fix: launch ramp render issue

lib/game/components/controlled_ball.dart

@@ -18,6 +18,7 @@ class ControlledBall extends Ball with Controls<BallController> {
     required PinballTheme theme,
   }) : super(baseColor: theme.characterTheme.ballColor) {
     controller = BallController(this);
+    priority = LaunchRamp.ballPriorityInsideRamp;
   }
 
   /// {@template bonus_ball}

lib/game/pinball_game.dart

@@ -168,7 +168,7 @@ class DebugPinballGame extends PinballGame with TapDetector {
       anchor: Anchor.center,
     )
       ..position = Vector2(0, -7.8)
-      ..priority = -2;
+      ..priority = -4;
 
     await add(spriteComponent);
   }

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

@@ -13,7 +13,7 @@ class Boundaries extends Forge2DBlueprint {
     final bottomBoundary = _BottomBoundary();
     final outerBoundary = _OuterBoundary();
 
-    addAll([bottomBoundary, outerBoundary]);
+    addAll([outerBoundary, bottomBoundary]);
   }
 }
 
@@ -23,7 +23,7 @@ class Boundaries extends Forge2DBlueprint {
 /// {@endtemplate bottom_boundary}
 class _BottomBoundary extends BodyComponent with InitialPosition {
   /// {@macro bottom_boundary}
-  _BottomBoundary() : super(priority: 2);
+  _BottomBoundary() : super(priority: 1);
 
   List<FixtureDef> _createFixtureDefs() {
     final fixturesDefs = <FixtureDef>[];
@@ -88,7 +88,7 @@ class _BottomBoundarySpriteComponent extends SpriteComponent with HasGameRef {
 /// {@endtemplate outer_boundary}
 class _OuterBoundary extends BodyComponent with InitialPosition {
   /// {@macro outer_boundary}
-  _OuterBoundary() : super(priority: -1);
+  _OuterBoundary() : super(priority: LaunchRamp.ballPriorityInsideRamp - 1);
 
   List<FixtureDef> _createFixtureDefs() {
     final fixturesDefs = <FixtureDef>[];

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

@@ -124,7 +124,7 @@ class _DinoTopWallSpriteComponent extends SpriteComponent with HasGameRef {
 /// {@endtemplate}
 class _DinoBottomWall extends BodyComponent with InitialPosition {
   ///{@macro dino_top_wall}
-  _DinoBottomWall() : super(priority: 1);
+  _DinoBottomWall();
 
   List<FixtureDef> _createFixtureDefs() {
     final fixturesDef = <FixtureDef>[];

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

@@ -11,6 +11,9 @@ import 'package:pinball_components/pinball_components.dart';
 /// [_LaunchRampForegroundRailing].
 /// {@endtemplate}
 class LaunchRamp extends Forge2DBlueprint {
+  /// Base priority for [Ball] while inside [LaunchRamp].
+  static const ballPriorityInsideRamp = -2;
+
   @override
   void build(_) {
     addAllContactCallback([
@@ -40,7 +43,7 @@ class LaunchRamp extends Forge2DBlueprint {
 /// {@endtemplate}
 class _LaunchRampBase extends BodyComponent with InitialPosition, Layered {
   /// {@macro launch_ramp_base}
-  _LaunchRampBase() : super(priority: -1) {
+  _LaunchRampBase() : super(priority: LaunchRamp.ballPriorityInsideRamp - 1) {
     layer = Layer.launcher;
   }
 
@@ -143,7 +146,8 @@ class _LaunchRampBaseSpriteComponent extends SpriteComponent with HasGameRef {
 class _LaunchRampForegroundRailing extends BodyComponent
     with InitialPosition, Layered {
   /// {@macro launch_ramp_foreground_railing}
-  _LaunchRampForegroundRailing() : super(priority: 1) {
+  _LaunchRampForegroundRailing()
+      : super(priority: LaunchRamp.ballPriorityInsideRamp + 1) {
     layer = Layer.launcher;
   }
 
@@ -227,7 +231,8 @@ class _LaunchRampExit extends RampOpening {
         super(
           insideLayer: Layer.launcher,
           orientation: RampOrientation.down,
-          insidePriority: 3,
+          insidePriority: LaunchRamp.ballPriorityInsideRamp,
+          outsidePriority: 0,
         );
 
   final double _rotation;