bevy/examples/input/gamepad_input.rs
Carter Anderson 3a6f6de277
System Inputs, Outputs, Chaining, and Registration Ergo (#876)
System Inputs, Outputs, Chaining, and Registration Ergo
2020-11-16 18:18:00 -08:00

65 lines
2.1 KiB
Rust

use bevy::{
input::gamepad::{Gamepad, GamepadButton, GamepadEvent, GamepadEventType},
prelude::*,
utils::HashSet,
};
fn main() {
App::build()
.add_plugins(DefaultPlugins)
.init_resource::<GamepadLobby>()
.add_system_to_stage(stage::PRE_UPDATE, connection_system)
.add_system(gamepad_system)
.run();
}
#[derive(Default)]
struct GamepadLobby {
gamepads: HashSet<Gamepad>,
gamepad_event_reader: EventReader<GamepadEvent>,
}
fn connection_system(mut lobby: ResMut<GamepadLobby>, gamepad_event: Res<Events<GamepadEvent>>) {
for event in lobby.gamepad_event_reader.iter(&gamepad_event) {
match &event {
GamepadEvent(gamepad, GamepadEventType::Connected) => {
lobby.gamepads.insert(*gamepad);
println!("{:?} Connected", gamepad);
}
GamepadEvent(gamepad, GamepadEventType::Disconnected) => {
lobby.gamepads.remove(gamepad);
println!("{:?} Disconnected", gamepad);
}
_ => (),
}
}
}
fn gamepad_system(
lobby: Res<GamepadLobby>,
button_inputs: Res<Input<GamepadButton>>,
button_axes: Res<Axis<GamepadButton>>,
axes: Res<Axis<GamepadAxis>>,
) {
for gamepad in lobby.gamepads.iter().cloned() {
if button_inputs.just_pressed(GamepadButton(gamepad, GamepadButtonType::South)) {
println!("{:?} just pressed South", gamepad);
} else if button_inputs.just_released(GamepadButton(gamepad, GamepadButtonType::South)) {
println!("{:?} just released South", gamepad);
}
let right_trigger = button_axes
.get(GamepadButton(gamepad, GamepadButtonType::RightTrigger2))
.unwrap();
if right_trigger.abs() > 0.01 {
println!("{:?} RightTrigger2 value is {}", gamepad, right_trigger);
}
let left_stick_x = axes
.get(GamepadAxis(gamepad, GamepadAxisType::LeftStickX))
.unwrap();
if left_stick_x.abs() > 0.01 {
println!("{:?} LeftStickX value is {}", gamepad, left_stick_x);
}
}
}