diff --git a/main.lua b/main.lua
index 19fad86..c272015 100644
--- a/main.lua
+++ b/main.lua
@@ -1,3 +1,7 @@
+function int(x)
+  return math.ceil(x)
+end
+
 function love.load()
   p2 = math.pi / 2
   p3 = 3 * math.pi / 2
@@ -8,10 +12,10 @@ function love.load()
   love.window.setMode(1024, 512)
 
   player = {}
-  player["x"] = 100
+  player["x"] = 96
   player["y"] = 110
   player["size"] = 8
-  player["angle"] = -math.pi / 2
+  player["angle"] = math.pi / 2
   player["dx"] = math.cos(player.angle) * 5
   player["dy"] = math.sin(player.angle) * 5
   player["offset"] = 20
@@ -52,12 +56,12 @@ function love.update()
   local yo = 0
   if player.dy < 0 then yo = -player.offset else yo = player.offset end
 
-  local ipx = math.ceil(player.x / map.size)
-  local ipx_add_xo = math.ceil((player.x + xo) / map.size)
-  local ipx_sub_xo = math.ceil((player.x - xo) / map.size)
-  local ipy = math.ceil(player.y / map.size)
-  local ipy_add_yo = math.ceil((player.y + yo) / map.size)
-  local ipy_sub_yo = math.ceil((player.y - yo) / map.size)
+  local ipx = int(player.x / map.size)
+  local ipx_add_xo = int((player.x + xo) / map.size)
+  local ipx_sub_xo = int((player.x - xo) / map.size)
+  local ipy = int(player.y / map.size)
+  local ipy_add_yo = int((player.y + yo) / map.size)
+  local ipy_sub_yo = int((player.y - yo) / map.size)
 
   local pos1 = (ipy - 1)*map.x + ipx_add_xo
   local pos2 = (ipy_add_yo - 1)*map.x + ipx
@@ -237,13 +241,6 @@ function drawRays3D()
       disT = disH
     end
 
-    love.graphics.setColor(1, 1, 1)
-    love.graphics.setLineWidth(1)
-    love.graphics.line(
-      player.x, player.y,
-      ray.x, ray.y
-    )
-
     local ca = player.angle - ray.angle
     if ca < 0 then
       ca = ca + 2 * math.pi
@@ -253,16 +250,22 @@ function drawRays3D()
     end
     disT = disT * math.cos(ca)
 
-    local lineH = map.size * 320 / disT
+    local lineH = int(map.size * 320 / disT)
     if lineH > 320 then
       lineH = 320
     end
-    local lineO = 160 - lineH / 2
-    love.graphics.setLineWidth(8)
-    love.graphics.line(
-      r * 8 + 530, lineO,
-      r * 8 + 530, lineH + lineO
-    )
+    local lineO = int(160 - (lineH / 2))
+
+    love.graphics.setPointSize(8)
+    love.graphics.setColor(1, 1, 1)
+    local top = lineH - 1
+    for y = 0, top do 
+      if y == 0 or y == top then
+        love.graphics.points(
+          r * 8 + 530, y + lineO
+        )
+      end
+    end
 
     ray.angle = ray.angle + math.rad(1)
     if ray.angle < 0 then