diff --git a/Zframework/init.lua b/Zframework/init.lua
index 834f5431..92a29469 100644
--- a/Zframework/init.lua
+++ b/Zframework/init.lua
@@ -142,7 +142,7 @@ function love.mousemoved(x,y,dx,dy,touch)
 	dx,dy=dx/SCR.k,dy/SCR.k
 	if SCN.mouseMove then SCN.mouseMove(mx,my,dx,dy)end
 	if ms.isDown(1)then
-		WIDGET.drag(mx,my,dx*SCR.dpi,dy*SCR.dpi)
+		WIDGET.drag(mx,my,dx/SCR.k,dy/SCR.k)
 	else
 		WIDGET.cursorMove(mx,my)
 	end
@@ -178,7 +178,7 @@ function love.touchmoved(_,x,y,dx,dy)
 	if SCN.swapping then return end
 	x,y=xOy:inverseTransformPoint(x,y)
 	if SCN.touchMove then SCN.touchMove(x,y,dx/SCR.k,dy/SCR.k)end
-	WIDGET.drag(x,y,dx*SCR.dpi,dy*SCR.dpi)
+	WIDGET.drag(x,y,dx/SCR.k,dy/SCR.k)
 	if touching then
 		WIDGET.cursorMove(x,y)
 		if not WIDGET.sel then touching=false end
@@ -652,7 +652,7 @@ function love.run()
 						elseif devMode==4 then WAIT(.5)
 						end
 					end
-				gc_translate(SCR.w*.5,SCR.h)
+				gc_translate(SCR.cx,SCR.h)
 				gc_scale(SCR.k)
 					--Draw Version string
 					gc_setColor(.8,.8,.8,.4)
diff --git a/Zframework/screen.lua b/Zframework/screen.lua
index 1f455de3..c198a6e4 100644
--- a/Zframework/screen.lua
+++ b/Zframework/screen.lua
@@ -21,13 +21,16 @@ function SCR.resize(w,h)
 	SCR.r=h/w
 	SCR.rad=(w^2+h^2)^.5
 
+	SCR.x,SCR.y=0,0
 	if SCR.r>=SCR.h0/SCR.w0 then
 		SCR.k=w/SCR.w0
-		SCR.x,SCR.y=0,(h-w*SCR.h0/SCR.w0)/2
+		SCR.y=(h-SCR.h0*SCR.k)/2
 	else
 		SCR.k=h/SCR.h0
-		SCR.x,SCR.y=(w-h*SCR.w0/SCR.h0)/2,0
+		SCR.x=(w-SCR.w0*SCR.k)/2
 	end
+	SCR.cx,SCR.cy=SCR.w/2,SCR.h/2
+	SCR.ex,SCR.ey=SCR.w-SCR.x,SCR.h-SCR.y
 	SCR.safeX,SCR.safeY,SCR.safeW,SCR.safeH=love.window.getSafeArea()
 	SCR.xOy:setTransformation(w/2,h/2,nil,SCR.k,nil,SCR.w0/2,SCR.h0/2)
 end
@@ -41,7 +44,7 @@ function SCR.info()
 		("W,H : %d, %d"):format(SCR.W,SCR.H),
 		("safeX,safeY : %d, %d"):format(SCR.safeX,SCR.safeY),
 		("safeW,safeH : %d, %d"):format(SCR.safeW,SCR.safeH),
-		("k,dpi,rad : %d, %d, %.4f"):format(SCR.k,SCR.dpi,SCR.rad),
+		("k,dpi,rad : %.2f, %d, %.2f"):format(SCR.k,SCR.dpi,SCR.rad),
 	}
 end
 return SCR
\ No newline at end of file
diff --git a/parts/backgrounds/blackhole.lua b/parts/backgrounds/blackhole.lua
index 65d03700..956e2beb 100644
--- a/parts/backgrounds/blackhole.lua
+++ b/parts/backgrounds/blackhole.lua
@@ -45,7 +45,7 @@ function back.draw()
 	gc_clear(.1,.1,.1)
 	gc_push('transform')
 	gc_origin()
-	gc_translate(SCR.w/2,SCR.h/2)
+	gc_translate(SCR.cx,SCR.cy)
 
 	--Squares
 	gc_setColor(1,1,1,.2)
diff --git a/parts/backgrounds/blockspace.lua b/parts/backgrounds/blockspace.lua
index fe471e24..9de4746a 100644
--- a/parts/backgrounds/blockspace.lua
+++ b/parts/backgrounds/blockspace.lua
@@ -44,7 +44,7 @@ function back.draw()
 	gc_clear(.1,.1,.1)
 	gc_push('transform')
 	gc_origin()
-	gc_translate(SCR.w/2,SCR.h/2)
+	gc_translate(SCR.cx,SCR.cy)
 	for i=1,#mino do
 		local M=mino[i]
 		local c=M.color
diff --git a/parts/backgrounds/lightning2.lua b/parts/backgrounds/lightning2.lua
index a0571ee0..1b275922 100644
--- a/parts/backgrounds/lightning2.lua
+++ b/parts/backgrounds/lightning2.lua
@@ -24,6 +24,6 @@ function back.draw()
 	end
 	local _=colorLib[SETTING.skin[R]]
 	gc.setColor(_[1],_[2],_[3],.12)
-	gc.draw(TEXTURE.miniBlock[R],SCR.w/2,SCR.h/2,t%3.1416*6,400*SCR.k,nil,scs[R][0][2]+.5,#blocks[R][0]-scs[R][0][1]-.5)
+	gc.draw(TEXTURE.miniBlock[R],SCR.cx,SCR.cy,t%3.1416*6,400*SCR.k,nil,scs[R][0][2]+.5,#blocks[R][0]-scs[R][0][1]-.5)
 end
 return back
\ No newline at end of file
diff --git a/parts/backgrounds/welcome.lua b/parts/backgrounds/welcome.lua
index 7355967a..be12b871 100644
--- a/parts/backgrounds/welcome.lua
+++ b/parts/backgrounds/welcome.lua
@@ -19,7 +19,7 @@ function back.draw()
 		gc.clear(.1,.1,.1)
 	end
 	gc.push('transform')
-	gc.translate(SCR.w/2,SCR.h/2+20*sin(t*.02))
+	gc.translate(SCR.cx,SCR.cy+20*sin(t*.02))
 	gc.scale(SCR.k)
 	gc.scale(1.1626,1.26)
 	if -t%6.26<.1355 then