diff --git a/main.lua b/main.lua
index d9d17d9..db959cf 100644
--- a/main.lua
+++ b/main.lua
@@ -1,3 +1,11 @@
+if os.getenv("LOCAL_LUA_DEBUGGER_VSCODE")=="1" then
+    lldebugger=require('lldebugger')
+    lldebugger.start()
+    REQUEST_BREAK=lldebugger.requestBreak
+else
+    REQUEST_BREAK=function()end
+end
+
 require 'funcs'
 DEBUG_showKey=true
 
@@ -25,8 +33,8 @@ function love.load()
     love.mouse.setVisible(false)
     love.window.setMode(love.graphics.getWidth(), love.graphics.getHeight(), {resizable = true});
 
-    -- used for screenshots
-    GLOBAL_CANVAS = love.graphics.newCanvas()
+    GLOBAL_TRANSFORM = love.math.newTransform()
+    love.resize(love.graphics.getWidth(), love.graphics.getHeight())
 
     -- init config
     initConfig()
@@ -35,20 +43,22 @@ function love.load()
 
 end
 
+function love.resize(w, h)
+    local scale_factor = math.min(w / 640, h / 480)
+    GLOBAL_TRANSFORM:setTransformation(
+        (w - scale_factor * 640) / 2,   -- x
+        (h - scale_factor * 480) / 2,   -- y
+        0,                              -- orientation
+        scale_factor
+    )
+end
+
 function love.draw()
-    love.graphics.setCanvas(GLOBAL_CANVAS)
+    love.graphics.replaceTransform(GLOBAL_TRANSFORM)
     love.graphics.clear()
     love.graphics.push()
 
     -- get offset matrix
-    local width = love.graphics.getWidth()
-    local height = love.graphics.getHeight()
-    local scale_factor = math.min(width / 640, height / 480)
-    love.graphics.translate(
-        (width - scale_factor * 640) / 2,
-        (height - scale_factor * 480) / 2
-    )
-    love.graphics.scale(scale_factor)
 
     scene:render()
     love.graphics.pop()
@@ -56,10 +66,6 @@ function love.draw()
     if DEBUG_showKey then
         drawText("Pressed: "..(LastPressedKey or '[NONE]').." | Released: "..(LastReleasedKey or '[NONE]'),0,0,1000,"left")
     end
-
-    love.graphics.setCanvas()
-    love.graphics.setColor(1,1,1,1)
-    love.graphics.draw(GLOBAL_CANVAS)
 end
 
 function love.keypressed(key, scancode)
@@ -76,7 +82,7 @@ function love.keypressed(key, scancode)
     elseif string.match(scancode, "^f[1-9]$") or string.match(scancode, "^f[1-9][0-9]+$") then
         return
     -- escape is reserved for menu_back
-    elseif scancode == "escape" then
+    elseif scancode == "escape" or scancode == "acback" then
         scene:onInputPress({input="menu_back", type="key", key=key, scancode=scancode})
     -- pass any other key to the scene, with its configured mapping
     else
@@ -93,7 +99,7 @@ function love.keyreleased(key, scancode)
     local input_released = nil
 
     -- escape is reserved for menu_back
-    if scancode == "escape" or scancode=='acback' then
+    if scancode == "escape" or scancode == 'acback' then
         scene:onInputRelease({input="menu_back", type="key", key=key, scancode=scancode})
     -- function keys are reserved
     elseif string.match(scancode, "^f[1-9]$") or string.match(scancode, "^f[1-9][0-9]+$") then
@@ -238,11 +244,6 @@ function love.focus(f)
     return
 end
 
-function love.resize(w, h)
-        GLOBAL_CANVAS:release()
-        GLOBAL_CANVAS = love.graphics.newCanvas(w, h)
-end
-
 local TARGET_FPS = 60
 
 function love.run()