godot-docs/classes/class_separationrayshape3d.rst

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.. _class_SeparationRayShape3D:

SeparationRayShape3D
====================

**Inherits:** :ref:`Shape3D<class_Shape3D>` **<** :ref:`Resource<class_Resource>` **<** :ref:`RefCounted<class_RefCounted>` **<** :ref:`Object<class_Object>`

Separation ray shape resource for 3D physics.

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

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

3D separation ray shape to be added as a *direct* child of a :ref:`PhysicsBody3D<class_PhysicsBody3D>` or :ref:`Area3D<class_Area3D>` using a :ref:`CollisionShape3D<class_CollisionShape3D>` node. A ray is not really a collision body; instead, it tries to separate itself from whatever is touching its far endpoint. It's often useful for characters.

\ **Performance:** Being a primitive collision shape, **SeparationRayShape3D** is fast to check collisions against.

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

Properties
----------

.. table::
   :widths: auto

   +---------------------------+---------------------------------------------------------------------------+-----------+
   | :ref:`float<class_float>` | :ref:`length<class_SeparationRayShape3D_property_length>`                 | ``1.0``   |
   +---------------------------+---------------------------------------------------------------------------+-----------+
   | :ref:`bool<class_bool>`   | :ref:`slide_on_slope<class_SeparationRayShape3D_property_slide_on_slope>` | ``false`` |
   +---------------------------+---------------------------------------------------------------------------+-----------+

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

----

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

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

.. _class_SeparationRayShape3D_property_length:

.. rst-class:: classref-property

:ref:`float<class_float>` **length** = ``1.0``

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

- void **set_length** **(** :ref:`float<class_float>` value **)**
- :ref:`float<class_float>` **get_length** **(** **)**

The ray's length.

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

----

.. _class_SeparationRayShape3D_property_slide_on_slope:

.. rst-class:: classref-property

:ref:`bool<class_bool>` **slide_on_slope** = ``false``

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

- void **set_slide_on_slope** **(** :ref:`bool<class_bool>` value **)**
- :ref:`bool<class_bool>` **get_slide_on_slope** **(** **)**

If ``false`` (default), the shape always separates and returns a normal along its own direction.

If ``true``, the shape can return the correct normal and separate in any direction, allowing sliding motion on slopes.

.. |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.)`