diff --git a/assets/base/door/model/door.mtl b/assets/base/door/model/door.mtl
new file mode 100644
index 0000000..7889ae7
--- /dev/null
+++ b/assets/base/door/model/door.mtl
@@ -0,0 +1,13 @@
+# Blender MTL File: 'door.blend'
+# Material Count: 1
+
+newmtl Material
+Ns 323.999994
+Ka 1.000000 1.000000 1.000000
+Kd 0.800000 0.800000 0.800000
+Ks 0.500000 0.500000 0.500000
+Ke 0.0 0.0 0.0
+Ni 1.450000
+d 1.000000
+illum 2
+map_Kd /home/cyberarm/Code/i-mic-fps/assets/base/door/textures/door.png
diff --git a/assets/base/door/model/door.obj b/assets/base/door/model/door.obj
new file mode 100644
index 0000000..d354565
--- /dev/null
+++ b/assets/base/door/model/door.obj
@@ -0,0 +1,55 @@
+# Blender v2.80 (sub 75) OBJ File: 'door.blend'
+# www.blender.org
+mtllib door.mtl
+o Cube
+v 1.250000 2.400000 -0.125000
+v 1.250000 0.000000 -0.125000
+v 1.250000 2.400000 0.125000
+v 1.250000 0.000000 0.125000
+v 0.000000 0.000000 -0.125000
+v 0.000000 2.400000 0.125000
+v 0.000000 0.000000 0.125000
+v 0.000000 2.400000 -0.125000
+vt 0.923077 0.000000
+vt 1.000000 0.500000
+vt 0.923077 0.500000
+vt 0.923077 0.960000
+vt 0.846154 0.000000
+vt 0.000000 0.959961
+vt 0.384766 -0.000000
+vt 0.000000 0.000000
+vt 0.384615 0.960000
+vt 0.000000 0.000000
+vt 0.384615 0.000000
+vt 1.000000 1.000000
+vt 0.923077 0.500000
+vt 1.000000 0.500000
+vt 0.769231 0.960000
+vt 0.846154 0.000000
+vt 0.846154 0.960000
+vt 1.000000 0.000000
+vt 0.846154 0.960000
+vt 0.384766 0.959961
+vt 0.000000 0.960000
+vt 0.923077 1.000000
+vt 0.769231 0.000000
+vn 0.0000 -1.0000 0.0000
+vn 1.0000 0.0000 0.0000
+vn 0.0000 0.0000 -1.0000
+vn 0.0000 0.0000 1.0000
+vn 0.0000 1.0000 0.0000
+vn -1.0000 0.0000 0.0000
+usemtl Material
+s off
+f 2/1/1 7/2/1 5/3/1
+f 1/4/2 4/5/2 2/1/2
+f 8/6/3 2/7/3 5/8/3
+f 3/9/4 7/10/4 4/11/4
+f 8/12/5 3/13/5 1/14/5
+f 7/15/6 8/16/6 5/17/6
+f 2/1/1 4/18/1 7/2/1
+f 1/4/2 3/19/2 4/5/2
+f 8/6/3 1/20/3 2/7/3
+f 3/9/4 6/21/4 7/10/4
+f 8/12/5 6/22/5 3/13/5
+f 7/15/6 6/23/6 8/16/6
diff --git a/blends/door.blend b/blends/door.blend
index d5a9b1d..74ea628 100644
Binary files a/blends/door.blend and b/blends/door.blend differ
diff --git a/blends/door.blend1 b/blends/door.blend1
index d239a1d..d5a9b1d 100644
Binary files a/blends/door.blend1 and b/blends/door.blend1 differ
diff --git a/lib/game_objects/camera.rb b/lib/game_objects/camera.rb
index 71e2348..3bd607f 100644
--- a/lib/game_objects/camera.rb
+++ b/lib/game_objects/camera.rb
@@ -91,7 +91,6 @@ class IMICFPS
 
         if @entity
           @entity.orientation.y += delta
-          @entity.orientation.y %= 360
           position_camera
         else
           free_move
diff --git a/lib/game_objects/entities/player.rb b/lib/game_objects/entities/player.rb
index acd338f..b46e11a 100644
--- a/lib/game_objects/entities/player.rb
+++ b/lib/game_objects/entities/player.rb
@@ -9,6 +9,7 @@ class IMICFPS
     def setup
       bind_model("base", "biped")
       @collision = :dynamic
+      @physics = true
 
       @speed = 2.5 # meter's per second
       @running_speed = 5.0 # meter's per second
@@ -93,11 +94,6 @@ class IMICFPS
       # Do not handle movement if mouse is not captured
       return if @camera && !@camera.mouse_captured
 
-      if @_time_in_air
-        air_time = (Gosu.milliseconds - @_time_in_air) / 1000.0
-        @velocity.y -= IMICFPS::GRAVITY * air_time * delta_time
-      end
-
       super
     end
 
@@ -138,25 +134,8 @@ class IMICFPS
     end
 
     def jump
-      if InputMapper.down?(:jump) && !@jumping
-        @jumping = true
-        @_time_in_air = Gosu.milliseconds
-
-      elsif !@jumping
-        @falling = true
-        @_time_in_air ||= Gosu.milliseconds # FIXME
-      else
-        if @jumping && @velocity.y <= 0
-          @falling = false
-          @jumping = false
-        end
-      end
-
-      if @jumping && !@falling
-        if InputMapper.down?(:jump)
-          @velocity.y = 1.5
-          @falling = true
-        end
+      if InputMapper.down?(:jump) && window.current_state.collision_manager.on_ground?(self)
+        @velocity.y = 1.5
       end
     end
 
diff --git a/lib/game_objects/entity.rb b/lib/game_objects/entity.rb
index a82f195..7ce3b17 100644
--- a/lib/game_objects/entity.rb
+++ b/lib/game_objects/entity.rb
@@ -9,13 +9,14 @@ class IMICFPS
     attr_accessor :position, :orientation, :velocity
     attr_reader :name, :debug_color, :bounding_box, :collision, :physics, :mass, :drag, :camera
 
-    def initialize(manifest:, map_entity: nil, spawnpoint: nil, backface_culling: true, auto_manage: true)
+    def initialize(manifest:, map_entity: nil, spawnpoint: nil, backface_culling: false, auto_manage: true)
       @manifest = manifest
-      @position = map_entity ? map_entity.position : spawnpoint.position
-      @orientation = map_entity ? map_entity.orientation : spawnpoint.orientation
+      @position = map_entity ? map_entity.position.clone : spawnpoint.position.clone
+      @orientation = map_entity ? map_entity.orientation.clone : spawnpoint.orientation.clone
       @scale = map_entity ? map_entity.scale : 1.0
 
       @backface_culling = backface_culling
+      @name = @manifest.name
       @bound_model = map_entity ? bind_model(map_entity.package, map_entity.model) : nil
 
       @visible = true
@@ -41,7 +42,6 @@ class IMICFPS
 
       if @bound_model
         @bound_model.model.entity = self
-        @bound_model.model.objects.each { |o| o.scale = self.scale }
         @normalized_bounding_box = normalize_bounding_box_with_offset
 
         normalize_bounding_box
@@ -62,7 +62,6 @@ class IMICFPS
       raise "model isn't a model!" unless model.is_a?(ModelLoader)
       @bound_model = model
       @bound_model.model.entity = self
-      @bound_model.model.objects.each { |o| o.scale = self.scale }
       @bounding_box = normalize_bounding_box_with_offset
 
       return model
diff --git a/lib/managers/collision_manager.rb b/lib/managers/collision_manager.rb
index 645d8cb..f0662f6 100644
--- a/lib/managers/collision_manager.rb
+++ b/lib/managers/collision_manager.rb
@@ -82,5 +82,29 @@ class IMICFPS
 
       return box
     end
+
+    def on_ground?(entity) # TODO: Use some form of caching to speed this up
+      on_ground = false
+      @collisions.detect do |a, b|
+        next unless entity == a || entity == b
+
+        vs = a
+        vs = b if a == entity
+
+        broadphase = search(Ray.new(entity.position, Vector.new(0, -1, 0), entity.velocity.y.abs))
+
+        broadphase.detect do |ent|
+          ray = Ray.new(entity.position - ent.position, Vector.new(0, -1, 0))
+          if ent.model.aabb_tree.search(ray).size > 0
+            on_ground = true
+            return true
+          end
+        end
+
+        break if on_ground
+      end
+
+      return on_ground
+    end
   end
 end
diff --git a/lib/managers/physics_manager.rb b/lib/managers/physics_manager.rb
index 69d1061..367f583 100644
--- a/lib/managers/physics_manager.rb
+++ b/lib/managers/physics_manager.rb
@@ -15,21 +15,24 @@ class IMICFPS
     end
 
     def resolve(entity, other)
-      if other.is_a?(Terrain)
-        entity.velocity.y = 0 if entity.velocity.y < 0
-      else
-        entity.velocity.y = other.velocity.y if other.velocity.y < entity.velocity.y && entity.velocity.y < 0
-      end
+      entity.velocity.y = other.velocity.y if other.velocity.y < entity.velocity.y && entity.velocity.y < 0
     end
 
     def simulate
       @collision_manager.game_state.entities.each do |entity|
-        entity.velocity.x *= entity.drag
-        entity.velocity.z *= entity.drag
-
         entity.position.x += entity.velocity.x * entity.delta_time
         entity.position.y += entity.velocity.y * entity.delta_time
         entity.position.z += entity.velocity.z * entity.delta_time
+
+        on_ground = @collision_manager.on_ground?(entity)
+        entity.velocity.x *= entity.drag
+        entity.velocity.z *= entity.drag
+
+        if on_ground
+          entity.velocity.y = 0
+        else
+          entity.velocity.y -= IMICFPS::GRAVITY * entity.delta_time if entity.physics
+        end
       end
     end
   end
diff --git a/maps/test_map.json b/maps/test_map.json
index b45785b..19f5a92 100644
--- a/maps/test_map.json
+++ b/maps/test_map.json
@@ -26,7 +26,7 @@
       "model":"tree",
       "position": {
         "x":0,
-        "y":1,
+        "y":0.6,
         "z":0
       },
       "orientation": {
@@ -36,6 +36,134 @@
       },
       "scale": 1.0,
       "scripts": []
+    },
+    {
+      "package":"base",
+      "model":"tree",
+      "position": {
+        "x":16.7,
+        "y":1.1,
+        "z":-7.27
+      },
+      "orientation": {
+        "x": 0,
+        "y": 37.0,
+        "z": 0
+      },
+      "scale": 0.9,
+      "scripts": []
+    },
+    {
+      "package":"base",
+      "model":"tree",
+      "position": {
+        "x":-21.2121,
+        "y":0.06,
+        "z":6.06061
+      },
+      "orientation": {
+        "x": 0,
+        "y": 64.0,
+        "z": 0
+      },
+      "scale": 0.25,
+      "scripts": []
+    },
+    {
+      "package":"base",
+      "model":"power_plant",
+      "position": {
+        "x":37.8788,
+        "y":0.343869,
+        "z":-6.06061
+      },
+      "orientation": {
+        "x": 0,
+        "y": 0,
+        "z": 0
+      },
+      "scale": 1,
+      "scripts": []
+    },
+    {
+      "package":"base",
+      "model":"purchase_terminal",
+      "position": {
+        "x":37.8788,
+        "y":1.843869,
+        "z":-6.06061
+      },
+      "orientation": {
+        "x": 0,
+        "y": 0,
+        "z": 0
+      },
+      "scale": 1,
+      "scripts": []
+    },
+    {
+      "package":"base",
+      "model":"information_panel",
+      "position": {
+        "x":37.8788,
+        "y":0.343869,
+        "z":-6.06061
+      },
+      "orientation": {
+        "x": 0,
+        "y": 0,
+        "z": 0
+      },
+      "scale": 1,
+      "scripts": []
+    },
+    {
+      "package":"base",
+      "model":"door",
+      "position": {
+        "x":37.8788,
+        "y":0.343869,
+        "z":-12.06061
+      },
+      "orientation": {
+        "x": 0,
+        "y": 0,
+        "z": 0
+      },
+      "scale": 1,
+      "scripts": []
+    },
+    {
+      "package":"base",
+      "model":"door",
+      "position": {
+        "x":37.8788,
+        "y":0.343869,
+        "z":-12.06061
+      },
+      "orientation": {
+        "x": 0,
+        "y": 180,
+        "z": 0
+      },
+      "scale": 1,
+      "scripts": []
+    },
+    {
+      "package":"base",
+      "model":"war_factory",
+      "position": {
+        "x":39.3939,
+        "y":0.499657,
+        "z":9.69697
+      },
+      "orientation": {
+        "x": 0,
+        "y": 0,
+        "z": 0
+      },
+      "scale": 1,
+      "scripts": []
     }
   ],
 
@@ -43,26 +171,26 @@
     {
       "team":0,
       "position": {
-        "x": 0,
-        "y": 1,
-        "z": 0
+        "x": 37.8788,
+        "y": 0.343869,
+        "z": -2.06061
       },
       "orientation": {
         "x": 0,
-        "y": 0,
+        "y": 180,
         "z": 0
       }
     },
     {
       "team":1,
       "position": {
-        "x": 0,
-        "y": 1,
-        "z": 0
+        "x": 37.8788,
+        "y": 0.343869,
+        "z": -4.06061
       },
       "orientation": {
         "x": 0,
-        "y": 0,
+        "y": 180,
         "z": 0
       }
     }