diff --git a/init.lua b/init.lua
index 00375d2..94c6db0 100644
--- a/init.lua
+++ b/init.lua
@@ -46,11 +46,11 @@ local get_light = function( position )
 end
 
 local get_fog = function( distance )
-   return clamp( math.pow ( distance / 64, 2 ), 0, 1 )
+   return clamp( math.pow ( distance / 128, 2 ), 0, 1 )
 end
 
-local shade = function( origin, direction, background_color )
-	local ray = minetest.raycast( origin, direction, false, true )
+local shade = function( origin, target, background_color )
+	local ray = minetest.raycast( origin, target, false, true )
 	local color
 	for pointed_thing in ray do
 		if "node" == pointed_thing.type then
@@ -81,37 +81,32 @@ local create_photo_pixels = function( player_name )
 	local eye = girl:get_pos() + girl:get_eye_offset() / 10
 	eye.y = eye.y + girl:get_properties().eye_height
 	local dir = girl:get_look_dir()
-	local gaze = vector.normalize( girl:get_look_dir() ) + eye * -1
-	local down = vector.new({ x=0, y=-1, z=0 }) * 4
-	local right = vector.normalize( gaze:cross( down ) ) * -4
-	local corner = gaze + ( right + down ) * width / 2
+	local right = vector.normalize(
+		vector.new( { x=dir.z, y=dir.y, z=-dir.x } )
+	)
+	local down = vector.normalize(
+		dir:cross( right )
+	)
+	local corner = eye + dir + ( right + down )
 	local bg = 127
 	local pixels = {}
 	for h = 1,height,1 do
-		local y = h - 1
+		local y = height - ( h - 1 )
 		pixels[h] = {}
 		for w = 1,width,1 do
-			local x = w - 1
+			local x = width - ( w - 1 )
 			local samples = 4 -- can be up to 9
 			local acc_color = 0
 			for sample = 1,samples,1 do
 				local x_offset = x_offset_by_sample[sample] * 0.2
 				local y_offset = y_offset_by_sample[sample] * 0.2
 				local lens = (
-					right * x_offset +
-					down * y_offset
-				) * 99
-				-- TODO: why does this point towards ( 0, 0, 0 )?
-				local direction = (
-					gaze +
 					right * ( width/2 - x + x_offset ) +
 					down * ( height/2 - y + y_offset )
-				)
-				local color = shade(
-					eye,
-					direction,
-					bg
-				)
+				) * 2
+				local pos1 = eye
+				local pos2 = eye + lens + ( dir * 128 )
+				local color = shade( pos1, pos2, bg )
 				if nil == color then  -- probably the sky
 					color = 191 - math.floor ( y / 2 )
 				end