diff --git a/include/inputtype.h b/include/inputtype.h
index bd4131f..916488b 100644
--- a/include/inputtype.h
+++ b/include/inputtype.h
@@ -1,10 +1,8 @@
 #ifndef INPUTTYPE_H
 #define INPUTTYPE_H
 
-#include <SFML/System/Clock.hpp>
 #include <SFML/Window/Event.hpp>
-
-using microsec = sf::Int64;
+#include "mathutils.h"
 
 struct PlayerInput
 {
diff --git a/include/mathutils.h b/include/mathutils.h
new file mode 100644
index 0000000..9ea1b43
--- /dev/null
+++ b/include/mathutils.h
@@ -0,0 +1,38 @@
+#pragma once
+#include <SFML/System/Clock.hpp>
+
+using microsec = sf::Int64;
+
+struct Coordinates
+{
+    float x;
+    float y;
+
+    constexpr inline Coordinates operator+(const Coordinates& right) const noexcept
+    {
+        return {right.x + x, right.y + y};
+    }
+
+    constexpr inline Coordinates operator-(const Coordinates& right) const noexcept
+    {
+        return {right.x - x, right.y - y};
+    }
+
+    inline void moveBy(float x, float y) noexcept
+    {
+        this->x += x;
+        this->y += y;
+    }
+
+    inline void moveBy(const Coordinates& right) noexcept
+    {
+        this->x += right.x;
+        this->y += right.y;
+    }
+
+    inline void scale(float factor) noexcept
+    {
+        x *= factor;
+        y *= factor;
+    }
+};
diff --git a/include/note.h b/include/note.h
index d5ac9d2..276b36f 100644
--- a/include/note.h
+++ b/include/note.h
@@ -1,13 +1,7 @@
 #pragma once
 
-#include <vector>
-#include <SFML/System/Clock.hpp>
-#include <SFML/Graphics/Drawable.hpp>
-
 #include "inputtype.h"
 
-using microsec = sf::Int64;
-
 class Note
 {
 public:
@@ -15,12 +9,13 @@ public:
         _perfect_offset(perfect_offset) {}
     virtual ~Note() = default;
 
-    virtual bool isActive(const microsec& music_offset) const = 0;
+    virtual bool isActive() const = 0;
     virtual void update(const microsec& music_offset) = 0;
     virtual void input(PlayerInput&& inputdata) = 0;
     virtual void draw() const = 0;
 
     virtual void putToGame(const microsec &offset) = 0;
+    virtual bool isInGame() const = 0;
     virtual bool isExpired() const = 0;
 
     microsec offset() const
diff --git a/include/precisionevaluator.h b/include/precisionevaluator.h
index e658a46..8388ce1 100644
--- a/include/precisionevaluator.h
+++ b/include/precisionevaluator.h
@@ -1,16 +1,13 @@
 #ifndef PRECISIONEVALUATOR_H
 #define PRECISIONEVALUATOR_H
 
+#include "mathutils.h"
 #include <numeric>
 #include <type_traits>
 #include <vector>
 #include <cmath>
 #include <iostream>
 
-#include <SFML/System/Clock.hpp>
-
-using microsec = sf::Int64;
-
 template<typename Grade, typename = std::enable_if_t<std::is_enum<Grade>::value>>
 class PrecisionEvaluator
 {
diff --git a/include/timeline.h b/include/timeline.h
index e8956c3..18d1606 100644
--- a/include/timeline.h
+++ b/include/timeline.h
@@ -1,11 +1,9 @@
 #ifndef TIMELINE_H
 #define TIMELINE_H
 
-#include <SFML/Graphics/RenderWindow.hpp>
-#include <SFML/Config.hpp>
+#include "mathutils.h"
 #include <memory>
-
-using microsec = sf::Int64;
+#include <vector>
 
 class Note;
 
diff --git a/src/application.cpp b/src/application.cpp
index 0519fe3..3ad18ee 100644
--- a/src/application.cpp
+++ b/src/application.cpp
@@ -4,6 +4,8 @@
 #include "classicgame/classicgame.h"
 #include "classicgame/classicgraphicsmanager.h"
 
+#include <iostream>
+
 const sf::Time TIME_PER_FRAME = sf::seconds(1.f / 90.f);
 
 Application::Application() :
@@ -27,7 +29,6 @@ void Application::run()
 void Application::exec()
 {
     sf::Clock timer;
-    sf::Clock game_timer;
     sf::Time time_since_last_update = sf::Time::Zero;
 
     while (_game_window.isOpen())
@@ -41,7 +42,6 @@ void Application::exec()
         if (isOneFramePassed)
         {
             time_since_last_update -= TIME_PER_FRAME;
-            game_timer.restart();
             update();
             draw();
         }
diff --git a/src/classicgame/classicanimationscenario.cpp b/src/classicgame/classicanimationscenario.cpp
deleted file mode 100644
index e69de29..0000000
diff --git a/src/classicgame/classicanimationscenario.h b/src/classicgame/classicanimationscenario.h
index a9c1986..c551fcd 100644
--- a/src/classicgame/classicanimationscenario.h
+++ b/src/classicgame/classicanimationscenario.h
@@ -1,10 +1,8 @@
 #pragma once
 
-#include <SFML/Config.hpp>
+#include "mathutils.h"
 #include <memory>
 
-using microsec = sf::Int64;
-
 class ClassicSprite;
 
 class ClassicAnimationScenario
diff --git a/src/classicgame/classicflyinganimationscenario.cpp b/src/classicgame/classicflyinganimationscenario.cpp
index b60cb8b..afdb17c 100644
--- a/src/classicgame/classicflyinganimationscenario.cpp
+++ b/src/classicgame/classicflyinganimationscenario.cpp
@@ -24,10 +24,10 @@ void ClassicFlyingAnimationScenario::update(const microsec& music_offset)
     auto update_time = music_offset - _time_begin;
     i = update_time / _percentage * 0.01;
 
-    float xa = getPoint( crd.first + 20.  , crd.first + 90. , i );
-    float ya = getPoint( crd.second - 600. , crd.second - 150. , i );
-    float xb = getPoint( crd.first + 90.  , crd.first , i );
-    float yb = getPoint( crd.second - 150. , crd.second , i );
+    float xa = getPoint( crd.x + 20.  , crd.x + 90. , i );
+    float ya = getPoint( crd.y - 600. , crd.y - 150. , i );
+    float xb = getPoint( crd.x + 90.  , crd.x , i );
+    float yb = getPoint( crd.y - 150. , crd.y , i );
 
     _sprite->update(getPoint( xa , xb , i ), getPoint( ya , yb , i ));
     if (i >= 1)
diff --git a/src/classicgame/classicgraphicsmanager.cpp b/src/classicgame/classicgraphicsmanager.cpp
index 943e006..8859b16 100644
--- a/src/classicgame/classicgraphicsmanager.cpp
+++ b/src/classicgame/classicgraphicsmanager.cpp
@@ -11,12 +11,13 @@ ClassicGraphicsManager::ClassicGraphicsManager(sf::RenderTarget& target) :
 void ClassicGraphicsManager::initGraphics(ClassicNote* note)
 {
     note->setSprite(_sprite_container.getSprite(note->type()));
-    note->sprite()->setCoordinates(note->getCoordinates().x, note->getCoordinates().y, 0, 0);
+    note->sprite()->setCoordinates(note->getCoordinates(), 0, 0);
 }
 
 void ClassicGraphicsManager::resetGraphics(ClassicNote* note)
 {
     _sprite_container.resetSprite(note->sprite(), note->type());
+    note->setSprite(nullptr);
 }
 
 void ClassicGraphicsManager::draw(const ClassicNote *note)
diff --git a/src/classicgame/classicmapcreator.cpp b/src/classicgame/classicmapcreator.cpp
index d310ce3..44dd962 100644
--- a/src/classicgame/classicmapcreator.cpp
+++ b/src/classicgame/classicmapcreator.cpp
@@ -12,7 +12,7 @@ Beatmap ClassicMapCreator::createBeatmap(const std::string& filepath) const
     microsec starting_beat_offset = 352162;
     int amount_of_beats = 209;
     microsec interval = 1412162;
-    microsec tempo_interval = interval / 2;
+    microsec tempo_interval = interval / 4;
     microsec note_input_offset = 412162 / 3;
     microsec bpm_iterator = starting_beat_offset;
     microsec bpm_end = starting_beat_offset + (interval * amount_of_beats);
diff --git a/src/classicgame/classicnote.cpp b/src/classicgame/classicnote.cpp
index 32695ac..efb3beb 100644
--- a/src/classicgame/classicnote.cpp
+++ b/src/classicgame/classicnote.cpp
@@ -3,7 +3,6 @@
 #include "classicgraphicsmanager.h"
 #include "classicflyinganimationscenario.h"
 #include "classicdyinganimationscenario.h"
-#include <iostream>
 
 ClassicNote::ClassicNote(const std::vector<microsec>& intervals, microsec perfect_offset,
                          Type type, const Coordinates& coord, const std::unique_ptr<ClassicGraphicsManager> &manager) :
@@ -12,48 +11,66 @@ ClassicNote::ClassicNote(const std::vector<microsec>& intervals, microsec perfec
     _evaluator(intervals, _perfect_offset),
     _keys({sf::Keyboard::W, sf::Keyboard::Up}),
     _graphics_manager(manager),
-    _is_expired(true),
     _type(type),
     _state(State::NONE)
 {
     _animations[State::NONE] = nullptr;
     _animations[State::FLYING] = std::make_shared<ClassicFlyingAnimationScenario>();
+    _animations[State::ACTIVE] = _animations[State::FLYING];
     _animations[State::DYING] = std::make_shared<ClassicDyingAnimationScenario>();
+    _animations[State::DEAD] = nullptr;
 }
 
-bool ClassicNote::isActive(const microsec &music_offset) const
+bool ClassicNote::isActive() const
 {
-    return _evaluator.isActive(music_offset);
+    return _state == State::ACTIVE;
 }
 
 void ClassicNote::putToGame(const microsec &music_offset)
 {
-    _is_expired = false;
     _graphics_manager->initGraphics(this);
     _state = State::FLYING;
     _animations[_state]->launch(_sprite, music_offset, offset());
 }
 
+bool ClassicNote::isInGame() const
+{
+    return _state == State::FLYING || _state == State::ACTIVE || _state == State::DYING;
+}
+
 bool ClassicNote::isExpired() const
 {
-    return _is_expired;
+    return _state == State::DEAD;
 }
 
 void ClassicNote::update(const microsec& music_offset)
 {
-    if (!_animations[_state])
-        return;
-
-    bool is_not_active_anymore = (!_is_expired && !isActive(music_offset));
-
-    if (is_not_active_anymore)
+    switch (_state)
     {
-        _state = State::DYING;
-        _animations[_state]->launch(_sprite, music_offset, offset());
+    default: return;
+        break;
+
+    case State::FLYING:
+        if (_evaluator.isActive(music_offset))
+            _state = State::ACTIVE;
+        break;
+
+    case State::DYING:
+        if (_animations[_state]->isDone())
+            _state = State::DEAD;
+        break;
+
+    case State::ACTIVE:
+        if (!_evaluator.isActive(music_offset))
+        {
+            _state = State::DYING;
+            _animations[_state]->launch(_sprite, music_offset, offset());
+        }
+        break;
     }
 
-    _animations[_state]->update(music_offset);
-    _is_expired = _animations[_state]->isDone();
+    if (_animations[_state])
+        _animations[_state]->update(music_offset);
 }
 
 void ClassicNote::input(PlayerInput&& inputdata)
diff --git a/src/classicgame/classicnote.h b/src/classicgame/classicnote.h
index c0d1299..d87d0df 100644
--- a/src/classicgame/classicnote.h
+++ b/src/classicgame/classicnote.h
@@ -7,17 +7,6 @@
 #include <memory>
 #include <array>
 
-struct Coordinates
-{
-    float x;
-    float y;
-
-    inline Coordinates operator+(const Coordinates& right) noexcept
-    {
-        return {right.x + x, right.y - y};
-    }
-};                              // MOVE TO OWN HEADER ^
-
 class ClassicSprite;
 class ClassicGraphicsManager;
 class ClassicAnimationScenario;
@@ -38,7 +27,9 @@ public:
           NONE,
 
         FLYING,
-         DYING
+        ACTIVE,
+         DYING,
+          DEAD
     };
 
     explicit ClassicNote(const std::vector<microsec>& intervals, microsec perfect_offset,
@@ -46,10 +37,11 @@ public:
                          const std::unique_ptr<ClassicGraphicsManager>& manager);
     virtual ~ClassicNote() = default;
 
-    virtual bool isActive(const microsec &music_offset) const override;
+    virtual bool isActive() const override;
     virtual void update(const microsec &music_offset) override;
     virtual void input(PlayerInput&& inputdata) override;
     virtual void putToGame(const microsec &music_offset) override;
+    virtual bool isInGame() const override;
     virtual bool isExpired() const override;
     virtual void draw() const override;
 
@@ -67,9 +59,8 @@ private:
     const std::unique_ptr<ClassicGraphicsManager>& _graphics_manager;
     std::shared_ptr<ClassicSprite> _sprite;
 
-    bool _is_expired;
     const Type _type;
 
     State _state;
-    std::array<std::shared_ptr<ClassicAnimationScenario>, 3> _animations;
+    std::array<std::shared_ptr<ClassicAnimationScenario>, 5> _animations;
 };
diff --git a/src/classicgame/classicsprite.cpp b/src/classicgame/classicsprite.cpp
index a0f26fb..4ae3386 100644
--- a/src/classicgame/classicsprite.cpp
+++ b/src/classicgame/classicsprite.cpp
@@ -29,16 +29,16 @@ void ClassicSprite::reset()
     _trail_fade = false;
 }
 
-void ClassicSprite::setCoordinates(float x, float y, float trail_x, float trail_y) noexcept
+void ClassicSprite::setCoordinates(const Coordinates& coordinates, float trail_x, float trail_y) noexcept
 {
-    _shape.setPosition(x, y);
+    _shape.setPosition(coordinates.x, coordinates.y);
     _trail.setPosition(trail_x, trail_y);
-    _grade_text.setPosition(x + _shape.getSize().x/2, y + 10);
+    _grade_text.setPosition(coordinates.x + _shape.getSize().x/2, coordinates.y + 10);
 }
 
-std::pair<float, float> ClassicSprite::coordinates() const
+Coordinates ClassicSprite::coordinates() const
 {
-    return std::make_pair(_shape.getPosition().x, _shape.getPosition().y);
+    return {_shape.getPosition().x, _shape.getPosition().y};
 }
 
 void ClassicSprite::update(float trail_x, float trail_y) noexcept
@@ -76,8 +76,12 @@ void ClassicSprite::fade()
 {
     auto fill_color = _grade_text.getFillColor();
 
-    if (fill_color.a == 0)
+    if (fill_color.a <= 15)
+    {
+        fill_color.a = 0;
+        _grade_text.setFillColor(fill_color);
         return;
+    }
 
     auto new_alpha = fill_color.a - 15;
     fill_color.a = new_alpha < 0 ? 0 : new_alpha;
@@ -87,7 +91,11 @@ void ClassicSprite::fade()
     fill_color = _shape.getFillColor();
 
     if (fill_color.a == 0)
+    {
+        fill_color.a = 0;
+        _shape.setFillColor(fill_color);
         return;
+    }
 
     new_alpha = fill_color.a - 15;
     fill_color.a = new_alpha < 0 ? 0 : new_alpha;
diff --git a/src/classicgame/classicsprite.h b/src/classicgame/classicsprite.h
index e4ebed0..bc816da 100644
--- a/src/classicgame/classicsprite.h
+++ b/src/classicgame/classicsprite.h
@@ -1,5 +1,6 @@
 #pragma once
 
+#include "mathutils.h"
 #include "sprite.h"
 #include "SFML/Graphics/RectangleShape.hpp"
 #include "SFML/Graphics/Text.hpp"
@@ -11,8 +12,8 @@ public:
     virtual void draw(sf::RenderTarget& target, sf::RenderStates states) const override;
     virtual void reset() override;
 
-    void setCoordinates(float x, float y, float trail_x, float trail_y) noexcept;
-    std::pair<float, float> coordinates() const;
+    void setCoordinates(const Coordinates &coordinates, float trail_x, float trail_y) noexcept;
+    Coordinates coordinates() const;
     void update(float trail_x, float trail_y) noexcept;
     void update() noexcept;
 
diff --git a/src/classicgame/classictimeline.cpp b/src/classicgame/classictimeline.cpp
index 4267c94..84c77e2 100644
--- a/src/classicgame/classictimeline.cpp
+++ b/src/classicgame/classictimeline.cpp
@@ -12,6 +12,7 @@ ClassicTimeline::ClassicTimeline()
 
     _music.openFromFile(song_filename);
     _music.setVolume(10);
+    _last_timestamp = -1;
 }
 
 void ClassicTimeline::run(std::vector<Note*>&& notes, const microsec& visibility)
@@ -44,32 +45,37 @@ void ClassicTimeline::clear()
 void ClassicTimeline::update()
 {
     const auto& music_offset = currentMusicOffset();
-    checkCurrentActiveNote(music_offset);
-    checkForNextActiveNote(music_offset);
-    updateVisibleSprites(music_offset);
+    if (music_offset != _last_timestamp)
+    {
+        checkCurrentActiveNote();
+        checkForNextActiveNote();
+        updateVisibleSprites(music_offset);
+    }
+
+    _last_timestamp = music_offset;
 }
 
-void ClassicTimeline::checkCurrentActiveNote(const microsec& music_offset)
+void ClassicTimeline::checkCurrentActiveNote()
 {
     if (isExpired(_active_note))
         return;
 
     auto note = *_active_note;
 
-    if (!note->isActive(music_offset))
+    if (!note->isActive())
     {
         expire(_active_note);
         ++_top_note;
     }
 }
 
-void ClassicTimeline::checkForNextActiveNote(const microsec& music_offset)
+void ClassicTimeline::checkForNextActiveNote()
 {
     if (!isExpired(_active_note))
         return;
 
     auto top_note = *_top_note;
-    if (top_note->isActive(music_offset))
+    if (top_note->isActive())
         _active_note = _top_note;
 }
 
@@ -127,7 +133,7 @@ void ClassicTimeline::findLastVisibleNote(const microsec &music_offset)
 
         auto note = *note_iterator;
 
-        if (note->isExpired())
+        if (!note->isInGame())
             note->putToGame(music_offset);
 
         ++note_iterator;
diff --git a/src/classicgame/classictimeline.h b/src/classicgame/classictimeline.h
index 7404d24..b72c26e 100644
--- a/src/classicgame/classictimeline.h
+++ b/src/classicgame/classictimeline.h
@@ -33,12 +33,13 @@ private:
     std::vector<microsec> _input_intervals;
     std::vector<Note*> _timeline;
     microsec _visibility_offset;
+    microsec _last_timestamp;
 
     sf::Music _music;
 
     void updateVisibleSprites(const microsec& music_offset);
-    void checkCurrentActiveNote(const microsec& music_offset);
-    void checkForNextActiveNote(const microsec& music_offset);
+    void checkCurrentActiveNote();
+    void checkForNextActiveNote();
     bool isVisiblyClose(const Iterator& iterator, const microsec& music_offset) const;
     inline bool nothingToDraw() const noexcept;