remove broken instancing example

examples/instancing.rs

@@ -1,102 +0,0 @@
-use bevy::prelude::*;
-use rand::{rngs::StdRng, Rng, SeedableRng};
-
-fn main() {
-    App::build()
-        .add_default_plugins()
-        .add_startup_system(setup)
-        .add_system(build_move_system())
-        .add_plugin(DiagnosticsPlugin {
-            print_diagnostics: true,
-            ..Default::default()
-        })
-        .run();
-}
-
-fn build_move_system() -> Box<dyn Schedulable> {
-    SystemBuilder::new("move")
-        .read_resource::<Time>()
-        .write_resource::<AssetStorage<StandardMaterial>>()
-        .with_query(<(Write<Translation>, Read<Handle<StandardMaterial>>)>::query())
-        .build(move |_, world, (time, material_storage), person_query| {
-            for (mut translation, material_handle) in person_query.iter_mut(world) {
-                let material = material_storage.get_mut(&material_handle).unwrap();
-                translation.0 += math::vec3(1.0, 0.0, 0.0) * time.delta_seconds;
-                material.albedo = material.albedo
-                    + Color::rgb(-time.delta_seconds, -time.delta_seconds, time.delta_seconds);
-            }
-        })
-}
-
-fn setup(world: &mut World, resources: &mut Resources) {
-    let mut mesh_storage = resources.get_mut::<AssetStorage<Mesh>>().unwrap();
-    let mut material_storage = resources
-        .get_mut::<AssetStorage<StandardMaterial>>()
-        .unwrap();
-    let cube_handle = mesh_storage.add(Mesh::from(shape::Cube));
-    let plane_handle = mesh_storage.add(Mesh::from(shape::Plane { size: 10.0 }));
-    let cube_material_handle = material_storage.add(StandardMaterial {
-        albedo: Color::rgb(0.5, 0.4, 0.3),
-        ..Default::default()
-    });
-    let plane_material_handle = material_storage.add(StandardMaterial {
-        albedo: Color::rgb(0.1, 0.2, 0.1),
-        ..Default::default()
-    });
-
-    let mut builder = world.build();
-    builder
-        // plane
-        .add_entity(MeshEntity {
-            mesh: plane_handle,
-            material: plane_material_handle,
-            ..Default::default()
-        })
-        // cube
-        .add_entity(MeshEntity {
-            mesh: cube_handle,
-            material: cube_material_handle,
-            translation: Translation::new(0.0, 0.0, 1.0),
-            ..Default::default()
-        })
-        // light
-        .add_entity(LightEntity {
-            translation: Translation::new(4.0, -4.0, 5.0),
-            ..Default::default()
-        })
-        // camera
-        .add_entity(CameraEntity {
-            local_to_world: LocalToWorld(Mat4::look_at_rh(
-                Vec3::new(3.0, 8.0, 5.0),
-                Vec3::new(0.0, 0.0, 0.0),
-                Vec3::new(0.0, 0.0, 1.0),
-            )),
-            ..Default::default()
-        });
-
-    let mut rng = StdRng::from_entropy();
-    for _ in 0..500 {
-        let spawned_material_handle = material_storage.add(StandardMaterial {
-            albedo: Color::rgb(
-                rng.gen_range(0.0, 1.0),
-                rng.gen_range(0.0, 1.0),
-                rng.gen_range(0.0, 1.0),
-            ),
-            ..Default::default()
-        });
-        builder.add_entity(MeshEntity {
-            mesh: cube_handle,
-            material: spawned_material_handle,
-            translation: Translation::new(
-                rng.gen_range(-50.0, 50.0),
-                rng.gen_range(-50.0, 50.0),
-                0.0,
-            ),
-            renderable: Renderable {
-                is_instanced: true,
-                ..Default::default()
-            },
-            ..Default::default()
-        });
-    }
-}