diff --git a/source/engine/ffi.c b/source/engine/ffi.c
index cdc8c638..e9128db8 100644
--- a/source/engine/ffi.c
+++ b/source/engine/ffi.c
@@ -460,6 +460,10 @@ duk_ret_t duk_cmd(duk_context *duk) {
        case 45:
          vect2duk(mouse_pos);
 	 return 1;
+	 
+       case 46:
+         set_mouse_mode(duk_to_int(duk, 1));
+	 return 0;
     }
 
     return 0;
diff --git a/source/engine/input.c b/source/engine/input.c
index 50562e06..6aaeed69 100644
--- a/source/engine/input.c
+++ b/source/engine/input.c
@@ -100,6 +100,11 @@ static void mb_cb(GLFWwindow *w, int button, int action, int mods)
   call_input_signal(keystr);
 }
 
+void set_mouse_mode(int mousemode)
+{
+  glfwSetInputMode(mainwin->window, GLFW_CURSOR, mousemode);
+}
+
 void input_init()
 {
     glfwSetCursorPosCallback(mainwin->window, cursor_pos_cb);
diff --git a/source/engine/yugine.c b/source/engine/yugine.c
index 232ac7f5..f3b55a4f 100644
--- a/source/engine/yugine.c
+++ b/source/engine/yugine.c
@@ -203,29 +203,6 @@ int main(int argc, char **args) {
              }
        }
 
-
-        renderlag += elapsed;
-
-        if (renderlag >= renderMS) {
-            renderlag -= renderMS;
-            window_renderall();
-        }
-
-        gameobjects_cleanup();
-
-    }
-
-        renderlag += elapsed;
-
-        if (renderlag >= renderMS) {
-            renderlag -= renderMS;
-            window_renderall();
-        }
-
-        gameobjects_cleanup();
-
-    }
-
         renderlag += elapsed;
 
         if (renderlag >= renderMS) {