godot-docs/classes/class_collisionpolygon3d.rst

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.. _class_CollisionPolygon3D:

CollisionPolygon3D
==================

**Inherits:** :ref:`Node3D<class_Node3D>` **<** :ref:`Node<class_Node>` **<** :ref:`Object<class_Object>`

Node that represents a 3D collision polygon, given by the thickening of a 2D polygon in the local XY plane along the local Z axis.

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

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

Provides a 3D collision polygon to a :ref:`CollisionObject3D<class_CollisionObject3D>` parent, by thickening a 2D (convex or concave) polygon in the local XY plane along the local Z axis. The 2D polygon in the local XY plane can be drawn in the editor or specified by a list of vertices. That 2D polygon is thickened evenly in the local Z and -Z directions.

This node has the same effect as several :ref:`ConvexPolygonShape3D<class_ConvexPolygonShape3D>` nodes, created by thickening the 2D convex polygons in the convex decomposition of the given 2D polygon (but without the overhead of multiple nodes).

\ **Warning:** A non-uniformly scaled CollisionPolygon3D node will probably not function as expected. Please make sure to keep its scale uniform (i.e. the same on all axes), and change its :ref:`polygon<class_CollisionPolygon3D_property_polygon>`'s vertices instead.

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

Properties
----------

.. table::
   :widths: auto

   +-----------------------------------------------------+-------------------------------------------------------------+--------------------------+
   | :ref:`float<class_float>`                           | :ref:`depth<class_CollisionPolygon3D_property_depth>`       | ``1.0``                  |
   +-----------------------------------------------------+-------------------------------------------------------------+--------------------------+
   | :ref:`bool<class_bool>`                             | :ref:`disabled<class_CollisionPolygon3D_property_disabled>` | ``false``                |
   +-----------------------------------------------------+-------------------------------------------------------------+--------------------------+
   | :ref:`float<class_float>`                           | :ref:`margin<class_CollisionPolygon3D_property_margin>`     | ``0.04``                 |
   +-----------------------------------------------------+-------------------------------------------------------------+--------------------------+
   | :ref:`PackedVector2Array<class_PackedVector2Array>` | :ref:`polygon<class_CollisionPolygon3D_property_polygon>`   | ``PackedVector2Array()`` |
   +-----------------------------------------------------+-------------------------------------------------------------+--------------------------+

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

----

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

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

.. _class_CollisionPolygon3D_property_depth:

.. rst-class:: classref-property

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

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

- void **set_depth** **(** :ref:`float<class_float>` value **)**
- :ref:`float<class_float>` **get_depth** **(** **)**

Length that the resulting collision extends in either direction perpendicular to its 2D polygon.

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

----

.. _class_CollisionPolygon3D_property_disabled:

.. rst-class:: classref-property

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

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

- void **set_disabled** **(** :ref:`bool<class_bool>` value **)**
- :ref:`bool<class_bool>` **is_disabled** **(** **)**

If ``true``, no collision will be produced.

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

----

.. _class_CollisionPolygon3D_property_margin:

.. rst-class:: classref-property

:ref:`float<class_float>` **margin** = ``0.04``

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

- void **set_margin** **(** :ref:`float<class_float>` value **)**
- :ref:`float<class_float>` **get_margin** **(** **)**

The collision margin for the generated :ref:`Shape3D<class_Shape3D>`. See :ref:`Shape3D.margin<class_Shape3D_property_margin>` for more details.

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

----

.. _class_CollisionPolygon3D_property_polygon:

.. rst-class:: classref-property

:ref:`PackedVector2Array<class_PackedVector2Array>` **polygon** = ``PackedVector2Array()``

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

- void **set_polygon** **(** :ref:`PackedVector2Array<class_PackedVector2Array>` value **)**
- :ref:`PackedVector2Array<class_PackedVector2Array>` **get_polygon** **(** **)**

Array of vertices which define the 2D polygon in the local XY plane.

\ **Note:** The returned value is a copy of the original. Methods which mutate the size or properties of the return value will not impact the original polygon. To change properties of the polygon, assign it to a temporary variable and make changes before reassigning the ``polygon`` member.

.. |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.)`