Fixes to ghosts

ghost.h

@@ -6,12 +6,13 @@
 class Ghost {
     public:
         Ghost(float xmin, float xmax, float zmin, float zmax);
-        void apply_movement();
+        void apply_movement(float curr_time, float timed);
         glm::mat4 get_model(glm::vec3 &camera_pos);
 
     private:
         int ghost_id;
         bool first_frame;
+        glm::vec3 moved;
         glm::vec3 pos;
         float yawr;
         float xmin;
@@ -20,6 +21,7 @@ class Ghost {
         float zmax;
         float y_offset;
         float prev_move_time;
+        float direction_persist;
 };
 
 float rand_float(float rmin, float rmax);