diff --git a/engine/components/collide_rect.py b/engine/components/collide_rect.py
index 3ca7d8d..39a6133 100644
--- a/engine/components/collide_rect.py
+++ b/engine/components/collide_rect.py
@@ -3,21 +3,23 @@ from ..servers.physics import PhysicsServer
 
 
 class CollideRect(Component):
-    def __init__(self, parent, rect, static=True, solid=True, cb=None):
-        super().__init__(parent)
+    def __init__(self, rect, static=True, solid=True, cb=None):
+        super().__init__()
         self.rect = rect
-        def x_change_cb(x):
-            self.rect.x = x
-        def y_change_cb(y):
-            self.rect.y = y
-        parent.subscribe('x', x_change_cb)
-        parent.subscribe('y', y_change_cb)
         self.static = static
         self.solid = solid
         self.cb = cb
         self.vx = 0
         self.vy = 0
 
+    def load(self):
+        def x_change_cb(x):
+            self.rect.x = x
+        def y_change_cb(y):
+            self.rect.y = y
+        self.parent.subscribe('x', x_change_cb)
+        self.parent.subscribe('y', y_change_cb)
+
     def register(self):
         PhysicsServer().register_component(self)
 
diff --git a/engine/components/component.py b/engine/components/component.py
index 9da54ce..4e8a434 100644
--- a/engine/components/component.py
+++ b/engine/components/component.py
@@ -2,9 +2,12 @@ from abc import abstractmethod
 
 
 class Component:
-    def __init__(self, parent):
-        self.parent = parent
-        self.parent.add(self)
+    def __init__(self):
+        self.parent = None
+
+    @abstractmethod
+    def load(self):
+        pass
 
     @abstractmethod
     def register(self):
diff --git a/engine/components/sprite.py b/engine/components/sprite.py
index 0fbfca4..f176b21 100644
--- a/engine/components/sprite.py
+++ b/engine/components/sprite.py
@@ -3,8 +3,8 @@ from ..servers.graphics import GraphicsServer
 
 
 class Sprite(Component):
-    def __init__(self, parent, surf, z):
-        super().__init__(parent)
+    def __init__(self, surf, z):
+        super().__init__()
         self.surf = surf
         self.width = self.surf.get_width()
         self.z = z
diff --git a/engine/entity.py b/engine/entity.py
index 8252e78..3b6a1c8 100644
--- a/engine/entity.py
+++ b/engine/entity.py
@@ -1,15 +1,23 @@
 from .observer import Observer
 
 class Entity(Observer):
-    def __init__(self):
+    def __init__(self, name):
         super().__init__()
         self._components = []
+        self.name = name
+        self.scene = None
         self.x = 0
         self.y = 0
         self.script = None
 
+    def load(self):
+        pass
+
     def add(self, component):
+        component.parent = self
+        component.load()
         self._components.append(component)
+        return component
 
     def register(self):
         for component in self._components:
diff --git a/engine/game.py b/engine/game.py
index da21da4..3dae30f 100644
--- a/engine/game.py
+++ b/engine/game.py
@@ -8,6 +8,8 @@ from .scene_manager import SceneManager
 
 
 class Game:
+    cur_tick = 0
+
     def __init__(self, start_scene):
         self._graphics_server = GraphicsServer()
         self._sound_server = SoundServer()
@@ -26,4 +28,5 @@ class Game:
             self._physics_server.step()
             self._sound_server.step()
             self._graphics_server.step()
+            Game.cur_tick += 1
             clock.tick(60)
diff --git a/engine/scene.py b/engine/scene.py
index ede4c0f..7a7ae3e 100644
--- a/engine/scene.py
+++ b/engine/scene.py
@@ -2,6 +2,11 @@ class Scene:
     def __init__(self):
         self.entities = {}
 
+    def add(self, entity):
+        self.entities[entity.name] = entity
+        entity.scene = self
+        entity.load()
+
     def unload(self):
         for entity in self.entities.values():
             entity.unregister()
diff --git a/engine/servers/physics.py b/engine/servers/physics.py
index 4f3b55e..bdcc2de 100644
--- a/engine/servers/physics.py
+++ b/engine/servers/physics.py
@@ -34,7 +34,9 @@ class PhysicsServer(Server):
                 c = self._check_collide(d)
                 if c is not None:
                     if c.cb:
-                        c.cb()
+                        c.cb(d)
+                    if d.cb:
+                        d.cb(c)
                     if c.solid:
                         d.parent.x -= x_step
                         d.vx = 0
@@ -44,7 +46,9 @@ class PhysicsServer(Server):
                 c = self._check_collide(d)
                 if c is not None:
                     if c.cb:
-                        c.cb()
+                        c.cb(d)
+                    if d.cb:
+                        d.cb(c)
                     if c.solid:
                         d.parent.y -= y_step
                         d.vy = 0
diff --git a/res/pacman_1.png b/res/pacman_1.png
new file mode 100644
index 0000000..1357dcb
Binary files /dev/null and b/res/pacman_1.png differ
diff --git a/res/pacman_2.png b/res/pacman_2.png
new file mode 100644
index 0000000..767a169
Binary files /dev/null and b/res/pacman_2.png differ
diff --git a/scenes/__init__.py b/scenes/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/scenes/game_objects/__init__.py b/scenes/game_objects/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/scenes/game_objects/common.py b/scenes/game_objects/common.py
new file mode 100644
index 0000000..2d34628
--- /dev/null
+++ b/scenes/game_objects/common.py
@@ -0,0 +1 @@
+S = 20
diff --git a/scenes/game_objects/ghost.py b/scenes/game_objects/ghost.py
new file mode 100644
index 0000000..63116c2
--- /dev/null
+++ b/scenes/game_objects/ghost.py
@@ -0,0 +1,77 @@
+from enum import Enum
+from random import random, randint
+
+from pygame import Surface, draw, Rect, image
+
+from engine.entity import Entity
+from engine.resources import res
+from engine.components.collide_rect import CollideRect
+from engine.components.sprite import Sprite
+
+from .common import S
+from .pacdot import PacDot
+
+
+class Direction(Enum):
+    UP =  1
+    DOWN = 2
+    LEFT = 3
+    RIGHT = 4
+
+
+class Ghost(Entity):
+    SPEED = 1
+
+    def __init__(self, x, y):
+        super().__init__(self.__repr__())
+        sprite = Sprite(image.load(res('ghost.png')).convert(), 2)
+        self.add(sprite)
+        self.phys = CollideRect(Rect(self.x, self.y,
+                                     sprite.width, sprite.width),
+                                static=False,
+                                solid=False,
+                                cb=self.on_col)
+        self.add(self.phys)
+        self.script = Ghost.script
+        self.x = x
+        self.y = y
+        self.direction = Direction(randint(1, 4))
+
+    def on_col(self, c):
+        if isinstance(c.parent, PacDot):
+            return
+
+        if c.parent.name == 'pacman':
+            print('Perdu !')
+            exit(0)
+
+        if self.direction == Direction.UP:
+            self.direction = Direction.RIGHT if random() < .5 \
+                else Direction.LEFT
+            return
+        if self.direction == Direction.RIGHT:
+            self.direction = Direction.DOWN if random() < .5 \
+                else Direction.UP
+            return
+        if self.direction == Direction.DOWN:
+            self.direction = Direction.LEFT if random() < .5 \
+                else Direction.RIGHT
+            return
+        if self.direction == Direction.LEFT:
+            self.direction = Direction.UP if random() < .5 \
+                else Direction.DOWN
+            return
+
+    def script(self):
+        if self.direction == Direction.UP:
+            self.phys.vy = -Ghost.SPEED
+            self.phys.vx = 0
+        elif self.direction == Direction.DOWN:
+            self.phys.vy = Ghost.SPEED
+            self.phys.vx = 0
+        elif self.direction == Direction.LEFT:
+            self.phys.vx = -Ghost.SPEED
+            self.phys.vy = 0
+        elif self.direction == Direction.RIGHT:
+            self.phys.vx = Ghost.SPEED
+            self.phys.vy = 0
diff --git a/scenes/game_objects/level.py b/scenes/game_objects/level.py
new file mode 100644
index 0000000..2bda6bd
--- /dev/null
+++ b/scenes/game_objects/level.py
@@ -0,0 +1,39 @@
+from itertools import product
+
+from pygame import Surface, Rect, image
+
+from engine.entity import Entity
+from engine.resources import res
+from engine.servers.graphics import GraphicsServer
+from engine.components.collide_rect import CollideRect
+from engine.components.sprite import Sprite
+
+from .common import S
+from .pacdot import PacDot
+
+
+class Level(Entity):
+    def __init__(self, path):
+        super().__init__('level')
+        self.path = path
+
+    def load(self):
+        desc = image.load(res(self.path))
+        w, h = desc.get_size()
+        GraphicsServer().resize((w * S, h * S))
+        self.surf = Surface((w * S, h * S)).convert()
+        self.surf.fill((0, 0, 0))
+        wall = Surface((S, S)).convert()
+        wall.fill((0, 0, 255))
+        for x, y in product(range(w), range(h)):
+            col = desc.get_at((x, y))
+            if col == (0, 0, 255):
+                self.add(CollideRect(Rect(x * S, y * S, S, S)))
+                self.surf.blit(wall, (x * S, y * S))
+            elif col == (139, 139, 139):
+                pc = PacDot()
+                pc.x = x * S
+                pc.y = y * S
+                self.scene.add(pc)
+                PacDot.tot += 1
+        self.add(Sprite(self.surf, 0))
diff --git a/scenes/game_objects/pacdot.py b/scenes/game_objects/pacdot.py
new file mode 100644
index 0000000..174179a
--- /dev/null
+++ b/scenes/game_objects/pacdot.py
@@ -0,0 +1,34 @@
+from pygame import Surface, draw, Rect
+
+from engine.entity import Entity
+from engine.components.collide_rect import CollideRect
+from engine.components.sprite import Sprite
+
+from .common import S
+from .pacman import PacMan
+
+
+class PacDot(Entity):
+    tot = 0
+    s = Surface((S, S))
+    draw.circle(s, (255, 255, 0), (S//2, S//2), S//4)
+
+    def __init__(self):
+        super().__init__(self.__repr__())
+        self.add(CollideRect(Rect(0, 0, S, S),
+                             static=True, solid=False, cb=self.cb))
+        self.add(Sprite(PacDot.s, 1))
+        self.dead = False
+
+    def cb(self, c):
+        if c.parent.name != 'pacman':
+            return
+        if self.dead:
+            return
+        self.dead = True
+        PacDot.tot -= 1
+        if PacDot.tot == 0:
+            print('Gagné !')
+            exit(0)
+        if c.parent.name == 'pacman':
+            self.unregister()
diff --git a/scenes/game_objects/pacman.py b/scenes/game_objects/pacman.py
new file mode 100644
index 0000000..7285708
--- /dev/null
+++ b/scenes/game_objects/pacman.py
@@ -0,0 +1,80 @@
+from pygame import Surface, draw, Rect, key, image, transform
+from pygame.locals import K_UP, K_DOWN, K_LEFT, K_RIGHT
+
+from engine.entity import Entity
+from engine.game import Game
+from engine.resources import res
+from engine.components.collide_rect import CollideRect
+from engine.components.sprite import Sprite
+
+from .common import S
+
+
+class PacMan(Entity):
+    SIZE = 1
+    SPEED = 2
+
+    def __init__(self, x, y):
+        super().__init__('pacman')
+
+        # surf = Surface((S//PacMan.SIZE, S//PacMan.SIZE)).convert()
+        # surf.fill((0, 0, 0))
+        # draw.circle(surf,
+        #             (255, 255, 0),
+        #             (S//(2*PacMan.SIZE), S//(2*PacMan.SIZE)),
+        #             S//(2*PacMan.SIZE))
+        surf_1 = image.load(res('pacman_1.png')).convert()
+        surf_2 = image.load(res('pacman_2.png')).convert()
+
+        self.surf = [[transform.rotate(surf_1, 90),
+                      transform.rotate(surf_1, -90),
+                      transform.flip(surf_1, True, False),
+                      surf_1],
+                     [transform.rotate(surf_2, 90),
+                      transform.rotate(surf_2, -90),
+                      transform.flip(surf_2, True, False),
+                      surf_2]]
+
+        self.cur_anim = 0
+
+        self.sprite = self.add(Sprite(self.surf[self.cur_anim][0], 2))
+
+        self.phys = self.add(
+            CollideRect(Rect(self.x, self.y,
+                             self.sprite.width, self.sprite.width),
+                        static=False))
+        self.script = PacMan.update
+        self.x = x
+        self.y = y
+
+    def update(self):
+        p = self.phys
+        s = self.sprite
+
+        # Avance l’animation
+        if Game.cur_tick % 5 == 0:
+            self.cur_anim += 1
+            self.cur_anim %= 2
+
+        # Nouvelle sprite
+        if p.vy < 0:
+            s.surf = self.surf[self.cur_anim][0]
+        elif p.vy > 0:
+            s.surf = self.surf[self.cur_anim][1]
+        elif p.vx < 0:
+            s.surf = self.surf[self.cur_anim][2]
+        elif p.vx > 0:
+            s.surf = self.surf[self.cur_anim][3]
+
+        inputs = key.get_pressed()
+        if PacMan.SIZE > 1:
+            p.vx = 0
+            p.vy = 0
+        if inputs[K_UP]:
+            p.vy = -PacMan.SPEED
+        if inputs[K_DOWN]:
+            p.vy = PacMan.SPEED
+        if inputs[K_LEFT]:
+            p.vx = -PacMan.SPEED
+        if inputs[K_RIGHT]:
+            p.vx = PacMan.SPEED
diff --git a/scenes/lvl0.py b/scenes/lvl0.py
index 09e4614..de8aa9d 100644
--- a/scenes/lvl0.py
+++ b/scenes/lvl0.py
@@ -1,169 +1,19 @@
-from engine.resources import res
 from engine.scene import Scene
-from engine.entity import Entity
-from engine.components.sprite import Sprite
-from engine.components.collide_rect import CollideRect
-from engine.servers.graphics import GraphicsServer
-from engine.scene_manager import SceneManager
-from pygame import Rect
-from pygame import image
-from pygame import Surface
-from pygame import draw
-from pygame.locals import *
-from pygame import key
-from itertools import product
 
-
-S=20
-
-
-entities=[]
-
-
-class PacDot(Entity):
-    s = Surface((S, S))
-    draw.circle(s, (255, 255, 0), (S//2, S//2), S//4)
-
-    def __init__(self):
-        super().__init__()
-        CollideRect(self, Rect(0, 0, S, S),
-                    static=True, solid=False, cb=self.cb)
-        Sprite(self, PacDot.s, 1)
-
-    def cb(self):
-        self.unregister()
-
-
-def path(start, tgt, x, y, trace, length):
-    if start == tgt:
-        return length
-    if start is None or trace[y][x]:
-        return False
-    trace[y][x] = True
-    u = path(start.up, tgt, x, y-1, trace, length + 1)
-    d = path(start.down, tgt, x, y+1, trace, length + 1)
-    l = path(start.left, tgt, x-1, y, trace, length + 1)
-    r = path(start.right, tgt, x+1, y, trace, length + 1)
-    best = None
-    for subpath in (u, d, l, r):
-        if subpath and (best is None or subpath < best):
-            best = subpath
-    return best
-
-
-class Node():
-    def __init__(self):
-        self.up = None
-        self.down = None
-        self.left = None
-        self.right = None
-
-
-graph = None
-
-
-class Level(Entity):
-    def __init__(self, path):
-        super().__init__()
-        desc = image.load(res(path))
-        w, h = desc.get_size()
-        GraphicsServer().resize((w * S, h * S))
-        # graph = [[None for x in range(w)] for y in range(h)]
-        self.surf = Surface((w * S, h * S)).convert()
-        self.surf.fill((0, 0, 0))
-        wall = Surface((S, S)).convert()
-        wall.fill((0, 0, 255))
-        for x, y in product(range(w), range(h)):
-            col = desc.get_at((x, y))
-            if col == (0, 0, 255):
-                CollideRect(self, Rect(x * S, y * S, S, S))
-                self.surf.blit(wall, (x * S, y * S))
-            elif col == (139, 139, 139):
-                pc = PacDot()
-                pc.x = x * S
-                pc.y = y * S
-                entities.append(pc)
-            # elif col == (0, 0, 0):
-            #     graph[y][x] = Node()
-        # for y, line in enumerate(graph):
-        #     for x, node in enumerate(line):
-        #         if node is None:
-        #             continue
-        #         if x > 0:
-        #             node.left = graph[y][x-1]
-        #         if x < w:
-        #             node.right = graph[y][x+1]
-        #         if y > 0:
-        #             node.up = graph[y-1][x]
-        #         if y < h:
-        #             node.down = graph[y+1][y]
-        Sprite(self, self.surf, 0)
-
-
-class MovingEntity(Entity):
-    def __init__(self, surf):
-        super().__init__()
-        sprite = Sprite(self, surf, 2)
-        self.phys = CollideRect(
-            self,
-            Rect(self.x, self.y, sprite.width, sprite.width),
-            static=False)
-
-
-class Ghost(MovingEntity):
-    def __init__(self):
-        super().__init__(image.load(res('ghost.png')).convert())
-        self.script = Ghost.script
-
-    def script(self):
-        # cur_node = graph[self.y//S][self.x//S]
-        pacman = SceneManager().scene.entities['pacman']
-        # pacman_node = graph[pacman.y//S][pacman.x//S]
-        x_dist = pacman.x - self.x
-        y_dist = pacman.y - self.y
-        s = 1
-        self.phys.vx = s if x_dist > 0 else -s
-        self.phys.vy = s if y_dist > 0 else -s
+from .game_objects.common import S
+from .game_objects.level import Level
+from .game_objects.pacman import PacMan
+from .game_objects.ghost import Ghost
 
 
 class Lvl0(Scene):
     def load(self):
-        T = 1
-        v = 2
-
-        pac_surf = Surface((S//T, S//T)).convert()
-        pac_surf.fill((0, 0, 0))
-        draw.circle(pac_surf, (255, 255, 0), (S//(2*T), S//(2*T)), S//(2*T))
-        pacman = MovingEntity(pac_surf)
-        def pacman_script(entity):
-            p = pacman.phys
-            inputs = key.get_pressed()
-            if T > 1:
-                p.vx = 0
-                p.vy = 0
-            if inputs[K_UP]:
-                p.vy = -v
-            if inputs[K_DOWN]:
-                p.vy = v
-            if inputs[K_LEFT]:
-                p.vx = -v
-            if inputs[K_RIGHT]:
-                p.vx = v
-        pacman.script = pacman_script
-        pacman.x = pacman.phys.rect.x = S*1
-        pacman.y = pacman.phys.rect.y = S*1
-
-        pacman.phys.rect.w = S//T
-        pacman.phys.rect.h = S//T
-
-        self.entities['level'] = Level('lvl0.png')
-        for i, entity in enumerate(entities):
-            self.entities[f'pacdot-{i}'] = entity
-        self.entities['pacman'] = pacman
-        self.entities['ghost'] = Ghost()
-        self.entities['ghost'].x = S*6
-        self.entities['ghost'].y = S*2
-
+        self.add(Level('lvl0.png'))
+        self.add(PacMan(S, S))
+        self.add(Ghost(S*6, S*2))
+        self.add(Ghost(S*6, S*13))
+        self.add(Ghost(S*18, S*13))
+        self.add(Ghost(S*8, S*23))
         super().load()