diff --git a/source/actor.cpp b/source/actor.cpp
index bb058f1..2fa78f0 100644
--- a/source/actor.cpp
+++ b/source/actor.cpp
@@ -40,6 +40,7 @@ namespace actor
         act->prev = act->next = nullptr;
         act->anim_wait = act->anim_wait_count = 0;
         act->anim_frame=0;
+        act->react_mask = act->react_push = 0;
         return act;
     }
 
@@ -299,7 +300,7 @@ namespace actor
                 act->mov_push = act->mov_push==PUSH_YP ? PUSH_YN : PUSH_YP;
                 break;
             case MOV_Z:
-                act->mov_push = act->mov_push==PUSH_ZP ? PUSH_ZN : PUSH_ZP;
+                act->mov_push = act->mov_push==PUSH_ZN ? PUSH_ZP : PUSH_ZN;
                 break;
             case MOV_CW:
                 switch (act->mov_push)
@@ -335,8 +336,28 @@ namespace actor
         act->orient = act->mov_push;
     }
 
+    void updateReactive(actor_t *act)
+    {
+        if (act->push & act->react_mask)
+        {
+            actor_t *other = nullptr;
+
+            if (act->push == PUSH_XP) { act->pos.x-=2; other = get_collision(act); act->pos.x+=2; }
+            else if (act->push == PUSH_XN) { act->pos.x++; other = get_collision(act); act->pos.x--; }
+            else if (act->push == PUSH_YP) { act->pos.y--; other = get_collision(act); act->pos.y++; }
+            else if (act->push == PUSH_YN) { act->pos.y++; other = get_collision(act); act->pos.y--; }
+            else if (act->push == PUSH_ZN) { act->pos.z++; other = get_collision(act); act->pos.z--; }
+
+            if (other) {
+                other->push |= act->react_push;
+            }
+        }
+    }
+
     void updatePushable(actor_t *act)
     {
+        if (act->flags & FLAG_REACTIVE) { updateReactive(act); return; }
+
         vec3_t min = room::getMin();
         vec3_t max = room::getMax();
 
@@ -353,9 +374,12 @@ namespace actor
                 actor_t *now = act;
                 do {
                     actor::actor_t *other = actor::any_above_me(now);
-                    now->pos.z++;
-                    //if (other) other->pos.z++;
+                    if (!other || (other->flags & FLAG_PUSHABLE)) now->pos.z++;
                     now = other;
+                    if (now && !(now->flags & FLAG_PUSHABLE)) {
+                        if (act->flags & FLAG_MOVING) changeMoving(act);
+                        now = nullptr;
+                    }
                 } while (now);
                 
                 actor::setDirty(act);
@@ -367,7 +391,7 @@ namespace actor
             actor::actor_t *other = actor::get_collision(act);
             if (other || ( act->pos.x<min.x && ( !(room::getDoors()&DOOR_XN) || (act->pos.y!=28) || (act->pos.z!=room::getDoor(XN)*4) || !(act->flags&FLAG_HERO) ) ))
             {
-                if (other && other->flags & FLAG_PUSHABLE) other->push |= PUSH_XN;
+                if (other && other->flags & FLAG_SENSIBLE) other->push |= PUSH_XN;
                 act->pos.x++;
                 if (act->flags & FLAG_MOVING) changeMoving(act);
             }
@@ -397,7 +421,7 @@ namespace actor
             actor::actor_t *other = actor::get_collision(act);
             if (other || (act->pos.x>max.x && ( !(room::getDoors()&DOOR_XP) || (act->pos.y!=28) || !(act->flags&FLAG_HERO) ) ))
             {
-                if (other && other->flags & FLAG_PUSHABLE) other->push |= PUSH_XP;
+                if (other && other->flags & FLAG_SENSIBLE) other->push |= PUSH_XP;
                 act->pos.x--;
                 if (act->flags & FLAG_MOVING) changeMoving(act);
             }
@@ -427,7 +451,7 @@ namespace actor
             actor::actor_t *other = actor::get_collision(act);
             if (other || ( act->pos.y<min.y && ( !(room::getDoors()&DOOR_YN) || (act->pos.x!=28) || (act->pos.z!=room::getDoor(XN)*4) || !(act->flags&FLAG_HERO) ) ))
             {
-                if (other && other->flags & FLAG_PUSHABLE) other->push |= PUSH_YN;
+                if (other && other->flags & FLAG_SENSIBLE) other->push |= PUSH_YN;
                 act->pos.y++;
                 if (act->flags & FLAG_MOVING) changeMoving(act);
             }
@@ -457,7 +481,7 @@ namespace actor
             actor::actor_t *other = actor::get_collision(act);
             if (other || ( act->pos.y>max.y && ( !(room::getDoors()&DOOR_YP) || (act->pos.x!=28) || !(act->flags&FLAG_HERO) ) ))
             {
-                if (other && other->flags & FLAG_PUSHABLE) other->push |= PUSH_YP;
+                if (other && other->flags & FLAG_SENSIBLE) other->push |= PUSH_YP;
                 act->pos.y--;
                 if (act->flags & FLAG_MOVING) changeMoving(act);
             }
@@ -487,7 +511,7 @@ namespace actor
             actor::actor_t *other = actor::get_collision(act);
             if (other || act->pos.z<0 || act->pos.x>max.x || act->pos.x<min.x || act->pos.y>max.y || act->pos.y<min.y)
             {
-                //if (other && other->flags & FLAG_PUSHABLE) other->push |= PUSH_ZN;
+                if (other && other->flags & FLAG_REACTIVE) other->push |= PUSH_ZN;
                 act->pos.z++;
                 if (act->flags & FLAG_MOVING) changeMoving(act);
             }
@@ -499,21 +523,6 @@ namespace actor
 
     }
 
-    void updateReactive(actor_t *act)
-    {
-        if (act->push & act->react_mask)
-        {
-            actor_t *other = nullptr;
-
-            if (act->push == PUSH_XP) { act->pos.x--; other = get_collision(act); act->pos.x++; }
-            else if (act->push == PUSH_XN) { act->pos.x++; other = get_collision(act); act->pos.x--; }
-            else if (act->push == PUSH_YP) { act->pos.y--; other = get_collision(act); act->pos.y++; }
-            else if (act->push == PUSH_YN) { act->pos.y++; other = get_collision(act); act->pos.y--; }
-
-            if (other) other->push |= act->react_push;
-        }
-    }
-
     void updateGravity(actor_t *act)
     {
         if (act->pos.z == 0) return;
@@ -526,6 +535,11 @@ namespace actor
         actor_t *below = any_below_me(act);
         if (below)
         {
+            if (below->flags & FLAG_REACTIVE) {
+                below->push |= PUSH_ZN;
+                updateReactive(below);
+                if (act->push) updatePushable(act);
+            }
             act->below = below;
             below->above = act;
             return;
@@ -553,7 +567,7 @@ namespace actor
         //if (act->flags & FLAG_PUSHABLE) 
         updatePushable(act);
         if (act->flags & FLAG_GRAVITY) updateGravity(act);
-        if (act->flags & FLAG_REACTIVE) updateReactive(act);
+        //if (act->flags & FLAG_REACTIVE) updateReactive(act);
 
         act->push = PUSH_NONE;
 
diff --git a/source/actor.h b/source/actor.h
index 9747124..a993da1 100644
--- a/source/actor.h
+++ b/source/actor.h
@@ -17,6 +17,8 @@
 #define FLAG_GRAVITY    128     // Li afecta la gravetat
 #define FLAG_NOEDITOR   256     // No es seleccionable a l'editor (son les portes)
 
+#define FLAG_SENSIBLE 6         // PUSHABLE or REACTIVE
+
 // Direcció de espenta
 #define PUSH_NONE 0
 #define PUSH_XP 1
diff --git a/source/main.cpp b/source/main.cpp
index ed396d1..45b9666 100644
--- a/source/main.cpp
+++ b/source/main.cpp
@@ -68,11 +68,11 @@ void game::init()
         buffer[len-1]=0;
         gifs.push_back(std::string(buffer));
     }
-    //actor::actor_t *hero = actor::create("HERO", {16,32,8}, {8,8,12}, "test.gif", {0,32,20,32}, {-6,38});
+    actor::actor_t *hero = actor::create("HERO", {16,32,8}, {8,8,12}, "test.gif", {0,32,20,32}, {-6,38});
     
     //actor::actor_t *hero = actor::create("HEROHEROHEROHER", {16,32,8}, {8,8,12}, "abad.gif", {0,0,20,35}, {-6,32});
-    //hero->flags = FLAG_HERO | FLAG_PUSHABLE | FLAG_GRAVITY | FLAG_ORIENTABLE | FLAG_ANIMATED;
-    //actor::setDirty(hero, true);
+    hero->flags = FLAG_HERO | FLAG_PUSHABLE | FLAG_GRAVITY | FLAG_ORIENTABLE | FLAG_ANIMATED;
+    actor::setDirty(hero, true);
     
     actor::clear();
 
@@ -139,6 +139,24 @@ void btn_small(const int x, const int y, int &var, int min, int max, bool restrt
     }
 }
 
+void btn_check(const int x, const int y, const char* label, uint8_t &flags, const uint8_t value)
+{
+    int result=0;
+    if (flags & value) {
+        result=ui::check(label, x, y, 12, 11, true);
+    } else {
+        result=ui::check(label, x, y, 12, 11, false);
+    }
+    if (result)
+    {
+        if (flags & value) {
+            flags = flags & ~value;
+        } else {
+            flags = flags | value;
+        }
+    }
+}
+
 void btn_check(const int x, const int y, const char* label, uint16_t &flags, const uint16_t value)
 {
     int result=0;
@@ -251,10 +269,10 @@ bool game::loop()
     if (input::keyDown(SDL_SCANCODE_ESCAPE)) return false;
 
     // WHILE EDITING...
-    editor_move_selected();
-    actor::updateEditor(actor::getFirst());
+    //editor_move_selected();
+    //actor::updateEditor(actor::getFirst());
     
-    //actor::update(actor::getFirst());
+    actor::update(actor::getFirst());
 
     actor::reorder();
 
@@ -351,7 +369,7 @@ bool game::loop()
             act = actor::getSelected();
             if (act)
             {
-                draw::setViewport(420, 110, 100, 240);
+                draw::setViewport(420, 90, 100, 240);
 
                 btn_txt("NAME:", 2, 0, act->name);
                 if (btn_opt2("BMP:", 2, 10, act->bmp, gifs)) {
@@ -388,7 +406,7 @@ bool game::loop()
                 btn_check(50, 74, "DEAD", act->flags, FLAG_DEADLY);
                 btn_check(74, 74, "GRAV", act->flags, FLAG_GRAVITY);
 
-                btn_opt("ORIENT", 2, 86, act->orient, {PUSH_NONE, PUSH_XP, PUSH_XN, PUSH_YP, PUSH_YN}, {"NONE", "XP", "XN", "YP", "YN"});
+                btn_opt("ORIENT", 2, 86, act->orient, {PUSH_NONE, PUSH_XP, PUSH_XN, PUSH_YP, PUSH_YN, PUSH_ZP, PUSH_ZN}, {"NONE", "XP", "XN", "YP", "YN", "ZP", "ZN"});
                 btn_opt("MOVEMNT", 2, 96, act->movement, {MOV_NONE, MOV_X, MOV_Y, MOV_Z, MOV_CW, MOV_CCW, MOV_RAND, MOV_HUNT}, {"NONE", "X", "Y", "Z", "CW", "CCW", "RAND", "HUNT"});
                 btn_opt("ANIMCYC", 2, 106, act->anim_cycle, {0, 1}, {"0 1 0 2", "0 1 2 3"});
 
@@ -396,6 +414,22 @@ bool game::loop()
                 ui::label("ANMSPED", 2, 116, 32, 11);
                 btn_small(81, 116, act->anim_wait, 0, 10);
 
+                ui::label("RMASK", 2, 128, 24, 11);
+                btn_check(24+2, 128, "XP", act->react_mask, PUSH_XP);
+                btn_check(24+14, 128, "XN", act->react_mask, PUSH_XN);
+                btn_check(24+26, 128, "YP", act->react_mask, PUSH_YP);
+                btn_check(24+38, 128, "YN", act->react_mask, PUSH_YN);
+                btn_check(24+50, 128, "ZP", act->react_mask, PUSH_ZP);
+                btn_check(24+62, 128, "ZN", act->react_mask, PUSH_ZN);
+
+                ui::label("RPUSH", 2, 140, 24, 11);
+                btn_check(24+2, 140, "XP", act->react_push, PUSH_XP);
+                btn_check(24+14, 140, "XN", act->react_push, PUSH_XN);
+                btn_check(24+26, 140, "YP", act->react_push, PUSH_YP);
+                btn_check(24+38, 140, "YN", act->react_push, PUSH_YN);
+                btn_check(24+50, 140, "ZP", act->react_push, PUSH_ZP);
+                btn_check(24+62, 140, "ZN", act->react_push, PUSH_ZN);
+
 /*
                 break;
             }