[update] Implemented animations for ResultScene.

src/sj/Game.d

@@ -46,7 +46,7 @@ class Game : AbstractGame {
     select_.SetupSceneDependency(title_, load_);
     load_  .SetupSceneDependency(play_);
     play_  .SetupSceneDependency(result_);
-    result_.SetupSceneDependency();
+    result_.SetupSceneDependency(title_);
 
     title_.Initialize();
     super(title_);

src/sj/ResultScene.d

@@ -1,6 +1,8 @@
 /// License: MIT
 module sj.ResultScene;
 
+import std.math;
+
 import gl4d;
 
 import sj.FontSet,
@@ -8,11 +10,27 @@ import sj.FontSet,
        sj.LobbyWorld,
        sj.Music,
        sj.ProgramSet,
-       sj.SceneInterface;
+       sj.SceneInterface,
+       sj.TitleScene,
+       sj.util.Animation,
+       sj.util.Easing;
 
 ///
 class ResultScene : SceneInterface {
  public:
+  ///
+  enum AnimationFrame = 60;
+
+  ///
+  enum CubeLoadingRotationSpeed = vec3(PI/100, PI/10, PI/100);
+  ///
+  enum CubeLoadingInterval = 0.06;
+
+  ///
+  enum CubeRotationSpeed = vec3(PI/1000, PI/500, PI/1000);
+  ///
+  enum CubeInterval = 0.005;
+
   ///
   this(LobbyWorld lobby, ProgramSet programs, FontSet fonts) {
     lobby_    = lobby;
@@ -23,14 +41,32 @@ class ResultScene : SceneInterface {
   }
 
   ///
-  void SetupSceneDependency() {
+  void SetupSceneDependency(TitleScene title) {
+    title_scene_ = title;
   }
 
   ///
   void Initialize(Music music, int score) {
     music_ = music;
+
+    anime_ = Animation(AnimationFrame);
+
+    cube_interval_ease_ =
+      Easing!float(CubeLoadingInterval, CubeInterval);
+    cube_rotation_speed_ease_ =
+      Easing!vec3(CubeLoadingRotationSpeed, CubeRotationSpeed);
   }
   override SceneInterface Update(KeyInput input) {
+    const ratio = anime_.Update();
+
+    with (lobby_) {
+      cube_matrix.rotation += cube_rotation_speed_ease_.Calculate(ratio);
+      cube_interval         = cube_interval_ease_      .Calculate(ratio);
+    }
+    if (anime_.isFinished && input.down) {
+      title_scene_.Initialize();
+      return title_scene_;
+    }
     return this;
   }
   override void Draw() {
@@ -38,6 +74,8 @@ class ResultScene : SceneInterface {
   }
 
  private:
+  TitleScene title_scene_;
+
   LobbyWorld lobby_;
 
   ProgramSet programs_;
@@ -45,4 +83,8 @@ class ResultScene : SceneInterface {
   FontSet fonts_;
 
   Music music_;
+
+  Animation    anime_;
+  Easing!vec3  cube_rotation_speed_ease_;
+  Easing!float cube_interval_ease_;
 }