diff --git a/i-mic-rts.rb b/i-mic-rts.rb
index a3e9080..ab6ff71 100644
--- a/i-mic-rts.rb
+++ b/i-mic-rts.rb
@@ -18,4 +18,4 @@ require_relative "lib/zorder"
 require_relative "lib/entity"
 # require_relative "lib/entities/"
 
-IMICRTS::Window.new(width: Gosu.screen_width, height: Gosu.screen_height, fullscreen: true).show
\ No newline at end of file
+IMICRTS::Window.new(width: Gosu.screen_width / 4 * 3, height: Gosu.screen_height / 4 * 3, fullscreen: false, resizable: true).show
\ No newline at end of file
diff --git a/lib/camera.rb b/lib/camera.rb
index 9da221a..82bdb91 100644
--- a/lib/camera.rb
+++ b/lib/camera.rb
@@ -37,25 +37,20 @@ class IMICRTS
     def mouse_pick(x, y)
       mouse = CyberarmEngine::Vector.new(x, y) / @zoom
 
-      normalized = (mouse / @zoom - @position / @zoom) * @zoom
-      normalized.x = normalized.x.floor
-      normalized.y = normalized.y.floor
+      worldspace = (mouse - @position)
+      worldspace.x = worldspace.x.floor
+      worldspace.y = worldspace.y.floor
 
-      return normalized
+      return worldspace
     end
 
     def center
-      (CyberarmEngine::Vector.new(window.width / 2, window.height / 2) / @zoom - @position / @zoom) * @zoom
+      (CyberarmEngine::Vector.new(window.width / 2, window.height / 2) - @position)
     end
 
     def center_around(vector, factor)
       @velocity *= 0
-      delta = lerp(self.center, vector, factor)
-      @position += delta * window.dt
-    end
-
-    def lerp(vec1, vec2, factor)
-      (vec1 - vec2) * factor.clamp(0.0, 1.0)
+      @position += center.lerp(vector, factor) * window.dt
     end
 
     def aspect_ratio
@@ -70,7 +65,7 @@ class IMICRTS
 
       if @drag_start
         @velocity *= 0.0
-        @position = lerp(@position, CyberarmEngine::Vector.new(window.mouse_x, window.mouse_y) - @drag_start, @grab_drag)
+        @position = @position.lerp(@drag_start - CyberarmEngine::Vector.new(window.mouse_x, window.mouse_y), @grab_drag)
       end
     end
 
@@ -84,15 +79,13 @@ class IMICRTS
       when Gosu::MS_WHEEL_DOWN
         @zoom = (@zoom - 0.25).clamp(@min_zoom, @max_zoom)
       when Gosu::MS_MIDDLE
-        @position_start = @position.clone
-        @drag_start = CyberarmEngine::Vector.new(window.mouse_x, window.mouse_y)
+        @drag_start = CyberarmEngine::Vector.new(window.mouse_x, window.mouse_y) - @position
       end
     end
 
     def button_up(id)
       case id
       when Gosu::MS_MIDDLE
-        @position_start = nil
         @drag_start = nil
       end
     end
diff --git a/lib/states/boot.rb b/lib/states/boot.rb
index 218c9bc..c6e889b 100644
--- a/lib/states/boot.rb
+++ b/lib/states/boot.rb
@@ -4,7 +4,7 @@ class IMICRTS
       @title = Gosu::Font.new(56, name: "Noto Sans Display", bold: true)
       @text  = Gosu::Font.new(18, name: "Noto Sans Thaana", bold: true)
       @name = IMICRTS::NAME
-      @logo = Gosu::Image.new("assets/logo.png")
+      @logo = Gosu::Image.new("#{ASSETS_PATH}/logo.png")
 
       @messages = ["Loading", "Compiling Protons", "Launching Warhead", "git push origin --force"]
       @messages_index = 0
@@ -30,39 +30,35 @@ class IMICRTS
 
       @background     = Gosu::Color.new(0x007a0d71)
       @background_two = Gosu::Color.new(0x007b6ead)
-
-      $window.width = Gosu.screen_width
-      $window.height = Gosu.screen_height
-      $window.fullscreen = true
     end
 
     def draw
       Gosu.draw_quad(
         0, 0, @background_two,
-        $window.width, 0, @background,
-        0, $window.height, @background,
-        $window.width, $window.height, @background_two
+        window.width, 0, @background,
+        0, window.height, @background,
+        window.width, window.height, @background_two
       )
 
       Gosu.draw_rect(
-        0, $window.height/2 - 35,
-        $window.width, 71,
+        0, window.height/2 - 35,
+        window.width, 71,
         Gosu::Color.new(0xff949dad)
       )
 
       c = Gosu::Color.new(0xff55dae1)
       c2 = Gosu::Color.new(0xff3c9ec5)
       Gosu.draw_quad(
-        0, $window.height/2 - 30, c,
-        $window.width, $window.height/2 - 30, c2,
-        0, $window.height/2 + 30, c,
-        $window.width, $window.height/2 + 30, c2
+        0, window.height/2 - 30, c,
+        window.width, window.height/2 - 30, c2,
+        0, window.height/2 + 30, c,
+        window.width, window.height/2 + 30, c2
       )
 
 
-      @logo.draw($window.width/2 - @logo.width/2, $window.height/2 - (@logo.height/3 + 14), 0)
+      @logo.draw(window.width/2 - @logo.width/2, window.height/2 - (@logo.height/3 + 14), 0)
 
-      @text.draw_text(@status, $window.width - (@text.text_width(@status.gsub(".", "")) + @text.text_width("...")), $window.height - @text.height, 0)
+      @text.draw_text(@status, window.width - (@text.text_width(@status.gsub(".", "")) + @text.text_width("...")), window.height - @text.height, 0)
     end
 
     def update
diff --git a/lib/states/closing.rb b/lib/states/closing.rb
index 768fe8c..d51a982 100644
--- a/lib/states/closing.rb
+++ b/lib/states/closing.rb
@@ -1,7 +1,7 @@
 class IMICRTS
   class Closing < CyberarmEngine::GuiState
     def setup
-      @logo = Gosu::Image.new("assets/logo.png")
+      @logo = Gosu::Image.new("#{ASSETS_PATH}/logo.png")
       @color = Gosu::Color.new(0xffffffff)
 
       @started_at = Gosu.milliseconds
diff --git a/lib/states/game.rb b/lib/states/game.rb
index 35beddc..221fea2 100644
--- a/lib/states/game.rb
+++ b/lib/states/game.rb
@@ -12,14 +12,14 @@ class IMICRTS
 
         @h = button("Harvester", width: 1.0) do
           @units << Entity.new(
-            images: Gosu::Image.new("assets/vehicles/harvester/images/harvester.png", retro: true),
+            images: Gosu::Image.new("#{ASSETS_PATH}/vehicles/harvester/images/harvester.png", retro: true),
             position: CyberarmEngine::Vector.new(rand(window.width), rand(window.height), ZOrder::GROUND_VEHICLE),
             angle: rand(360)
           )
         end
         @c = button("Construction Worker", width: 1.0) do
           @units << Entity.new(
-            images: Gosu::Image.new("assets/vehicles/construction_worker/images/construction_worker.png", retro: true),
+            images: Gosu::Image.new("#{ASSETS_PATH}/vehicles/construction_worker/images/construction_worker.png", retro: true),
             position: CyberarmEngine::Vector.new(rand(window.width), rand(window.height), ZOrder::GROUND_VEHICLE),
             angle: rand(360)
         )
diff --git a/lib/version.rb b/lib/version.rb
index a20d09d..268c7fb 100644
--- a/lib/version.rb
+++ b/lib/version.rb
@@ -2,4 +2,7 @@ class IMICRTS
   NAME = "I-MIC RTS"
   VERSION = "0.0.1"
   VERSION_NAME = "InDev"
+
+  GAME_ROOT_PATH = File.expand_path("../../", __FILE__)
+  ASSETS_PATH = "#{GAME_ROOT_PATH}/assets"
 end
\ No newline at end of file