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use bevy::prelude::*;
use leafwing_input_manager::prelude::*;
fn main() {
App::new()
.add_plugins(DefaultPlugins)
// This plugin maps inputs to an input-type agnostic action-state
// We need to provide it with an enum which stores the possible actions a player could take
.add_plugin(InputManagerPlugin::<Action>::default())
// Spawn an entity with Player, InputMap, and ActionState components
.add_startup_system(spawn_player)
// Read the ActionState in your systems using queries!
.add_system(move_player)
.run();
}
#[derive(Actionlike, PartialEq, Eq, Clone, Copy, Hash, Debug)]
enum Action {
Move,
Throttle,
Rudder,
}
#[derive(Component)]
struct Player;
fn spawn_player(mut commands: Commands) {
commands
.spawn(InputManagerBundle::<Action> {
// Stores "which actions are currently activated"
action_state: ActionState::default(),
// Describes how to convert from player inputs into those actions
input_map: InputMap::default()
// Configure the left stick as a dual-axis
.insert(DualAxis::left_stick(), Action::Move)
// Let's bind the right gamepad trigger to the throttle action
.insert(GamepadButtonType::RightTrigger2, Action::Throttle)
// And we'll use the right stick's x axis as a rudder control
.insert(
// This will trigger if the axis is moved 10% or more in either direction.
SingleAxis::symmetric(GamepadAxisType::RightStickX, 0.1),
Action::Rudder,
)
.build(),
})
.insert(Player);
}
// Query for the `ActionState` component in your game logic systems!
fn move_player(query: Query<&ActionState<Action>, With<Player>>) {
let action_state = query.single();
// Each action has a button-like state of its own that you can check
if action_state.pressed(Action::Move) {
// We're working with gamepads, so we want to defensively ensure that we're using the clamped values
let axis_pair = action_state.clamped_axis_pair(Action::Move).unwrap();
println!("Move:");
println!(" distance: {}", axis_pair.length());
println!(" x: {}", axis_pair.x());
println!(" y: {}", axis_pair.y());
}
if action_state.pressed(Action::Throttle) {
// Note that some gamepad buttons are also tied to axes, so even though we used a
// GamepadbuttonType::RightTrigger2 binding to trigger the throttle action, we can get a
// variable value here if you have a variable right trigger on your gamepad.
//
// If you don't have a variable trigger, this will just return 0.0 when not pressed and 1.0
// when pressed.
let value = action_state.clamped_value(Action::Throttle);
println!("Throttle: {}", value);
}
if action_state.pressed(Action::Rudder) {
let value = action_state.clamped_value(Action::Rudder);
println!("Rudder: {}", value);
}
}