77 lines
2.4 KiB
Rust
77 lines
2.4 KiB
Rust
//! This example demonstrates how to load FBX files using the `bevy_fbx` crate.
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//!
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//! The example loads a simple cube model from an FBX file and displays it
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//! with proper lighting and shadows. The cube should rotate in the scene.
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use bevy::{
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fbx::FbxAssetLabel,
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pbr::{CascadeShadowConfigBuilder, DirectionalLightShadowMap},
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prelude::*,
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};
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use std::f32::consts::*;
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fn main() {
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App::new()
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.insert_resource(DirectionalLightShadowMap { size: 4096 })
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.add_plugins(DefaultPlugins)
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.add_systems(Startup, setup)
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.add_systems(Update, animate_light_direction)
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.run();
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}
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fn setup(mut commands: Commands, asset_server: Res<AssetServer>) {
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commands.spawn((
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Camera3d::default(),
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// Transform::from_xyz(0.7, 2.0, 10.0).looking_at(Vec3::ZERO, Vec3::Y),
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Transform::from_xyz(5.0, 5.0, 5.0).looking_at(Vec3::ZERO, Vec3::Y),
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EnvironmentMapLight {
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diffuse_map: asset_server.load("environment_maps/pisa_diffuse_rgb9e5_zstd.ktx2"),
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specular_map: asset_server.load("environment_maps/pisa_specular_rgb9e5_zstd.ktx2"),
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intensity: 550.0,
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..default()
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},
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));
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commands.spawn((
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DirectionalLight {
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shadows_enabled: true,
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..default()
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},
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// This is a relatively small scene, so use tighter shadow
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// cascade bounds than the default for better quality.
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// We also adjusted the shadow map to be larger since we're
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// only using a single cascade.
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CascadeShadowConfigBuilder {
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num_cascades: 1,
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maximum_distance: 1.6,
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..default()
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}
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.build(),
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));
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// Load the FBX file and spawn its first scene
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commands.spawn(SceneRoot(
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asset_server.load(FbxAssetLabel::Scene(0).from_asset("models/cube/cube.fbx")),
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));
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// commands.spawn(SceneRoot(
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// asset_server.load(FbxAssetLabel::Scene(0).from_asset("models/nurbs_saddle.fbx")),
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// ));
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// commands.spawn(SceneRoot(
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// asset_server.load(FbxAssetLabel::Scene(0).from_asset("models/cube_anim.fbx")),
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// ));
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}
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fn animate_light_direction(
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time: Res<Time>,
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mut query: Query<&mut Transform, With<DirectionalLight>>,
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) {
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for mut transform in &mut query {
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transform.rotation = Quat::from_euler(
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EulerRot::ZYX,
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0.0,
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time.elapsed_secs() * PI / 5.0,
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-FRAC_PI_4,
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);
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}
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}
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