Swirl node
~~~~~~~~~~

The **Swirl** node is variadic and applies a swirl effect on its inputs.

.. image:: images/node_transform_swirl.png
	:align: center

Inputs
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The **Swirl** node accepts one or more RGBA inputs, interpreted as a heightmap.

Outputs
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The **Swirl** node outputs the transformed images as RGBA.

Parameters
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The **Swirl** node has 3 parameters:

* the coordinates of the center of the effect.

* the *Angle* of the swirl effect.

* the *Radius* of the swirl effect.

* an option to make the effect tileable.

Example images
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.. image:: images/node_swirl_samples.png
	:align: center
