53 lines
1.5 KiB
Rust
53 lines
1.5 KiB
Rust
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use bevy::prelude::*;
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//use bevy::input::mouse::{MouseButtonInput,MouseWheel,MouseMotion};
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use bevy::input::mouse::{MouseWheel,MouseMotion};
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//use bevy::input::ButtonState;
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use crate::CameraState;
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pub fn mouse_move_events(
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buttons: Res<Input<MouseButton>>,
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mut mouse_wheel_events: EventReader<MouseWheel>,
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mut mouse_motion_events: EventReader<MouseMotion>,
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mut query: Query<(&mut Transform, &mut CameraState)>
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) {
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let (mut transform, mut state) = query.single_mut();
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for event in mouse_wheel_events.iter() {
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let scale = state.scale;
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state.scale = (scale + event.y * scale)
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.clamp(0.001, 0.1);
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*transform = transform.with_scale(Vec3::new(state.scale,
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state.scale, 1.0));
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}
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if buttons.pressed(MouseButton::Left) {
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let scale = state.scale;
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for event in mouse_motion_events.iter() {
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state.pos -= event.delta * scale;
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}
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transform.translation = Vec3::new(state.pos.x, -state.pos.y, 0.0);
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}
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}
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/*
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pub fn mouse_button_events(
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mut commands: Commands,
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mut mouse_button_events: EventReader<MouseButtonInput>
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) {
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for _event in mouse_button_events.iter() {
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if event.button == MouseButton::Left &&
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event.state == ButtonState::Pressed {
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} else if event.button == MouseButton::Right &&
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event.state == ButtonState::Pressed {
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for (entity,_) in &query {
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commands.entity(entity).despawn();
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terrain_events
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.send(GenTerrainEvent { seed: rand::random() });
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}
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}
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}
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}
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*/
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