e3fb23d4d3
Fixes #1895 Changed most `println` to `info` in examples, some to `warn` when it was useful to differentiate from other more noisy logs. Added doc on `LogPlugin`, how to configure it, and why (and how) you may need to disable it
84 lines
3.1 KiB
Rust
84 lines
3.1 KiB
Rust
use bevy::prelude::*;
|
|
|
|
/// This example illustrates various ways to load assets
|
|
fn main() {
|
|
App::build()
|
|
.insert_resource(Msaa { samples: 4 })
|
|
.add_plugins(DefaultPlugins)
|
|
.add_startup_system(setup.system())
|
|
.run();
|
|
}
|
|
|
|
fn setup(
|
|
mut commands: Commands,
|
|
asset_server: Res<AssetServer>,
|
|
meshes: Res<Assets<Mesh>>,
|
|
mut materials: ResMut<Assets<StandardMaterial>>,
|
|
) {
|
|
// By default AssetServer will load assets from inside the "assets" folder.
|
|
// For example, the next line will load "ROOT/assets/models/cube/cube.gltf#Mesh0/Primitive0",
|
|
// where "ROOT" is the directory of the Application.
|
|
//
|
|
// This can be overridden by setting the "CARGO_MANIFEST_DIR" environment variable (see
|
|
// https://doc.rust-lang.org/cargo/reference/environment-variables.html)
|
|
// to another directory. When the Application is run through Cargo, "CARGO_MANIFEST_DIR" is
|
|
// automatically set to your crate (workspace) root directory.
|
|
let cube_handle = asset_server.load("models/cube/cube.gltf#Mesh0/Primitive0");
|
|
let sphere_handle = asset_server.load("models/sphere/sphere.gltf#Mesh0/Primitive0");
|
|
|
|
// All assets end up in their Assets<T> collection once they are done loading:
|
|
if let Some(sphere) = meshes.get(&sphere_handle) {
|
|
// You might notice that this doesn't run! This is because assets load in parallel without
|
|
// blocking. When an asset has loaded, it will appear in relevant Assets<T>
|
|
// collection.
|
|
info!("{:?}", sphere.primitive_topology());
|
|
} else {
|
|
info!("sphere hasn't loaded yet");
|
|
}
|
|
|
|
// You can load all assets in a folder like this. They will be loaded in parallel without
|
|
// blocking
|
|
let _scenes: Vec<HandleUntyped> = asset_server.load_folder("models/monkey").unwrap();
|
|
|
|
// Then any asset in the folder can be accessed like this:
|
|
let monkey_handle = asset_server.get_handle("models/monkey/Monkey.gltf#Mesh0/Primitive0");
|
|
|
|
// You can also add assets directly to their Assets<T> storage:
|
|
let material_handle = materials.add(StandardMaterial {
|
|
base_color: Color::rgb(0.8, 0.7, 0.6),
|
|
..Default::default()
|
|
});
|
|
|
|
// monkey
|
|
commands.spawn_bundle(PbrBundle {
|
|
mesh: monkey_handle,
|
|
material: material_handle.clone(),
|
|
transform: Transform::from_xyz(-3.0, 0.0, 0.0),
|
|
..Default::default()
|
|
});
|
|
// cube
|
|
commands.spawn_bundle(PbrBundle {
|
|
mesh: cube_handle,
|
|
material: material_handle.clone(),
|
|
transform: Transform::from_xyz(0.0, 0.0, 0.0),
|
|
..Default::default()
|
|
});
|
|
// sphere
|
|
commands.spawn_bundle(PbrBundle {
|
|
mesh: sphere_handle,
|
|
material: material_handle,
|
|
transform: Transform::from_xyz(3.0, 0.0, 0.0),
|
|
..Default::default()
|
|
});
|
|
// light
|
|
commands.spawn_bundle(PointLightBundle {
|
|
transform: Transform::from_xyz(4.0, 5.0, 4.0),
|
|
..Default::default()
|
|
});
|
|
// camera
|
|
commands.spawn_bundle(PerspectiveCameraBundle {
|
|
transform: Transform::from_xyz(0.0, 3.0, 10.0).looking_at(Vec3::ZERO, Vec3::Y),
|
|
..Default::default()
|
|
});
|
|
}
|