diff --git a/Zframework/mathExtend.lua b/Zframework/mathExtend.lua
index 91c109d2..5f3db7c3 100644
--- a/Zframework/mathExtend.lua
+++ b/Zframework/mathExtend.lua
@@ -30,4 +30,8 @@ function MATH.interval(v,low,high)
     end
 end
 
+function MATH.expApproach(a,b,k)
+    return b+(a-b)*2.718281828459045^-k
+end
+
 return MATH
\ No newline at end of file
diff --git a/Zframework/widget.lua b/Zframework/widget.lua
index b10c2c74..0de18a14 100644
--- a/Zframework/widget.lua
+++ b/Zframework/widget.lua
@@ -19,6 +19,7 @@ local sub,ins,rem=string.sub,table.insert,table.remove
 local xOy=SCR.xOy
 local FONT=FONT
 local mStr=GC.mStr
+local approach=MATH.expApproach
 
 local downArrowIcon=GC.DO{40,25,{'fPoly',0,0,20,25,40,0}}
 local upArrowIcon=GC.DO{40,25,{'fPoly',0,25,20,0,40,25}}
@@ -542,7 +543,7 @@ function slider:update(dt)
         if ATV>0 then self.ATV=max(ATV-dt*30,0)end
     end
     if not self.hide then
-        self.pos=self.pos*.7+self.disp()*.3
+        self.pos=approach(self.pos,self.disp(),dt*26)
     end
 end
 function slider:draw()
diff --git a/parts/gameFuncs.lua b/parts/gameFuncs.lua
index 22ca2764..dd37bfb6 100644
--- a/parts/gameFuncs.lua
+++ b/parts/gameFuncs.lua
@@ -7,6 +7,7 @@ local gc_draw,gc_rectangle,gc_line,gc_printf=gc.draw,gc.rectangle,gc.line,gc.pri
 
 local ins,rem=table.insert,table.remove
 local int,rnd=math.floor,math.random
+local approach=MATH.expApproach
 
 local SETTING,GAME,SCR=SETTING,GAME,SCR
 local PLAYERS=PLAYERS
@@ -797,7 +798,7 @@ do--function resetGameData(args)
 end
 do--function checkWarning()
     local max=math.max
-    function checkWarning()
+    function checkWarning(dt)
         local P1=PLAYERS[1]
         if P1.alive then
             if P1.frameRun%26==0 then
@@ -817,7 +818,7 @@ do--function checkWarning()
             end
             local _=GAME.warnLVL
             if _<GAME.warnLVL0 then
-                _=_*.95+GAME.warnLVL0*.05
+                _=approach(_,GAME.warnLVL0,dt*6)
             elseif _>0 then
                 _=max(_-.026,0)
             end
diff --git a/parts/netPlayer.lua b/parts/netPlayer.lua
index e41264fa..8761718a 100644
--- a/parts/netPlayer.lua
+++ b/parts/netPlayer.lua
@@ -7,6 +7,7 @@ local rnd,min=math.random,math.min
 local sin,cos=math.sin,math.cos
 local ins,rem=table.insert,table.remove
 local setFont=FONT.set
+local approach=MATH.expApproach
 
 local posLists={
     --1~5
@@ -193,14 +194,15 @@ function NETPLY.mouseMove(x,y)
     end
 end
 
-function NETPLY.update()
+function NETPLY.update(dt)
     for i=1,#PLYlist do
         local p=PLYlist[i]
         local t=posList[i]
-        p.x=p.x*.9+t.x*.1
-        p.y=p.y*.9+t.y*.1
-        p.w=p.w*.9+t.w*.1
-        p.h=p.h*.9+t.h*.1
+        local d=dt*12
+        p.x=approach(p.x,t.x,d)
+        p.y=approach(p.y,t.y,d)
+        p.w=approach(p.w,t.w,d)
+        p.h=approach(p.h,t.h,d)
     end
 end
 
diff --git a/parts/player/draw.lua b/parts/player/draw.lua
index 836f9e71..2c18209a 100644
--- a/parts/player/draw.lua
+++ b/parts/player/draw.lua
@@ -904,10 +904,10 @@ function draw.norm(P,repMode)
         setFont(25)
         local tm=STRING.time(P.stat.time)
         gc_setColor(0,0,0,.3)
-        gc_print(P.score1,18,509)
+        gc_print(ceil(P.score1),18,509)
         gc_print(tm,18,539)
         gc_setColor(.97,.97,.92)
-        gc_print(P.score1,20,510)
+        gc_print(ceil(P.score1),20,510)
         gc_setColor(.85,.9,.97)
         gc_print(tm,20,540)
 
diff --git a/parts/player/player.lua b/parts/player/player.lua
index b1d83f0a..404aa025 100644
--- a/parts/player/player.lua
+++ b/parts/player/player.lua
@@ -8,6 +8,7 @@ local int,ceil,rnd=math.floor,math.ceil,math.random
 local max,min,abs,modf=math.max,math.min,math.abs,math.modf
 local assert,ins,rem=assert,table.insert,table.remove
 local resume,yield,status=coroutine.resume,coroutine.yield,coroutine.status
+local approach=MATH.expApproach
 
 local SFX,BGM,VOC,VIB,SYSFX=SFX,BGM,VOC,VIB,SYSFX
 local FREEROW,TABLE,TEXT,TASK=LINE,TABLE,TEXT,TASK
@@ -2166,7 +2167,7 @@ end
 --------------------------</Tick>--------------------------
 
 --------------------------<Event>--------------------------
-local function _updateMisc(P)
+local function _updateMisc(P,dt)
     --Finesse combo animation
     if P.finesseComboTime>0 then
         P.finesseComboTime=P.finesseComboTime-1
@@ -2216,7 +2217,7 @@ local function _updateMisc(P)
         end
         local f=P.fieldUp
         if f~=y then
-            P.fieldUp=f>y and max(f*.95+y*.05-2,y)or min(f*.97+y*.03+1,y)
+            P.fieldUp=f>y and max(approach(f,y,dt*6)-2,y)or min(approach(f,y,dt*3)+1,y)
         end
     end
 
@@ -2225,7 +2226,7 @@ local function _updateMisc(P)
         if P.stat.score-P.score1<10 then
             P.score1=P.score1+1
         else
-            P.score1=int(min(P.score1*.9+P.stat.score*.1+1))
+            P.score1=approach(P.score1,P.stat.score,dt*62)
         end
     end
 
@@ -2302,7 +2303,7 @@ local function _updateFX(P,dt)
         end
     end
 end
-local function update_alive(P)
+local function update_alive(P,dt)
     local ENV=P.gameEnv
 
     P.frameRun=P.frameRun+1
@@ -2332,11 +2333,11 @@ local function update_alive(P)
 
     if P.timing then P.stat.frame=P.stat.frame+1 end
 
-    --Calculate key speed
+    --Calculate drop speed
     do
         local v=0
         for i=2,10 do v=v+i*(i-1)*72/(P.frameRun-P.dropTime[i])end
-        P.dropSpeed=P.dropSpeed*.99+v*.01
+        P.dropSpeed=approach(P.dropSpeed,v,dt)
     end
 
     if P.gameEnv.layout=='royale'then
@@ -2532,14 +2533,15 @@ local function update_alive(P)
     ::THROW_stop::
 
     --B2B bar animation
-    if P.b2b1==P.b2b then
-    elseif P.b2b1<P.b2b then
-        P.b2b1=min(P.b2b1*.98+P.b2b*.02+.4,P.b2b)
-    else
-        P.b2b1=max(P.b2b1*.95+P.b2b*.05-.6,P.b2b)
+    if P.b2b1~=P.b2b then
+        if P.b2b1<P.b2b then
+            P.b2b1=min(approach(P.b2b1,P.b2b,dt*6)+.4,P.b2b)
+        else
+            P.b2b1=max(approach(P.b2b1,P.b2b,dt*12)-.6,P.b2b)
+        end
     end
 
-    _updateMisc(P)
+    _updateMisc(P,dt)
     --[[
         P:setPosition(
             640-150-(30*(P.curX+P.cur.sc[2])-15),
@@ -2590,11 +2592,11 @@ local function update_streaming(P)
         eventTime=P.stream[P.streamProgress]
     end
 end
-local function update_dead(P)
+local function update_dead(P,dt)
     local S=P.stat
 
     --Final average speed
-    P.dropSpeed=P.dropSpeed*.96+S.piece/S.frame*144
+    P.dropSpeed=approach(P.dropSpeed,S.piece/S.frame*3600,dt)
 
     if P.gameEnv.layout=='royale'then
         P.swappingAtkMode=min(P.swappingAtkMode+2,30)
@@ -2606,7 +2608,7 @@ local function update_dead(P)
     if P.b2b1>0 then
         P.b2b1=max(0,P.b2b1*.92-1)
     end
-    _updateMisc(P)
+    _updateMisc(P,dt)
 end
 function Player:_die()
     self.alive=false
@@ -2664,17 +2666,17 @@ function Player:update(dt)
                         20
                     do
                         update_streaming(self)
-                        update_alive(self)
+                        update_alive(self,dt)
                     end
                 end
             else
-                update_alive(self)
+                update_alive(self,dt)
             end
             self.trigFrame=self.trigFrame-1
         end
     else
         while self.trigFrame>=1 do
-            update_dead(self)
+            update_dead(self,dt)
             self.trigFrame=self.trigFrame-1
         end
     end
diff --git a/parts/scenes/app_cubefield.lua b/parts/scenes/app_cubefield.lua
index 711810d4..29b5659e 100644
--- a/parts/scenes/app_cubefield.lua
+++ b/parts/scenes/app_cubefield.lua
@@ -174,7 +174,7 @@ function scene.update(dt)
         end
     end
 
-    life1=life1*.7+life*.3
+    life1=MATH.expApproach(life1,life,dt*16)
 
     if play then
         if inv>0 then
diff --git a/parts/scenes/app_dtw.lua b/parts/scenes/app_dtw.lua
index 1c62735a..8df7ea70 100644
--- a/parts/scenes/app_dtw.lua
+++ b/parts/scenes/app_dtw.lua
@@ -280,13 +280,13 @@ function scene.touchDown(x)
     end
 end
 
-function scene.update()
+function scene.update(dt)
     if state==1 then
         local t=TIME()
         time=t-startTime
         local v=0
         for i=2,20 do v=v+i*(i-1)*.3/(t-keyTime[i])end
-        speed=speed*.99+v*.01
+        speed=MATH.expApproach(speed,v,dt)
         if speed>maxSpeed then maxSpeed=speed end
 
         if arcade then
diff --git a/parts/scenes/app_tap.lua b/parts/scenes/app_tap.lua
index 9fb374a8..18672284 100644
--- a/parts/scenes/app_tap.lua
+++ b/parts/scenes/app_tap.lua
@@ -31,11 +31,11 @@ function scene.keyDown(key,isRep)
     end
 end
 
-function scene.update()
+function scene.update(dt)
     local t=TIME()
     local v=0
     for i=2,40 do v=v+i*(i-1)*.075/(t-keyTime[i])end
-    speed=speed*.99+v*.01
+    speed=MATH.expApproach(speed,v,dt)
     if speed>maxSpeed then
         maxSpeed=speed
     end
diff --git a/parts/scenes/game.lua b/parts/scenes/game.lua
index 1533e67d..0291e218 100644
--- a/parts/scenes/game.lua
+++ b/parts/scenes/game.lua
@@ -298,7 +298,7 @@ local function _update_common(dt)
     end
 
     --Warning check
-    checkWarning()
+    checkWarning(dt)
 end
 function scene.update(dt)
     trigGameRate=trigGameRate+gameRate
diff --git a/parts/scenes/main.lua b/parts/scenes/main.lua
index 974f1e73..84fb8dea 100644
--- a/parts/scenes/main.lua
+++ b/parts/scenes/main.lua
@@ -134,7 +134,7 @@ function scene.update(dt)
     end
     local L=scene.widgetList
     for i=1,8 do
-        L[i].x=L[i].x*.9+(widgetX0[i]-400+(WIDGET.isFocus(L[i])and(i<5 and 100 or -100)or 0))*.1
+        L[i].x=MATH.expApproach(L[i].x,(widgetX0[i]-400+(WIDGET.isFocus(L[i])and(i<5 and 100 or -100)or 0)),dt*12)
     end
 end
 
diff --git a/parts/scenes/net_game.lua b/parts/scenes/net_game.lua
index facd71e7..e403a216 100644
--- a/parts/scenes/net_game.lua
+++ b/parts/scenes/net_game.lua
@@ -246,7 +246,7 @@ function scene.update(dt)
         for p=1,#PLAYERS do PLAYERS[p]:update(dt)end
 
         --Warning check
-        checkWarning()
+        checkWarning(dt)
 
         --Upload stream
         if not NET.spectate and P1.frameRun-lastUpstreamTime>8 then
@@ -265,7 +265,7 @@ function scene.update(dt)
             lastUpstreamTime=PLAYERS[1].alive and P1.frameRun or 1e99
         end
     else
-        NETPLY.update()
+        NETPLY.update(dt)
     end
     if newMessageTimer>0 then
         newMessageTimer=newMessageTimer-1
diff --git a/parts/scenes/setting_skin.lua b/parts/scenes/setting_skin.lua
index 326cd8d6..a83f7f29 100644
--- a/parts/scenes/setting_skin.lua
+++ b/parts/scenes/setting_skin.lua
@@ -22,9 +22,9 @@ function scene.sceneInit()
     end
 end
 
-function scene.update()
+function scene.update(dt)
     for i=1,7 do
-        minoRot[i]=minoRot[i]*.8+minoRot0[i]*.2
+        minoRot[i]=MATH.expApproach(minoRot[i],minoRot0[i],dt*12)
     end
 end
 function scene.draw()