Godot
/
godot-docs
mirror of https://github.com/godotengine/godot-docs.git


			
				
					
						
						
							123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343
							:github_url: hide

.. Generated automatically by doc/tools/makerst.py in Godot's source tree.
.. DO NOT EDIT THIS FILE, but the Vector2.xml source instead.
.. The source is found in doc/classes or modules/<name>/doc_classes.

.. _class_Vector2:

Vector2
=======

**Category:** Built-In Types

Brief Description
-----------------

Vector used for 2D math.

Properties
----------

+---------------------------+------------------------------------+-----+
| :ref:`float<class_float>` | :ref:`x<class_Vector2_property_x>` | 0.0 |
+---------------------------+------------------------------------+-----+
| :ref:`float<class_float>` | :ref:`y<class_Vector2_property_y>` | 0.0 |
+---------------------------+------------------------------------+-----+

Methods
-------

+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Vector2<class_Vector2>` | :ref:`Vector2<class_Vector2_method_Vector2>` **(** :ref:`float<class_float>` x, :ref:`float<class_float>` y **)**                                                                                                    |
+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Vector2<class_Vector2>` | :ref:`abs<class_Vector2_method_abs>` **(** **)**                                                                                                                                                                     |
+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`float<class_float>`     | :ref:`angle<class_Vector2_method_angle>` **(** **)**                                                                                                                                                                 |
+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`float<class_float>`     | :ref:`angle_to<class_Vector2_method_angle_to>` **(** :ref:`Vector2<class_Vector2>` to **)**                                                                                                                          |
+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`float<class_float>`     | :ref:`angle_to_point<class_Vector2_method_angle_to_point>` **(** :ref:`Vector2<class_Vector2>` to **)**                                                                                                              |
+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`float<class_float>`     | :ref:`aspect<class_Vector2_method_aspect>` **(** **)**                                                                                                                                                               |
+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Vector2<class_Vector2>` | :ref:`bounce<class_Vector2_method_bounce>` **(** :ref:`Vector2<class_Vector2>` n **)**                                                                                                                               |
+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Vector2<class_Vector2>` | :ref:`ceil<class_Vector2_method_ceil>` **(** **)**                                                                                                                                                                   |
+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Vector2<class_Vector2>` | :ref:`clamped<class_Vector2_method_clamped>` **(** :ref:`float<class_float>` length **)**                                                                                                                            |
+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`float<class_float>`     | :ref:`cross<class_Vector2_method_cross>` **(** :ref:`Vector2<class_Vector2>` with **)**                                                                                                                              |
+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Vector2<class_Vector2>` | :ref:`cubic_interpolate<class_Vector2_method_cubic_interpolate>` **(** :ref:`Vector2<class_Vector2>` b, :ref:`Vector2<class_Vector2>` pre_a, :ref:`Vector2<class_Vector2>` post_b, :ref:`float<class_float>` t **)** |
+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Vector2<class_Vector2>` | :ref:`direction_to<class_Vector2_method_direction_to>` **(** :ref:`Vector2<class_Vector2>` b **)**                                                                                                                   |
+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`float<class_float>`     | :ref:`distance_squared_to<class_Vector2_method_distance_squared_to>` **(** :ref:`Vector2<class_Vector2>` to **)**                                                                                                    |
+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`float<class_float>`     | :ref:`distance_to<class_Vector2_method_distance_to>` **(** :ref:`Vector2<class_Vector2>` to **)**                                                                                                                    |
+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`float<class_float>`     | :ref:`dot<class_Vector2_method_dot>` **(** :ref:`Vector2<class_Vector2>` with **)**                                                                                                                                  |
+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Vector2<class_Vector2>` | :ref:`floor<class_Vector2_method_floor>` **(** **)**                                                                                                                                                                 |
+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`bool<class_bool>`       | :ref:`is_normalized<class_Vector2_method_is_normalized>` **(** **)**                                                                                                                                                 |
+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`float<class_float>`     | :ref:`length<class_Vector2_method_length>` **(** **)**                                                                                                                                                               |
+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`float<class_float>`     | :ref:`length_squared<class_Vector2_method_length_squared>` **(** **)**                                                                                                                                               |
+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Vector2<class_Vector2>` | :ref:`linear_interpolate<class_Vector2_method_linear_interpolate>` **(** :ref:`Vector2<class_Vector2>` b, :ref:`float<class_float>` t **)**                                                                          |
+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Vector2<class_Vector2>` | :ref:`move_toward<class_Vector2_method_move_toward>` **(** :ref:`Vector2<class_Vector2>` to, :ref:`float<class_float>` delta **)**                                                                                   |
+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Vector2<class_Vector2>` | :ref:`normalized<class_Vector2_method_normalized>` **(** **)**                                                                                                                                                       |
+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Vector2<class_Vector2>` | :ref:`project<class_Vector2_method_project>` **(** :ref:`Vector2<class_Vector2>` b **)**                                                                                                                             |
+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Vector2<class_Vector2>` | :ref:`reflect<class_Vector2_method_reflect>` **(** :ref:`Vector2<class_Vector2>` n **)**                                                                                                                             |
+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Vector2<class_Vector2>` | :ref:`rotated<class_Vector2_method_rotated>` **(** :ref:`float<class_float>` phi **)**                                                                                                                               |
+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Vector2<class_Vector2>` | :ref:`round<class_Vector2_method_round>` **(** **)**                                                                                                                                                                 |
+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Vector2<class_Vector2>` | :ref:`slerp<class_Vector2_method_slerp>` **(** :ref:`Vector2<class_Vector2>` b, :ref:`float<class_float>` t **)**                                                                                                    |
+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Vector2<class_Vector2>` | :ref:`slide<class_Vector2_method_slide>` **(** :ref:`Vector2<class_Vector2>` n **)**                                                                                                                                 |
+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Vector2<class_Vector2>` | :ref:`snapped<class_Vector2_method_snapped>` **(** :ref:`Vector2<class_Vector2>` by **)**                                                                                                                            |
+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| :ref:`Vector2<class_Vector2>` | :ref:`tangent<class_Vector2_method_tangent>` **(** **)**                                                                                                                                                             |
+-------------------------------+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+

Constants
---------

.. _class_Vector2_constant_ZERO:

.. _class_Vector2_constant_ONE:

.. _class_Vector2_constant_INF:

.. _class_Vector2_constant_LEFT:

.. _class_Vector2_constant_RIGHT:

.. _class_Vector2_constant_UP:

.. _class_Vector2_constant_DOWN:

- **ZERO** = **Vector2( 0, 0 )** --- Zero vector.

- **ONE** = **Vector2( 1, 1 )** --- One vector.

- **INF** = **Vector2( inf, inf )** --- Infinite vector.

- **LEFT** = **Vector2( -1, 0 )** --- Left unit vector.

- **RIGHT** = **Vector2( 1, 0 )** --- Right unit vector.

- **UP** = **Vector2( 0, -1 )** --- Up unit vector.

- **DOWN** = **Vector2( 0, 1 )** --- Down unit vector.

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

2-element structure that can be used to represent positions in 2d space or any other pair of numeric values.

Tutorials
---------

- :doc:`../tutorials/math/index`

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

.. _class_Vector2_property_x:

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

+-----------+-----+
| *Default* | 0.0 |
+-----------+-----+

The vector's X component. Also accessible by using the index position ``[0]``.

.. _class_Vector2_property_y:

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

+-----------+-----+
| *Default* | 0.0 |
+-----------+-----+

The vector's Y component. Also accessible by using the index position ``[1]``.

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

.. _class_Vector2_method_Vector2:

- :ref:`Vector2<class_Vector2>` **Vector2** **(** :ref:`float<class_float>` x, :ref:`float<class_float>` y **)**

Constructs a new Vector2 from the given ``x`` and ``y``.

.. _class_Vector2_method_abs:

- :ref:`Vector2<class_Vector2>` **abs** **(** **)**

Returns a new vector with all components in absolute values (i.e. positive).

.. _class_Vector2_method_angle:

- :ref:`float<class_float>` **angle** **(** **)**

Returns the vector's angle in radians with respect to the X axis, or ``(1, 0)`` vector.

Equivalent to the result of :ref:`@GDScript.atan2<class_@GDScript_method_atan2>` when called with the vector's :ref:`x<class_Vector2_property_x>` and :ref:`y<class_Vector2_property_y>` as parameters: ``atan2(x, y)``.

.. _class_Vector2_method_angle_to:

- :ref:`float<class_float>` **angle_to** **(** :ref:`Vector2<class_Vector2>` to **)**

Returns the angle in radians between the two vectors.

.. _class_Vector2_method_angle_to_point:

- :ref:`float<class_float>` **angle_to_point** **(** :ref:`Vector2<class_Vector2>` to **)**

Returns the angle in radians between the line connecting the two points and the X coordinate.

.. _class_Vector2_method_aspect:

- :ref:`float<class_float>` **aspect** **(** **)**

Returns the ratio of :ref:`x<class_Vector2_property_x>` to :ref:`y<class_Vector2_property_y>`.

.. _class_Vector2_method_bounce:

- :ref:`Vector2<class_Vector2>` **bounce** **(** :ref:`Vector2<class_Vector2>` n **)**

Returns the vector "bounced off" from a plane defined by the given normal.

.. _class_Vector2_method_ceil:

- :ref:`Vector2<class_Vector2>` **ceil** **(** **)**

Returns the vector with all components rounded up.

.. _class_Vector2_method_clamped:

- :ref:`Vector2<class_Vector2>` **clamped** **(** :ref:`float<class_float>` length **)**

Returns the vector with a maximum length.

.. _class_Vector2_method_cross:

- :ref:`float<class_float>` **cross** **(** :ref:`Vector2<class_Vector2>` with **)**

Returns the 2-dimensional analog of the cross product with the given vector.

.. _class_Vector2_method_cubic_interpolate:

- :ref:`Vector2<class_Vector2>` **cubic_interpolate** **(** :ref:`Vector2<class_Vector2>` b, :ref:`Vector2<class_Vector2>` pre_a, :ref:`Vector2<class_Vector2>` post_b, :ref:`float<class_float>` t **)**

Cubically interpolates between this vector and ``b`` using ``pre_a`` and ``post_b`` as handles, and returns the result at position ``t``. ``t`` is in the range of ``0.0 - 1.0``, representing the amount of interpolation.

.. _class_Vector2_method_direction_to:

- :ref:`Vector2<class_Vector2>` **direction_to** **(** :ref:`Vector2<class_Vector2>` b **)**

Returns the normalized vector pointing from this vector to ``b``.

.. _class_Vector2_method_distance_squared_to:

- :ref:`float<class_float>` **distance_squared_to** **(** :ref:`Vector2<class_Vector2>` to **)**

Returns the squared distance to vector ``b``. Prefer this function over :ref:`distance_to<class_Vector2_method_distance_to>` if you need to sort vectors or need the squared distance for some formula.

.. _class_Vector2_method_distance_to:

- :ref:`float<class_float>` **distance_to** **(** :ref:`Vector2<class_Vector2>` to **)**

Returns the distance to vector ``b``.

.. _class_Vector2_method_dot:

- :ref:`float<class_float>` **dot** **(** :ref:`Vector2<class_Vector2>` with **)**

Returns the dot product with vector ``b``.

.. _class_Vector2_method_floor:

- :ref:`Vector2<class_Vector2>` **floor** **(** **)**

Returns the vector with all components rounded down.

.. _class_Vector2_method_is_normalized:

- :ref:`bool<class_bool>` **is_normalized** **(** **)**

Returns ``true`` if the vector is normalized.

.. _class_Vector2_method_length:

- :ref:`float<class_float>` **length** **(** **)**

Returns the vector's length.

.. _class_Vector2_method_length_squared:

- :ref:`float<class_float>` **length_squared** **(** **)**

Returns the vector's length squared. Prefer this method over :ref:`length<class_Vector2_method_length>` if you need to sort vectors or need the squared length for some formula.

.. _class_Vector2_method_linear_interpolate:

- :ref:`Vector2<class_Vector2>` **linear_interpolate** **(** :ref:`Vector2<class_Vector2>` b, :ref:`float<class_float>` t **)**

Returns the result of the linear interpolation between this vector and ``b`` by amount ``t``. ``t`` is in the range of ``0.0 - 1.0``, representing the amount of interpolation.

.. _class_Vector2_method_move_toward:

- :ref:`Vector2<class_Vector2>` **move_toward** **(** :ref:`Vector2<class_Vector2>` to, :ref:`float<class_float>` delta **)**

Moves the vector toward ``to`` by the fixed ``delta`` amount.

.. _class_Vector2_method_normalized:

- :ref:`Vector2<class_Vector2>` **normalized** **(** **)**

Returns the vector scaled to unit length. Equivalent to ``v / v.length()``.

.. _class_Vector2_method_project:

- :ref:`Vector2<class_Vector2>` **project** **(** :ref:`Vector2<class_Vector2>` b **)**

Returns the vector projected onto the vector ``b``.

.. _class_Vector2_method_reflect:

- :ref:`Vector2<class_Vector2>` **reflect** **(** :ref:`Vector2<class_Vector2>` n **)**

Returns the vector reflected from a plane defined by the given normal.

.. _class_Vector2_method_rotated:

- :ref:`Vector2<class_Vector2>` **rotated** **(** :ref:`float<class_float>` phi **)**

Returns the vector rotated by ``phi`` radians. See also :ref:`@GDScript.deg2rad<class_@GDScript_method_deg2rad>`.

.. _class_Vector2_method_round:

- :ref:`Vector2<class_Vector2>` **round** **(** **)**

Returns the vector with all components rounded to the nearest integer, with halfway cases rounded away from zero.

.. _class_Vector2_method_slerp:

- :ref:`Vector2<class_Vector2>` **slerp** **(** :ref:`Vector2<class_Vector2>` b, :ref:`float<class_float>` t **)**

Returns the result of spherical linear interpolation between this vector and ``b``, by amount ``t``. ``t`` is in the range of ``0.0 - 1.0``, representing the amount of interpolation.

**Note:** Both vectors must be normalized.

.. _class_Vector2_method_slide:

- :ref:`Vector2<class_Vector2>` **slide** **(** :ref:`Vector2<class_Vector2>` n **)**

Returns the component of the vector along a plane defined by the given normal.

.. _class_Vector2_method_snapped:

- :ref:`Vector2<class_Vector2>` **snapped** **(** :ref:`Vector2<class_Vector2>` by **)**

Returns the vector snapped to a grid with the given size.

.. _class_Vector2_method_tangent:

- :ref:`Vector2<class_Vector2>` **tangent** **(** **)**

Returns a perpendicular vector.