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Add examples for Ray Portal BSDF #104813

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Brecht Van Lommel merged 4 commits from Alaska/blender-manual:ray-portal-example into blender-v4.2-release 2024-06-06 14:48:20 +02:00
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manual/render/shader_nodes/shader/ray_portal.rst
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@ -58,41 +58,42 @@ One use case for the *Ray Portal BSDF* is to connect two spaces together to
create effects like a portal to an alternative dimension, or "impossible spaces" create effects like a portal to an alternative dimension, or "impossible spaces"
where something is bigger or smaller on the inside than expected. where something is bigger or smaller on the inside than expected.
.. figure:: /images/render_shader-nodes_ray-portal-bsdf_gateway-example.jpg
:width: 760px
To set up a *Ray Portal BSDF* for a technique like this, augment the To set up a *Ray Portal BSDF* for a technique like this, augment the
*Position* and *Incoming* outputs of the *Position* and *Incoming* outputs of the
:doc:`Geometry node </render/shader_nodes/input/geometry>` to set the exit point :doc:`Geometry node </render/shader_nodes/input/geometry>` to set the exit point
and direction of the ray through the portal. Here is an example node setup: and direction of the ray through the portal. Here are some examples:
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Brecht Van Lommel commented 2024-06-06 13:15:09 +02:00
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setup -> set up

you should argument -> augment

setup -> set up you should argument -> augment
.. list-table:: Simple Offset
-------------
.. figure:: /images/render_shader-nodes_ray-portal-bsdf_simple-ray-offset-nodes.jpg
* - .. figure:: /images/render_shader-nodes_ray-portal-bsdf_simple-ray-offset-nodes.jpg
:width: 320px
This simple node setup offsets the ray position. This simple node setup offsets the ray position.
In this example, the ray is offset 0 units along the X axis, In this example, the ray is offset 0 units along the X axis,
4 units along the Y axis, and 5 units along the Z axis. 4 units along the Y axis, and 5 units along the Z axis.
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Brecht Van Lommel commented 2024-06-06 13:15:27 +02:00
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is used for offsetting -> offsets

is used for offsetting -> offsets
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Brecht Van Lommel commented 2024-06-06 13:15:47 +02:00
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the ray 0 units -> the ray is offset 0 units

the ray 0 units -> the ray is offset 0 units
- .. figure:: /images/render_shader-nodes_ray-portal-bsdf_ray-augmentation-nodes.jpg Portal
:width: 320px ------
.. figure:: /images/render_shader-nodes_ray-portal-bsdf_gateway-example.jpg
.. figure:: /images/render_shader-nodes_ray-portal-bsdf_ray-augmentation-nodes.jpg
In this example, the *Location of Portal Target* and *Rotation of Portal Target* In this example, the *Location of Portal Target* and *Rotation of Portal Target*
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Brecht Van Lommel commented 2024-06-06 13:16:19 +02:00
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Drivers</ -> Drivers </

`Drivers</` -> `Drivers </`
vectors are obtained from a target portal object using vectors are obtained from a target portal object using
:doc:`Drivers </animation/drivers/introduction>`. :doc:`Drivers </animation/drivers/introduction>`.
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Brecht Van Lommel commented 2024-06-06 13:16:59 +02:00
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allowing the creation of -> for

allowing the creation of -> for
Camera Feed
-----------
Along with augmenting rays, the ray position and ray direction can be replaced, Along with augmenting rays, the ray position and ray direction can be replaced,
For effects like a camera feed on a screen. for effects like a camera feed on a screen.
.. list-table:: .. figure:: /images/render_shader-nodes_ray-portal-bsdf_portal-to-screen-example.jpg
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Brecht Van Lommel commented 2024-06-06 13:17:12 +02:00
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Using -> Using the

Using -> Using the
* - .. figure:: /images/render_shader-nodes_ray-portal-bsdf_portal-to-screen-example.jpg
:width: 320px
Using the Ray Portal BSDF to replicate the effect of a camera feed on a screen. Using the Ray Portal BSDF to replicate the effect of a camera feed on a screen.
- .. figure:: /images/render_shader-nodes_ray-portal-bsdf_portal-to-screen-nodes.jpg .. figure:: /images/render_shader-nodes_ray-portal-bsdf_portal-to-screen-nodes.jpg
:width: 320px
Node setup for replicating a camera feed like effect on a screen. Node setup for replicating a camera feed like effect on a screen.