diff --git a/data/scripts/player_fps.lua b/data/scripts/player_fps.lua
index 865a74b2a..54d4db058 100644
--- a/data/scripts/player_fps.lua
+++ b/data/scripts/player_fps.lua
@@ -1,8 +1,10 @@
 local forward = 0
+local backward = 0
 local left = 0
 local right = 0
 local yaw = 0
 local sprint = 0
+local jump = 0
 
 function onInputEvent(event : InputEvent)
     if event.type == "axis" and event.device.type == "mouse" then
@@ -17,29 +19,43 @@ function onInputEvent(event : InputEvent)
                     forward = 0
                 end
 			end
-			if event.key_id == LumixAPI.INPUT_KEYCODE_LEFT then
+			if event.key_id == string.byte("S") then 
+                if event.down then
+                    backward = 1
+                else
+                    backward = 0
+                end
+			end
+			if event.key_id == string.byte("A") then 
                 if event.down then
                     left = 1
                 else
                     left = 0
                 end
 			end
-			if event.key_id == LumixAPI.INPUT_KEYCODE_RIGHT then
+			if event.key_id == string.byte("D") then 
                 if event.down then
                     right = 1
                 else
                     right = 0
                 end
 			end
-			if event.key_id == LumixAPI.INPUT_KEYCODE_SHIFT then
+			if event.key_id == LumixAPI.INPUT_KEYCODE_SHIFT then 
                 if event.down then
                     sprint = 1
                 else
                     sprint = 0
                 end
-			end
+			end	
+            if event.key_id == LumixAPI.INPUT_KEYCODE_SPACE then 
+                if event.down then
+                    jump = 1
+                else
+                    jump = 0
+                end
+            end			
         end		
-    end
+    end	
 end
 
 function onControllerHit(obj)
@@ -48,21 +64,41 @@ function onControllerHit(obj)
     a:applyForce(dir)
 end
 
-
 function update(td)
 
-    local speed = 0
-    if forward == 1 then
-        if sprint == 1 then
-            speed = 6
-        else
-            speed = 3
-        end
+    local speed = 3 
+    local disp_x = 0 
+    local disp_z = 0 
+    local disp_y = 0 
+
+    if forward == 1 then 
+        if sprint == 1 then 
+            speed = 6 
+        else 
+            speed = 3 
+        end		
+        disp_z = td * -speed 
+    end
+
+    if backward == 1 then 
+        disp_z = td * speed 
+    end
+
+    if left == 1 then  
+        disp_x = td * -speed 
+    end
+
+    if right == 1 then  
+        disp_x = td * speed 
+    end
+
+    if jump == 1 then 
+        disp_y = td * speed 
     end
 
     local a2 = yaw * 0.5
     this.rotation = {0, math.sin(a2), 0, math.cos(a2) }
-    local disp = td * -speed
-    local dir = {math.sin(yaw) * disp, 0, math.cos(yaw) * disp}
-    this.physical_controller:move(dir)
-end
\ No newline at end of file
+    local dir_x = math.sin(yaw) * disp_z + math.cos(yaw) * disp_x  
+    local dir_z = math.cos(yaw) * disp_z - math.sin(yaw) * disp_x  
+    this.physical_controller:move({dir_x, disp_y, dir_z})  
+end