refactor: load sprite method

packages/pinball_components/lib/src/components/launch_ramp.dart

@@ -100,35 +100,38 @@ class _LaunchRampBase extends BodyComponent with InitialPosition, Layered {
     return fixturesDef;
   }
 
+  @override
+  Body createBody() {
+    final bodyDef = BodyDef()
+      ..userData = this
+      ..position = initialPosition;
+
+    final body = world.createBody(bodyDef);
+    _createFixtureDefs().forEach(body.createFixture);
+
+    return body;
+  }
+
   @override
   Future<void> onLoad() async {
     await super.onLoad();
+    await _loadSprite();
+    renderBody = false;
+  }
 
+  Future<void> _loadSprite() async {
     final sprite = await gameRef.loadSprite(
       Assets.images.launchRamp.ramp.keyName,
     );
-    final spriteComponent = SpriteComponent(
+
+    await add(
+      SpriteComponent(
         sprite: sprite,
-      size: Vector2(44.7, 144.1),
+        size: sprite.originalSize / 10,
         anchor: Anchor.center,
         position: Vector2(25.65, 0),
+      ),
     );
-
-    await gameRef.add(spriteComponent);
-
-    renderBody = false;
-  }
-
-  @override
-  Body createBody() {
-    final bodyDef = BodyDef()
-      ..userData = this
-      ..position = initialPosition;
-
-    final body = world.createBody(bodyDef);
-    _createFixtureDefs().forEach(body.createFixture);
-
-    return body;
   }
 }
 
@@ -174,36 +177,39 @@ class _LaunchRampForegroundRailing extends BodyComponent
     return fixturesDef;
   }
 
+  @override
+  Body createBody() {
+    final bodyDef = BodyDef()
+      ..userData = this
+      ..position = initialPosition;
+
+    final body = world.createBody(bodyDef);
+    _createFixtureDefs().forEach(body.createFixture);
+
+    return body;
+  }
+
   @override
   Future<void> onLoad() async {
     await super.onLoad();
+    await _loadSprite();
+    renderBody = false;
+  }
 
+  Future<void> _loadSprite() async {
     final sprite = await gameRef.loadSprite(
       Assets.images.launchRamp.foregroundRailing.keyName,
     );
-    final spriteComponent = SpriteComponent(
+
+    await add(
+      SpriteComponent(
         sprite: sprite,
-      size: Vector2(38.1, 138.6),
+        size: sprite.originalSize / 10,
         anchor: Anchor.center,
         position: Vector2(22.8, 0),
         priority: 4,
+      ),
     );
-
-    await gameRef.add(spriteComponent);
-
-    renderBody = false;
-  }
-
-  @override
-  Body createBody() {
-    final bodyDef = BodyDef()
-      ..userData = this
-      ..position = initialPosition;
-
-    final body = world.createBody(bodyDef);
-    _createFixtureDefs().forEach(body.createFixture);
-
-    return body;
   }
 }