fixed arrow physics

code/gameworld.lua

@@ -2,7 +2,7 @@ function GameworldDrawPrepare()
   if game_resize then
     Camera.height = game.height
     Camera.width = game.width
-    Darkness.Recreate()
+    Canvas.Darkness.Recreate()
   end
   pcr, pcg, pcb, pca = love.graphics.getColor()
 	love.graphics.scale(game.scale,game.scale)
@@ -74,8 +74,8 @@ function GameworldDrawForeground()
 end
 
 function GameworldDrawDarkness()
-  Darkness.Reset()
-  Darkness.DrawStart()
+  Canvas.Darkness:Reset()
+  Canvas.Darkness:DrawingStart()
   love.graphics.setBlendMode("replace")
   love.graphics.setColor(0,0,0,0)
   for _, light in pairs(LoadedObjects.Lights) do
@@ -93,7 +93,8 @@ function GameworldDrawDarkness()
   			)
   	end
   end
-  Darkness.DrawEnd()
+  Canvas.Darkness:DrawingEnd()
+  Canvas.Darkness:Draw()
 end
 
 function GameworldDrawLights()