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.. index:: Grease Pencil Visual Effects; Shadow Visual Effect
.. _bpy.types.ShaderFxShadow:
********************
Shadow Visual Effect
********************
The *Shadow* Visual Effect shows a simulated shadow casting by the object.
For simulating the shadow a color silhouette of the object is displaced in
horizontal and/or vertical direction on the back of the object.
Options
=======
.. figure:: /images/grease-pencil_visual-effects_shadow_panel.png
:align: right
Shadow Visual Effect.
Shadow Color
Defines the shadow color.
Offset X, Y
Control the shadow displacement in pixels on the X and Y axis.
Scale X, Y
Control the size of the shadow on the X and Y axis.
Rotation
Sets the shadow rotation around the Grease Pencil object center
or another object when *Use Object As Pivot* is enabled.
Object Pivot
When enabled, an *Object* is used by the shadow as the center of rotation.
Blur
----
Blur X, Z
Control the blur scale in pixels on the X and Z axis.
Samples
Number of blur samples (0 disabled the blur effect).
Wave Effect
-----------
When enabled, apply a wave distortion to the shadow.
Orientation
Sets horizontal or vertical direction for the waves.
Amplitude
Controls the strength and the depth of the wave.
Period
Controls the wave period. The time it takes to complete one cycle.
Phase
Shifts the wave pattern over the shadow.
Example
=======
.. list-table:: Shadow Effect samples.
* - .. figure:: /images/grease-pencil_visual-effects_shadow_simple.png
:width: 200px
Simple Shadow.
- .. figure:: /images/grease-pencil_visual-effects_shadow_blur.png
:width: 200px
Blurred Shadow.
- .. figure:: /images/grease-pencil_visual-effects_shadow_stretch.png
:width: 200px
Stretched shadow with an empty as center of rotation.
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