[Merged by Bors] - Add an example to draw a rectangle

Cargo.toml

@@ -112,6 +112,10 @@ path = "examples/2d/mesh.rs"
 name = "many_sprites"
 path = "examples/2d/many_sprites.rs"
 
+[[example]]
+name = "rect"
+path = "examples/2d/rect.rs"
+
 [[example]]
 name = "sprite"
 path = "examples/2d/sprite.rs"

examples/2d/rect.rs

@@ -0,0 +1,17 @@
+use bevy::prelude::*;
+
+fn main() {
+    App::new()
+        .add_plugins(DefaultPlugins)
+        .add_startup_system(setup)
+        .run();
+}
+
+fn setup(mut commands: Commands, mut materials: ResMut<Assets<ColorMaterial>>) {
+    commands.spawn_bundle(OrthographicCameraBundle::new_2d());
+    commands.spawn_bundle(SpriteBundle {
+        material: materials.add(Color::rgb(0.25, 0.25, 0.75).into()),
+        sprite: Sprite::new(Vec2::new(50., 50.)),
+        ..Default::default()
+    });
+}

examples/README.md

@@ -85,6 +85,7 @@ Example | File | Description
 `contributors` | [`2d/contributors.rs`](./2d/contributors.rs) | Displays each contributor as a bouncy bevy-ball!
 `many_sprites` | [`2d/many_sprites.rs`](./2d/many_sprites.rs) | Displays many sprites in a grid arragement! Used for performance testing.
 `mesh` | [`2d/mesh.rs`](./2d/mesh.rs) | Renders a custom mesh
+`rect` | [`2d/rect.rs`](./2d/rect.rs) | Renders a rectangle
 `sprite` | [`2d/sprite.rs`](./2d/sprite.rs) | Renders a sprite
 `sprite_sheet` | [`2d/sprite_sheet.rs`](./2d/sprite_sheet.rs) | Renders an animated sprite
 `text2d` | [`2d/text2d.rs`](./2d/text2d.rs) | Generates text in 2d