diff --git a/__main__.py b/__main__.py
index 5b11138..9101599 100644
--- a/__main__.py
+++ b/__main__.py
@@ -55,7 +55,7 @@
         glHint(GL_FOG_HINT, GL_DONT_CARE)
         glFogi(GL_FOG_MODE, GL_LINEAR)
         glFogf(GL_FOG_START, CHUNK_SIZE*2)
-        glFogf(GL_FOG_END, (world.render_distance+2) * CHUNK_SIZE)
+        glFogf(GL_FOG_END, (world.render_distance - 1) * CHUNK_SIZE)
 
     # get window size
     def get_window_size():
diff --git a/core/fileutils.py b/core/fileutils.py
index a06e8fc..52d4659 100644
--- a/core/fileutils.py
+++ b/core/fileutils.py
@@ -1,7 +1,6 @@
 import os
 import json
 import threading
-import sys
 
 class ListenerBase:
     def __init__(self, directory):
diff --git a/core/renderer.py b/core/renderer.py
index 2c6a0ba..c6c0fb6 100644
--- a/core/renderer.py
+++ b/core/renderer.py
@@ -85,8 +85,6 @@ def shared_context(self, window):
                 except Exception as e:
                     pass
                 
-            glfw.poll_events()
-            glfw.swap_buffers(window2)
         glfw.terminate()
 
     def create_vbo(self, window):
diff --git a/launch.py b/launch.py
new file mode 100644
index 0000000..b248a13
--- /dev/null
+++ b/launch.py
@@ -0,0 +1,23 @@
+import sys
+import subprocess
+import pkg_resources
+
+# make sure pip is installed
+try:
+    pkg_resources.require("pip")
+except pkg_resources.DistributionNotFound:
+    print("pip is not installed. Please install pip.")
+    sys.exit(1)
+
+required  = {'glfw', 'pygame', 'opensimplex', 'psutil', 'pyopengl', 'pyopengl-accelerate', 'numpy', 'pillow'} 
+installed = {pkg.key for pkg in pkg_resources.working_set}
+missing   = required - installed
+
+if missing:
+    subprocess.Popen([sys.executable, '-m', 'pip', 'install', *missing]).wait()
+
+# run git pull
+subprocess.Popen(['git', 'pull']).wait()
+
+# run the game
+subprocess.Popen(['python', '__main__.py']).wait()
diff --git a/terrain/chunk.py b/terrain/chunk.py
index 14592dd..1680576 100644
--- a/terrain/chunk.py
+++ b/terrain/chunk.py
@@ -1,4 +1,6 @@
 import subprocess
+import sys
+
 
 from terrain.block import *
 from core.renderer import *