99e689cfd2
# Objective
- Coming from 7a596f1910 (r876310734)
- Simplify the examples regarding addition of `Msaa` Resource with default value.
## Solution
- Remove addition of `Msaa` Resource with default value from examples,
95 lines
3.0 KiB
Rust
95 lines
3.0 KiB
Rust
use bevy::{input::touch::TouchPhase, prelude::*, window::WindowMode};
|
|
|
|
// the `bevy_main` proc_macro generates the required ios boilerplate
|
|
#[bevy_main]
|
|
fn main() {
|
|
App::new()
|
|
.insert_resource(WindowDescriptor {
|
|
resizable: false,
|
|
mode: WindowMode::BorderlessFullscreen,
|
|
..default()
|
|
})
|
|
.add_plugins(DefaultPlugins)
|
|
.add_startup_system(setup_scene)
|
|
.add_startup_system(setup_music)
|
|
.add_system(touch_camera)
|
|
.run();
|
|
}
|
|
|
|
fn touch_camera(
|
|
windows: ResMut<Windows>,
|
|
mut touches: EventReader<TouchInput>,
|
|
mut camera: Query<&mut Transform, With<Camera>>,
|
|
mut last_position: Local<Option<Vec2>>,
|
|
) {
|
|
for touch in touches.iter() {
|
|
if touch.phase == TouchPhase::Started {
|
|
*last_position = None;
|
|
}
|
|
if let Some(last_position) = *last_position {
|
|
let window = windows.primary();
|
|
let mut transform = camera.single_mut();
|
|
*transform = Transform::from_xyz(
|
|
transform.translation.x
|
|
+ (touch.position.x - last_position.x) / window.width() * 5.0,
|
|
transform.translation.y,
|
|
transform.translation.z
|
|
+ (touch.position.y - last_position.y) / window.height() * 5.0,
|
|
)
|
|
.looking_at(Vec3::ZERO, Vec3::Y);
|
|
}
|
|
*last_position = Some(touch.position);
|
|
}
|
|
}
|
|
|
|
/// set up a simple 3D scene
|
|
fn setup_scene(
|
|
mut commands: Commands,
|
|
mut meshes: ResMut<Assets<Mesh>>,
|
|
mut materials: ResMut<Assets<StandardMaterial>>,
|
|
) {
|
|
// plane
|
|
commands.spawn_bundle(PbrBundle {
|
|
mesh: meshes.add(Mesh::from(shape::Plane { size: 5.0 })),
|
|
material: materials.add(Color::rgb(0.1, 0.2, 0.1).into()),
|
|
..default()
|
|
});
|
|
// cube
|
|
commands.spawn_bundle(PbrBundle {
|
|
mesh: meshes.add(Mesh::from(shape::Cube { size: 1.0 })),
|
|
material: materials.add(Color::rgb(0.5, 0.4, 0.3).into()),
|
|
transform: Transform::from_xyz(0.0, 0.5, 0.0),
|
|
..default()
|
|
});
|
|
// sphere
|
|
commands.spawn_bundle(PbrBundle {
|
|
mesh: meshes.add(Mesh::from(shape::Icosphere {
|
|
subdivisions: 4,
|
|
radius: 0.5,
|
|
})),
|
|
material: materials.add(Color::rgb(0.1, 0.4, 0.8).into()),
|
|
transform: Transform::from_xyz(1.5, 1.5, 1.5),
|
|
..default()
|
|
});
|
|
// light
|
|
commands.spawn_bundle(PointLightBundle {
|
|
transform: Transform::from_xyz(4.0, 8.0, 4.0),
|
|
point_light: PointLight {
|
|
intensity: 5000.0,
|
|
shadows_enabled: true,
|
|
..default()
|
|
},
|
|
..default()
|
|
});
|
|
// camera
|
|
commands.spawn_bundle(PerspectiveCameraBundle {
|
|
transform: Transform::from_xyz(-2.0, 2.5, 5.0).looking_at(Vec3::ZERO, Vec3::Y),
|
|
..default()
|
|
});
|
|
}
|
|
|
|
fn setup_music(asset_server: Res<AssetServer>, audio: Res<Audio>) {
|
|
let music = asset_server.load("sounds/Windless Slopes.ogg");
|
|
audio.play(music);
|
|
}
|