material-maker/addons/material_maker/doc/node_3d_sdf.rst

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3D signed distance function geometry nodes
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
The signed distance function nodes can be used to define complex 3D geometry using simple
shapes.
They are based on a very small set of basic shapes, that can be combined using operators,
and finally output as a greyscale heightmap and a color normal map using the **render** node.
Describing 3D objects using SDF primitives is more difficult than using existing meshes, but this
method integrates smoothly with shader generation, and (as many nodes in Material Maker) is
resolution independant.
All output samples shown in this section are preview images.
All Signed Distance Functions nodes are based on code written by Inigo Quilez that can be found
`on this page`__.
.. _sdf3dpage: https://www.iquilezles.org/www/articles/distfunctions/distfunctions.htm
__ sdf3dpage_
.. toctree::
:maxdepth: 1
node_3d_sdf_render
Shapes
++++++
.. toctree::
:maxdepth: 1
node_3d_sdf_shapes_sphere
node_3d_sdf_shapes_box
node_3d_sdf_shapes_cylinder
node_3d_sdf_shapes_capsule
node_3d_sdf_shapes_cone
node_3d_sdf_shapes_torus
Operators
+++++++++
.. toctree::
:maxdepth: 1
node_3d_sdf_operators_boolean
node_3d_sdf_operators_smoothboolean
node_3d_sdf_operators_rounded
node_3d_sdf_operators_repeat
node_3d_sdf_operators_circlerepeat
node_3d_sdf_operators_extrusion
node_3d_sdf_operators_revolution
Transforms
++++++++++
.. toctree::
:maxdepth: 1
node_3d_sdf_transforms_translate
node_3d_sdf_transforms_scale
node_3d_sdf_transforms_rotate
Example images
++++++++++++++
.. image:: images/node_sdf3d_samples.png
:align: center