint and wobble 3D models.

Authors and contributors to this community extension: D8H, Jurfix.

Warning

This is an extension made by a community member — but not reviewed by the GDevelop extension team. As such, we can't guarantee it meets all the quality standards of official extensions. In case of doubt, contact the author to know more about what the extension does or inspect its content before using it.

Change 3D models proportions over time to make smooth animations like wobbling.

It's used in this example:

a 3D Bomberman-like game (open the project online)

Breaking changes of 0.1.0:

The Tween behavior is now required by the 3D Tween behavior. Add the Tween behavior on any object that uses the 3D Tween behavior

Tip

Learn how to install new extensions by following a step-by-step guide.

Actions

Tint color
Change the tint of an object. The default color is white.

Advanced 3D tween

Smoothly squash, strentch and tint 3D models.

Behavior actions

Pause a tween
Pause the running tween animation.

Remove a tween
Remove the tween animation from the object.

Resume a tween
Resume the tween animation.

Scale volume
Change the scale volume.

Stretch on Y axis
Change the stretch on Y axis. The object volume is conserved. A stretch of 2 makes the object appear 2 times longer on Y in proportion to the dimensions on X and Z.

Stretch on Z axis
Change the stretch on Z axis. The object volume is conserved. A stretch of 2 makes the object appear 2 times longer on Z in proportion to the dimensions on X and Y.

Stop a tween
Stop the running tween animation.

Tween scale volume
Tweens an object scale volume from its current value to a new one. The scale volume can never be 0 or less.

Tween stretch Y
Tweens an object stretch Y from its current value to a new one. The stretch can never be 0 or less.

Tween stretch Z
Tweens an object stretch Z from its current value to a new one. The stretch can never be 0 or less.

Tween object color
Tweens the object color from its current value to a new one.

Behavior conditions

Tween exists
Check if the tween animation exists.

Tween finished playing
Check if the tween animation has finished playing.

Tween is playing
Check if the tween animation is currently playing.

Progress of a tween
Compare the progress of a tween (between 0.0 and 1.0).

Scale volume
Compare the scale volume.

Stretch on Y axis
Compare the stretch on Y axis. The object volume is conserved. A stretch of 2 makes the object appear 2 times longer on Y in proportion to the dimensions on X and Z.

Stretch on Z axis
Compare the stretch on Z axis. The object volume is conserved. A stretch of 2 makes the object appear 2 times longer on Z in proportion to the dimensions on X and Y.

Behavior expressions

Expression	Description
`Object.Tween3D::Progress()`	Return the progress of a tween (between 0.0 and 1.0).
`Object.Tween3D::ScaleVolume()`	Return the scale volume.
`Object.Tween3D::StretchY()`	Return the stretch on Y axis. The object volume is conserved. A stretch of 2 makes the object appear 2 times longer on Y in proportion to the dimensions on X and Z.
`Object.Tween3D::StretchZ()`	Return the stretch on Z axis. The object volume is conserved. A stretch of 2 makes the object appear 2 times longer on Z in proportion to the dimensions on X and Y.

3D wobble

Squash and stretch a 3D model in loop.

Behavior actions

Cycle duration
Change the cycle duration of the object.

Maximum scale volume
Change the maximum scale volume of the object.

Minimum scale volume
Change the minimum scale volume of the object.

Scale cycle offset
Change the scale cycle offset of the object.

Maximum stretch
Change the maximum stretch of the object.

Minimum stretch
Change the minimum stretch of the object.

Stretch cycle offset
Change the stretch cycle offset of the object.

Tween maximum scale volume
Tweens the maximum scale volume from its current value to a new one. The scale volume can never be 0 or less.

Tween minimum scale volume
Tweens the minimum scale volume from its current value to a new one. The scale volume can never be 0 or less.

Behavior conditions

Cycle duration
Compare the cycle duration of the object.

Maximum scale volume
Compare the maximum scale volume of the object.

Minimum scale volume
Compare the minimum scale volume of the object.

Scale cycle offset
Compare the scale cycle offset of the object.

Maximum stretch
Compare the maximum stretch of the object.

Minimum stretch
Compare the minimum stretch of the object.

Stretch cycle offset
Compare the stretch cycle offset of the object.

Behavior expressions

Expression	Description
`Object.Wobble::PeriodDuration()`	Return the cycle duration of the object.
`Object.Wobble::ScaleMax()`	Return the maximum scale volume of the object.
`Object.Wobble::ScaleMin()`	Return the minimum scale volume of the object.
`Object.Wobble::ScalePeriodOffset()`	Return the scale cycle offset of the object.
`Object.Wobble::StretchMax()`	Return the maximum stretch of the object.
`Object.Wobble::StretchMin()`	Return the minimum stretch of the object.
`Object.Wobble::StretchPeriodOffset()`	Return the stretch cycle offset of the object.

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