virtualx-engine-docs/_sources/classes/class_visualshadernodecompare.rst.txt

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.. _class_VisualShaderNodeCompare:

VisualShaderNodeCompare
=======================

**Inherits:** :ref:`VisualShaderNode<class_VisualShaderNode>` **<** :ref:`Resource<class_Resource>` **<** :ref:`Reference<class_Reference>` **<** :ref:`Object<class_Object>`

A comparison function for common types within the visual shader graph.

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

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

Compares ``a`` and ``b`` of :ref:`type<class_VisualShaderNodeCompare_property_type>` by :ref:`function<class_VisualShaderNodeCompare_property_function>`. Returns a boolean scalar. Translates to ``if`` instruction in shader code.

.. rst-class:: classref-reftable-group

Properties
----------

.. table::
   :widths: auto

   +--------------------------------------------------------------------+--------------------------------------------------------------------+-------+
   | :ref:`Condition<enum_VisualShaderNodeCompare_Condition>`           | :ref:`condition<class_VisualShaderNodeCompare_property_condition>` | ``0`` |
   +--------------------------------------------------------------------+--------------------------------------------------------------------+-------+
   | :ref:`Function<enum_VisualShaderNodeCompare_Function>`             | :ref:`function<class_VisualShaderNodeCompare_property_function>`   | ``0`` |
   +--------------------------------------------------------------------+--------------------------------------------------------------------+-------+
   | :ref:`ComparisonType<enum_VisualShaderNodeCompare_ComparisonType>` | :ref:`type<class_VisualShaderNodeCompare_property_type>`           | ``0`` |
   +--------------------------------------------------------------------+--------------------------------------------------------------------+-------+

.. rst-class:: classref-section-separator

----

.. rst-class:: classref-descriptions-group

Enumerations
------------

.. _enum_VisualShaderNodeCompare_ComparisonType:

.. rst-class:: classref-enumeration

enum **ComparisonType**:

.. _class_VisualShaderNodeCompare_constant_CTYPE_SCALAR:

.. rst-class:: classref-enumeration-constant

:ref:`ComparisonType<enum_VisualShaderNodeCompare_ComparisonType>` **CTYPE_SCALAR** = ``0``

A floating-point scalar.

.. _class_VisualShaderNodeCompare_constant_CTYPE_VECTOR:

.. rst-class:: classref-enumeration-constant

:ref:`ComparisonType<enum_VisualShaderNodeCompare_ComparisonType>` **CTYPE_VECTOR** = ``1``

A 3D vector type.

.. _class_VisualShaderNodeCompare_constant_CTYPE_BOOLEAN:

.. rst-class:: classref-enumeration-constant

:ref:`ComparisonType<enum_VisualShaderNodeCompare_ComparisonType>` **CTYPE_BOOLEAN** = ``2``

A boolean type.

.. _class_VisualShaderNodeCompare_constant_CTYPE_TRANSFORM:

.. rst-class:: classref-enumeration-constant

:ref:`ComparisonType<enum_VisualShaderNodeCompare_ComparisonType>` **CTYPE_TRANSFORM** = ``3``

A transform (``mat4``) type.

.. rst-class:: classref-item-separator

----

.. _enum_VisualShaderNodeCompare_Function:

.. rst-class:: classref-enumeration

enum **Function**:

.. _class_VisualShaderNodeCompare_constant_FUNC_EQUAL:

.. rst-class:: classref-enumeration-constant

:ref:`Function<enum_VisualShaderNodeCompare_Function>` **FUNC_EQUAL** = ``0``

Comparison for equality (``a == b``).

.. _class_VisualShaderNodeCompare_constant_FUNC_NOT_EQUAL:

.. rst-class:: classref-enumeration-constant

:ref:`Function<enum_VisualShaderNodeCompare_Function>` **FUNC_NOT_EQUAL** = ``1``

Comparison for inequality (``a != b``).

.. _class_VisualShaderNodeCompare_constant_FUNC_GREATER_THAN:

.. rst-class:: classref-enumeration-constant

:ref:`Function<enum_VisualShaderNodeCompare_Function>` **FUNC_GREATER_THAN** = ``2``

Comparison for greater than (``a > b``). Cannot be used if :ref:`type<class_VisualShaderNodeCompare_property_type>` set to :ref:`CTYPE_BOOLEAN<class_VisualShaderNodeCompare_constant_CTYPE_BOOLEAN>` or :ref:`CTYPE_TRANSFORM<class_VisualShaderNodeCompare_constant_CTYPE_TRANSFORM>`.

.. _class_VisualShaderNodeCompare_constant_FUNC_GREATER_THAN_EQUAL:

.. rst-class:: classref-enumeration-constant

:ref:`Function<enum_VisualShaderNodeCompare_Function>` **FUNC_GREATER_THAN_EQUAL** = ``3``

Comparison for greater than or equal (``a >= b``). Cannot be used if :ref:`type<class_VisualShaderNodeCompare_property_type>` set to :ref:`CTYPE_BOOLEAN<class_VisualShaderNodeCompare_constant_CTYPE_BOOLEAN>` or :ref:`CTYPE_TRANSFORM<class_VisualShaderNodeCompare_constant_CTYPE_TRANSFORM>`.

.. _class_VisualShaderNodeCompare_constant_FUNC_LESS_THAN:

.. rst-class:: classref-enumeration-constant

:ref:`Function<enum_VisualShaderNodeCompare_Function>` **FUNC_LESS_THAN** = ``4``

Comparison for less than (``a < b``). Cannot be used if :ref:`type<class_VisualShaderNodeCompare_property_type>` set to :ref:`CTYPE_BOOLEAN<class_VisualShaderNodeCompare_constant_CTYPE_BOOLEAN>` or :ref:`CTYPE_TRANSFORM<class_VisualShaderNodeCompare_constant_CTYPE_TRANSFORM>`.

.. _class_VisualShaderNodeCompare_constant_FUNC_LESS_THAN_EQUAL:

.. rst-class:: classref-enumeration-constant

:ref:`Function<enum_VisualShaderNodeCompare_Function>` **FUNC_LESS_THAN_EQUAL** = ``5``

Comparison for less than or equal (``a < b``). Cannot be used if :ref:`type<class_VisualShaderNodeCompare_property_type>` set to :ref:`CTYPE_BOOLEAN<class_VisualShaderNodeCompare_constant_CTYPE_BOOLEAN>` or :ref:`CTYPE_TRANSFORM<class_VisualShaderNodeCompare_constant_CTYPE_TRANSFORM>`.

.. rst-class:: classref-item-separator

----

.. _enum_VisualShaderNodeCompare_Condition:

.. rst-class:: classref-enumeration

enum **Condition**:

.. _class_VisualShaderNodeCompare_constant_COND_ALL:

.. rst-class:: classref-enumeration-constant

:ref:`Condition<enum_VisualShaderNodeCompare_Condition>` **COND_ALL** = ``0``

The result will be true if all of component in vector satisfy the comparison condition.

.. _class_VisualShaderNodeCompare_constant_COND_ANY:

.. rst-class:: classref-enumeration-constant

:ref:`Condition<enum_VisualShaderNodeCompare_Condition>` **COND_ANY** = ``1``

The result will be true if any of component in vector satisfy the comparison condition.

.. rst-class:: classref-section-separator

----

.. rst-class:: classref-descriptions-group

Property Descriptions
---------------------

.. _class_VisualShaderNodeCompare_property_condition:

.. rst-class:: classref-property

:ref:`Condition<enum_VisualShaderNodeCompare_Condition>` **condition** = ``0``

.. rst-class:: classref-property-setget

- void **set_condition** **(** :ref:`Condition<enum_VisualShaderNodeCompare_Condition>` value **)**
- :ref:`Condition<enum_VisualShaderNodeCompare_Condition>` **get_condition** **(** **)**

Extra condition which is applied if :ref:`type<class_VisualShaderNodeCompare_property_type>` is set to :ref:`CTYPE_VECTOR<class_VisualShaderNodeCompare_constant_CTYPE_VECTOR>`.

.. rst-class:: classref-item-separator

----

.. _class_VisualShaderNodeCompare_property_function:

.. rst-class:: classref-property

:ref:`Function<enum_VisualShaderNodeCompare_Function>` **function** = ``0``

.. rst-class:: classref-property-setget

- void **set_function** **(** :ref:`Function<enum_VisualShaderNodeCompare_Function>` value **)**
- :ref:`Function<enum_VisualShaderNodeCompare_Function>` **get_function** **(** **)**

A comparison function. See :ref:`Function<enum_VisualShaderNodeCompare_Function>` for options.

.. rst-class:: classref-item-separator

----

.. _class_VisualShaderNodeCompare_property_type:

.. rst-class:: classref-property

:ref:`ComparisonType<enum_VisualShaderNodeCompare_ComparisonType>` **type** = ``0``

.. rst-class:: classref-property-setget

- void **set_comparison_type** **(** :ref:`ComparisonType<enum_VisualShaderNodeCompare_ComparisonType>` value **)**
- :ref:`ComparisonType<enum_VisualShaderNodeCompare_ComparisonType>` **get_comparison_type** **(** **)**

The type to be used in the comparison. See :ref:`ComparisonType<enum_VisualShaderNodeCompare_ComparisonType>` for options.

.. |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.)`
.. |static| replace:: :abbr:`static (This method doesn't need an instance to be called, so it can be called directly using the class name.)`