mirror of
https://github.com/bevyengine/bevy
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59ee512292
# Objective - Bevy currently has no simple way to make an "empty" Entity work correctly in a Hierachy. - The current Solution is to insert a Tuple instead: ```rs .insert_bundle((Transform::default(), GlobalTransform::default())) ``` ## Solution * Add a `TransformBundle` that combines the Components: ```rs .insert_bundle(TransformBundle::default()) ``` * The code is based on #2331, except for missing the more controversial usage of `TransformBundle` as a Sub-bundle in preexisting Bundles. Co-authored-by: MinerSebas <66798382+MinerSebas@users.noreply.github.com> Co-authored-by: Carter Anderson <mcanders1@gmail.com>
74 lines
2.4 KiB
Rust
74 lines
2.4 KiB
Rust
use bevy::prelude::*;
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/// This example shows how to configure Physically Based Rendering (PBR) parameters.
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fn main() {
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App::new()
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.add_plugins(DefaultPlugins)
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.add_startup_system(setup)
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.run();
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}
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/// set up a simple 3D scene
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fn setup(
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mut commands: Commands,
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mut meshes: ResMut<Assets<Mesh>>,
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mut materials: ResMut<Assets<StandardMaterial>>,
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) {
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// add entities to the world
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for y in -2..=2 {
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for x in -5..=5 {
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let x01 = (x + 5) as f32 / 10.0;
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let y01 = (y + 2) as f32 / 4.0;
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// sphere
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commands.spawn_bundle(PbrBundle {
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mesh: meshes.add(Mesh::from(shape::Icosphere {
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radius: 0.45,
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subdivisions: 32,
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})),
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material: materials.add(StandardMaterial {
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base_color: Color::hex("ffd891").unwrap(),
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// vary key PBR parameters on a grid of spheres to show the effect
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metallic: y01,
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perceptual_roughness: x01,
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..Default::default()
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}),
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transform: Transform::from_xyz(x as f32, y as f32 + 0.5, 0.0),
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..Default::default()
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});
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}
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}
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// unlit sphere
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commands.spawn_bundle(PbrBundle {
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mesh: meshes.add(Mesh::from(shape::Icosphere {
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radius: 0.45,
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subdivisions: 32,
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})),
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material: materials.add(StandardMaterial {
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base_color: Color::hex("ffd891").unwrap(),
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// vary key PBR parameters on a grid of spheres to show the effect
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unlit: true,
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..Default::default()
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}),
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transform: Transform::from_xyz(-5.0, -2.5, 0.0),
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..Default::default()
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});
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// light
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commands.spawn_bundle(PointLightBundle {
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transform: Transform::from_xyz(50.0, 50.0, 50.0),
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point_light: PointLight {
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intensity: 600000.,
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range: 100.,
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..Default::default()
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},
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..Default::default()
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});
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// camera
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commands.spawn_bundle(OrthographicCameraBundle {
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transform: Transform::from_xyz(0.0, 0.0, 8.0).looking_at(Vec3::default(), Vec3::Y),
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orthographic_projection: OrthographicProjection {
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scale: 0.01,
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..Default::default()
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},
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..OrthographicCameraBundle::new_3d()
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});
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}
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