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.. _class_PhysicsDirectSpaceState2D:

PhysicsDirectSpaceState2D
=========================

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

Direct access object to a space in the :ref:`PhysicsServer2D<class_PhysicsServer2D>`.

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

Direct access object to a space in the :ref:`PhysicsServer2D<class_PhysicsServer2D>`. It's used mainly to do queries against objects and areas residing in a given space.

Tutorials
---------

- :doc:`Physics introduction <../tutorials/physics/physics_introduction>`

- :doc:`Ray-casting <../tutorials/physics/ray-casting>`

Methods
-------

+-------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Array<class_Array>`           | :ref:`cast_motion<class_PhysicsDirectSpaceState2D_method_cast_motion>` **(** :ref:`PhysicsShapeQueryParameters2D<class_PhysicsShapeQueryParameters2D>` parameters **)**                                               |
+-------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Array<class_Array>`           | :ref:`collide_shape<class_PhysicsDirectSpaceState2D_method_collide_shape>` **(** :ref:`PhysicsShapeQueryParameters2D<class_PhysicsShapeQueryParameters2D>` parameters, :ref:`int<class_int>` max_results=32 **)**     |
+-------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Dictionary<class_Dictionary>` | :ref:`get_rest_info<class_PhysicsDirectSpaceState2D_method_get_rest_info>` **(** :ref:`PhysicsShapeQueryParameters2D<class_PhysicsShapeQueryParameters2D>` parameters **)**                                           |
+-------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Array<class_Array>`           | :ref:`intersect_point<class_PhysicsDirectSpaceState2D_method_intersect_point>` **(** :ref:`PhysicsPointQueryParameters2D<class_PhysicsPointQueryParameters2D>` parameters, :ref:`int<class_int>` max_results=32 **)** |
+-------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Dictionary<class_Dictionary>` | :ref:`intersect_ray<class_PhysicsDirectSpaceState2D_method_intersect_ray>` **(** :ref:`PhysicsRayQueryParameters2D<class_PhysicsRayQueryParameters2D>` parameters **)**                                               |
+-------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Array<class_Array>`           | :ref:`intersect_shape<class_PhysicsDirectSpaceState2D_method_intersect_shape>` **(** :ref:`PhysicsShapeQueryParameters2D<class_PhysicsShapeQueryParameters2D>` parameters, :ref:`int<class_int>` max_results=32 **)** |
+-------------------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+

Method Descriptions
-------------------

.. _class_PhysicsDirectSpaceState2D_method_cast_motion:

- :ref:`Array<class_Array>` **cast_motion** **(** :ref:`PhysicsShapeQueryParameters2D<class_PhysicsShapeQueryParameters2D>` parameters **)**

Checks how far a :ref:`Shape2D<class_Shape2D>` can move without colliding. All the parameters for the query, including the shape and the motion, are supplied through a :ref:`PhysicsShapeQueryParameters2D<class_PhysicsShapeQueryParameters2D>` object.

Returns an array with the safe and unsafe proportions (between 0 and 1) of the motion. The safe proportion is the maximum fraction of the motion that can be made without a collision. The unsafe proportion is the minimum fraction of the distance that must be moved for a collision. If no collision is detected a result of ``[1.0, 1.0]`` will be returned.

\ **Note:** Any :ref:`Shape2D<class_Shape2D>`\ s that the shape is already colliding with e.g. inside of, will be ignored. Use :ref:`collide_shape<class_PhysicsDirectSpaceState2D_method_collide_shape>` to determine the :ref:`Shape2D<class_Shape2D>`\ s that the shape is already colliding with.

----

.. _class_PhysicsDirectSpaceState2D_method_collide_shape:

- :ref:`Array<class_Array>` **collide_shape** **(** :ref:`PhysicsShapeQueryParameters2D<class_PhysicsShapeQueryParameters2D>` parameters, :ref:`int<class_int>` max_results=32 **)**

Checks the intersections of a shape, given through a :ref:`PhysicsShapeQueryParameters2D<class_PhysicsShapeQueryParameters2D>` object, against the space. The resulting array contains a list of points where the shape intersects another. Like with :ref:`intersect_shape<class_PhysicsDirectSpaceState2D_method_intersect_shape>`, the number of returned results can be limited to save processing time.

Returned points are a list of pairs of contact points. For each pair the first one is in the shape passed in :ref:`PhysicsShapeQueryParameters2D<class_PhysicsShapeQueryParameters2D>` object, second one is in the collided shape from the physics space.

----

.. _class_PhysicsDirectSpaceState2D_method_get_rest_info:

- :ref:`Dictionary<class_Dictionary>` **get_rest_info** **(** :ref:`PhysicsShapeQueryParameters2D<class_PhysicsShapeQueryParameters2D>` parameters **)**

Checks the intersections of a shape, given through a :ref:`PhysicsShapeQueryParameters2D<class_PhysicsShapeQueryParameters2D>` object, against the space. If it collides with more than one shape, the nearest one is selected. If the shape did not intersect anything, then an empty dictionary is returned instead.

\ **Note:** This method does not take into account the ``motion`` property of the object. The returned object is a dictionary containing the following fields:

\ ``collider_id``: The colliding object's ID.

\ ``linear_velocity``: The colliding object's velocity :ref:`Vector2<class_Vector2>`. If the object is an :ref:`Area2D<class_Area2D>`, the result is ``(0, 0)``.

\ ``normal``: The object's surface normal at the intersection point.

\ ``point``: The intersection point.

\ ``rid``: The intersecting object's :ref:`RID<class_RID>`.

\ ``shape``: The shape index of the colliding shape.

----

.. _class_PhysicsDirectSpaceState2D_method_intersect_point:

- :ref:`Array<class_Array>` **intersect_point** **(** :ref:`PhysicsPointQueryParameters2D<class_PhysicsPointQueryParameters2D>` parameters, :ref:`int<class_int>` max_results=32 **)**

Checks whether a point is inside any solid shape. Position and other parameters are defined through :ref:`PhysicsPointQueryParameters2D<class_PhysicsPointQueryParameters2D>`. The shapes the point is inside of are returned in an array containing dictionaries with the following fields:

\ ``collider``: The colliding object.

\ ``collider_id``: The colliding object's ID.

\ ``rid``: The intersecting object's :ref:`RID<class_RID>`.

\ ``shape``: The shape index of the colliding shape.

The number of intersections can be limited with the ``max_results`` parameter, to reduce the processing time.

\ **Note:** :ref:`ConcavePolygonShape2D<class_ConcavePolygonShape2D>`\ s and :ref:`CollisionPolygon2D<class_CollisionPolygon2D>`\ s in ``Segments`` build mode are not solid shapes. Therefore, they will not be detected.

----

.. _class_PhysicsDirectSpaceState2D_method_intersect_ray:

- :ref:`Dictionary<class_Dictionary>` **intersect_ray** **(** :ref:`PhysicsRayQueryParameters2D<class_PhysicsRayQueryParameters2D>` parameters **)**

Intersects a ray in a given space. Ray position and other parameters are defined through :ref:`PhysicsRayQueryParameters2D<class_PhysicsRayQueryParameters2D>`. The returned object is a dictionary with the following fields:

\ ``collider``: The colliding object.

\ ``collider_id``: The colliding object's ID.

\ ``normal``: The object's surface normal at the intersection point, or ``Vector2(0, 0)`` if the ray starts inside the shape and :ref:`PhysicsRayQueryParameters2D.hit_from_inside<class_PhysicsRayQueryParameters2D_property_hit_from_inside>` is ``true``.

\ ``position``: The intersection point.

\ ``rid``: The intersecting object's :ref:`RID<class_RID>`.

\ ``shape``: The shape index of the colliding shape.

If the ray did not intersect anything, then an empty dictionary is returned instead.

----

.. _class_PhysicsDirectSpaceState2D_method_intersect_shape:

- :ref:`Array<class_Array>` **intersect_shape** **(** :ref:`PhysicsShapeQueryParameters2D<class_PhysicsShapeQueryParameters2D>` parameters, :ref:`int<class_int>` max_results=32 **)**

Checks the intersections of a shape, given through a :ref:`PhysicsShapeQueryParameters2D<class_PhysicsShapeQueryParameters2D>` object, against the space. The intersected shapes are returned in an array containing dictionaries with the following fields:

\ ``collider``: The colliding object.

\ ``collider_id``: The colliding object's ID.

\ ``rid``: The intersecting object's :ref:`RID<class_RID>`.

\ ``shape``: The shape index of the colliding shape.

The number of intersections can be limited with the ``max_results`` parameter, to reduce the processing time.

.. |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.)`