godot-docs/classes/class_physicstestmotionparameters2d.rst

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.. _class_PhysicsTestMotionParameters2D:

PhysicsTestMotionParameters2D
=============================

**Inherits:** :ref:`RefCounted<class_RefCounted>` **<** :ref:`Object<class_Object>`

Parameters to be sent to a 2D body motion test.

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

This class contains parameters used in :ref:`PhysicsServer2D.body_test_motion<class_PhysicsServer2D_method_body_test_motion>`.

Properties
----------

+---------------------------------------+----------------------------------------------------------------------------------------------------+-----------------------------------+
| :ref:`bool<class_bool>`               | :ref:`collide_separation_ray<class_PhysicsTestMotionParameters2D_property_collide_separation_ray>` | ``false``                         |
+---------------------------------------+----------------------------------------------------------------------------------------------------+-----------------------------------+
| :ref:`RID[]<class_RID>`               | :ref:`exclude_bodies<class_PhysicsTestMotionParameters2D_property_exclude_bodies>`                 | ``[]``                            |
+---------------------------------------+----------------------------------------------------------------------------------------------------+-----------------------------------+
| :ref:`Array<class_Array>`             | :ref:`exclude_objects<class_PhysicsTestMotionParameters2D_property_exclude_objects>`               | ``[]``                            |
+---------------------------------------+----------------------------------------------------------------------------------------------------+-----------------------------------+
| :ref:`Transform2D<class_Transform2D>` | :ref:`from<class_PhysicsTestMotionParameters2D_property_from>`                                     | ``Transform2D(1, 0, 0, 1, 0, 0)`` |
+---------------------------------------+----------------------------------------------------------------------------------------------------+-----------------------------------+
| :ref:`float<class_float>`             | :ref:`margin<class_PhysicsTestMotionParameters2D_property_margin>`                                 | ``0.08``                          |
+---------------------------------------+----------------------------------------------------------------------------------------------------+-----------------------------------+
| :ref:`Vector2<class_Vector2>`         | :ref:`motion<class_PhysicsTestMotionParameters2D_property_motion>`                                 | ``Vector2(0, 0)``                 |
+---------------------------------------+----------------------------------------------------------------------------------------------------+-----------------------------------+
| :ref:`bool<class_bool>`               | :ref:`recovery_as_collision<class_PhysicsTestMotionParameters2D_property_recovery_as_collision>`   | ``false``                         |
+---------------------------------------+----------------------------------------------------------------------------------------------------+-----------------------------------+

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

.. _class_PhysicsTestMotionParameters2D_property_collide_separation_ray:

- :ref:`bool<class_bool>` **collide_separation_ray**

+-----------+-------------------------------------------+
| *Default* | ``false``                                 |
+-----------+-------------------------------------------+
| *Setter*  | set_collide_separation_ray_enabled(value) |
+-----------+-------------------------------------------+
| *Getter*  | is_collide_separation_ray_enabled()       |
+-----------+-------------------------------------------+

If set to ``true``, shapes of type :ref:`PhysicsServer2D.SHAPE_SEPARATION_RAY<class_PhysicsServer2D_constant_SHAPE_SEPARATION_RAY>` are used to detect collisions and can stop the motion. Can be useful when snapping to the ground.

If set to ``false``, shapes of type :ref:`PhysicsServer2D.SHAPE_SEPARATION_RAY<class_PhysicsServer2D_constant_SHAPE_SEPARATION_RAY>` are only used for separation when overlapping with other bodies. That's the main use for separation ray shapes.

----

.. _class_PhysicsTestMotionParameters2D_property_exclude_bodies:

- :ref:`RID[]<class_RID>` **exclude_bodies**

+-----------+---------------------------+
| *Default* | ``[]``                    |
+-----------+---------------------------+
| *Setter*  | set_exclude_bodies(value) |
+-----------+---------------------------+
| *Getter*  | get_exclude_bodies()      |
+-----------+---------------------------+

Optional array of body :ref:`RID<class_RID>` to exclude from collision.

----

.. _class_PhysicsTestMotionParameters2D_property_exclude_objects:

- :ref:`Array<class_Array>` **exclude_objects**

+-----------+----------------------------+
| *Default* | ``[]``                     |
+-----------+----------------------------+
| *Setter*  | set_exclude_objects(value) |
+-----------+----------------------------+
| *Getter*  | get_exclude_objects()      |
+-----------+----------------------------+

Optional array of object unique instance ID to exclude from collision. See :ref:`Object.get_instance_id<class_Object_method_get_instance_id>`.

----

.. _class_PhysicsTestMotionParameters2D_property_from:

- :ref:`Transform2D<class_Transform2D>` **from**

+-----------+-----------------------------------+
| *Default* | ``Transform2D(1, 0, 0, 1, 0, 0)`` |
+-----------+-----------------------------------+
| *Setter*  | set_from(value)                   |
+-----------+-----------------------------------+
| *Getter*  | get_from()                        |
+-----------+-----------------------------------+

Transform in global space where the motion should start. Usually set to :ref:`Node2D.global_transform<class_Node2D_property_global_transform>` for the current body's transform.

----

.. _class_PhysicsTestMotionParameters2D_property_margin:

- :ref:`float<class_float>` **margin**

+-----------+-------------------+
| *Default* | ``0.08``          |
+-----------+-------------------+
| *Setter*  | set_margin(value) |
+-----------+-------------------+
| *Getter*  | get_margin()      |
+-----------+-------------------+

Increases the size of the shapes involved in the collision detection.

----

.. _class_PhysicsTestMotionParameters2D_property_motion:

- :ref:`Vector2<class_Vector2>` **motion**

+-----------+-------------------+
| *Default* | ``Vector2(0, 0)`` |
+-----------+-------------------+
| *Setter*  | set_motion(value) |
+-----------+-------------------+
| *Getter*  | get_motion()      |
+-----------+-------------------+

Motion vector to define the length and direction of the motion to test.

----

.. _class_PhysicsTestMotionParameters2D_property_recovery_as_collision:

- :ref:`bool<class_bool>` **recovery_as_collision**

+-----------+------------------------------------------+
| *Default* | ``false``                                |
+-----------+------------------------------------------+
| *Setter*  | set_recovery_as_collision_enabled(value) |
+-----------+------------------------------------------+
| *Getter*  | is_recovery_as_collision_enabled()       |
+-----------+------------------------------------------+

If set to ``true``, any depenetration from the recovery phase is reported as a collision; this is used e.g. by :ref:`CharacterBody2D.move_and_slide<class_CharacterBody2D_method_move_and_slide>` for improving floor detection when floor snapping is disabled.

If set to ``false``, only collisions resulting from the motion are reported; this is used e.g. by :ref:`PhysicsBody2D.move_and_collide<class_PhysicsBody2D_method_move_and_collide>`.

.. |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.)`