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godot-docs/classes/class_bool.rst
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.. Generated automatically by doc/tools/makerst.py in Godot's source tree.
.. DO NOT EDIT THIS FILE, but the bool.xml source instead.
.. The source is found in doc/classes or modules/<name>/doc_classes.
.. _class_bool:
bool
====
Boolean built-in type.
Description
-----------
Boolean is a built-in type. It can represent any data type that is either a true or false value. You can think of it as an switch with on or off (1 or 0) setting . It's often used as part of programming logic in condition statements like ``if`` statements.
**Note:** In a code below ``if can_shoot`` is equivalent of ``if can_shoot == true``. It is good practice to follow the natural spoken language structure when possible. Use ``if can_shoot`` rather than ``if can_shoot == true`` and use ``if not can_shoot`` rather than ``if can_shoot == false``.
::
var can_shoot = true
func shoot():
if can_shoot:
# Perform shooting actions here.
The following code will only create a bullet if both conditions are met: action "shoot" is pressed and if ``can_shoot`` is ``true``.
**Note:** ``Input.is_action_pressed("shoot")`` is also a boolean that is ``true`` when "shoot" is pressed and ``false`` when "shoot" isn't pressed.
::
var can_shoot = true
func shoot():
if can_shoot and Input.is_action_pressed("shoot"):
create_bullet()
The following code will set ``can_shoot`` to ``false`` and start a timer. This will prevent player from shooting until the timer runs out. Next ``can_shoot`` will be set to ``true`` again allowing player to shoot once again.
::
var can_shoot = true
onready var cool_down = $CoolDownTimer
func shoot():
if can_shoot and Input.is_action_pressed("shoot"):
create_bullet()
can_shoot = false
cool_down.start()
func _on_CoolDownTimer_timeout():
can_shoot = true
Methods
-------
+-------------------------+----------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`bool<class_bool_method_bool>` **(** :ref:`int<class_int>` from **)** |
+-------------------------+----------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`bool<class_bool_method_bool>` **(** :ref:`float<class_float>` from **)** |
+-------------------------+----------------------------------------------------------------------------------+
| :ref:`bool<class_bool>` | :ref:`bool<class_bool_method_bool>` **(** :ref:`String<class_String>` from **)** |
+-------------------------+----------------------------------------------------------------------------------+
Method Descriptions
-------------------
.. _class_bool_method_bool:
- :ref:`bool<class_bool>` **bool** **(** :ref:`int<class_int>` from **)**
Cast an :ref:`int<class_int>` value to a boolean value, this method will return ``true`` if called with an integer value different to 0 and ``false`` in other case.
----
- :ref:`bool<class_bool>` **bool** **(** :ref:`float<class_float>` from **)**
Cast a :ref:`float<class_float>` value to a boolean value, this method will return ``true`` if called with a floating-point value different to 0 and ``false`` in other case.
----
- :ref:`bool<class_bool>` **bool** **(** :ref:`String<class_String>` from **)**
Cast a :ref:`String<class_String>` value to a boolean value, this method will return ``true`` if called with a non-empty string and ``false`` in other case. Examples: ``bool("False")`` returns ``true``, ``bool("")`` returns ``false``.