cyber_rider/src/geometry.rs

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Rust
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use bevy::prelude::*;
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use crate::Label;
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pub const PLANET_RADIUS: f32 = 860.0;
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pub(crate) const SPAWN_ALTITUDE: f32 = PLANET_RADIUS + 100.0;
#[derive(Component, Debug)]
pub struct CyberBike;
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#[derive(Component)]
pub struct CyberSphere;
fn spawn_giant_sphere(
mut commands: Commands,
mut meshes: ResMut<Assets<Mesh>>,
mut materials: ResMut<Assets<StandardMaterial>>,
) {
let mut color = Color::DARK_GRAY;
color.set_a(0.0);
commands
.spawn_bundle(PbrBundle {
mesh: meshes.add(Mesh::from(shape::Icosphere {
radius: PLANET_RADIUS,
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subdivisions: 24,
})),
material: materials.add(StandardMaterial {
base_color: color,
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metallic: 0.6,
perceptual_roughness: 0.4,
alpha_mode: AlphaMode::Mask(0.5),
..Default::default()
}),
..Default::default()
})
.insert(CyberSphere);
}
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fn spawn_cyberbike(mut commands: Commands, asset_server: Res<AssetServer>) {
commands
.spawn_bundle((
Transform {
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translation: Vec3::new(SPAWN_ALTITUDE, 0.0, 0.0),
..Default::default()
}
.looking_at(Vec3::ZERO, Vec3::Y),
GlobalTransform::identity(),
))
.with_children(|rider| {
rider.spawn_scene(asset_server.load("cyber-bike_no_y_up.glb#Scene0"));
})
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.insert(CyberBike);
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}
pub struct CyberGeomPlugin;
impl Plugin for CyberGeomPlugin {
fn build(&self, app: &mut App) {
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app.add_startup_system(spawn_giant_sphere.label(Label::Geometry))
.add_startup_system(spawn_cyberbike.label(Label::Geometry));
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}
}