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godot-docs/classes/class_visualshadernodeglobalexpression.rst
2020-01-28 22:51:12 +01:00

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.. Generated automatically by doc/tools/makerst.py in Godot's source tree.
.. DO NOT EDIT THIS FILE, but the VisualShaderNodeGlobalExpression.xml source instead.
.. The source is found in doc/classes or modules/<name>/doc_classes.
.. _class_VisualShaderNodeGlobalExpression:
VisualShaderNodeGlobalExpression
================================
**Inherits:** :ref:`VisualShaderNodeExpression<class_VisualShaderNodeExpression>` **<** :ref:`VisualShaderNodeGroupBase<class_VisualShaderNodeGroupBase>` **<** :ref:`VisualShaderNode<class_VisualShaderNode>` **<** :ref:`Resource<class_Resource>` **<** :ref:`Reference<class_Reference>` **<** :ref:`Object<class_Object>`
A custom global visual shader graph expression written in Godot Shading Language.
Description
-----------
Custom Godot Shader Language expression, which is placed on top of the generated shader. You can place various function definitions inside to call later in :ref:`VisualShaderNodeExpression<class_VisualShaderNodeExpression>`\ s (which are injected in the main shader functions). You can also declare varyings, uniforms and global constants.