feat: Implement fizzle fade transition effects for menus and intros, enhancing visual transitions

Signed-off-by: Hans Kokx <hans.d.kokx@gmail.com>
2026-03-23 11:00:48 +01:00
parent a84c677845
commit d63b316f1b
7 changed files with 815 additions and 33 deletions
@@ -223,6 +223,46 @@ void main() {
      expect(manager.selectedMainIndex, 0);
    });

+    test('menu transition defaults to normal fade and can opt into fizzle', () {
+      final manager = MenuManager();
+
+      manager.showMainMenu(hasResumableGame: false);
+      manager.startTransition(WolfMenuScreen.difficultySelect);
+
+      expect(manager.transitionEffect, WolfTransitionEffect.normalFade);
+      expect(manager.transitionPhase, WolfTransitionPhase.covering);
+      expect(manager.transitionPhaseProgress, 0.0);
+      expect(manager.activeMenu, WolfMenuScreen.mainMenu);
+
+      manager.tickTransition(MenuManager.transitionDurationMs ~/ 4);
+      expect(manager.transitionPhase, WolfTransitionPhase.covering);
+      expect(manager.transitionPhaseProgress, closeTo(0.5, 0.001));
+      expect(manager.activeMenu, WolfMenuScreen.mainMenu);
+
+      manager.tickTransition(MenuManager.transitionDurationMs ~/ 4);
+      expect(manager.transitionPhase, WolfTransitionPhase.revealing);
+      expect(manager.transitionPhaseProgress, 0.0);
+      expect(manager.activeMenu, WolfMenuScreen.difficultySelect);
+
+      manager.tickTransition(MenuManager.transitionDurationMs ~/ 4);
+      expect(manager.transitionPhase, WolfTransitionPhase.revealing);
+      expect(manager.transitionPhaseProgress, closeTo(0.5, 0.001));
+
+      manager.tickTransition(MenuManager.transitionDurationMs ~/ 4);
+      expect(manager.isTransitioning, isFalse);
+      expect(manager.transitionEffect, WolfTransitionEffect.none);
+      expect(manager.transitionPhase, WolfTransitionPhase.idle);
+      expect(manager.transitionPhaseProgress, 0.0);
+
+      manager.startTransition(
+        WolfMenuScreen.mainMenu,
+        effect: WolfTransitionEffect.fizzleFade,
+      );
+
+      expect(manager.transitionEffect, WolfTransitionEffect.fizzleFade);
+      expect(manager.transitionPhase, WolfTransitionPhase.covering);
+    });
+
    test('quit selection triggers dedicated quit callback', () {
      final input = _TestInput();
      int quitCalls = 0;