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612 lines
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ReStructuredText
612 lines
31 KiB
ReStructuredText
:github_url: hide
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.. DO NOT EDIT THIS FILE!!!
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.. Generated automatically from Godot engine sources.
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.. Generator: https://github.com/godotengine/godot/tree/4.3/doc/tools/make_rst.py.
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.. XML source: https://github.com/godotengine/godot/tree/4.3/doc/classes/VisualShader.xml.
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.. _class_VisualShader:
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VisualShader
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============
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**Inherits:** :ref:`Shader<class_Shader>` **<** :ref:`Resource<class_Resource>` **<** :ref:`RefCounted<class_RefCounted>` **<** :ref:`Object<class_Object>`
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A custom shader program with a visual editor.
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.. rst-class:: classref-introduction-group
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Description
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-----------
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This class provides a graph-like visual editor for creating a :ref:`Shader<class_Shader>`. Although **VisualShader**\ s do not require coding, they share the same logic with script shaders. They use :ref:`VisualShaderNode<class_VisualShaderNode>`\ s that can be connected to each other to control the flow of the shader. The visual shader graph is converted to a script shader behind the scenes.
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.. rst-class:: classref-introduction-group
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Tutorials
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---------
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- :doc:`Using VisualShaders <../tutorials/shaders/visual_shaders>`
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.. rst-class:: classref-reftable-group
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Properties
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----------
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.. table::
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:widths: auto
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+-------------------------------+---------------------------------------------------------------+-------------------+
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| :ref:`Vector2<class_Vector2>` | :ref:`graph_offset<class_VisualShader_property_graph_offset>` | ``Vector2(0, 0)`` |
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+-------------------------------+---------------------------------------------------------------+-------------------+
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.. rst-class:: classref-reftable-group
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Methods
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-------
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.. table::
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:widths: auto
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+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| |void| | :ref:`add_node<class_VisualShader_method_add_node>`\ (\ type\: :ref:`Type<enum_VisualShader_Type>`, node\: :ref:`VisualShaderNode<class_VisualShaderNode>`, position\: :ref:`Vector2<class_Vector2>`, id\: :ref:`int<class_int>`\ ) |
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+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| |void| | :ref:`add_varying<class_VisualShader_method_add_varying>`\ (\ name\: :ref:`String<class_String>`, mode\: :ref:`VaryingMode<enum_VisualShader_VaryingMode>`, type\: :ref:`VaryingType<enum_VisualShader_VaryingType>`\ ) |
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+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| |void| | :ref:`attach_node_to_frame<class_VisualShader_method_attach_node_to_frame>`\ (\ type\: :ref:`Type<enum_VisualShader_Type>`, id\: :ref:`int<class_int>`, frame\: :ref:`int<class_int>`\ ) |
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+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`bool<class_bool>` | :ref:`can_connect_nodes<class_VisualShader_method_can_connect_nodes>`\ (\ type\: :ref:`Type<enum_VisualShader_Type>`, from_node\: :ref:`int<class_int>`, from_port\: :ref:`int<class_int>`, to_node\: :ref:`int<class_int>`, to_port\: :ref:`int<class_int>`\ ) |const| |
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+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`Error<enum_@GlobalScope_Error>` | :ref:`connect_nodes<class_VisualShader_method_connect_nodes>`\ (\ type\: :ref:`Type<enum_VisualShader_Type>`, from_node\: :ref:`int<class_int>`, from_port\: :ref:`int<class_int>`, to_node\: :ref:`int<class_int>`, to_port\: :ref:`int<class_int>`\ ) |
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+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| |void| | :ref:`connect_nodes_forced<class_VisualShader_method_connect_nodes_forced>`\ (\ type\: :ref:`Type<enum_VisualShader_Type>`, from_node\: :ref:`int<class_int>`, from_port\: :ref:`int<class_int>`, to_node\: :ref:`int<class_int>`, to_port\: :ref:`int<class_int>`\ ) |
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+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| |void| | :ref:`detach_node_from_frame<class_VisualShader_method_detach_node_from_frame>`\ (\ type\: :ref:`Type<enum_VisualShader_Type>`, id\: :ref:`int<class_int>`\ ) |
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+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| |void| | :ref:`disconnect_nodes<class_VisualShader_method_disconnect_nodes>`\ (\ type\: :ref:`Type<enum_VisualShader_Type>`, from_node\: :ref:`int<class_int>`, from_port\: :ref:`int<class_int>`, to_node\: :ref:`int<class_int>`, to_port\: :ref:`int<class_int>`\ ) |
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+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`VisualShaderNode<class_VisualShaderNode>` | :ref:`get_node<class_VisualShader_method_get_node>`\ (\ type\: :ref:`Type<enum_VisualShader_Type>`, id\: :ref:`int<class_int>`\ ) |const| |
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+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`Array<class_Array>`\[:ref:`Dictionary<class_Dictionary>`\] | :ref:`get_node_connections<class_VisualShader_method_get_node_connections>`\ (\ type\: :ref:`Type<enum_VisualShader_Type>`\ ) |const| |
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+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`PackedInt32Array<class_PackedInt32Array>` | :ref:`get_node_list<class_VisualShader_method_get_node_list>`\ (\ type\: :ref:`Type<enum_VisualShader_Type>`\ ) |const| |
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+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`Vector2<class_Vector2>` | :ref:`get_node_position<class_VisualShader_method_get_node_position>`\ (\ type\: :ref:`Type<enum_VisualShader_Type>`, id\: :ref:`int<class_int>`\ ) |const| |
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+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`int<class_int>` | :ref:`get_valid_node_id<class_VisualShader_method_get_valid_node_id>`\ (\ type\: :ref:`Type<enum_VisualShader_Type>`\ ) |const| |
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+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`bool<class_bool>` | :ref:`has_varying<class_VisualShader_method_has_varying>`\ (\ name\: :ref:`String<class_String>`\ ) |const| |
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+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| :ref:`bool<class_bool>` | :ref:`is_node_connection<class_VisualShader_method_is_node_connection>`\ (\ type\: :ref:`Type<enum_VisualShader_Type>`, from_node\: :ref:`int<class_int>`, from_port\: :ref:`int<class_int>`, to_node\: :ref:`int<class_int>`, to_port\: :ref:`int<class_int>`\ ) |const| |
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+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| |void| | :ref:`remove_node<class_VisualShader_method_remove_node>`\ (\ type\: :ref:`Type<enum_VisualShader_Type>`, id\: :ref:`int<class_int>`\ ) |
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+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| |void| | :ref:`remove_varying<class_VisualShader_method_remove_varying>`\ (\ name\: :ref:`String<class_String>`\ ) |
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+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| |void| | :ref:`replace_node<class_VisualShader_method_replace_node>`\ (\ type\: :ref:`Type<enum_VisualShader_Type>`, id\: :ref:`int<class_int>`, new_class\: :ref:`StringName<class_StringName>`\ ) |
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+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| |void| | :ref:`set_mode<class_VisualShader_method_set_mode>`\ (\ mode\: :ref:`Mode<enum_Shader_Mode>`\ ) |
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+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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| |void| | :ref:`set_node_position<class_VisualShader_method_set_node_position>`\ (\ type\: :ref:`Type<enum_VisualShader_Type>`, id\: :ref:`int<class_int>`, position\: :ref:`Vector2<class_Vector2>`\ ) |
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+------------------------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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.. rst-class:: classref-section-separator
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----
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.. rst-class:: classref-descriptions-group
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Enumerations
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------------
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.. _enum_VisualShader_Type:
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.. rst-class:: classref-enumeration
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enum **Type**: :ref:`🔗<enum_VisualShader_Type>`
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.. _class_VisualShader_constant_TYPE_VERTEX:
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.. rst-class:: classref-enumeration-constant
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:ref:`Type<enum_VisualShader_Type>` **TYPE_VERTEX** = ``0``
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A vertex shader, operating on vertices.
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.. _class_VisualShader_constant_TYPE_FRAGMENT:
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.. rst-class:: classref-enumeration-constant
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:ref:`Type<enum_VisualShader_Type>` **TYPE_FRAGMENT** = ``1``
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A fragment shader, operating on fragments (pixels).
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.. _class_VisualShader_constant_TYPE_LIGHT:
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.. rst-class:: classref-enumeration-constant
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:ref:`Type<enum_VisualShader_Type>` **TYPE_LIGHT** = ``2``
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A shader for light calculations.
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.. _class_VisualShader_constant_TYPE_START:
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.. rst-class:: classref-enumeration-constant
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:ref:`Type<enum_VisualShader_Type>` **TYPE_START** = ``3``
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A function for the "start" stage of particle shader.
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.. _class_VisualShader_constant_TYPE_PROCESS:
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.. rst-class:: classref-enumeration-constant
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:ref:`Type<enum_VisualShader_Type>` **TYPE_PROCESS** = ``4``
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A function for the "process" stage of particle shader.
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.. _class_VisualShader_constant_TYPE_COLLIDE:
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.. rst-class:: classref-enumeration-constant
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:ref:`Type<enum_VisualShader_Type>` **TYPE_COLLIDE** = ``5``
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A function for the "collide" stage (particle collision handler) of particle shader.
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.. _class_VisualShader_constant_TYPE_START_CUSTOM:
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.. rst-class:: classref-enumeration-constant
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:ref:`Type<enum_VisualShader_Type>` **TYPE_START_CUSTOM** = ``6``
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A function for the "start" stage of particle shader, with customized output.
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.. _class_VisualShader_constant_TYPE_PROCESS_CUSTOM:
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.. rst-class:: classref-enumeration-constant
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:ref:`Type<enum_VisualShader_Type>` **TYPE_PROCESS_CUSTOM** = ``7``
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A function for the "process" stage of particle shader, with customized output.
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.. _class_VisualShader_constant_TYPE_SKY:
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.. rst-class:: classref-enumeration-constant
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:ref:`Type<enum_VisualShader_Type>` **TYPE_SKY** = ``8``
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A shader for 3D environment's sky.
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.. _class_VisualShader_constant_TYPE_FOG:
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.. rst-class:: classref-enumeration-constant
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:ref:`Type<enum_VisualShader_Type>` **TYPE_FOG** = ``9``
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A compute shader that runs for each froxel of the volumetric fog map.
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.. _class_VisualShader_constant_TYPE_MAX:
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.. rst-class:: classref-enumeration-constant
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:ref:`Type<enum_VisualShader_Type>` **TYPE_MAX** = ``10``
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Represents the size of the :ref:`Type<enum_VisualShader_Type>` enum.
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.. rst-class:: classref-item-separator
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----
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.. _enum_VisualShader_VaryingMode:
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.. rst-class:: classref-enumeration
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enum **VaryingMode**: :ref:`🔗<enum_VisualShader_VaryingMode>`
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.. _class_VisualShader_constant_VARYING_MODE_VERTEX_TO_FRAG_LIGHT:
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.. rst-class:: classref-enumeration-constant
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:ref:`VaryingMode<enum_VisualShader_VaryingMode>` **VARYING_MODE_VERTEX_TO_FRAG_LIGHT** = ``0``
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Varying is passed from ``Vertex`` function to ``Fragment`` and ``Light`` functions.
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.. _class_VisualShader_constant_VARYING_MODE_FRAG_TO_LIGHT:
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.. rst-class:: classref-enumeration-constant
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:ref:`VaryingMode<enum_VisualShader_VaryingMode>` **VARYING_MODE_FRAG_TO_LIGHT** = ``1``
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Varying is passed from ``Fragment`` function to ``Light`` function.
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.. _class_VisualShader_constant_VARYING_MODE_MAX:
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.. rst-class:: classref-enumeration-constant
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:ref:`VaryingMode<enum_VisualShader_VaryingMode>` **VARYING_MODE_MAX** = ``2``
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Represents the size of the :ref:`VaryingMode<enum_VisualShader_VaryingMode>` enum.
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.. rst-class:: classref-item-separator
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----
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.. _enum_VisualShader_VaryingType:
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.. rst-class:: classref-enumeration
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enum **VaryingType**: :ref:`🔗<enum_VisualShader_VaryingType>`
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.. _class_VisualShader_constant_VARYING_TYPE_FLOAT:
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.. rst-class:: classref-enumeration-constant
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:ref:`VaryingType<enum_VisualShader_VaryingType>` **VARYING_TYPE_FLOAT** = ``0``
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Varying is of type :ref:`float<class_float>`.
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.. _class_VisualShader_constant_VARYING_TYPE_INT:
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.. rst-class:: classref-enumeration-constant
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:ref:`VaryingType<enum_VisualShader_VaryingType>` **VARYING_TYPE_INT** = ``1``
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Varying is of type :ref:`int<class_int>`.
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.. _class_VisualShader_constant_VARYING_TYPE_UINT:
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.. rst-class:: classref-enumeration-constant
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:ref:`VaryingType<enum_VisualShader_VaryingType>` **VARYING_TYPE_UINT** = ``2``
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Varying is of type unsigned :ref:`int<class_int>`.
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.. _class_VisualShader_constant_VARYING_TYPE_VECTOR_2D:
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.. rst-class:: classref-enumeration-constant
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:ref:`VaryingType<enum_VisualShader_VaryingType>` **VARYING_TYPE_VECTOR_2D** = ``3``
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Varying is of type :ref:`Vector2<class_Vector2>`.
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.. _class_VisualShader_constant_VARYING_TYPE_VECTOR_3D:
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.. rst-class:: classref-enumeration-constant
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:ref:`VaryingType<enum_VisualShader_VaryingType>` **VARYING_TYPE_VECTOR_3D** = ``4``
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Varying is of type :ref:`Vector3<class_Vector3>`.
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.. _class_VisualShader_constant_VARYING_TYPE_VECTOR_4D:
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.. rst-class:: classref-enumeration-constant
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:ref:`VaryingType<enum_VisualShader_VaryingType>` **VARYING_TYPE_VECTOR_4D** = ``5``
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Varying is of type :ref:`Vector4<class_Vector4>`.
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.. _class_VisualShader_constant_VARYING_TYPE_BOOLEAN:
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.. rst-class:: classref-enumeration-constant
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:ref:`VaryingType<enum_VisualShader_VaryingType>` **VARYING_TYPE_BOOLEAN** = ``6``
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Varying is of type :ref:`bool<class_bool>`.
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.. _class_VisualShader_constant_VARYING_TYPE_TRANSFORM:
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.. rst-class:: classref-enumeration-constant
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:ref:`VaryingType<enum_VisualShader_VaryingType>` **VARYING_TYPE_TRANSFORM** = ``7``
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Varying is of type :ref:`Transform3D<class_Transform3D>`.
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.. _class_VisualShader_constant_VARYING_TYPE_MAX:
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.. rst-class:: classref-enumeration-constant
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:ref:`VaryingType<enum_VisualShader_VaryingType>` **VARYING_TYPE_MAX** = ``8``
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Represents the size of the :ref:`VaryingType<enum_VisualShader_VaryingType>` enum.
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.. rst-class:: classref-section-separator
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----
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.. rst-class:: classref-descriptions-group
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Constants
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---------
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.. _class_VisualShader_constant_NODE_ID_INVALID:
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.. rst-class:: classref-constant
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**NODE_ID_INVALID** = ``-1`` :ref:`🔗<class_VisualShader_constant_NODE_ID_INVALID>`
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Indicates an invalid **VisualShader** node.
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.. _class_VisualShader_constant_NODE_ID_OUTPUT:
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.. rst-class:: classref-constant
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**NODE_ID_OUTPUT** = ``0`` :ref:`🔗<class_VisualShader_constant_NODE_ID_OUTPUT>`
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Indicates an output node of **VisualShader**.
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.. rst-class:: classref-section-separator
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----
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.. rst-class:: classref-descriptions-group
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Property Descriptions
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---------------------
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.. _class_VisualShader_property_graph_offset:
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.. rst-class:: classref-property
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:ref:`Vector2<class_Vector2>` **graph_offset** = ``Vector2(0, 0)`` :ref:`🔗<class_VisualShader_property_graph_offset>`
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.. rst-class:: classref-property-setget
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- |void| **set_graph_offset**\ (\ value\: :ref:`Vector2<class_Vector2>`\ )
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- :ref:`Vector2<class_Vector2>` **get_graph_offset**\ (\ )
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The offset vector of the whole graph.
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.. rst-class:: classref-section-separator
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----
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.. rst-class:: classref-descriptions-group
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Method Descriptions
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-------------------
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.. _class_VisualShader_method_add_node:
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.. rst-class:: classref-method
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|void| **add_node**\ (\ type\: :ref:`Type<enum_VisualShader_Type>`, node\: :ref:`VisualShaderNode<class_VisualShaderNode>`, position\: :ref:`Vector2<class_Vector2>`, id\: :ref:`int<class_int>`\ ) :ref:`🔗<class_VisualShader_method_add_node>`
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Adds the specified ``node`` to the shader.
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.. rst-class:: classref-item-separator
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----
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.. _class_VisualShader_method_add_varying:
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.. rst-class:: classref-method
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|void| **add_varying**\ (\ name\: :ref:`String<class_String>`, mode\: :ref:`VaryingMode<enum_VisualShader_VaryingMode>`, type\: :ref:`VaryingType<enum_VisualShader_VaryingType>`\ ) :ref:`🔗<class_VisualShader_method_add_varying>`
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Adds a new varying value node to the shader.
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.. rst-class:: classref-item-separator
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----
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.. _class_VisualShader_method_attach_node_to_frame:
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.. rst-class:: classref-method
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|void| **attach_node_to_frame**\ (\ type\: :ref:`Type<enum_VisualShader_Type>`, id\: :ref:`int<class_int>`, frame\: :ref:`int<class_int>`\ ) :ref:`🔗<class_VisualShader_method_attach_node_to_frame>`
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Attaches the given node to the given frame.
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.. rst-class:: classref-item-separator
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----
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.. _class_VisualShader_method_can_connect_nodes:
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.. rst-class:: classref-method
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:ref:`bool<class_bool>` **can_connect_nodes**\ (\ type\: :ref:`Type<enum_VisualShader_Type>`, from_node\: :ref:`int<class_int>`, from_port\: :ref:`int<class_int>`, to_node\: :ref:`int<class_int>`, to_port\: :ref:`int<class_int>`\ ) |const| :ref:`🔗<class_VisualShader_method_can_connect_nodes>`
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Returns ``true`` if the specified nodes and ports can be connected together.
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.. rst-class:: classref-item-separator
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----
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.. _class_VisualShader_method_connect_nodes:
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.. rst-class:: classref-method
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:ref:`Error<enum_@GlobalScope_Error>` **connect_nodes**\ (\ type\: :ref:`Type<enum_VisualShader_Type>`, from_node\: :ref:`int<class_int>`, from_port\: :ref:`int<class_int>`, to_node\: :ref:`int<class_int>`, to_port\: :ref:`int<class_int>`\ ) :ref:`🔗<class_VisualShader_method_connect_nodes>`
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Connects the specified nodes and ports.
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.. rst-class:: classref-item-separator
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----
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.. _class_VisualShader_method_connect_nodes_forced:
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.. rst-class:: classref-method
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|void| **connect_nodes_forced**\ (\ type\: :ref:`Type<enum_VisualShader_Type>`, from_node\: :ref:`int<class_int>`, from_port\: :ref:`int<class_int>`, to_node\: :ref:`int<class_int>`, to_port\: :ref:`int<class_int>`\ ) :ref:`🔗<class_VisualShader_method_connect_nodes_forced>`
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Connects the specified nodes and ports, even if they can't be connected. Such connection is invalid and will not function properly.
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.. rst-class:: classref-item-separator
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----
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.. _class_VisualShader_method_detach_node_from_frame:
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.. rst-class:: classref-method
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|void| **detach_node_from_frame**\ (\ type\: :ref:`Type<enum_VisualShader_Type>`, id\: :ref:`int<class_int>`\ ) :ref:`🔗<class_VisualShader_method_detach_node_from_frame>`
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Detaches the given node from the frame it is attached to.
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.. rst-class:: classref-item-separator
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----
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.. _class_VisualShader_method_disconnect_nodes:
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.. rst-class:: classref-method
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|void| **disconnect_nodes**\ (\ type\: :ref:`Type<enum_VisualShader_Type>`, from_node\: :ref:`int<class_int>`, from_port\: :ref:`int<class_int>`, to_node\: :ref:`int<class_int>`, to_port\: :ref:`int<class_int>`\ ) :ref:`🔗<class_VisualShader_method_disconnect_nodes>`
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Connects the specified nodes and ports.
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.. rst-class:: classref-item-separator
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----
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.. _class_VisualShader_method_get_node:
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.. rst-class:: classref-method
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:ref:`VisualShaderNode<class_VisualShaderNode>` **get_node**\ (\ type\: :ref:`Type<enum_VisualShader_Type>`, id\: :ref:`int<class_int>`\ ) |const| :ref:`🔗<class_VisualShader_method_get_node>`
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Returns the shader node instance with specified ``type`` and ``id``.
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.. rst-class:: classref-item-separator
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----
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.. _class_VisualShader_method_get_node_connections:
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.. rst-class:: classref-method
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:ref:`Array<class_Array>`\[:ref:`Dictionary<class_Dictionary>`\] **get_node_connections**\ (\ type\: :ref:`Type<enum_VisualShader_Type>`\ ) |const| :ref:`🔗<class_VisualShader_method_get_node_connections>`
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Returns the list of connected nodes with the specified type.
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.. rst-class:: classref-item-separator
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----
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.. _class_VisualShader_method_get_node_list:
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.. rst-class:: classref-method
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:ref:`PackedInt32Array<class_PackedInt32Array>` **get_node_list**\ (\ type\: :ref:`Type<enum_VisualShader_Type>`\ ) |const| :ref:`🔗<class_VisualShader_method_get_node_list>`
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Returns the list of all nodes in the shader with the specified type.
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.. rst-class:: classref-item-separator
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----
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.. _class_VisualShader_method_get_node_position:
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.. rst-class:: classref-method
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:ref:`Vector2<class_Vector2>` **get_node_position**\ (\ type\: :ref:`Type<enum_VisualShader_Type>`, id\: :ref:`int<class_int>`\ ) |const| :ref:`🔗<class_VisualShader_method_get_node_position>`
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Returns the position of the specified node within the shader graph.
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.. rst-class:: classref-item-separator
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----
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.. _class_VisualShader_method_get_valid_node_id:
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.. rst-class:: classref-method
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:ref:`int<class_int>` **get_valid_node_id**\ (\ type\: :ref:`Type<enum_VisualShader_Type>`\ ) |const| :ref:`🔗<class_VisualShader_method_get_valid_node_id>`
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Returns next valid node ID that can be added to the shader graph.
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.. rst-class:: classref-item-separator
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----
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.. _class_VisualShader_method_has_varying:
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.. rst-class:: classref-method
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:ref:`bool<class_bool>` **has_varying**\ (\ name\: :ref:`String<class_String>`\ ) |const| :ref:`🔗<class_VisualShader_method_has_varying>`
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Returns ``true`` if the shader has a varying with the given ``name``.
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.. rst-class:: classref-item-separator
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----
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.. _class_VisualShader_method_is_node_connection:
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.. rst-class:: classref-method
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:ref:`bool<class_bool>` **is_node_connection**\ (\ type\: :ref:`Type<enum_VisualShader_Type>`, from_node\: :ref:`int<class_int>`, from_port\: :ref:`int<class_int>`, to_node\: :ref:`int<class_int>`, to_port\: :ref:`int<class_int>`\ ) |const| :ref:`🔗<class_VisualShader_method_is_node_connection>`
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Returns ``true`` if the specified node and port connection exist.
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.. rst-class:: classref-item-separator
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----
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.. _class_VisualShader_method_remove_node:
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.. rst-class:: classref-method
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|void| **remove_node**\ (\ type\: :ref:`Type<enum_VisualShader_Type>`, id\: :ref:`int<class_int>`\ ) :ref:`🔗<class_VisualShader_method_remove_node>`
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Removes the specified node from the shader.
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.. rst-class:: classref-item-separator
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----
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.. _class_VisualShader_method_remove_varying:
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.. rst-class:: classref-method
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|void| **remove_varying**\ (\ name\: :ref:`String<class_String>`\ ) :ref:`🔗<class_VisualShader_method_remove_varying>`
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Removes a varying value node with the given ``name``. Prints an error if a node with this name is not found.
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.. rst-class:: classref-item-separator
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----
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.. _class_VisualShader_method_replace_node:
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.. rst-class:: classref-method
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|void| **replace_node**\ (\ type\: :ref:`Type<enum_VisualShader_Type>`, id\: :ref:`int<class_int>`, new_class\: :ref:`StringName<class_StringName>`\ ) :ref:`🔗<class_VisualShader_method_replace_node>`
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Replaces the specified node with a node of new class type.
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.. rst-class:: classref-item-separator
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----
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.. _class_VisualShader_method_set_mode:
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.. rst-class:: classref-method
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|void| **set_mode**\ (\ mode\: :ref:`Mode<enum_Shader_Mode>`\ ) :ref:`🔗<class_VisualShader_method_set_mode>`
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Sets the mode of this shader.
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.. rst-class:: classref-item-separator
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----
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.. _class_VisualShader_method_set_node_position:
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.. rst-class:: classref-method
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|void| **set_node_position**\ (\ type\: :ref:`Type<enum_VisualShader_Type>`, id\: :ref:`int<class_int>`, position\: :ref:`Vector2<class_Vector2>`\ ) :ref:`🔗<class_VisualShader_method_set_node_position>`
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Sets the position of the specified node.
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.. |virtual| replace:: :abbr:`virtual (This method should typically be overridden by the user to have any effect.)`
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.. |const| replace:: :abbr:`const (This method has no side effects. It doesn't modify any of the instance's member variables.)`
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.. |vararg| replace:: :abbr:`vararg (This method accepts any number of arguments after the ones described here.)`
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.. |constructor| replace:: :abbr:`constructor (This method is used to construct a type.)`
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.. |static| replace:: :abbr:`static (This method doesn't need an instance to be called, so it can be called directly using the class name.)`
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.. |operator| replace:: :abbr:`operator (This method describes a valid operator to use with this type as left-hand operand.)`
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.. |bitfield| replace:: :abbr:`BitField (This value is an integer composed as a bitmask of the following flags.)`
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.. |void| replace:: :abbr:`void (No return value.)`
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