To add a Swirl node, right click in the Graph Editor and select Create Node > Mask Transformation > Swirl.
Select the node to open its parameters:
Use the sliders or the manipulators to adjust the swirl values.
Right-click to switch between the manipulators.
|Rotation angle||Rotation applied to the terrain in degrees (default value 30°).|
|Translation along the X axis||Translation of the rotation center along the X axis (by default 0, at the center of the terrain).|
|Translation along the Y axis||Translation of the rotation center along the Y axis (by default 0, at the center of the terrain).|
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