From c30b2ea63029ed1f45f9d2e17a4bcf583d5f7efc Mon Sep 17 00:00:00 2001
From: Lukas Klingsbo <lukas.klingsbo@gmail.com>
Date: Tue, 6 Aug 2024 20:50:42 +0200
Subject: [PATCH] refactor: Use main outside of classes for examples

---
 packages/forge2d/example/web/ball_cage.dart    | 13 ++++---------
 packages/forge2d/example/web/blob_test.dart    | 13 ++++---------
 packages/forge2d/example/web/box_test.dart     | 13 ++++---------
 packages/forge2d/example/web/domino_tower.dart | 13 ++++---------
 .../example/web/friction_joint_test.dart       | 15 +++++----------
 packages/forge2d/example/web/particles.dart    | 13 ++++---------
 packages/forge2d/example/web/racer.dart        | 18 +++++++-----------
 7 files changed, 32 insertions(+), 66 deletions(-)

diff --git a/packages/forge2d/example/web/ball_cage.dart b/packages/forge2d/example/web/ball_cage.dart
index 1f922b0..6d8513a 100644
--- a/packages/forge2d/example/web/ball_cage.dart
+++ b/packages/forge2d/example/web/ball_cage.dart
@@ -16,14 +16,6 @@ class BallCage extends Demo {
   /// Constructs a new BallCage.
   BallCage() : super('Ball cage');
 
-  /// Entrypoint.
-  void main() {
-    final cage = BallCage();
-    cage.initialize();
-    cage.initializeAnimation();
-    cage.runAnimation();
-  }
-
   @override
   void initialize() {
     // Define the circle shape.
@@ -91,5 +83,8 @@ class BallCage extends Demo {
 }
 
 void main() {
-  BallCage.main();
+  final cage = BallCage();
+  cage.initialize();
+  cage.initializeAnimation();
+  cage.runAnimation();
 }
diff --git a/packages/forge2d/example/web/blob_test.dart b/packages/forge2d/example/web/blob_test.dart
index 1791c20..fbca10c 100644
--- a/packages/forge2d/example/web/blob_test.dart
+++ b/packages/forge2d/example/web/blob_test.dart
@@ -8,14 +8,6 @@ class BlobTest extends Demo {
   /// Constructs a new BlobTest.
   BlobTest() : super('Blob test');
 
-  /// Entrypoint.
-  void main() {
-    final blob = BlobTest();
-    blob.initialize();
-    blob.initializeAnimation();
-    blob.runAnimation();
-  }
-
   @override
   void initialize() {
     Body ground;
@@ -79,5 +71,8 @@ class BlobTest extends Demo {
 }
 
 void main() {
-  BlobTest.main();
+  final blob = BlobTest();
+  blob.initialize();
+  blob.initializeAnimation();
+  blob.runAnimation();
 }
diff --git a/packages/forge2d/example/web/box_test.dart b/packages/forge2d/example/web/box_test.dart
index a62ebc8..2f80cab 100644
--- a/packages/forge2d/example/web/box_test.dart
+++ b/packages/forge2d/example/web/box_test.dart
@@ -8,14 +8,6 @@ class BoxTest extends Demo {
   /// Constructs a new BoxTest.
   BoxTest() : super('Box test');
 
-  /// Entrypoint.
-  void main() {
-    final boxTest = BoxTest();
-    boxTest.initialize();
-    boxTest.initializeAnimation();
-    boxTest.runAnimation();
-  }
-
   @override
   void initialize() {
     _createGround();
@@ -69,5 +61,8 @@ class BoxTest extends Demo {
 }
 
 void main() {
-  BoxTest.main();
+  final boxTest = BoxTest();
+  boxTest.initialize();
+  boxTest.initializeAnimation();
+  boxTest.runAnimation();
 }
diff --git a/packages/forge2d/example/web/domino_tower.dart b/packages/forge2d/example/web/domino_tower.dart
index 36e6eaa..1322c12 100644
--- a/packages/forge2d/example/web/domino_tower.dart
+++ b/packages/forge2d/example/web/domino_tower.dart
@@ -17,14 +17,6 @@ class DominoTower extends Demo {
   /// Construct a DominoTower.
   DominoTower() : super('Domino tower');
 
-  /// Entrypoint.
-  void main() {
-    final tower = DominoTower();
-    tower.initialize();
-    tower.initializeAnimation();
-    tower.runAnimation();
-  }
-
   void makeDomino(double x, double y, {required bool horizontal}) {
     final shape = PolygonShape()
       ..setAsBoxXY(.5 * dominoWidth, .5 * dominoHeight);
@@ -142,5 +134,8 @@ class DominoTower extends Demo {
 }
 
 void main() {
-  DominoTower.main();
+  final tower = DominoTower();
+  tower.initialize();
+  tower.initializeAnimation();
+  tower.runAnimation();
 }
diff --git a/packages/forge2d/example/web/friction_joint_test.dart b/packages/forge2d/example/web/friction_joint_test.dart
index f8a8240..2dcae2f 100644
--- a/packages/forge2d/example/web/friction_joint_test.dart
+++ b/packages/forge2d/example/web/friction_joint_test.dart
@@ -7,15 +7,6 @@ import 'demo.dart';
 class FrictionJointTest extends Demo {
   FrictionJointTest() : super('FrictionJoint test');
 
-  /// Entrypoint.
-  void main() {
-    final test = FrictionJointTest();
-    test.initialize();
-    test.initializeAnimation();
-    test.debugDraw.appendFlags(DebugDraw.jointBit);
-    test.runAnimation();
-  }
-
   late Body _ground;
   late FixtureDef _boxFixture;
 
@@ -100,5 +91,9 @@ class FrictionJointTest extends Demo {
 }
 
 void main() {
-  FrictionJointTest.main();
+  final test = FrictionJointTest();
+  test.initialize();
+  test.initializeAnimation();
+  test.debugDraw.appendFlags(DebugDraw.jointBit);
+  test.runAnimation();
 }
diff --git a/packages/forge2d/example/web/particles.dart b/packages/forge2d/example/web/particles.dart
index ed63a9b..5e3dbf7 100644
--- a/packages/forge2d/example/web/particles.dart
+++ b/packages/forge2d/example/web/particles.dart
@@ -15,14 +15,6 @@ class Particles extends Demo {
 
   /// Constructs a new Particles example.
   Particles() : super('Particles');
-
-  void main() {
-    Particles()
-      ..initialize()
-      ..initializeAnimation()
-      ..runAnimation();
-  }
-
   @override
   void initialize() {
     // Define the circle shape.
@@ -103,5 +95,8 @@ class Particles extends Demo {
 }
 
 void main() {
-  Particles.main();
+  Particles()
+    ..initialize()
+    ..initializeAnimation()
+    ..runAnimation();
 }
diff --git a/packages/forge2d/example/web/racer.dart b/packages/forge2d/example/web/racer.dart
index 0ccb0c0..0036e46 100644
--- a/packages/forge2d/example/web/racer.dart
+++ b/packages/forge2d/example/web/racer.dart
@@ -10,16 +10,6 @@ import 'racer/ground_area.dart';
 import 'racer/tire.dart';
 
 class Racer extends Demo implements ContactListener {
-  void main() {
-    final racer = Racer();
-    racer.initialize();
-    racer.initializeAnimation();
-    final paragraph = ParagraphElement()
-      ..innerText = 'Use the arrow keys to drive the car';
-    document.body?.nodes.add(paragraph);
-    racer.runAnimation();
-  }
-
   Racer() : super('Racer', Vector2.zero(), 2.5);
 
   late int _controlState;
@@ -186,5 +176,11 @@ class Racer extends Demo implements ContactListener {
 }
 
 void main() {
-  Racer.main();
+  final racer = Racer();
+  racer.initialize();
+  racer.initializeAnimation();
+  final paragraph = ParagraphElement()
+    ..innerText = 'Use the arrow keys to drive the car';
+  document.body?.nodes.add(paragraph);
+  racer.runAnimation();
 }