65 lines
2 KiB
Rust
65 lines
2 KiB
Rust
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use bevy::{
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prelude::*,
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window::{PrimaryWindow, WindowMode},
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};
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use crate::material::CustomMaterial;
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/// Marker component for the fullscreen quad so we can update it on window resize
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#[derive(Component)]
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pub struct FullscreenQuad;
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/// set up a simple 2D-screen-like surface
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pub fn setup(
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mut meshes: ResMut<Assets<Mesh>>,
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mut materials: ResMut<Assets<CustomMaterial>>,
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mut primary_window: Single<&mut Window, With<PrimaryWindow>>,
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mut commands: Commands,
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) {
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primary_window.decorations = false;
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commands.spawn(Camera2d);
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// quad that fills the whole window
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let screen_size = Vec2::new(
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primary_window.resolution.width(),
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primary_window.resolution.height(),
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);
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// create material with initial time = 0.0
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let material_handle = materials.add(CustomMaterial {
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time: 0.0,
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resolution: screen_size,
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});
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commands.spawn((
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Mesh2d(meshes.add(Rectangle::default())),
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MeshMaterial2d(material_handle),
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Transform::from_scale(Vec3::new(screen_size.x, screen_size.y, 1.0)),
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FullscreenQuad,
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));
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}
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/// Update fullscreen quad transforms when the primary window is resized.
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pub fn resize_fullscreen_quad(
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primary_window: Single<&Window, With<PrimaryWindow>>,
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mut transform: Single<&mut Transform, With<FullscreenQuad>>,
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) {
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let size = Vec2::new(
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primary_window.resolution.width(),
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primary_window.resolution.height(),
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);
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transform.scale = Vec3::new(size.x, size.y, 1.0);
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}
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pub fn exit_app(mut exit: EventWriter<AppExit>) {
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exit.write(AppExit::Success);
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}
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pub fn toggle_fullscreen(mut primary_window: Single<&mut Window, With<PrimaryWindow>>) {
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primary_window.mode = match primary_window.mode {
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WindowMode::BorderlessFullscreen(_) => WindowMode::Windowed,
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WindowMode::Windowed => WindowMode::BorderlessFullscreen(MonitorSelection::Current),
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WindowMode::Fullscreen(_, _) => WindowMode::BorderlessFullscreen(MonitorSelection::Current),
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};
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}
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