diff --git a/sonic-radiance.love/core/init.lua b/sonic-radiance.love/core/init.lua
index 5a8da4c..964d970 100644
--- a/sonic-radiance.love/core/init.lua
+++ b/sonic-radiance.love/core/init.lua
@@ -97,6 +97,7 @@ function CoreSystem:update(dt)
   end
 
   self.scenemanager:update(dt)
+  self.screen:update(dt)
 end
 
 -- DRAW FUNCTIONS
diff --git a/sonic-radiance.love/core/modules/scenes.lua b/sonic-radiance.love/core/modules/scenes.lua
index d418541..7559768 100644
--- a/sonic-radiance.love/core/modules/scenes.lua
+++ b/sonic-radiance.love/core/modules/scenes.lua
@@ -72,7 +72,7 @@ function Scene:updateEnd(dt)
 end
 
 function Scene:updateWorld(dt)
-  if (self.world ~= nil) and (self.world.isActive) then
+  if ((self.world ~= nil) and (self.world.isActive) and core.screen:isActive()) then
     self.world:update(dt)
   end
 end
diff --git a/sonic-radiance.love/core/modules/transitions/default.lua b/sonic-radiance.love/core/modules/transitions/default.lua
new file mode 100644
index 0000000..cf056b0
--- /dev/null
+++ b/sonic-radiance.love/core/modules/transitions/default.lua
@@ -0,0 +1,14 @@
+local TransitionParent = require "core.modules.transitions.parent"
+local DefaultTransition = TransitionParent:extend()
+
+function DefaultTransition:new(func, ox, oy, fadeOut)
+    DefaultTransition.super.new(self, func, ox, oy, fadeOut, "inQuad", "outQuad", 0.35, 0.15)
+end
+
+function DefaultTransition:draw()
+    love.graphics.setColor(0,0,0,self.value)
+    love.graphics.rectangle("fill", 0, 0, 424, 240)
+    utils.graphics.resetColor()
+end
+
+return DefaultTransition
\ No newline at end of file
diff --git a/sonic-radiance.love/core/modules/transitions/init.lua b/sonic-radiance.love/core/modules/transitions/init.lua
new file mode 100644
index 0000000..7a2554b
--- /dev/null
+++ b/sonic-radiance.love/core/modules/transitions/init.lua
@@ -0,0 +1,3 @@
+return {
+    default = require "core.modules.transitions.default"
+}
\ No newline at end of file
diff --git a/sonic-radiance.love/core/modules/transitions/parent.lua b/sonic-radiance.love/core/modules/transitions/parent.lua
new file mode 100644
index 0000000..0115d1c
--- /dev/null
+++ b/sonic-radiance.love/core/modules/transitions/parent.lua
@@ -0,0 +1,43 @@
+local TransitionParent = Object:extend()
+local TweenManager = require "game.modules.tweenmanager"
+
+function TransitionParent:new(func, ox, oy, fadeOut, easeIn, easeOut, duration, wait)
+    print(func, ox, oy, fadeOut, easeIn, easeOut, duration)
+    self.tween = TweenManager(self)
+    self:loadResources()
+    self.func = func
+    self.ox = ox or 0
+    self.oy = oy or 0
+    self.fadeOut = fadeOut
+    if (self.fadeOut) then
+        self.value = 1
+        self.tween:newTween(wait, duration, {value = 0}, easeOut)
+    else
+        self.value = 0
+        self.tween:newTween(0, duration, {value = 1}, easeIn)
+    end
+    self.tween:newTimer(duration + wait, "isOver")
+end
+
+function TransitionParent:loadResources()
+    --vide par defaut
+end
+
+function TransitionParent:update(dt)
+    self.tween:update(dt)
+end
+
+function TransitionParent:timerResponse(timer)
+    if (timer == "isOver") then
+        if (self.func ~= nil) then
+            self.func()
+        end
+        core.screen:transitionOver(self.fadeOut)
+    end
+end
+
+function TransitionParent:draw()
+
+end
+
+return TransitionParent
\ No newline at end of file
diff --git a/sonic-radiance.love/core/scenemanager.lua b/sonic-radiance.love/core/scenemanager.lua
index d2b44eb..a760f26 100644
--- a/sonic-radiance.love/core/scenemanager.lua
+++ b/sonic-radiance.love/core/scenemanager.lua
@@ -130,6 +130,7 @@ function SceneManager:draw()
     self.currentScene:draw()
     self.currentScene.menusystem:draw()
     self.currentScene:drawEnd()
+    self.controller.screen:drawTransition()
   end
   self.controller.screen:cease()
 end
diff --git a/sonic-radiance.love/core/screen.lua b/sonic-radiance.love/core/screen.lua
index 8033749..aa6c666 100644
--- a/sonic-radiance.love/core/screen.lua
+++ b/sonic-radiance.love/core/screen.lua
@@ -39,6 +39,27 @@ function ScreenManager:new(controller)
   CScreen.setColor(0, 0, 0, 1)
 
   love.graphics.setDefaultFilter( "nearest", "nearest", 1 )
+
+  self.transition = nil
+  self.transitionOut = nil
+  self.isOpaque = false
+end
+
+function ScreenManager:startTransition(transitionIn, transitionOut, func, x, y)
+  self.transition = transitionIn(func, x, y, false)
+  self.transitionOut = transitionOut(nil, x, y, true)
+end
+
+function ScreenManager:transitionOver(fadeOut)
+  if (not fadeOut) then
+    self.transition = self.transitionOut
+  else
+    self.transition = nil
+  end
+end
+
+function ScreenManager:isActive()
+  return ((self.transition == nil) and (not self.isOpaque))
 end
 
 function ScreenManager:applySettings()
@@ -55,6 +76,12 @@ function ScreenManager:applySettings()
   CScreen.update(width, height)
 end
 
+function ScreenManager:update(dt)
+  if (self.transition ~= nil) then
+    self.transition:update(dt)
+  end
+end
+
 -- POINTER FUNCTIONS
 -- Translate the pointer according to the screen coordinates
 
@@ -104,4 +131,10 @@ function ScreenManager:cease()
   CScreen.cease()
 end
 
+function ScreenManager:drawTransition()
+  if (self.transition ~= nil) then
+    self.transition:draw()
+  end
+end
+
 return ScreenManager
diff --git a/sonic-radiance.love/scenes/overworld/charsetmanager.lua b/sonic-radiance.love/scenes/overworld/charsetmanager.lua
index df1c82f..71d975e 100644
--- a/sonic-radiance.love/scenes/overworld/charsetmanager.lua
+++ b/sonic-radiance.love/scenes/overworld/charsetmanager.lua
@@ -21,7 +21,9 @@ function Charset:new(scene)
 end
 
 function Charset:update(dt)
-  self.currentFrame = ((self.currentFrame + (dt*5)) % 4)
+  if (core.screen:isActive()) then
+    self.currentFrame = ((self.currentFrame + (dt*5)) % 4)
+  end
 end
 
 function Charset:addChar(ii, jj)