docs/bevy/examples/input/touch_input.rs 988 B · 38 lines · raw · history

1 //! Displays touch presses, releases, and cancels.
2
3 use bevy::{input::touch::*, prelude::*};
4
5 fn main() {
6 App::new()
7 .add_plugins(DefaultPlugins)
8 .add_systems(Update, touch_system)
9 .run();
10 }
11
12 fn touch_system(touches: Res<Touches>) {
13 for touch in touches.iter_just_pressed() {
14 info!(
15 "just pressed touch with id: {}, at: {}",
16 touch.id(),
17 touch.position()
18 );
19 }
20
21 for touch in touches.iter_just_released() {
22 info!(
23 "just released touch with id: {}, at: {}",
24 touch.id(),
25 touch.position()
26 );
27 }
28
29 for touch in touches.iter_just_canceled() {
30 info!("canceled touch with id: {}", touch.id());
31 }
32
33 // you can also iterate all current touches and retrieve their state like this:
34 for touch in touches.iter() {
35 info!("active touch: {touch:?}");
36 info!(" just_pressed: {}", touches.just_pressed(touch.id()));
37 }
38 }