godot-docs/classes/class_pointmesh.rst

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.. _class_PointMesh:

PointMesh
=========

**Inherits:** :ref:`PrimitiveMesh<class_PrimitiveMesh>` **<** :ref:`Mesh<class_Mesh>` **<** :ref:`Resource<class_Resource>` **<** :ref:`RefCounted<class_RefCounted>` **<** :ref:`Object<class_Object>`

Mesh with a single Point primitive.

.. rst-class:: classref-introduction-group

Description
-----------

The PointMesh is made from a single point. Instead of relying on triangles, points are rendered as a single rectangle on the screen with a constant size. They are intended to be used with Particle systems, but can be used as a cheap way to render constant size billboarded sprites (for example in a point cloud).

PointMeshes, must be used with a material that has a point size. Point size can be accessed in a shader with ``POINT_SIZE``, or in a :ref:`BaseMaterial3D<class_BaseMaterial3D>` by setting :ref:`BaseMaterial3D.use_point_size<class_BaseMaterial3D_property_use_point_size>` and the variable :ref:`BaseMaterial3D.point_size<class_BaseMaterial3D_property_point_size>`.

When using PointMeshes, properties that normally alter vertices will be ignored, including billboard mode, grow, and cull face.

.. |virtual| replace:: :abbr:`virtual (This method should typically be overridden by the user to have any effect.)`
.. |const| replace:: :abbr:`const (This method has no side effects. It doesn't modify any of the instance's member variables.)`
.. |vararg| replace:: :abbr:`vararg (This method accepts any number of arguments after the ones described here.)`
.. |constructor| replace:: :abbr:`constructor (This method is used to construct a type.)`
.. |static| replace:: :abbr:`static (This method doesn't need an instance to be called, so it can be called directly using the class name.)`
.. |operator| replace:: :abbr:`operator (This method describes a valid operator to use with this type as left-hand operand.)`
.. |bitfield| replace:: :abbr:`BitField (This value is an integer composed as a bitmask of the following flags.)`
.. |void| replace:: :abbr:`void (No return value.)`