basic assets for tank and background grid

.cargo/config.toml

@@ -0,0 +1,9 @@
+# for Linux
+[target.x86_64-unknown-linux-gnu]
+linker = "clang"
+rustflags = ["-C", "link-arg=-fuse-ld=lld"]
+
+# for Windows
+[target.x86_64-pc-windows-msvc]
+linker = "rust-lld.exe"
+

Cargo.toml

@@ -5,3 +5,12 @@ edition = "2024"
 
 [dependencies]
 bevy = { default-features = false, git = "https://github.com/bevyengine/bevy.git", branch = "release-0.18.0", features = ["2d"] }
+steel-core = { git="https://github.com/mattwparas/steel.git", branch = "master" }
+
+# Enable a small amount of optimization in the dev profile.
+[profile.dev]
+opt-level = 1
+
+# Enable a large amount of optimization in the dev profile for dependencies.
+[profile.dev.package."*"]
+opt-level = 3

src/main.rs

@@ -1,3 +1,54 @@
+//! Renders a 2D scene containing a single, moving sprite.
+
+use bevy::prelude::*;
+
 fn main() {
-    println!("Hello, world!");
+    App::new()
+        .add_plugins(DefaultPlugins)
+        .add_systems(Startup, setup)
+        .add_systems(Update, sprite_movement)
+        .run();
+}
+
+#[derive(Component)]
+enum Direction {
+    Left,
+    Right,
+}
+
+fn setup(mut commands: Commands, asset_server: Res<AssetServer>) {
+    commands.spawn(Camera2d);
+
+    commands.spawn((
+        Sprite::from_image(asset_server.load("sprites/units/basic_tank.png")),
+        Transform::from_xyz(0., 0., 1.0).with_scale(Vec3::ONE),
+        Direction::Right,
+    ));
+    commands.spawn(Sprite {
+        image: asset_server.load("sprites/terrain/grid_paper_empty.png"),
+        image_mode: SpriteImageMode::Tiled {
+            tile_x: true,
+            tile_y: true,
+            stretch_value: 1.0, // The image will tile every 128px
+        },
+        custom_size: Some(Vec2::splat(2048.0)),
+        ..default()
+    });
+}
+
+/// The sprite is animated by changing its translation depending on the time that has passed since
+/// the last frame.
+fn sprite_movement(time: Res<Time>, mut sprite_position: Query<(&mut Direction, &mut Transform)>) {
+    for (mut logo, mut transform) in &mut sprite_position {
+        match *logo {
+            Direction::Right => transform.translation.x += 150. * time.delta_secs(),
+            Direction::Left => transform.translation.x -= 150. * time.delta_secs(),
+        }
+
+        if transform.translation.x > 200. {
+            *logo = Direction::Left;
+        } else if transform.translation.x < -200. {
+            *logo = Direction::Right;
+        }
+    }
 }