b1a91a823f
* bevy_pbr2: Add support for most of the StandardMaterial textures Normal maps are not included here as they require tangents in a vertex attribute. * bevy_pbr2: Ensure RenderCommandQueue is ready for PbrShaders init * texture_pipelined: Add a light to the scene so we can see stuff * WIP bevy_pbr2: back to front sorting hack * bevy_pbr2: Uniform control flow for texture sampling in pbr.frag From 'fintelia' on the Bevy Render Rework Round 2 discussion: "My understanding is that GPUs these days never use the "execute both branches and select the result" strategy. Rather, what they do is evaluate the branch condition on all threads of a warp, and jump over it if all of them evaluate to false. If even a single thread needs to execute the if statement body, however, then the remaining threads are paused until that is completed." * bevy_pbr2: Simplify texture and sampler names The StandardMaterial_ prefix is no longer needed * bevy_pbr2: Match default 'AmbientColor' of current bevy_pbr for now * bevy_pbr2: Convert from non-linear to linear sRGB for the color uniform * bevy_pbr2: Add pbr_pipelined example * Fix view vector in pbr frag to work in ortho * bevy_pbr2: Use a 90 degree y fov and light range projection for lights * bevy_pbr2: Add AmbientLight resource * bevy_pbr2: Convert PointLight color to linear sRGB for use in fragment shader * bevy_pbr2: pbr.frag: Rename PointLight.projection to view_projection The uniform contains the view_projection matrix so this was incorrect. * bevy_pbr2: PointLight is an OmniLight as it has a radius * bevy_pbr2: Factoring out duplicated code * bevy_pbr2: Implement RenderAsset for StandardMaterial * Remove unnecessary texture and sampler clones * fix comment formatting * remove redundant Buffer:from * Don't extract meshes when their material textures aren't ready * make missing textures in the queue step an error Co-authored-by: Aevyrie <aevyrie@gmail.com> Co-authored-by: Carter Anderson <mcanders1@gmail.com>
87 lines
2.7 KiB
Rust
87 lines
2.7 KiB
Rust
use bevy::{
|
|
ecs::prelude::*,
|
|
math::Vec3,
|
|
pbr2::{OmniLight, OmniLightBundle, PbrBundle, StandardMaterial},
|
|
prelude::{App, Assets, Transform},
|
|
render2::{
|
|
camera::{OrthographicCameraBundle, OrthographicProjection},
|
|
color::Color,
|
|
mesh::{shape, Mesh},
|
|
},
|
|
PipelinedDefaultPlugins,
|
|
};
|
|
|
|
/// This example shows how to configure Physically Based Rendering (PBR) parameters.
|
|
fn main() {
|
|
App::new()
|
|
.add_plugins(PipelinedDefaultPlugins)
|
|
.add_startup_system(setup.system())
|
|
.run();
|
|
}
|
|
|
|
/// set up a simple 3D scene
|
|
fn setup(
|
|
mut commands: Commands,
|
|
mut meshes: ResMut<Assets<Mesh>>,
|
|
mut materials: ResMut<Assets<StandardMaterial>>,
|
|
) {
|
|
// add entities to the world
|
|
for y in -2..=2 {
|
|
for x in -5..=5 {
|
|
let x01 = (x + 5) as f32 / 10.0;
|
|
let y01 = (y + 2) as f32 / 4.0;
|
|
// sphere
|
|
commands.spawn_bundle(PbrBundle {
|
|
mesh: meshes.add(Mesh::from(shape::Icosphere {
|
|
radius: 0.45,
|
|
subdivisions: 32,
|
|
})),
|
|
material: materials.add(StandardMaterial {
|
|
base_color: Color::hex("ffd891").unwrap(),
|
|
// vary key PBR parameters on a grid of spheres to show the effect
|
|
metallic: y01,
|
|
perceptual_roughness: x01,
|
|
..Default::default()
|
|
}),
|
|
transform: Transform::from_xyz(x as f32, y as f32 + 0.5, 0.0),
|
|
..Default::default()
|
|
});
|
|
}
|
|
}
|
|
// unlit sphere
|
|
commands.spawn_bundle(PbrBundle {
|
|
mesh: meshes.add(Mesh::from(shape::Icosphere {
|
|
radius: 0.45,
|
|
subdivisions: 32,
|
|
})),
|
|
material: materials.add(StandardMaterial {
|
|
base_color: Color::hex("ffd891").unwrap(),
|
|
// vary key PBR parameters on a grid of spheres to show the effect
|
|
unlit: true,
|
|
..Default::default()
|
|
}),
|
|
transform: Transform::from_xyz(-5.0, -2.5, 0.0),
|
|
..Default::default()
|
|
});
|
|
// light
|
|
commands.spawn_bundle(OmniLightBundle {
|
|
transform: Transform::from_translation(Vec3::new(50.0, 50.0, 50.0)),
|
|
omni_light: OmniLight {
|
|
intensity: 50000.,
|
|
range: 100.,
|
|
..Default::default()
|
|
},
|
|
..Default::default()
|
|
});
|
|
// camera
|
|
commands.spawn_bundle(OrthographicCameraBundle {
|
|
transform: Transform::from_translation(Vec3::new(0.0, 0.0, 8.0))
|
|
.looking_at(Vec3::default(), Vec3::Y),
|
|
orthographic_projection: OrthographicProjection {
|
|
scale: 0.01,
|
|
..Default::default()
|
|
},
|
|
..OrthographicCameraBundle::new_3d()
|
|
});
|
|
}
|