vary key PBR parameters on a grid of spheres to show the effect

crates/bevy_pbr/src/material.rs

@@ -21,7 +21,7 @@ impl Default for StandardMaterial {
  fn default() -> Self {
  StandardMaterial {
  albedo: Color::rgb(1.0, 1.0, 1.0),
- pbr: Vec2::new(1.0, 0.95), //(0.01, 0.08),
+ pbr: Vec2::new(1.0, 0.95),
  albedo_texture: None,
  shaded: true,
  }

examples/3d/pbr.rs

@@ -18,14 +18,20 @@ fn setup(
  // add entities to the world
  for y in -2..=2 {
  for x in -5..=5 {
+ let x01 = x as f32 / 10.0 + 0.5;
+ let y01 = y as f32 / 2.0 + 0.5;
  commands
  // spheres
  .spawn(PbrBundle {
  mesh: meshes.add(Mesh::from(shape::Icosphere {
  radius: 0.45,
  subdivisions: 32,
  })),
- material: materials.add(Color::rgb(0.2, 0.2, 1.0).into()),
+ material: materials.add(StandardMaterial {
+ albedo: Color::rgb(0.2, 0.2, 1.0),
+ pbr: Vec2::new(x01, y01), // vary key PBR parameters on a grid of spheres to show the effect
+ ..Default::default()
+ }),
  transform: Transform::from_translation(Vec3::new(x as f32, y as f32, 0.0)),
  ..Default::default()
  });