Initial tile push with item cycle

src/camera.rs

@@ -0,0 +1,44 @@
+use bevy::prelude::*;
+use bevy::input::keyboard::KeyCode;
+
+#[derive(Component)]
+pub struct PanningCamera {
+    pub pan_speed: f32,
+}
+
+pub fn camera_movement(
+    keyboard_input: Res<ButtonInput<KeyCode>>,
+    mut query: Query<(&PanningCamera, &mut Transform), With<Camera>>,
+) {
+    for (camera, mut transform) in query.iter_mut() {
+        let mut direction = Vec2::ZERO;
+
+        if keyboard_input.pressed(KeyCode::ArrowUp) {
+            direction.y += 1.0;
+        }
+        if keyboard_input.pressed(KeyCode::ArrowDown) {
+            direction.y -= 1.0;
+        }
+        if keyboard_input.pressed(KeyCode::ArrowLeft) {
+            direction.x -= 1.0;
+        }
+        if keyboard_input.pressed(KeyCode::ArrowRight) {
+            direction.x += 1.0;
+        }
+
+        if direction.length() > 0.0 {
+            direction = direction.normalize();
+            
+            let movement = direction * camera.pan_speed;
+            transform.translation.x += movement.x;
+            transform.translation.y += movement.y;
+        }
+    }
+}
+
+pub fn spawn_panning_camera(mut commands: Commands) {
+    commands.spawn((
+        Camera2d::default(),
+        PanningCamera { pan_speed: 5.0 }
+    ));
+}