55 lines
1.4 KiB
Rust
55 lines
1.4 KiB
Rust
use bevy::{
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input::mouse::{MouseButtonInput, MouseMotion},
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prelude::*,
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window::CursorMoved,
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};
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fn main() {
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App::build()
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.add_default_plugins()
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.init_resource::<State>()
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.add_system(mouse_click_system.system())
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.add_system(mouse_input_event_system.system())
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.run();
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}
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fn mouse_click_system(mouse_button_input: Res<Input<MouseButton>>) {
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if mouse_button_input.just_pressed(MouseButton::Left) {
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println!("left mouse clicked");
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}
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if mouse_button_input.just_released(MouseButton::Left) {
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println!("left mouse released");
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}
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}
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#[derive(Default)]
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struct State {
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mouse_button_event_reader: EventReader<MouseButtonInput>,
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mouse_motion_event_reader: EventReader<MouseMotion>,
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cursor_moved_event_reader: EventReader<CursorMoved>,
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}
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/// prints out all mouse events as they come in
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fn mouse_input_event_system(
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mut state: ResMut<State>,
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mouse_button_input_events: Res<Events<MouseButtonInput>>,
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mouse_motion_events: Res<Events<MouseMotion>>,
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cursor_moved_events: Res<Events<CursorMoved>>,
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) {
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for event in state
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.mouse_button_event_reader
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.iter(&mouse_button_input_events)
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{
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println!("{:?}", event);
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}
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for event in state.mouse_motion_event_reader.iter(&mouse_motion_events) {
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println!("{:?}", event);
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}
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for event in state.cursor_moved_event_reader.iter(&cursor_moved_events) {
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println!("{:?}", event);
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}
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}
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