Struct VirtualDPad

pub struct VirtualDPad {
    pub up: Box<dyn Buttonlike>,
    pub down: Box<dyn Buttonlike>,
    pub left: Box<dyn Buttonlike>,
    pub right: Box<dyn Buttonlike>,
    pub processors: Vec<DualAxisProcessor>,
}

A virtual dual-axis control constructed from four Buttonlikes. Each button represents a specific direction (up, down, left, right), functioning similarly to a directional pad (D-pad) on both X and Y axes, and offering intermediate diagonals by means of two-button combinations.

By default, it reads from any connected gamepad. Use the InputMap::set_gamepad for specific ones.

Value Processing

You can customize how the values are processed using a pipeline of processors. See WithDualAxisProcessingPipelineExt for details.

The raw axis values are determined based on the state of the associated buttons:

• -1.0 if only the negative button is currently pressed (Down/Left).
• 1.0 if only the positive button is currently pressed (Up/Right).
• 0.0 if neither button is pressed, or both are pressed simultaneously.

use bevy::prelude::*;
use bevy::input::InputPlugin;
use leafwing_input_manager::user_input::testing_utils::FetchUserInput;
use leafwing_input_manager::prelude::*;
use leafwing_input_manager::plugin::CentralInputStorePlugin;

let mut app = App::new();
app.add_plugins((InputPlugin, CentralInputStorePlugin));

// Define a virtual D-pad using the WASD keys
let input = VirtualDPad::wasd();

// Pressing the W key activates the corresponding axis
KeyCode::KeyW.press(app.world_mut());
app.update();
assert_eq!(app.read_dual_axis_values(input), Vec2::new(0.0, 1.0));

// You can configure a processing pipeline (e.g., doubling the Y value)
let doubled = VirtualDPad::wasd().sensitivity_y(2.0);
assert_eq!(app.read_dual_axis_values(doubled), Vec2::new(0.0, 2.0));

Fields

up: Box<dyn Buttonlike>

The button for the upward direction.

down: Box<dyn Buttonlike>

The button for the downward direction.

left: Box<dyn Buttonlike>

The button for the leftward direction.

right: Box<dyn Buttonlike>

The button for the rightward direction.

processors: Vec<DualAxisProcessor>

A processing pipeline that handles input values.

Implementations

impl VirtualDPad

pub fn new( up: impl Buttonlike, down: impl Buttonlike, left: impl Buttonlike, right: impl Buttonlike, ) -> Self

Creates a new VirtualDPad with four given Buttonlikes. Each button represents a specific direction (up, down, left, right).

pub fn arrow_keys() -> Self

The VirtualDPad using the common arrow key mappings.

• KeyCode::ArrowUp for upward direction.
• KeyCode::ArrowDown for downward direction.
• KeyCode::ArrowLeft for leftward direction.
• KeyCode::ArrowRight for rightward direction.

pub fn wasd() -> Self

The VirtualDPad using the common WASD key mappings.

• KeyCode::KeyW for upward direction.
• KeyCode::KeyS for downward direction.
• KeyCode::KeyA for leftward direction.
• KeyCode::KeyD for rightward direction.

pub fn numpad() -> Self

The VirtualDPad using the common numpad key mappings.

• KeyCode::Numpad8 for upward direction.
• KeyCode::Numpad2 for downward direction.
• KeyCode::Numpad4 for leftward direction.
• KeyCode::Numpad6 for rightward direction.

pub fn dpad() -> Self

Creates a new VirtualDPad using the common D-Pad button mappings.

• GamepadButton::DPadUp for upward direction.
• GamepadButton::DPadDown for downward direction.
• GamepadButton::DPadLeft for leftward direction.
• GamepadButton::DPadRight for rightward direction.

pub fn action_pad() -> Self

Creates a new VirtualDPad using the common action pad button mappings.

• GamepadButton::North for upward direction.
• GamepadButton::South for downward direction.
• GamepadButton::West for leftward direction.
• GamepadButton::East for rightward direction.

Trait Implementations

impl Clone for VirtualDPad

fn clone(&self) -> VirtualDPad

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for VirtualDPad

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for VirtualDPad

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl DualAxislike for VirtualDPad

fn axis_pair(&self, input_store: &CentralInputStore, gamepad: Entity) -> Vec2

Retrieves the current X and Y values of this D-pad after processing by the associated processors.

fn set_axis_pair_as_gamepad( &self, world: &mut World, value: Vec2, gamepad: Option<Entity>, )

Sets the value of corresponding button on each axis based on the given value.

When value along an axis is non-zero, set its absolute value to the value of:

• the negative button of the axis if the value is negative;
• the positive button of the axis if the value is positive.

fn set_axis_pair(&self, world: &mut World, value: Vec2)

Simulate a dual-axis-like input by sending the appropriate event.

impl FromReflect for VirtualDPad

where VirtualDPad: Any + Send + Sync, Box<dyn Buttonlike>: FromReflect + TypePath + MaybeTyped + RegisterForReflection, Vec<DualAxisProcessor>: FromReflect + TypePath + MaybeTyped + RegisterForReflection,

fn from_reflect(reflect: &dyn PartialReflect) -> Option<Self>

Constructs a concrete instance of Self from a reflected value.

fn take_from_reflect( reflect: Box<dyn PartialReflect>, ) -> Result<Self, Box<dyn PartialReflect>>

Attempts to downcast the given value to Self using, constructing the value using from_reflect if that fails.

impl GetTypeRegistration for VirtualDPad

where VirtualDPad: Any + Send + Sync, Box<dyn Buttonlike>: FromReflect + TypePath + MaybeTyped + RegisterForReflection, Vec<DualAxisProcessor>: FromReflect + TypePath + MaybeTyped + RegisterForReflection,

fn get_type_registration() -> TypeRegistration

Returns the default TypeRegistration for this type.

fn register_type_dependencies(registry: &mut TypeRegistry)

Registers other types needed by this type.

impl Hash for VirtualDPad

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for VirtualDPad

fn eq(&self, other: &VirtualDPad) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialReflect for VirtualDPad

where VirtualDPad: Any + Send + Sync, Box<dyn Buttonlike>: FromReflect + TypePath + MaybeTyped + RegisterForReflection, Vec<DualAxisProcessor>: FromReflect + TypePath + MaybeTyped + RegisterForReflection,

fn get_represented_type_info(&self) -> Option<&'static TypeInfo>

Returns the TypeInfo of the type represented by this value.

fn try_apply(&mut self, value: &dyn PartialReflect) -> Result<(), ApplyError>

Tries to apply a reflected value to this value.

fn reflect_kind(&self) -> ReflectKind

Returns a zero-sized enumeration of “kinds” of type.

fn reflect_ref(&self) -> ReflectRef<'_>

Returns an immutable enumeration of “kinds” of type.

fn reflect_mut(&mut self) -> ReflectMut<'_>

Returns a mutable enumeration of “kinds” of type.

fn reflect_owned(self: Box<Self>) -> ReflectOwned

Returns an owned enumeration of “kinds” of type.

fn try_into_reflect( self: Box<Self>, ) -> Result<Box<dyn Reflect>, Box<dyn PartialReflect>>

Attempts to cast this type to a boxed, fully-reflected value.

fn try_as_reflect(&self) -> Option<&dyn Reflect>

Attempts to cast this type to a fully-reflected value.

fn try_as_reflect_mut(&mut self) -> Option<&mut dyn Reflect>

Attempts to cast this type to a mutable, fully-reflected value.

fn into_partial_reflect(self: Box<Self>) -> Box<dyn PartialReflect>

Casts this type to a boxed, reflected value.

fn as_partial_reflect(&self) -> &dyn PartialReflect

Casts this type to a reflected value.

fn as_partial_reflect_mut(&mut self) -> &mut dyn PartialReflect

Casts this type to a mutable, reflected value.

fn reflect_partial_eq(&self, value: &dyn PartialReflect) -> Option<bool>

Returns a “partial equality” comparison result.

fn reflect_clone(&self) -> Result<Box<dyn Reflect>, ReflectCloneError>

Attempts to clone Self using reflection.

fn apply(&mut self, value: &(dyn PartialReflect + 'static))

Applies a reflected value to this value.

fn clone_value(&self) -> Box<dyn PartialReflect>

👎Deprecated since 0.16.0: to clone reflected values, prefer using reflect_clone. To convert reflected values to dynamic ones, use to_dynamic.

Clones Self into its dynamic representation.

fn to_dynamic(&self) -> Box<dyn PartialReflect>

Converts this reflected value into its dynamic representation based on its kind.

fn reflect_hash(&self) -> Option<u64>

Returns a hash of the value (which includes the type).

fn debug(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Debug formatter for the value.

fn is_dynamic(&self) -> bool

Indicates whether or not this type is a dynamic type.

impl Reflect for VirtualDPad

where VirtualDPad: Any + Send + Sync, Box<dyn Buttonlike>: FromReflect + TypePath + MaybeTyped + RegisterForReflection, Vec<DualAxisProcessor>: FromReflect + TypePath + MaybeTyped + RegisterForReflection,

fn into_any(self: Box<Self>) -> Box<dyn Any>

Returns the value as a Box<dyn Any>.

fn as_any(&self) -> &dyn Any

Returns the value as a &dyn Any.

fn as_any_mut(&mut self) -> &mut dyn Any

Returns the value as a &mut dyn Any.

fn into_reflect(self: Box<Self>) -> Box<dyn Reflect>

Casts this type to a boxed, fully-reflected value.

fn as_reflect(&self) -> &dyn Reflect

Casts this type to a fully-reflected value.

fn as_reflect_mut(&mut self) -> &mut dyn Reflect

Casts this type to a mutable, fully-reflected value.

fn set(&mut self, value: Box<dyn Reflect>) -> Result<(), Box<dyn Reflect>>

Performs a type-checked assignment of a reflected value to this value.

impl<'de> RegisterTypeTag<'de, dyn DualAxislike> for VirtualDPad

fn register_typetag(registry: &mut InfallibleMapRegistry<dyn DualAxislike>)

Registers the specified type tag into the InfallibleMapRegistry.

impl Serialize for VirtualDPad

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl Struct for VirtualDPad

where VirtualDPad: Any + Send + Sync, Box<dyn Buttonlike>: FromReflect + TypePath + MaybeTyped + RegisterForReflection, Vec<DualAxisProcessor>: FromReflect + TypePath + MaybeTyped + RegisterForReflection,

fn field(&self, name: &str) -> Option<&dyn PartialReflect>

Returns a reference to the value of the field named name as a &dyn PartialReflect.

fn field_mut(&mut self, name: &str) -> Option<&mut dyn PartialReflect>

Returns a mutable reference to the value of the field named name as a &mut dyn PartialReflect.

fn field_at(&self, index: usize) -> Option<&dyn PartialReflect>

Returns a reference to the value of the field with index index as a &dyn PartialReflect.

fn field_at_mut(&mut self, index: usize) -> Option<&mut dyn PartialReflect>

Returns a mutable reference to the value of the field with index index as a &mut dyn PartialReflect.

fn name_at(&self, index: usize) -> Option<&str>

Returns the name of the field with index index.

fn field_len(&self) -> usize

Returns the number of fields in the struct.

fn iter_fields(&self) -> FieldIter<'_>

Returns an iterator over the values of the reflectable fields for this struct.

fn to_dynamic_struct(&self) -> DynamicStruct

fn clone_dynamic(&self) -> DynamicStruct

👎Deprecated since 0.16.0: use to_dynamic_struct instead

Clones the struct into a DynamicStruct.

fn get_represented_struct_info(&self) -> Option<&'static StructInfo>

Will return None if TypeInfo is not available.

impl TypePath for VirtualDPad

where VirtualDPad: Any + Send + Sync,

fn type_path() -> &'static str

Returns the fully qualified path of the underlying type.

fn short_type_path() -> &'static str

Returns a short, pretty-print enabled path to the type.

fn type_ident() -> Option<&'static str>

Returns the name of the type, or None if it is anonymous.

fn crate_name() -> Option<&'static str>

Returns the name of the crate the type is in, or None if it is anonymous.

fn module_path() -> Option<&'static str>

Returns the path to the module the type is in, or None if it is anonymous.

impl Typed for VirtualDPad

where VirtualDPad: Any + Send + Sync, Box<dyn Buttonlike>: FromReflect + TypePath + MaybeTyped + RegisterForReflection, Vec<DualAxisProcessor>: FromReflect + TypePath + MaybeTyped + RegisterForReflection,

fn type_info() -> &'static TypeInfo

Returns the compile-time info for the underlying type.

impl UserInput for VirtualDPad

fn kind(&self) -> InputControlKind

VirtualDPad acts as a dual-axis input.

fn decompose(&self) -> BasicInputs

Returns the four GamepadButtons used by this D-pad.

impl WithDualAxisProcessingPipelineExt for VirtualDPad

fn reset_processing_pipeline(self) -> Self

Resets the processing pipeline, removing any currently applied processors.

fn replace_processing_pipeline( self, processor: impl IntoIterator<Item = DualAxisProcessor>, ) -> Self

Replaces the current processing pipeline with the given DualAxisProcessors.

fn with_processor(self, processor: impl Into<DualAxisProcessor>) -> Self

Appends the given DualAxisProcessor as the next processing step.

fn digital(self) -> Self

Appends an DualAxisProcessor::Digital processor as the next processing step, similar to Vec2::signum but returning 0.0 for zero values.

fn inverted(self) -> Self

Appends a DualAxisInverted::ALL processor as the next processing step, flipping the sign of values on both axes.

fn inverted_x(self) -> Self

Appends a DualAxisInverted::ONLY_X processor as the next processing step, only flipping the sign of the X-axis values.

fn inverted_y(self) -> Self

Appends a DualAxisInverted::ONLY_Y processor as the next processing step, only flipping the sign of the Y-axis values.

fn sensitivity(self, sensitivity: f32) -> Self

Appends a DualAxisSensitivity processor as the next processing step, multiplying values on both axes with the given sensitivity factor.

fn sensitivity_x(self, sensitivity: f32) -> Self

Appends a DualAxisSensitivity processor as the next processing step, only multiplying the X-axis values with the given sensitivity factor.

fn sensitivity_y(self, sensitivity: f32) -> Self

Appends a DualAxisSensitivity processor as the next processing step, only multiplying the Y-axis values with the given sensitivity factor.

fn with_bounds(self, min: f32, max: f32) -> Self

Appends a DualAxisBounds processor as the next processing step, restricting values within the same range [min, max] on both axes.

fn with_bounds_symmetric(self, threshold: f32) -> Self

Appends a DualAxisBounds processor as the next processing step, restricting values within the same range [-threshold, threshold] on both axes.

fn with_bounds_x(self, min: f32, max: f32) -> Self

Appends a DualAxisBounds processor as the next processing step, only restricting values within the range [min, max] on the X-axis.

fn with_bounds_x_symmetric(self, threshold: f32) -> Self

Appends a DualAxisBounds processor as the next processing step, restricting values within the range [-threshold, threshold] on the X-axis.

fn with_bounds_y(self, min: f32, max: f32) -> Self

Appends a DualAxisBounds processor as the next processing step, only restricting values within the range [min, max] on the Y-axis.

fn with_bounds_y_symmetric(self, threshold: f32) -> Self

Appends a DualAxisBounds processor as the next processing step, restricting values within the range [-threshold, threshold] on the Y-axis.

fn at_least(self, min: f32) -> Self

Appends a DualAxisBounds processor as the next processing step, restricting values to a minimum value on both axes.

fn at_least_only_x(self, min: f32) -> Self

Appends a DualAxisBounds processor as the next processing step, restricting X values to a minimum value.

fn at_least_only_y(self, min: f32) -> Self

Appends a DualAxisBounds processor as the next processing step, restricting Y values to a minimum value.

fn at_most(self, min: f32) -> Self

Appends a DualAxisBounds processor as the next processing step, restricting values to a maximum value on both axes.

fn at_most_only_x(self, min: f32) -> Self

Appends a DualAxisBounds processor as the next processing step, restricting X values to a maximum value.

fn at_most_only_y(self, min: f32) -> Self

Appends a DualAxisBounds processor as the next processing step, restricting Y values to a maximum value.

fn with_circle_bounds(self, max: f32) -> Self

Appends a CircleBounds processor as the next processing step, restricting values to a max magnitude.

fn with_deadzone(self, negative_max: f32, positive_min: f32) -> Self

Appends a DualAxisDeadZone processor as the next processing step, excluding values within the dead zone range [negative_max, positive_min] on both axes, treating them as zeros, then normalizing non-excluded input values into the “live zone”, the remaining range within the DualAxisBounds::symmetric_all(1.0) after dead zone exclusion.

fn with_deadzone_symmetric(self, threshold: f32) -> Self

Appends a DualAxisDeadZone processor as the next processing step, excluding values within the dead zone range [-threshold, threshold] on both axes, treating them as zeros, then normalizing non-excluded input values into the “live zone”, the remaining range within the DualAxisBounds::symmetric_all(1.0) after dead zone exclusion.

fn only_positive(self, positive_min: f32) -> Self

Appends a DualAxisDeadZone processor as the next processing step, only passing positive values that greater than positive_min on both axes and then normalizing them into the “live zone” range [positive_min, 1.0].

fn only_negative(self, negative_max: f32) -> Self

Appends a DualAxisDeadZone processor as the next processing step, only passing negative values that less than negative_max on both axes and then normalizing them into the “live zone” range [-1.0, negative_max].

fn with_deadzone_x(self, negative_max: f32, positive_min: f32) -> Self

Appends a DualAxisDeadZone processor as the next processing step, excluding values within the range [negative_max, positive_min] on the X-axis, treating them as zeros, then normalizing non-excluded X values into the “live zone”, the remaining range within the AxisBounds::symmetric(1.0) after dead zone exclusion.

fn with_deadzone_x_symmetric(self, threshold: f32) -> Self

Appends a DualAxisDeadZone processor as the next processing step, excluding values within the range [-threshold, threshold] on the X-axis, treating them as zeros, then normalizing non-excluded X values into the “live zone”, the remaining range within the AxisBounds::symmetric(1.0) after dead zone exclusion.

fn only_positive_x(self, positive_min: f32) -> Self

Appends a DualAxisDeadZone processor as the next processing step, only excluding X values that less than or equal to positive_min, treating them as zeros and then normalizing non-excluded X values into the “live zone” range [positive_min, 1.0].

fn only_negative_x(self, negative_max: f32) -> Self

Appends a DualAxisDeadZone processor as the next processing step, only excluding X values that greater than or equal to negative_max, treating them as zeros and then normalizing non-excluded X values into the “live zone” range [-1.0, negative_max].

fn with_deadzone_y(self, negative_max: f32, positive_min: f32) -> Self

Appends a DualAxisDeadZone processor as the next processing step, excluding values within the range [negative_max, positive_min] on the Y-axis, treating them as zeros, then normalizing non-excluded Y values into the “live zone”, the remaining range within the AxisBounds::symmetric(1.0) after dead zone exclusion.

fn with_deadzone_y_symmetric(self, threshold: f32) -> Self

Appends a DualAxisDeadZone processor as the next processing step, excluding values within the range [-threshold, threshold] on the Y-axis, treating them as zeros, then normalizing non-excluded Y values into the “live zone”, the remaining range within the AxisBounds::symmetric(1.0) after dead zone exclusion.

fn only_positive_y(self, positive_min: f32) -> Self

Appends a DualAxisDeadZone processor as the next processing step, only excluding Y values that less than or equal to positive_min, treating them as zeros and then normalizing non-excluded Y values into the range [positive_min, 1.0].

fn only_negative_y(self, negative_max: f32) -> Self

Appends a DualAxisDeadZone processor as the next processing step, only excluding Y values that greater than or equal to negative_max, treating them as zeros and then normalizing non-excluded Y values into the range [-1.0, negative_max].

fn with_circle_deadzone(self, min: f32) -> Self

Appends a CircleDeadZone processor as the next processing step, ignoring values below a min magnitude, treating them as zeros, then normalizing non-excluded input values into the “live zone”, the remaining range within the CircleBounds::new(1.0) after dead zone exclusion.

fn with_deadzone_unscaled(self, negative_max: f32, positive_min: f32) -> Self

Appends a DualAxisExclusion processor as the next processing step, ignoring values within the range [negative_max, positive_min] on both axes, treating them as zeros.

fn with_deadzone_symmetric_unscaled(self, threshold: f32) -> Self

Appends a DualAxisExclusion processor as the next processing step, ignoring values within the range [-threshold, threshold] on both axes, treating them as zeros.

fn only_positive_unscaled(self, positive_min: f32) -> Self

Appends a DualAxisExclusion processor as the next processing step, only passing positive values that greater than positive_min on both axes, treating them as zeros.

fn only_negative_unscaled(self, negative_max: f32) -> Self

Appends a DualAxisExclusion processor as the next processing step, only passing negative values that less than negative_max on both axes, treating them as zeros.

fn with_deadzone_x_unscaled(self, negative_max: f32, positive_min: f32) -> Self

Appends a DualAxisExclusion processor as the next processing step, only ignoring values within the range [negative_max, positive_min] on the X-axis, treating them as zeros.

fn with_deadzone_x_symmetric_unscaled(self, threshold: f32) -> Self

Appends a DualAxisExclusion processor as the next processing step, only ignoring values within the range [-threshold, threshold] on the X-axis, treating them as zeros.

fn only_positive_x_unscaled(self, positive_min: f32) -> Self

Appends a DualAxisExclusion processor as the next processing step, only excluding X values that less than or equal to positive_min, treating them as zeros.

fn only_negative_x_unscaled(self, negative_max: f32) -> Self

Appends a DualAxisExclusion processor as the next processing step, only excluding X values that greater than or equal to negative_max, treating them as zeros.

fn with_deadzone_y_unscaled(self, negative_max: f32, positive_min: f32) -> Self

Appends a DualAxisExclusion processor as the next processing step, only ignoring values within the range [negative_max, positive_min] on the Y-axis, treating them as zeros.

fn with_deadzone_y_symmetric_unscaled(self, threshold: f32) -> Self

Appends a DualAxisExclusion processor as the next processing step, only ignoring values within the range [-threshold, threshold] on the Y-axis, treating them as zeros.

fn only_positive_y_unscaled(self, positive_min: f32) -> Self

Appends a DualAxisExclusion processor as the next processing step, only excluding Y values that less than or equal to positive_min, treating them as zeros.

fn only_negative_y_unscaled(self, negative_max: f32) -> Self

Appends a DualAxisExclusion processor as the next processing step, only excluding Y values that greater than or equal to negative_max, treating them as zeros.

fn with_circle_deadzone_unscaled(self, min: f32) -> Self

Appends a CircleExclusion processor as the next processing step, ignoring values below a min magnitude, treating them as zeros.

impl Eq for VirtualDPad

impl StructuralPartialEq for VirtualDPad