added move_sprite example

fixed line endings

added space for CI

changed to enum

fixed formating

fix formating again

added transform to start.

removed system

Author: jak6jak

Cargo.toml

@@ -103,6 +103,10 @@ path = "examples/2d/contributors.rs"
 name = "mesh"
 path = "examples/2d/mesh.rs"
 
+[[example]]
+name = "move_sprite"
+path = "examples/2d/move_sprite.rs"
+
 [[example]]
 name = "many_sprites"
 path = "examples/2d/many_sprites.rs"
@@ -299,10 +303,13 @@ name = "system_chaining"
 path = "examples/ecs/system_chaining.rs"
 
 [[example]]
+<<<<<<< refs/remotes/bevyengine/trying
 name = "system_graph"
 path = "examples/ecs/system_graph.rs"
 
 [[example]]
+=======
+>>>>>>> fixed line endings
 name = "system_param"
 path = "examples/ecs/system_param.rs"
 

examples/2d/move_sprite.rs

@@ -0,0 +1,45 @@
+use bevy::prelude::*;
+
+fn main() {
+    App::build()
+        .add_plugins(DefaultPlugins)
+        .add_startup_system(setup)
+        .add_system(sprite_movement)
+        .run();
+}
+
+enum Direction {
+    Up,
+    Down,
+}
+
+fn setup(
+    mut commands: Commands,
+    asset_server: Res<AssetServer>,
+    mut materials: ResMut<Assets<ColorMaterial>>,
+) {
+    let texture_handle = asset_server.load("branding/icon.png");
+    commands.spawn_bundle(OrthographicCameraBundle::new_2d());
+    commands
+        .spawn_bundle(SpriteBundle {
+            material: materials.add(texture_handle.into()),
+            transform: Transform::from_xyz(100., 0., 0.),
+            ..Default::default()
+        })
+        .insert(Direction::Up);
+}
+
+fn sprite_movement(time: Res<Time>, mut sprite_position: Query<(&mut Direction, &mut Transform)>) {
+    for (mut logo, mut transform) in sprite_position.iter_mut() {
+        match *logo {
+            Direction::Up => transform.translation.y += 150. * time.delta_seconds(),
+            Direction::Down => transform.translation.y -= 150. * time.delta_seconds(),
+        }
+
+        if transform.translation.y > 200. {
+            *logo = Direction::Down;
+        } else if transform.translation.y < -200. {
+            *logo = Direction::Up;
+        }
+    }
+}

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
+`move_sprite` | [`2d/move_sprite.rs`](./2d/move_sprite.rs) | Changes the transform of a sprite.
 `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