pandemonium_engine_docs/classes/class_inputeventmousemotion.rst

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.. _class_InputEventMouseMotion:

InputEventMouseMotion
=====================

**Inherits:** :ref:`InputEventMouse<class_InputEventMouse>` **<** :ref:`InputEventWithModifiers<class_InputEventWithModifiers>` **<** :ref:`InputEvent<class_InputEvent>` **<** :ref:`Resource<class_Resource>` **<** :ref:`Reference<class_Reference>` **<** :ref:`Object<class_Object>`

Input event type for mouse motion events.

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

Contains mouse and pen motion information. Supports relative, absolute positions and speed. See :ref:`Node._input<class_Node_method__input>`.

\ **Note:** The behavior of this event is affected by the value of :ref:`Input.use_accumulated_input<class_Input_property_use_accumulated_input>`. When set to ``true`` (default), mouse/pen motion events received from the OS will be merged to emit an accumulated event only once per frame rendered at most. When set to ``false``, the events will be emitted as received, which means that they can be emitted multiple times per frame rendered, allowing for precise input reporting at the expense of CPU usage.

\ **Note:** If you use InputEventMouseMotion to draw lines, consider implementing `Bresenham's line algorithm <https://en.wikipedia.org/wiki/Bresenham%27s_line_algorithm>`__ as well to avoid visible gaps in lines if the user is moving the mouse quickly.

Tutorials
---------

- :doc:`Mouse and input coordinates <../tutorials/inputs/mouse_and_input_coordinates>`

- `3D Voxel Demo <https://godotengine.org/asset-library/asset/676>`__

Properties
----------

+-------------------------------+------------------------------------------------------------------------+---------------------+
| :ref:`bool<class_bool>`       | :ref:`pen_inverted<class_InputEventMouseMotion_property_pen_inverted>` | ``false``           |
+-------------------------------+------------------------------------------------------------------------+---------------------+
| :ref:`float<class_float>`     | :ref:`pressure<class_InputEventMouseMotion_property_pressure>`         | ``0.0``             |
+-------------------------------+------------------------------------------------------------------------+---------------------+
| :ref:`Vector2<class_Vector2>` | :ref:`relative<class_InputEventMouseMotion_property_relative>`         | ``Vector2( 0, 0 )`` |
+-------------------------------+------------------------------------------------------------------------+---------------------+
| :ref:`Vector2<class_Vector2>` | :ref:`speed<class_InputEventMouseMotion_property_speed>`               | ``Vector2( 0, 0 )`` |
+-------------------------------+------------------------------------------------------------------------+---------------------+
| :ref:`Vector2<class_Vector2>` | :ref:`tilt<class_InputEventMouseMotion_property_tilt>`                 | ``Vector2( 0, 0 )`` |
+-------------------------------+------------------------------------------------------------------------+---------------------+

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

.. _class_InputEventMouseMotion_property_pen_inverted:

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

+-----------+-------------------------+
| *Default* | ``false``               |
+-----------+-------------------------+
| *Setter*  | set_pen_inverted(value) |
+-----------+-------------------------+
| *Getter*  | get_pen_inverted()      |
+-----------+-------------------------+

Returns ``true`` when using the eraser end of a stylus pen.

\ **Note:** This property is implemented on Linux, macOS and Windows.

----

.. _class_InputEventMouseMotion_property_pressure:

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

+-----------+---------------------+
| *Default* | ``0.0``             |
+-----------+---------------------+
| *Setter*  | set_pressure(value) |
+-----------+---------------------+
| *Getter*  | get_pressure()      |
+-----------+---------------------+

Represents the pressure the user puts on the pen. Ranges from ``0.0`` to ``1.0``.

----

.. _class_InputEventMouseMotion_property_relative:

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

+-----------+---------------------+
| *Default* | ``Vector2( 0, 0 )`` |
+-----------+---------------------+
| *Setter*  | set_relative(value) |
+-----------+---------------------+
| *Getter*  | get_relative()      |
+-----------+---------------------+

The mouse position relative to the previous position (position at the last frame).

\ **Note:** Since ``InputEventMouseMotion`` is only emitted when the mouse moves, the last event won't have a relative position of ``Vector2(0, 0)`` when the user stops moving the mouse.

----

.. _class_InputEventMouseMotion_property_speed:

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

+-----------+---------------------+
| *Default* | ``Vector2( 0, 0 )`` |
+-----------+---------------------+
| *Setter*  | set_speed(value)    |
+-----------+---------------------+
| *Getter*  | get_speed()         |
+-----------+---------------------+

The mouse speed in pixels per second.

----

.. _class_InputEventMouseMotion_property_tilt:

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

+-----------+---------------------+
| *Default* | ``Vector2( 0, 0 )`` |
+-----------+---------------------+
| *Setter*  | set_tilt(value)     |
+-----------+---------------------+
| *Getter*  | get_tilt()          |
+-----------+---------------------+

Represents the angles of tilt of the pen. Positive X-coordinate value indicates a tilt to the right. Positive Y-coordinate value indicates a tilt toward the user. Ranges from ``-1.0`` to ``1.0`` for both axes.

.. |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.)`