Apply motion blur to a mask

Motion blur creates a blur based on the movement of a mask in the composition. You can apply motion blur to individual masks. Within each composition, the Enable Motion Blur composition switch must be selected for any layer or any mask within a layer to exhibit motion blur.

Motion blur settings for a layer and a composition

A.: Enable Motion Blur composition switch
B.: Motion Blur layer switch

Select one or more masks.
Choose Layer > Masks > Motion Blur, and choose one of the following options:
Same As Layer

The mask will have motion blur only if the Motion Blur switch is selected for the layer.
On

The mask will have motion blur regardless of the setting of the Motion Blur switch for the layer.
Off

The mask will not have motion blur.