diff --git a/apps/openmw/CMakeLists.txt b/apps/openmw/CMakeLists.txt
index 3cf43749de..c46a831837 100644
--- a/apps/openmw/CMakeLists.txt
+++ b/apps/openmw/CMakeLists.txt
@@ -23,9 +23,7 @@ add_openmw_dir (mwrender
     actors objects renderingmanager animation rotatecontroller sky npcanimation vismask
     creatureanimation effectmanager util renderinginterface pathgrid rendermode weaponanimation
     bulletdebugdraw globalmap characterpreview camera localmap
-#    occlusionquery water shadows
-#    ripplesimulation refraction
-#    terrainstorage weaponanimation
+#    occlusionquery water shadows ripplesimulation refraction terrainstorage
     )
 
 add_openmw_dir (mwinput
@@ -68,8 +66,7 @@ add_openmw_dir (mwworld
     cells localscripts customdata inventorystore ptr actionopen actionread
     actionequip timestamp actionalchemy cellstore actionapply actioneat
     esmstore store recordcmp fallback actionrepair actionsoulgem livecellref actiondoor
-    contentloader esmloader actiontrap cellreflist cellref physicssystem weather
-#  projectilemanager
+    contentloader esmloader actiontrap cellreflist cellref physicssystem weather projectilemanager
     )
 
 add_openmw_dir (mwphysics
diff --git a/apps/openmw/mwbase/mechanicsmanager.hpp b/apps/openmw/mwbase/mechanicsmanager.hpp
index f7fc515f57..1d3619d3da 100644
--- a/apps/openmw/mwbase/mechanicsmanager.hpp
+++ b/apps/openmw/mwbase/mechanicsmanager.hpp
@@ -6,9 +6,9 @@
 #include <list>
 #include <stdint.h>
 
-namespace Ogre
+namespace osg
 {
-    class Vector3;
+    class Vec3f;
 }
 
 namespace ESM
@@ -174,8 +174,8 @@ namespace MWBase
             virtual bool toggleAI() = 0;
             virtual bool isAIActive() = 0;
 
-            virtual void getObjectsInRange (const Ogre::Vector3& position, float radius, std::vector<MWWorld::Ptr>& objects) = 0;
-            virtual void getActorsInRange(const Ogre::Vector3 &position, float radius, std::vector<MWWorld::Ptr> &objects) = 0;
+            virtual void getObjectsInRange (const osg::Vec3f& position, float radius, std::vector<MWWorld::Ptr>& objects) = 0;
+            virtual void getActorsInRange(const osg::Vec3f &position, float radius, std::vector<MWWorld::Ptr> &objects) = 0;
 
             ///return the list of actors which are following the given actor
             /**ie AiFollow is active and the target is the actor**/
diff --git a/apps/openmw/mwbase/world.hpp b/apps/openmw/mwbase/world.hpp
index 4d01f95295..f258eb300a 100644
--- a/apps/openmw/mwbase/world.hpp
+++ b/apps/openmw/mwbase/world.hpp
@@ -378,7 +378,7 @@ namespace MWBase
             virtual bool isWading(const MWWorld::Ptr &object) const = 0;
             ///Is the head of the creature underwater?
             virtual bool isSubmerged(const MWWorld::Ptr &object) const = 0;
-            virtual bool isUnderwater(const MWWorld::CellStore* cell, const Ogre::Vector3 &pos) const = 0;
+            virtual bool isUnderwater(const MWWorld::CellStore* cell, const osg::Vec3f &pos) const = 0;
             virtual bool isOnGround(const MWWorld::Ptr &ptr) const = 0;
 
             virtual void togglePOV() = 0;
@@ -485,7 +485,7 @@ namespace MWBase
 
             virtual void launchMagicBolt (const std::string& model, const std::string& sound, const std::string& spellId,
                                           float speed, bool stack, const ESM::EffectList& effects,
-                                           const MWWorld::Ptr& caster, const std::string& sourceName, const Ogre::Vector3& fallbackDirection) = 0;
+                                           const MWWorld::Ptr& caster, const std::string& sourceName, const osg::Vec3f& fallbackDirection) = 0;
             virtual void launchProjectile (MWWorld::Ptr actor, MWWorld::Ptr projectile,
                                            const osg::Vec3f& worldPos, const osg::Quat& orient, MWWorld::Ptr bow, float speed) = 0;
 
@@ -532,7 +532,7 @@ namespace MWBase
 
             virtual void spawnEffect (const std::string& model, const std::string& textureOverride, const osg::Vec3f& worldPos) = 0;
 
-            virtual void explodeSpell (const Ogre::Vector3& origin, const ESM::EffectList& effects,
+            virtual void explodeSpell (const osg::Vec3f& origin, const ESM::EffectList& effects,
                                        const MWWorld::Ptr& caster, ESM::RangeType rangeType, const std::string& id, const std::string& sourceName) = 0;
 
             virtual void activate (const MWWorld::Ptr& object, const MWWorld::Ptr& actor) = 0;
diff --git a/apps/openmw/mwclass/creature.cpp b/apps/openmw/mwclass/creature.cpp
index 64850d1279..ea67884d35 100644
--- a/apps/openmw/mwclass/creature.cpp
+++ b/apps/openmw/mwclass/creature.cpp
@@ -247,7 +247,7 @@ namespace MWClass
         if (!victim.getClass().isActor())
             return; // Can't hit non-actors
 
-        Ogre::Vector3 hitPosition (result.second.x(), result.second.y(), result.second.z());
+        osg::Vec3f hitPosition (result.second);
 
         float hitchance = MWMechanics::getHitChance(ptr, victim, ref->mBase->mData.mCombat);
 
@@ -319,7 +319,7 @@ namespace MWClass
             damage = 0;
 
         if (damage > 0)
-            MWBase::Environment::get().getWorld()->spawnBloodEffect(victim, osg::Vec3f(hitPosition.x, hitPosition.y, hitPosition.z));
+            MWBase::Environment::get().getWorld()->spawnBloodEffect(victim, hitPosition);
 
         MWMechanics::diseaseContact(victim, ptr);
 
@@ -726,7 +726,7 @@ namespace MWClass
         if(name == "left")
         {
             MWBase::World *world = MWBase::Environment::get().getWorld();
-            Ogre::Vector3 pos(ptr.getRefData().getPosition().pos);
+            osg::Vec3f pos(ptr.getRefData().getPosition().asVec3());
             if(world->isUnderwater(ptr.getCell(), pos) || world->isWalkingOnWater(ptr))
                 return 2;
             if(world->isOnGround(ptr))
@@ -736,7 +736,7 @@ namespace MWClass
         if(name == "right")
         {
             MWBase::World *world = MWBase::Environment::get().getWorld();
-            Ogre::Vector3 pos(ptr.getRefData().getPosition().pos);
+            osg::Vec3f pos(ptr.getRefData().getPosition().asVec3());
             if(world->isUnderwater(ptr.getCell(), pos) || world->isWalkingOnWater(ptr))
                 return 3;
             if(world->isOnGround(ptr))
diff --git a/apps/openmw/mwclass/npc.cpp b/apps/openmw/mwclass/npc.cpp
index 791c2f57e2..4307fe9be0 100644
--- a/apps/openmw/mwclass/npc.cpp
+++ b/apps/openmw/mwclass/npc.cpp
@@ -493,7 +493,7 @@ namespace MWClass
         // TODO: Use second to work out the hit angle
         std::pair<MWWorld::Ptr, osg::Vec3f> result = world->getHitContact(ptr, dist);
         MWWorld::Ptr victim = result.first;
-        Ogre::Vector3 hitPosition (result.second.x(), result.second.y(), result.second.z());
+        osg::Vec3f hitPosition (result.second);
         if(victim.isEmpty()) // Didn't hit anything
             return;
 
@@ -583,7 +583,7 @@ namespace MWClass
             damage = 0;
 
         if (healthdmg && damage > 0)
-            MWBase::Environment::get().getWorld()->spawnBloodEffect(victim, osg::Vec3f(hitPosition.x, hitPosition.y, hitPosition.z));
+            MWBase::Environment::get().getWorld()->spawnBloodEffect(victim, hitPosition);
 
         MWMechanics::diseaseContact(victim, ptr);
 
@@ -1138,7 +1138,7 @@ namespace MWClass
         if(name == "left" || name == "right")
         {
             MWBase::World *world = MWBase::Environment::get().getWorld();
-            Ogre::Vector3 pos(ptr.getRefData().getPosition().pos);
+            osg::Vec3f pos(ptr.getRefData().getPosition().asVec3());
             if(world->isSwimming(ptr))
                 return (name == "left") ? "Swim Left" : "Swim Right";
             if(world->isUnderwater(ptr.getCell(), pos) || world->isWalkingOnWater(ptr))
@@ -1175,7 +1175,7 @@ namespace MWClass
         if(name == "land")
         {
             MWBase::World *world = MWBase::Environment::get().getWorld();
-            Ogre::Vector3 pos(ptr.getRefData().getPosition().pos);
+            osg::Vec3f pos(ptr.getRefData().getPosition().asVec3());
             if(world->isUnderwater(ptr.getCell(), pos) || world->isWalkingOnWater(ptr))
                 return "DefaultLandWater";
             if(world->isOnGround(ptr))
diff --git a/apps/openmw/mwgui/windowmanagerimp.cpp b/apps/openmw/mwgui/windowmanagerimp.cpp
index 88b0bd3211..1182de1515 100644
--- a/apps/openmw/mwgui/windowmanagerimp.cpp
+++ b/apps/openmw/mwgui/windowmanagerimp.cpp
@@ -1623,6 +1623,9 @@ namespace MWGui
 
     void WindowManager::clear()
     {
+        if (mLocalMapRender)
+            mLocalMapRender->clear();
+
         mMap->clear();
         mQuickKeysMenu->clear();
         mMessageBoxManager->clear();
diff --git a/apps/openmw/mwmechanics/actors.cpp b/apps/openmw/mwmechanics/actors.cpp
index 84e97487a2..81dbca58ab 100644
--- a/apps/openmw/mwmechanics/actors.cpp
+++ b/apps/openmw/mwmechanics/actors.cpp
@@ -809,7 +809,7 @@ namespace MWMechanics
 
         NpcStats &stats = ptr.getClass().getNpcStats(ptr);
         MWBase::World *world = MWBase::Environment::get().getWorld();
-        bool knockedOutUnderwater = (ctrl->isKnockedOut() && world->isUnderwater(ptr.getCell(), Ogre::Vector3(ptr.getRefData().getPosition().pos)));
+        bool knockedOutUnderwater = (ctrl->isKnockedOut() && world->isUnderwater(ptr.getCell(), osg::Vec3f(ptr.getRefData().getPosition().asVec3())));
         if((world->isSubmerged(ptr) || knockedOutUnderwater)
            && stats.getMagicEffects().get(ESM::MagicEffect::WaterBreathing).getMagnitude() == 0)
         {
@@ -1385,11 +1385,11 @@ namespace MWMechanics
         return false;
     }
 
-    void Actors::getObjectsInRange(const Ogre::Vector3& position, float radius, std::vector<MWWorld::Ptr>& out)
+    void Actors::getObjectsInRange(const osg::Vec3f& position, float radius, std::vector<MWWorld::Ptr>& out)
     {
         for (PtrActorMap::iterator iter = mActors.begin(); iter != mActors.end(); ++iter)
         {
-            if (Ogre::Vector3(iter->first.getRefData().getPosition().pos).squaredDistance(position) <= radius*radius)
+            if ((iter->first.getRefData().getPosition().asVec3() - position).length2() <= radius*radius)
                 out.push_back(iter->first);
         }
     }
@@ -1457,7 +1457,7 @@ namespace MWMechanics
     std::list<MWWorld::Ptr> Actors::getActorsFighting(const MWWorld::Ptr& actor) {
         std::list<MWWorld::Ptr> list;
         std::vector<MWWorld::Ptr> neighbors;
-        Ogre::Vector3 position = Ogre::Vector3(actor.getRefData().getPosition().pos);
+        osg::Vec3f position (actor.getRefData().getPosition().asVec3());
         getObjectsInRange(position,
             MWBase::Environment::get().getWorld()->getStore().get<ESM::GameSetting>().find("fAlarmRadius")->getFloat(),
             neighbors); //only care about those within the alarm disance
diff --git a/apps/openmw/mwmechanics/actors.hpp b/apps/openmw/mwmechanics/actors.hpp
index 70f1b47d91..f9e58ab4fe 100644
--- a/apps/openmw/mwmechanics/actors.hpp
+++ b/apps/openmw/mwmechanics/actors.hpp
@@ -114,7 +114,7 @@ namespace MWMechanics
         void skipAnimation(const MWWorld::Ptr& ptr);
         bool checkAnimationPlaying(const MWWorld::Ptr& ptr, const std::string& groupName);
 
-            void getObjectsInRange(const Ogre::Vector3& position, float radius, std::vector<MWWorld::Ptr>& out);
+            void getObjectsInRange(const osg::Vec3f& position, float radius, std::vector<MWWorld::Ptr>& out);
 
             ///Returns the list of actors which are following the given actor
             /**ie AiFollow is active and the target is the actor **/
diff --git a/apps/openmw/mwmechanics/aiavoiddoor.cpp b/apps/openmw/mwmechanics/aiavoiddoor.cpp
index 9ec5bc19a0..83f9dffb47 100644
--- a/apps/openmw/mwmechanics/aiavoiddoor.cpp
+++ b/apps/openmw/mwmechanics/aiavoiddoor.cpp
@@ -64,7 +64,7 @@ bool MWMechanics::AiAvoidDoor::execute (const MWWorld::Ptr& actor, AiState& stat
 
     // Make all nearby actors also avoid the door
     std::vector<MWWorld::Ptr> actors;
-    MWBase::Environment::get().getMechanicsManager()->getActorsInRange(Ogre::Vector3(pos.pos[0],pos.pos[1],pos.pos[2]),100,actors);
+    MWBase::Environment::get().getMechanicsManager()->getActorsInRange(pos.asVec3(),100,actors);
     for(std::vector<MWWorld::Ptr>::iterator it = actors.begin(); it != actors.end(); ++it) {
         if(*it != MWBase::Environment::get().getWorld()->getPlayerPtr()) { //Not the player
             MWMechanics::AiSequence& seq = it->getClass().getCreatureStats(*it).getAiSequence();
diff --git a/apps/openmw/mwmechanics/combat.cpp b/apps/openmw/mwmechanics/combat.cpp
index ee48d124f0..b013dbb1b7 100644
--- a/apps/openmw/mwmechanics/combat.cpp
+++ b/apps/openmw/mwmechanics/combat.cpp
@@ -28,7 +28,7 @@ float signedAngleRadians (const osg::Vec3f& v1, const osg::Vec3f& v2, const osg:
     return std::atan2((normal * (v1 ^ v2)), (v1 * v2));
 }
 
-bool applyEnchantment (const MWWorld::Ptr& attacker, const MWWorld::Ptr& victim, const MWWorld::Ptr& object, const Ogre::Vector3& hitPosition)
+bool applyEnchantment (const MWWorld::Ptr& attacker, const MWWorld::Ptr& victim, const MWWorld::Ptr& object, const osg::Vec3f& hitPosition)
 {
     std::string enchantmentName = !object.isEmpty() ? object.getClass().getEnchantment(object) : "";
     if (!enchantmentName.empty())
@@ -166,7 +166,7 @@ namespace MWMechanics
     }
 
     void projectileHit(const MWWorld::Ptr &attacker, const MWWorld::Ptr &victim, MWWorld::Ptr weapon, const MWWorld::Ptr &projectile,
-                       const Ogre::Vector3& hitPosition)
+                       const osg::Vec3f& hitPosition)
     {
         MWBase::World *world = MWBase::Environment::get().getWorld();
         const MWWorld::Store<ESM::GameSetting> &gmst = world->getStore().get<ESM::GameSetting>();
@@ -221,7 +221,7 @@ namespace MWMechanics
             appliedEnchantment = applyEnchantment(attacker, victim, projectile, hitPosition);
 
         if (damage > 0)
-            MWBase::Environment::get().getWorld()->spawnBloodEffect(victim, osg::Vec3f(hitPosition.x, hitPosition.y, hitPosition.z));
+            MWBase::Environment::get().getWorld()->spawnBloodEffect(victim, hitPosition);
 
         // Non-enchanted arrows shot at enemies have a chance to turn up in their inventory
         if (victim != MWBase::Environment::get().getWorld()->getPlayerPtr()
diff --git a/apps/openmw/mwmechanics/combat.hpp b/apps/openmw/mwmechanics/combat.hpp
index a2fd8b0067..0a31a1a7e3 100644
--- a/apps/openmw/mwmechanics/combat.hpp
+++ b/apps/openmw/mwmechanics/combat.hpp
@@ -15,7 +15,7 @@ void resistNormalWeapon (const MWWorld::Ptr& actor, const MWWorld::Ptr& attacker
 /// @note for a thrown weapon, \a weapon == \a projectile, for bows/crossbows, \a projectile is the arrow/bolt
 /// @note \a victim may be empty (e.g. for a hit on terrain), a non-actor (environment objects) or an actor
 void projectileHit (const MWWorld::Ptr& attacker, const MWWorld::Ptr& victim, MWWorld::Ptr weapon, const MWWorld::Ptr& projectile,
-                    const Ogre::Vector3& hitPosition);
+                    const osg::Vec3f& hitPosition);
 
 /// Get the chance (in percent) for \a attacker to successfully hit \a victim with a given weapon skill value
 float getHitChance (const MWWorld::Ptr& attacker, const MWWorld::Ptr& victim, int skillValue);
diff --git a/apps/openmw/mwmechanics/mechanicsmanagerimp.cpp b/apps/openmw/mwmechanics/mechanicsmanagerimp.cpp
index 0ae9395c5d..8fbb31fb7b 100644
--- a/apps/openmw/mwmechanics/mechanicsmanagerimp.cpp
+++ b/apps/openmw/mwmechanics/mechanicsmanagerimp.cpp
@@ -1059,14 +1059,14 @@ namespace MWMechanics
         // Find all the actors within the alarm radius
         std::vector<MWWorld::Ptr> neighbors;
 
-        Ogre::Vector3 from = Ogre::Vector3(player.getRefData().getPosition().pos);
+        osg::Vec3f from (player.getRefData().getPosition().asVec3());
         const MWWorld::ESMStore& esmStore = MWBase::Environment::get().getWorld()->getStore();
         float radius = esmStore.get<ESM::GameSetting>().find("fAlarmRadius")->getFloat();
 
         mActors.getObjectsInRange(from, radius, neighbors);
 
         // victim should be considered even beyond alarm radius
-        if (!victim.isEmpty() && from.squaredDistance(Ogre::Vector3(victim.getRefData().getPosition().pos)) > radius*radius)
+        if (!victim.isEmpty() && (from - victim.getRefData().getPosition().asVec3()).length2() > radius*radius)
             neighbors.push_back(victim);
 
         // Did anyone see it?
@@ -1149,13 +1149,13 @@ namespace MWMechanics
 
         const MWWorld::ESMStore& esmStore = MWBase::Environment::get().getWorld()->getStore();
 
-        Ogre::Vector3 from = Ogre::Vector3(player.getRefData().getPosition().pos);
+        osg::Vec3f from (player.getRefData().getPosition().asVec3());
         float radius = esmStore.get<ESM::GameSetting>().find("fAlarmRadius")->getFloat();
 
         mActors.getObjectsInRange(from, radius, neighbors);
 
         // victim should be considered even beyond alarm radius
-        if (!victim.isEmpty() && from.squaredDistance(Ogre::Vector3(victim.getRefData().getPosition().pos)) > radius*radius)
+        if (!victim.isEmpty() && (from - victim.getRefData().getPosition().asVec3()).length2() > radius*radius)
             neighbors.push_back(victim);
 
         int id = MWBase::Environment::get().getWorld()->getPlayer().getNewCrimeId();
@@ -1430,13 +1430,13 @@ namespace MWMechanics
             MWBase::Environment::get().getDialogueManager()->say(ptr, "attack");
     }
 
-    void MechanicsManager::getObjectsInRange(const Ogre::Vector3 &position, float radius, std::vector<MWWorld::Ptr> &objects)
+    void MechanicsManager::getObjectsInRange(const osg::Vec3f &position, float radius, std::vector<MWWorld::Ptr> &objects)
     {
         mActors.getObjectsInRange(position, radius, objects);
         mObjects.getObjectsInRange(position, radius, objects);
     }
 
-    void MechanicsManager::getActorsInRange(const Ogre::Vector3 &position, float radius, std::vector<MWWorld::Ptr> &objects)
+    void MechanicsManager::getActorsInRange(const osg::Vec3f &position, float radius, std::vector<MWWorld::Ptr> &objects)
     {
         mActors.getObjectsInRange(position, radius, objects);
     }
diff --git a/apps/openmw/mwmechanics/mechanicsmanagerimp.hpp b/apps/openmw/mwmechanics/mechanicsmanagerimp.hpp
index d08334ae8c..f695ec57a8 100644
--- a/apps/openmw/mwmechanics/mechanicsmanagerimp.hpp
+++ b/apps/openmw/mwmechanics/mechanicsmanagerimp.hpp
@@ -145,8 +145,8 @@ namespace MWMechanics
             /// paused we may want to do it manually (after equipping permanent enchantment)
             virtual void updateMagicEffects (const MWWorld::Ptr& ptr);
 
-            virtual void getObjectsInRange (const Ogre::Vector3& position, float radius, std::vector<MWWorld::Ptr>& objects);
-            virtual void getActorsInRange(const Ogre::Vector3 &position, float radius, std::vector<MWWorld::Ptr> &objects);
+            virtual void getObjectsInRange (const osg::Vec3f& position, float radius, std::vector<MWWorld::Ptr>& objects);
+            virtual void getActorsInRange(const osg::Vec3f &position, float radius, std::vector<MWWorld::Ptr> &objects);
 
             virtual std::list<MWWorld::Ptr> getActorsFollowing(const MWWorld::Ptr& actor);
             virtual std::list<int> getActorsFollowingIndices(const MWWorld::Ptr& actor);
diff --git a/apps/openmw/mwmechanics/objects.cpp b/apps/openmw/mwmechanics/objects.cpp
index ba35af777d..d6f5da88d2 100644
--- a/apps/openmw/mwmechanics/objects.cpp
+++ b/apps/openmw/mwmechanics/objects.cpp
@@ -92,11 +92,11 @@ void Objects::skipAnimation(const MWWorld::Ptr& ptr)
         iter->second->skipAnim();
 }
 
-void Objects::getObjectsInRange(const Ogre::Vector3& position, float radius, std::vector<MWWorld::Ptr>& out)
+void Objects::getObjectsInRange(const osg::Vec3f& position, float radius, std::vector<MWWorld::Ptr>& out)
 {
     for (PtrControllerMap::iterator iter = mObjects.begin(); iter != mObjects.end(); ++iter)
     {
-        if (Ogre::Vector3(iter->first.getRefData().getPosition().pos).squaredDistance(position) <= radius*radius)
+        if ((position - iter->first.getRefData().getPosition().asVec3()).length2() <= radius*radius)
             out.push_back(iter->first);
     }
 }
diff --git a/apps/openmw/mwmechanics/objects.hpp b/apps/openmw/mwmechanics/objects.hpp
index 373a2a1056..6e22c0582b 100644
--- a/apps/openmw/mwmechanics/objects.hpp
+++ b/apps/openmw/mwmechanics/objects.hpp
@@ -41,7 +41,7 @@ namespace MWMechanics
         void playAnimationGroup(const MWWorld::Ptr& ptr, const std::string& groupName, int mode, int number);
         void skipAnimation(const MWWorld::Ptr& ptr);
 
-        void getObjectsInRange (const Ogre::Vector3& position, float radius, std::vector<MWWorld::Ptr>& out);
+        void getObjectsInRange (const osg::Vec3f& position, float radius, std::vector<MWWorld::Ptr>& out);
     };
 }
 
diff --git a/apps/openmw/mwmechanics/spellcasting.cpp b/apps/openmw/mwmechanics/spellcasting.cpp
index 8965d3b0d5..cdca6eeaad 100644
--- a/apps/openmw/mwmechanics/spellcasting.cpp
+++ b/apps/openmw/mwmechanics/spellcasting.cpp
@@ -779,7 +779,7 @@ namespace MWMechanics
             MWBase::Environment::get().getWorld()->launchMagicBolt(projectileModel, sound, mId, speed,
                                                                false, enchantment->mEffects, mCaster, mSourceName,
                                                                    // Not needed, enchantments can only be cast by actors
-                                                                   Ogre::Vector3(1,0,0));
+                                                                   osg::Vec3f(1,0,0));
 
         return true;
     }
@@ -861,13 +861,13 @@ namespace MWMechanics
         getProjectileInfo(spell->mEffects, projectileModel, sound, speed);
         if (!projectileModel.empty())
         {
-            Ogre::Vector3 fallbackDirection (0,1,0);
+            osg::Vec3f fallbackDirection (0,1,0);
             // Fall back to a "caster to target" direction if we have no other means of determining it
             // (e.g. when cast by a non-actor)
             if (!mTarget.isEmpty())
                 fallbackDirection =
-                   Ogre::Vector3(mTarget.getRefData().getPosition().pos)-
-                   Ogre::Vector3(mCaster.getRefData().getPosition().pos);
+                   osg::Vec3f(mTarget.getRefData().getPosition().asVec3())-
+                   osg::Vec3f(mCaster.getRefData().getPosition().asVec3());
 
             MWBase::Environment::get().getWorld()->launchMagicBolt(projectileModel, sound, mId, speed,
                        false, spell->mEffects, mCaster, mSourceName, fallbackDirection);
diff --git a/apps/openmw/mwmechanics/spellcasting.hpp b/apps/openmw/mwmechanics/spellcasting.hpp
index f50584edf2..4241c9e3e3 100644
--- a/apps/openmw/mwmechanics/spellcasting.hpp
+++ b/apps/openmw/mwmechanics/spellcasting.hpp
@@ -71,7 +71,7 @@ namespace MWMechanics
         bool mStack;
         std::string mId; // ID of spell, potion, item etc
         std::string mSourceName; // Display name for spell, potion, etc
-        Ogre::Vector3 mHitPosition; // Used for spawning area orb
+        osg::Vec3f mHitPosition; // Used for spawning area orb
         bool mAlwaysSucceed; // Always succeed spells casted by NPCs/creatures regardless of their chance (default: false)
 
     public:
diff --git a/apps/openmw/mwphysics/physicssystem.cpp b/apps/openmw/mwphysics/physicssystem.cpp
index c0e7a80b9d..f97c5fd138 100644
--- a/apps/openmw/mwphysics/physicssystem.cpp
+++ b/apps/openmw/mwphysics/physicssystem.cpp
@@ -748,7 +748,7 @@ namespace MWPhysics
         const btCollisionObject* mMe;
     };
 
-    PhysicsSystem::RayResult PhysicsSystem::castRay(const osg::Vec3f &from, const osg::Vec3f &to, MWWorld::Ptr ignore, int mask)
+    PhysicsSystem::RayResult PhysicsSystem::castRay(const osg::Vec3f &from, const osg::Vec3f &to, MWWorld::Ptr ignore, int mask, int group)
     {
         btVector3 btFrom = toBullet(from);
         btVector3 btTo = toBullet(to);
@@ -762,7 +762,7 @@ namespace MWPhysics
         }
 
         ClosestNotMeRayResultCallback resultCallback(me, btFrom, btTo);
-        resultCallback.m_collisionFilterGroup = 0xff;
+        resultCallback.m_collisionFilterGroup = group;
         resultCallback.m_collisionFilterMask = mask;
 
         mCollisionWorld->rayTest(btFrom, btTo, resultCallback);
@@ -860,6 +860,15 @@ namespace MWPhysics
         }
     }
 
+    osg::Vec3f PhysicsSystem::getHalfExtents(const MWWorld::Ptr &actor)
+    {
+        Actor* physactor = getActor(actor);
+        if (physactor)
+            return physactor->getHalfExtents();
+        else
+            return osg::Vec3f();
+    }
+
     class ContactTestResultCallback : public btCollisionWorld::ContactResultCallback
     {
     public:
@@ -1128,7 +1137,7 @@ namespace MWPhysics
                 if (effects.get(ESM::MagicEffect::WaterWalking).getMagnitude()
                         && cell->getCell()->hasWater()
                         && !world->isUnderwater(iter->first.getCell(),
-                                               Ogre::Vector3(iter->first.getRefData().getPosition().pos)))
+                                               osg::Vec3f(iter->first.getRefData().getPosition().asVec3())))
                     waterCollision = true;
 
                 ActorMap::iterator foundActor = mActors.find(iter->first);
diff --git a/apps/openmw/mwphysics/physicssystem.hpp b/apps/openmw/mwphysics/physicssystem.hpp
index d4f7e25b10..7e3c279515 100644
--- a/apps/openmw/mwphysics/physicssystem.hpp
+++ b/apps/openmw/mwphysics/physicssystem.hpp
@@ -99,7 +99,7 @@ namespace MWPhysics
 
             /// @param me Optional, a Ptr to ignore in the list of results
             RayResult castRay(const osg::Vec3f &from, const osg::Vec3f &to, MWWorld::Ptr ignore = MWWorld::Ptr(), int mask =
-                    CollisionType_World|CollisionType_HeightMap|CollisionType_Actor);
+                    CollisionType_World|CollisionType_HeightMap|CollisionType_Actor, int group=0xff);
 
             RayResult castSphere(const osg::Vec3f& from, const osg::Vec3f& to, float radius);
 
@@ -108,6 +108,8 @@ namespace MWPhysics
 
             bool isOnGround (const MWWorld::Ptr& actor);
 
+            osg::Vec3f getHalfExtents(const MWWorld::Ptr& actor);
+
             /// Queues velocity movement for a Ptr. If a Ptr is already queued, its velocity will
             /// be overwritten. Valid until the next call to applyQueuedMovement.
             void queueObjectMovement(const MWWorld::Ptr &ptr, const osg::Vec3f &velocity);
diff --git a/apps/openmw/mwscript/miscextensions.cpp b/apps/openmw/mwscript/miscextensions.cpp
index efdb49cf7f..8580eb8f88 100644
--- a/apps/openmw/mwscript/miscextensions.cpp
+++ b/apps/openmw/mwscript/miscextensions.cpp
@@ -937,7 +937,7 @@ namespace MWScript
                 MWWorld::Ptr target = MWBase::Environment::get().getWorld()->getPtr (targetId, false);
 
                 MWMechanics::CastSpell cast(ptr, target);
-                cast.mHitPosition = Ogre::Vector3(target.getRefData().getPosition().pos);
+                cast.mHitPosition = target.getRefData().getPosition().asVec3();
                 cast.mAlwaysSucceed = true;
                 cast.cast(spell);
             }
@@ -955,7 +955,7 @@ namespace MWScript
                 runtime.pop();
 
                 MWMechanics::CastSpell cast(ptr, ptr);
-                cast.mHitPosition = Ogre::Vector3(ptr.getRefData().getPosition().pos);
+                cast.mHitPosition = ptr.getRefData().getPosition().asVec3();
                 cast.mAlwaysSucceed = true;
                 cast.cast(spell);
             }
diff --git a/apps/openmw/mwworld/actiontrap.cpp b/apps/openmw/mwworld/actiontrap.cpp
index d153b7e618..68d7c69e9f 100644
--- a/apps/openmw/mwworld/actiontrap.cpp
+++ b/apps/openmw/mwworld/actiontrap.cpp
@@ -9,8 +9,8 @@ namespace MWWorld
 
     void ActionTrap::executeImp(const Ptr &actor)
     {
-        Ogre::Vector3 actorPosition(actor.getRefData().getPosition().pos);
-        Ogre::Vector3 trapPosition(mTrapSource.getRefData().getPosition().pos);
+        osg::Vec3f actorPosition(actor.getRefData().getPosition().asVec3());
+        osg::Vec3f trapPosition(mTrapSource.getRefData().getPosition().asVec3());
         float activationDistance = MWBase::Environment::get().getWorld()->getMaxActivationDistance();
 
         // GUI calcs if object in activation distance include object and player geometry
@@ -20,7 +20,7 @@ namespace MWWorld
         // to open door/container.
         // Note, can't just detonate the trap at the trapped object's location and use the blast
         // radius, because for most trap spells this is 1 foot, much less than the activation distance.
-        if (trapPosition.distance(actorPosition) < (activationDistance * fudgeFactor))
+        if ((trapPosition - actorPosition).length() < (activationDistance * fudgeFactor))
         {
             // assume actor touched trap
             MWMechanics::CastSpell cast(mTrapSource, actor);
diff --git a/apps/openmw/mwworld/projectilemanager.cpp b/apps/openmw/mwworld/projectilemanager.cpp
index acbe819f1e..84d86fba74 100644
--- a/apps/openmw/mwworld/projectilemanager.cpp
+++ b/apps/openmw/mwworld/projectilemanager.cpp
@@ -1,11 +1,11 @@
 #include "projectilemanager.hpp"
 
-#include <OgreSceneManager.h>
-#include <OgreSceneNode.h>
-
-#include <libs/openengine/bullet/physic.hpp>
+#include <osg/PositionAttitudeTransform>
 
 #include <components/esm/projectilestate.hpp>
+#include <components/resource/resourcesystem.hpp>
+#include <components/resource/scenemanager.hpp>
+#include <components/sceneutil/controller.hpp>
 
 #include "../mwworld/manualref.hpp"
 #include "../mwworld/class.hpp"
@@ -22,72 +22,70 @@
 
 #include "../mwrender/effectmanager.hpp"
 #include "../mwrender/animation.hpp"
-#include "../mwrender/renderconst.hpp"
+#include "../mwrender/vismask.hpp"
 
 #include "../mwsound/sound.hpp"
 
+#include "../mwphysics/physicssystem.hpp"
+
+
 namespace MWWorld
 {
 
-    ProjectileManager::ProjectileManager(Ogre::SceneManager* sceneMgr, OEngine::Physic::PhysicEngine &engine)
-        : mPhysEngine(engine)
-        , mSceneMgr(sceneMgr)
+    ProjectileManager::ProjectileManager(osg::Group* parent, Resource::ResourceSystem* resourceSystem, MWPhysics::PhysicsSystem* physics)
+        : mParent(parent)
+        , mResourceSystem(resourceSystem)
+        , mPhysics(physics)
     {
 
     }
 
     void ProjectileManager::createModel(State &state, const std::string &model)
     {
-        state.mObject = NifOgre::Loader::createObjects(state.mNode, model);
-        for(size_t i = 0;i < state.mObject->mControllers.size();i++)
-        {
-            if(state.mObject->mControllers[i].getSource().isNull())
-                state.mObject->mControllers[i].setSource(Ogre::SharedPtr<MWRender::EffectAnimationTime> (new MWRender::EffectAnimationTime()));
-        }
+        state.mNode = new osg::PositionAttitudeTransform;
+        state.mNode->setNodeMask(MWRender::Mask_Effect);
+        mParent->addChild(state.mNode);
 
-        MWRender::Animation::setRenderProperties(state.mObject, MWRender::RV_Effects,
-                            MWRender::RQG_Main, MWRender::RQG_Alpha, 0.f, false, NULL);
+        mResourceSystem->getSceneManager()->createInstance(model, state.mNode);
+
+        state.mEffectAnimationTime.reset(new MWRender::EffectAnimationTime);
+
+        SceneUtil::AssignControllerSourcesVisitor assignVisitor (state.mEffectAnimationTime);
+        state.mNode->accept(assignVisitor);
     }
 
-    void ProjectileManager::update(NifOgre::ObjectScenePtr object, float duration)
+    void ProjectileManager::update(State& state, float duration)
     {
-        for(size_t i = 0; i < object->mControllers.size() ;i++)
-        {
-            MWRender::EffectAnimationTime* value = dynamic_cast<MWRender::EffectAnimationTime*>(object->mControllers[i].getSource().get());
-            if (value)
-                value->addTime(duration);
-
-            object->mControllers[i].update();
-        }
+        state.mEffectAnimationTime->addTime(duration);
     }
 
     void ProjectileManager::launchMagicBolt(const std::string &model, const std::string &sound,
                                             const std::string &spellId, float speed, bool stack,
                                             const ESM::EffectList &effects, const Ptr &caster, const std::string &sourceName,
-                                            const Ogre::Vector3& fallbackDirection)
+                                            const osg::Vec3f& fallbackDirection)
     {
         float height = 0;
-        if (OEngine::Physic::PhysicActor* actor = mPhysEngine.getCharacter(caster.getRefData().getHandle()))
-            height = actor->getHalfExtents().z * 2 * 0.75f;         // Spawn at 0.75 * ActorHeight
 
-        Ogre::Vector3 pos(caster.getRefData().getPosition().pos);
-        pos.z += height;
+        height += mPhysics->getHalfExtents(caster).z() * 2.f * 0.75f;  // Spawn at 0.75 * ActorHeight
+
+        osg::Vec3f pos(caster.getRefData().getPosition().asVec3());
+        pos.z() += height;
 
         if (MWBase::Environment::get().getWorld()->isUnderwater(caster.getCell(), pos)) // Underwater casting not possible
             return;
 
-        Ogre::Quaternion orient;
+        osg::Quat orient;
         if (caster.getClass().isActor())
-            orient = Ogre::Quaternion(Ogre::Radian(caster.getRefData().getPosition().rot[2]), Ogre::Vector3::NEGATIVE_UNIT_Z) *
-                    Ogre::Quaternion(Ogre::Radian(caster.getRefData().getPosition().rot[0]), Ogre::Vector3::NEGATIVE_UNIT_X);
+            orient = osg::Quat(caster.getRefData().getPosition().rot[0], osg::Vec3f(-1,0,0))
+                    * osg::Quat(caster.getRefData().getPosition().rot[2], osg::Vec3f(0,0,-1));
         else
-            orient = Ogre::Vector3::UNIT_Y.getRotationTo(fallbackDirection);
+            orient.makeRotate(osg::Vec3f(0,1,0), osg::Vec3f(fallbackDirection));
 
         MagicBoltState state;
         state.mSourceName = sourceName;
         state.mId = model;
         state.mSpellId = spellId;
-        state.mCasterHandle = caster.getRefData().getHandle();
+        state.mCasterHandle = caster;
         if (caster.getClass().isActor())
             state.mActorId = caster.getClass().getCreatureStats(caster).getActorId();
         else
@@ -107,8 +105,9 @@ namespace MWWorld
         MWWorld::ManualRef ref(MWBase::Environment::get().getWorld()->getStore(), model);
         MWWorld::Ptr ptr = ref.getPtr();
 
-        state.mNode = mSceneMgr->getRootSceneNode()->createChildSceneNode(pos, orient);
         createModel(state, ptr.getClass().getModel(ptr));
+        state.mNode->setPosition(pos);
+        state.mNode->setAttitude(orient);
 
         MWBase::SoundManager *sndMgr = MWBase::Environment::get().getSoundManager();
         state.mSound = sndMgr->playManualSound3D(pos, sound, 1.0f, 1.0f, MWBase::SoundManager::Play_TypeSfx, MWBase::SoundManager::Play_Loop);
@@ -116,20 +115,21 @@ namespace MWWorld
         mMagicBolts.push_back(state);
     }
 
-    void ProjectileManager::launchProjectile(Ptr actor, Ptr projectile, const Ogre::Vector3 &pos,
-                                             const Ogre::Quaternion &orient, Ptr bow, float speed)
+    void ProjectileManager::launchProjectile(Ptr actor, Ptr projectile, const osg::Vec3f &pos, const osg::Quat &orient, Ptr bow, float speed)
     {
         ProjectileState state;
         state.mActorId = actor.getClass().getCreatureStats(actor).getActorId();
         state.mBowId = bow.getCellRef().getRefId();
-        state.mVelocity = orient.yAxis() * speed;
+        state.mVelocity = orient * osg::Vec3f(0,1,0) * speed;
         state.mId = projectile.getCellRef().getRefId();
+        state.mCasterHandle = actor;
 
         MWWorld::ManualRef ref(MWBase::Environment::get().getWorld()->getStore(), projectile.getCellRef().getRefId());
         MWWorld::Ptr ptr = ref.getPtr();
 
-        state.mNode = mSceneMgr->getRootSceneNode()->createChildSceneNode(pos, orient);
         createModel(state, ptr.getClass().getModel(ptr));
+        state.mNode->setPosition(pos);
+        state.mNode->setAttitude(orient);
 
         mProjectiles.push_back(state);
     }
@@ -144,60 +144,46 @@ namespace MWWorld
     {
         for (std::vector<MagicBoltState>::iterator it = mMagicBolts.begin(); it != mMagicBolts.end();)
         {
-            Ogre::Quaternion orient = it->mNode->getOrientation();
+            osg::Quat orient = it->mNode->getAttitude();
             static float fTargetSpellMaxSpeed = MWBase::Environment::get().getWorld()->getStore().get<ESM::GameSetting>()
                         .find("fTargetSpellMaxSpeed")->getFloat();
             float speed = fTargetSpellMaxSpeed * it->mSpeed;
 
-            Ogre::Vector3 direction = orient.yAxis();
-            direction.normalise();
-            Ogre::Vector3 pos(it->mNode->getPosition());
-            Ogre::Vector3 newPos = pos + direction * duration * speed;
+            osg::Vec3f direction = orient * osg::Vec3f(0,1,0);
+            direction.normalize();
+            osg::Vec3f pos(it->mNode->getPosition());
+            osg::Vec3f newPos = pos + direction * duration * speed;
 
             if (it->mSound.get())
                 it->mSound->setPosition(newPos);
 
             it->mNode->setPosition(newPos);
 
-            update(it->mObject, duration);
+            update(*it, duration);
+
+            MWWorld::Ptr caster = it->getCaster();
 
             // Check for impact
             // TODO: use a proper btRigidBody / btGhostObject?
-            btVector3 from(pos.x, pos.y, pos.z);
-            btVector3 to(newPos.x, newPos.y, newPos.z);
+            MWPhysics::PhysicsSystem::RayResult result = mPhysics->castRay(pos, newPos, caster, 0xff, MWPhysics::CollisionType_Projectile);
 
-            std::vector<std::pair<float, std::string> > collisions = mPhysEngine.rayTest2(from, to, OEngine::Physic::CollisionType_Projectile);
-            bool hit=false;
-
-            for (std::vector<std::pair<float, std::string> >::iterator cIt = collisions.begin(); cIt != collisions.end() && !hit; ++cIt)
+            bool hit = false;
+            if (result.mHit)
             {
-                MWWorld::Ptr obstacle = MWBase::Environment::get().getWorld()->searchPtrViaHandle(cIt->second);
-
-                MWWorld::Ptr caster = MWBase::Environment::get().getWorld()->searchPtrViaHandle(it->mCasterHandle);
-                if (caster.isEmpty())
-                    caster = MWBase::Environment::get().getWorld()->searchPtrViaActorId(it->mActorId);
-
-                if (!obstacle.isEmpty() && obstacle == caster)
-                    continue;
-
-                if (caster.isEmpty())
-                    caster = obstacle;
-
-                if (obstacle.isEmpty())
+                hit = true;
+                if (result.mHitObject.isEmpty())
                 {
-                    // Terrain
+                    // terrain
                 }
                 else
                 {
-                    MWMechanics::CastSpell cast(caster, obstacle);
+                    MWMechanics::CastSpell cast(caster, result.mHitObject);
                     cast.mHitPosition = pos;
                     cast.mId = it->mSpellId;
                     cast.mSourceName = it->mSourceName;
                     cast.mStack = it->mStack;
-                    cast.inflict(obstacle, caster, it->mEffects, ESM::RT_Target, false, true);
+                    cast.inflict(result.mHitObject, caster, it->mEffects, ESM::RT_Target, false, true);
                 }
-
-                hit = true;
             }
 
             // Explodes when hitting water
@@ -206,12 +192,11 @@ namespace MWWorld
 
             if (hit)
             {
-                MWWorld::Ptr caster = MWBase::Environment::get().getWorld()->searchPtrViaActorId(it->mActorId);
                 MWBase::Environment::get().getWorld()->explodeSpell(pos, it->mEffects, caster, ESM::RT_Target, it->mSpellId, it->mSourceName);
 
                 MWBase::Environment::get().getSoundManager()->stopSound(it->mSound);
 
-                mSceneMgr->destroySceneNode(it->mNode);
+                mParent->removeChild(it->mNode);
 
                 it = mMagicBolts.erase(it);
                 continue;
@@ -227,34 +212,26 @@ namespace MWWorld
         {
             // gravity constant - must be way lower than the gravity affecting actors, since we're not
             // simulating aerodynamics at all
-            it->mVelocity -= Ogre::Vector3(0, 0, 627.2f * 0.1f) * duration;
+            it->mVelocity -= osg::Vec3f(0, 0, 627.2f * 0.1f) * duration;
 
-            Ogre::Vector3 pos(it->mNode->getPosition());
-            Ogre::Vector3 newPos = pos + it->mVelocity * duration;
+            osg::Vec3f pos(it->mNode->getPosition());
+            osg::Vec3f newPos = pos + it->mVelocity * duration;
 
-            Ogre::Quaternion orient = Ogre::Vector3::UNIT_Y.getRotationTo(it->mVelocity);
-            it->mNode->setOrientation(orient);
+            osg::Quat orient;
+            orient.makeRotate(osg::Vec3f(0,1,0), it->mVelocity);
+            it->mNode->setAttitude(orient);
             it->mNode->setPosition(newPos);
 
-            update(it->mObject, duration);
+            update(*it, duration);
+
+            MWWorld::Ptr caster = it->getCaster();
 
             // Check for impact
             // TODO: use a proper btRigidBody / btGhostObject?
-            btVector3 from(pos.x, pos.y, pos.z);
-            btVector3 to(newPos.x, newPos.y, newPos.z);
-            std::vector<std::pair<float, std::string> > collisions = mPhysEngine.rayTest2(from, to, OEngine::Physic::CollisionType_Projectile);
-            bool hit=false;
+            MWPhysics::PhysicsSystem::RayResult result = mPhysics->castRay(pos, newPos, caster, 0xff, MWPhysics::CollisionType_Projectile);
 
-            for (std::vector<std::pair<float, std::string> >::iterator cIt = collisions.begin(); cIt != collisions.end() && !hit; ++cIt)
+            if (result.mHit)
             {
-                MWWorld::Ptr obstacle = MWBase::Environment::get().getWorld()->searchPtrViaHandle(cIt->second);
-
-                MWWorld::Ptr caster = MWBase::Environment::get().getWorld()->searchPtrViaActorId(it->mActorId);
-
-                // Arrow intersects with player immediately after shooting :/
-                if (obstacle == caster)
-                    continue;
-
                 MWWorld::ManualRef projectileRef(MWBase::Environment::get().getWorld()->getStore(), it->mId);
 
                 // Try to get a Ptr to the bow that was used. It might no longer exist.
@@ -268,15 +245,11 @@ namespace MWWorld
                 }
 
                 if (caster.isEmpty())
-                    caster = obstacle;
+                    caster = result.mHitObject;
 
-                MWMechanics::projectileHit(caster, obstacle, bow, projectileRef.getPtr(), pos + (newPos - pos) * cIt->first);
+                MWMechanics::projectileHit(caster, result.mHitObject, bow, projectileRef.getPtr(), result.mHitPos);
 
-                hit = true;
-            }
-            if (hit)
-            {
-                mSceneMgr->destroySceneNode(it->mNode);
+                mParent->removeChild(it->mNode);
 
                 it = mProjectiles.erase(it);
                 continue;
@@ -290,13 +263,13 @@ namespace MWWorld
     {
         for (std::vector<ProjectileState>::iterator it = mProjectiles.begin(); it != mProjectiles.end(); ++it)
         {
-            mSceneMgr->destroySceneNode(it->mNode);
+            mParent->removeChild(it->mNode);
         }
         mProjectiles.clear();
         for (std::vector<MagicBoltState>::iterator it = mMagicBolts.begin(); it != mMagicBolts.end(); ++it)
         {
+            mParent->removeChild(it->mNode);
             MWBase::Environment::get().getSoundManager()->stopSound(it->mSound);
-            mSceneMgr->destroySceneNode(it->mNode);
         }
         mMagicBolts.clear();
     }
@@ -309,8 +282,8 @@ namespace MWWorld
 
             ESM::ProjectileState state;
             state.mId = it->mId;
-            state.mPosition = it->mNode->getPosition();
-            state.mOrientation = it->mNode->getOrientation();
+            state.mPosition = ESM::Vector3(osg::Vec3f(it->mNode->getPosition()));
+            state.mOrientation = ESM::Quaternion(osg::Quat(it->mNode->getAttitude()));
             state.mActorId = it->mActorId;
 
             state.mBowId = it->mBowId;
@@ -327,8 +300,8 @@ namespace MWWorld
 
             ESM::MagicBoltState state;
             state.mId = it->mId;
-            state.mPosition = it->mNode->getPosition();
-            state.mOrientation = it->mNode->getOrientation();
+            state.mPosition = ESM::Vector3(osg::Vec3f(it->mNode->getPosition()));
+            state.mOrientation = ESM::Quaternion(osg::Quat(it->mNode->getAttitude()));
             state.mActorId = it->mActorId;
 
             state.mSpellId = it->mSpellId;
@@ -369,8 +342,9 @@ namespace MWWorld
                 return true;
             }
 
-            state.mNode = mSceneMgr->getRootSceneNode()->createChildSceneNode(esm.mPosition, esm.mOrientation);
             createModel(state, model);
+            state.mNode->setPosition(osg::Vec3f(esm.mPosition));
+            state.mNode->setAttitude(osg::Quat(esm.mOrientation));
 
             mProjectiles.push_back(state);
             return true;
@@ -401,8 +375,9 @@ namespace MWWorld
                 return true;
             }
 
-            state.mNode = mSceneMgr->getRootSceneNode()->createChildSceneNode(esm.mPosition, esm.mOrientation);
             createModel(state, model);
+            state.mNode->setPosition(osg::Vec3f(esm.mPosition));
+            state.mNode->setAttitude(osg::Quat(esm.mOrientation));
 
             MWBase::SoundManager *sndMgr = MWBase::Environment::get().getSoundManager();
             state.mSound = sndMgr->playManualSound3D(esm.mPosition, esm.mSound, 1.0f, 1.0f,
@@ -421,4 +396,12 @@ namespace MWWorld
         return mMagicBolts.size() + mProjectiles.size();
     }
 
+    MWWorld::Ptr ProjectileManager::State::getCaster()
+    {
+        if (!mCasterHandle.isEmpty())
+            return mCasterHandle;
+
+        return MWBase::Environment::get().getWorld()->searchPtrViaActorId(mActorId);
+    }
+
 }
diff --git a/apps/openmw/mwworld/projectilemanager.hpp b/apps/openmw/mwworld/projectilemanager.hpp
index f46f544d28..f42bc040f8 100644
--- a/apps/openmw/mwworld/projectilemanager.hpp
+++ b/apps/openmw/mwworld/projectilemanager.hpp
@@ -3,7 +3,7 @@
 
 #include <string>
 
-#include <OgreVector3.h>
+#include <osg/ref_ptr>
 
 #include <components/esm/effectlist.hpp>
 
@@ -21,9 +21,20 @@ namespace Loading
     class Listener;
 }
 
-namespace Ogre
+namespace osg
 {
-    class SceneManager;
+    class Group;
+    class Quat;
+}
+
+namespace Resource
+{
+    class ResourceSystem;
+}
+
+namespace MWRender
+{
+    class EffectAnimationTime;
 }
 
 namespace MWWorld
@@ -32,16 +43,16 @@ namespace MWWorld
     class ProjectileManager
     {
     public:
-        ProjectileManager (Ogre::SceneManager* sceneMgr,
-                OEngine::Physic::PhysicEngine& engine);
+        ProjectileManager (osg::Group* parent, Resource::ResourceSystem* resourceSystem,
+                MWPhysics::PhysicsSystem* physics);
 
         /// If caster is an actor, the actor's facing orientation is used. Otherwise fallbackDirection is used.
         void launchMagicBolt (const std::string& model, const std::string &sound, const std::string &spellId,
                                      float speed, bool stack, const ESM::EffectList& effects,
-                                       const MWWorld::Ptr& caster, const std::string& sourceName, const Ogre::Vector3& fallbackDirection);
+                                       const MWWorld::Ptr& caster, const std::string& sourceName, const osg::Vec3f& fallbackDirection);
 
         void launchProjectile (MWWorld::Ptr actor, MWWorld::Ptr projectile,
-                                       const Ogre::Vector3& pos, const Ogre::Quaternion& orient, MWWorld::Ptr bow, float speed);
+                                       const osg::Vec3f& pos, const osg::Quat& orient, MWWorld::Ptr bow, float speed);
 
         void update(float dt);
 
@@ -53,22 +64,22 @@ namespace MWWorld
         int countSavedGameRecords() const;
 
     private:
-        OEngine::Physic::PhysicEngine& mPhysEngine;
-        Ogre::SceneManager* mSceneMgr;
+        osg::ref_ptr<osg::Group> mParent;
+        Resource::ResourceSystem* mResourceSystem;
+        MWPhysics::PhysicsSystem* mPhysics;
 
         struct State
         {
-            NifOgre::ObjectScenePtr mObject;
-            Ogre::SceneNode* mNode;
+            osg::ref_ptr<osg::PositionAttitudeTransform> mNode;
+            boost::shared_ptr<MWRender::EffectAnimationTime> mEffectAnimationTime;
 
             int mActorId;
 
-            // actorId doesn't work for non-actors, so we also keep track of the Ogre-handle.
-            // For non-actors, the caster ptr is mainly needed to prevent the projectile
-            // from colliding with its caster.
             // TODO: this will break when the game is saved and reloaded, since there is currently
             // no way to write identifiers for non-actors to a savegame.
-            std::string mCasterHandle;
+            MWWorld::Ptr mCasterHandle;
+
+            MWWorld::Ptr getCaster();
 
             // MW-id of this projectile
             std::string mId;
@@ -96,7 +107,7 @@ namespace MWWorld
             // RefID of the bow or crossbow the actor was using when this projectile was fired (may be empty)
             std::string mBowId;
 
-            Ogre::Vector3 mVelocity;
+            osg::Vec3f mVelocity;
         };
 
         std::vector<MagicBoltState> mMagicBolts;
@@ -106,7 +117,7 @@ namespace MWWorld
         void moveMagicBolts(float dt);
 
         void createModel (State& state, const std::string& model);
-        void update (NifOgre::ObjectScenePtr object, float duration);
+        void update (State& state, float duration);
     };
 
 }
diff --git a/apps/openmw/mwworld/worldimp.cpp b/apps/openmw/mwworld/worldimp.cpp
index 2f47c19e60..126267fd46 100644
--- a/apps/openmw/mwworld/worldimp.cpp
+++ b/apps/openmw/mwworld/worldimp.cpp
@@ -54,7 +54,7 @@
 #include "containerstore.hpp"
 #include "inventorystore.hpp"
 #include "actionteleport.hpp"
-//#include "projectilemanager.hpp"
+#include "projectilemanager.hpp"
 #include "weather.hpp"
 
 #include "contentloader.hpp"
@@ -159,9 +159,7 @@ namespace MWWorld
       mLevitationEnabled(true), mGoToJail(false), mDaysInPrison(0)
     {
         mPhysics = new MWPhysics::PhysicsSystem(resourceSystem, rootNode);
-#if 0
-        mProjectileManager.reset(new ProjectileManager(renderer.getScene(), *mPhysEngine));
-#endif
+        mProjectileManager.reset(new ProjectileManager(rootNode, resourceSystem, mPhysics));
         mRendering = new MWRender::RenderingManager(viewer, rootNode, resourceSystem);
 
         mWeatherManager = new MWWorld::WeatherManager(mRendering,&mFallback);
@@ -276,9 +274,7 @@ namespace MWWorld
     {
         mWeatherManager->clear();
         mRendering->clear();
-#if 0
         mProjectileManager->clear();
-#endif
         mLocalScripts.clear();
 
         mWorldScene->changeToVoid();
@@ -313,9 +309,7 @@ namespace MWWorld
             mCells.countSavedGameRecords()
             +mStore.countSavedGameRecords()
             +mGlobalVariables.countSavedGameRecords()
-        #if 0
             +mProjectileManager->countSavedGameRecords()
-        #endif
             +1 // player record
             +1 // weather record
             +1 // actorId counter
@@ -346,9 +340,8 @@ namespace MWWorld
         mGlobalVariables.write (writer, progress);
         mPlayer->write (writer, progress);
         mWeatherManager->write (writer, progress);
-#if 0
         mProjectileManager->write (writer, progress);
-#endif
+
         writer.startRecord(ESM::REC_ENAB);
         writer.writeHNT("TELE", mTeleportEnabled);
         writer.writeHNT("LEVT", mLevitationEnabled);
@@ -377,9 +370,7 @@ namespace MWWorld
                     !mPlayer->readRecord (reader, type) &&
                     !mWeatherManager->readRecord (reader, type) &&
                     !mCells.readRecord (reader, type, contentFileMap)
-        #if 0
                      && !mProjectileManager->readRecord (reader, type)
-        #endif
                         )
                 {
                     throw std::runtime_error ("unknown record in saved game");
@@ -472,10 +463,8 @@ namespace MWWorld
 
     World::~World()
     {
-#if 0
         // Must be cleared before mRendering is destroyed
         mProjectileManager->clear();
-#endif
         delete mWeatherManager;
         delete mWorldScene;
         delete mRendering;
@@ -970,9 +959,7 @@ namespace MWWorld
         if (mCurrentWorldSpace != cellName)
         {
             // changed worldspace
-#if 0
             mProjectileManager->clear();
-#endif
             mRendering->notifyWorldSpaceChanged();
 
             mCurrentWorldSpace = cellName;
@@ -990,9 +977,7 @@ namespace MWWorld
         if (mCurrentWorldSpace != "sys::default") // FIXME
         {
             // changed worldspace
-#if 0
             mProjectileManager->clear();
-#endif
             mRendering->notifyWorldSpaceChanged();
         }
         removeContainerScripts(getPlayerPtr());
@@ -1388,7 +1373,7 @@ namespace MWWorld
         mPhysics->stepSimulation(duration);
         processDoors(duration);
 
-        //mProjectileManager->update(duration);
+        mProjectileManager->update(duration);
 
         const MWPhysics::PtrVelocityList &results = mPhysics->applyQueuedMovement(duration);
         MWPhysics::PtrVelocityList::const_iterator player(results.end());
@@ -1637,9 +1622,7 @@ namespace MWWorld
         const ESM::Position& refpos = getPlayerPtr().getRefData().getPosition();
         osg::Vec3f playerPos = refpos.asVec3();
 
-        const MWPhysics::Actor* actor = mPhysics->getActor(getPlayerPtr());
-        if (actor)
-            playerPos.z() += 1.85f * actor->getHalfExtents().z();
+        playerPos.z() += 1.85f * mPhysics->getHalfExtents(getPlayerPtr()).z();
 
         osg::Quat playerOrient = osg::Quat(refpos.rot[1], osg::Vec3f(0,-1,0)) *
                 osg::Quat(refpos.rot[0], osg::Vec3f(-1,0,0)) *
@@ -2015,24 +1998,19 @@ namespace MWWorld
 
     bool World::isUnderwater(const MWWorld::Ptr &object, const float heightRatio) const
     {
-        const float *fpos = object.getRefData().getPosition().pos;
-        Ogre::Vector3 pos(fpos[0], fpos[1], fpos[2]);
+        osg::Vec3f pos (object.getRefData().getPosition().asVec3());
 
-        const MWPhysics::Actor* actor = mPhysics->getActor(object);
-        if (actor)
-        {
-            pos.z += heightRatio*2*actor->getHalfExtents().z();
-        }
+        pos.z() += heightRatio*2*mPhysics->getHalfExtents(object).z();
 
         return isUnderwater(object.getCell(), pos);
     }
 
-    bool World::isUnderwater(const MWWorld::CellStore* cell, const Ogre::Vector3 &pos) const
+    bool World::isUnderwater(const MWWorld::CellStore* cell, const osg::Vec3f &pos) const
     {
         if (!(cell->getCell()->mData.mFlags & ESM::Cell::HasWater)) {
             return false;
         }
-        return pos.z < cell->getWaterLevel();
+        return pos.z() < cell->getWaterLevel();
     }
 
     bool World::isOnGround(const MWWorld::Ptr &ptr) const
@@ -2125,7 +2103,7 @@ namespace MWWorld
 
         Ptr player = mPlayer->getPlayer();
         RefData &refdata = player.getRefData();
-        Ogre::Vector3 playerPos(refdata.getPosition().pos);
+        osg::Vec3f playerPos(refdata.getPosition().asVec3());
 
         const MWPhysics::Actor* actor = mPhysics->getActor(player);
         if (!actor)
@@ -2519,7 +2497,7 @@ namespace MWWorld
 
             // Witnesses of the player's transformation will make them a globally known werewolf
             std::vector<MWWorld::Ptr> closeActors;
-            MWBase::Environment::get().getMechanicsManager()->getActorsInRange(Ogre::Vector3(actor.getRefData().getPosition().pos),
+            MWBase::Environment::get().getMechanicsManager()->getActorsInRange(actor.getRefData().getPosition().asVec3(),
                                                                                getStore().get<ESM::GameSetting>().search("fAlarmRadius")->getFloat(),
                                                                                closeActors);
 
@@ -2695,7 +2673,7 @@ namespace MWWorld
 
         MWMechanics::CastSpell cast(actor, target);
         if (!target.isEmpty())
-            cast.mHitPosition = Ogre::Vector3(target.getRefData().getPosition().pos);
+            cast.mHitPosition = target.getRefData().getPosition().asVec3();
 
         if (!selectedSpell.empty())
         {
@@ -2718,18 +2696,14 @@ namespace MWWorld
     void World::launchProjectile (MWWorld::Ptr actor, MWWorld::Ptr projectile,
                                    const osg::Vec3f& worldPos, const osg::Quat& orient, MWWorld::Ptr bow, float speed)
     {
-#if 0
         mProjectileManager->launchProjectile(actor, projectile, worldPos, orient, bow, speed);
-#endif
     }
 
     void World::launchMagicBolt (const std::string& model, const std::string &sound, const std::string &spellId,
                                  float speed, bool stack, const ESM::EffectList& effects,
-                                   const MWWorld::Ptr& caster, const std::string& sourceName, const Ogre::Vector3& fallbackDirection)
+                                   const MWWorld::Ptr& caster, const std::string& sourceName, const osg::Vec3f& fallbackDirection)
     {
-#if 0
         mProjectileManager->launchMagicBolt(model, sound, spellId, speed, stack, effects, caster, sourceName, fallbackDirection);
-#endif
     }
 
     const std::vector<std::string>& World::getContentFiles() const
@@ -3181,7 +3155,7 @@ namespace MWWorld
         mRendering->spawnEffect(model, textureOverride, worldPos);
     }
 
-    void World::explodeSpell(const Ogre::Vector3 &origin, const ESM::EffectList &effects, const Ptr &caster, ESM::RangeType rangeType,
+    void World::explodeSpell(const osg::Vec3f &origin, const ESM::EffectList &effects, const Ptr &caster, ESM::RangeType rangeType,
                              const std::string& id, const std::string& sourceName)
     {
         std::map<MWWorld::Ptr, std::vector<ESM::ENAMstruct> > toApply;
@@ -3200,7 +3174,7 @@ namespace MWWorld
             else
                 areaStatic = getStore().get<ESM::Static>().find ("VFX_DefaultArea");
 
-            mRendering->spawnEffect("meshes\\" + areaStatic->mModel, "", osg::Vec3f(origin.x, origin.y, origin.z), static_cast<float>(effectIt->mArea));
+            mRendering->spawnEffect("meshes\\" + areaStatic->mModel, "", origin, static_cast<float>(effectIt->mArea));
 
             // Play explosion sound (make sure to use NoTrack, since we will delete the projectile now)
             static const std::string schools[] = {
@@ -3209,9 +3183,9 @@ namespace MWWorld
             {
                 MWBase::SoundManager *sndMgr = MWBase::Environment::get().getSoundManager();
                 if(!effect->mAreaSound.empty())
-                    sndMgr->playManualSound3D(osg::Vec3f(origin.x, origin.y, origin.z), effect->mAreaSound, 1.0f, 1.0f, MWBase::SoundManager::Play_TypeSfx, MWBase::SoundManager::Play_NoTrack);
+                    sndMgr->playManualSound3D(origin, effect->mAreaSound, 1.0f, 1.0f, MWBase::SoundManager::Play_TypeSfx, MWBase::SoundManager::Play_NoTrack);
                 else
-                    sndMgr->playManualSound3D(osg::Vec3f(origin.x, origin.y, origin.z), schools[effect->mData.mSchool]+" area", 1.0f, 1.0f, MWBase::SoundManager::Play_TypeSfx, MWBase::SoundManager::Play_NoTrack);
+                    sndMgr->playManualSound3D(origin, schools[effect->mData.mSchool]+" area", 1.0f, 1.0f, MWBase::SoundManager::Play_TypeSfx, MWBase::SoundManager::Play_NoTrack);
             }
             // Get the actors in range of the effect
             std::vector<MWWorld::Ptr> objects;
diff --git a/apps/openmw/mwworld/worldimp.hpp b/apps/openmw/mwworld/worldimp.hpp
index b1718f0304..4c4df2c995 100644
--- a/apps/openmw/mwworld/worldimp.hpp
+++ b/apps/openmw/mwworld/worldimp.hpp
@@ -455,7 +455,7 @@ namespace MWWorld
             ///Is the head of the creature underwater?
             virtual bool isSubmerged(const MWWorld::Ptr &object) const;
             virtual bool isSwimming(const MWWorld::Ptr &object) const;
-            virtual bool isUnderwater(const MWWorld::CellStore* cell, const Ogre::Vector3 &pos) const;
+            virtual bool isUnderwater(const MWWorld::CellStore* cell, const osg::Vec3f &pos) const;
             virtual bool isWading(const MWWorld::Ptr &object) const;
             virtual bool isOnGround(const MWWorld::Ptr &ptr) const;
 
@@ -572,7 +572,7 @@ namespace MWWorld
 
             virtual void launchMagicBolt (const std::string& model, const std::string& sound, const std::string& spellId,
                                           float speed, bool stack, const ESM::EffectList& effects,
-                                           const MWWorld::Ptr& caster, const std::string& sourceName, const Ogre::Vector3& fallbackDirection);
+                                           const MWWorld::Ptr& caster, const std::string& sourceName, const osg::Vec3f& fallbackDirection);
             virtual void launchProjectile (MWWorld::Ptr actor, MWWorld::Ptr projectile,
                                            const osg::Vec3f& worldPos, const osg::Quat& orient, MWWorld::Ptr bow, float speed);
 
@@ -613,7 +613,7 @@ namespace MWWorld
 
             virtual void spawnEffect (const std::string& model, const std::string& textureOverride, const osg::Vec3f& worldPos);
 
-            virtual void explodeSpell (const Ogre::Vector3& origin, const ESM::EffectList& effects,
+            virtual void explodeSpell (const osg::Vec3f& origin, const ESM::EffectList& effects,
                                        const MWWorld::Ptr& caster, ESM::RangeType rangeType, const std::string& id, const std::string& sourceName);
 
             virtual void activate (const MWWorld::Ptr& object, const MWWorld::Ptr& actor);
diff --git a/components/esm/projectilestate.hpp b/components/esm/projectilestate.hpp
index 51cd5d8c40..38429e4595 100644
--- a/components/esm/projectilestate.hpp
+++ b/components/esm/projectilestate.hpp
@@ -3,8 +3,8 @@
 
 #include <string>
 
-#include <OgreVector3.h>
-#include <OgreQuaternion.h>
+#include <osg/Quat>
+#include <osg/Vec3f>
 
 #include "effectlist.hpp"
 
diff --git a/components/esm/util.hpp b/components/esm/util.hpp
index bb7f3cf7cd..07a7655c74 100644
--- a/components/esm/util.hpp
+++ b/components/esm/util.hpp
@@ -4,6 +4,9 @@
 #include <OgreVector3.h>
 #include <OgreQuaternion.h>
 
+#include <osg/Vec3f>
+#include <osg/Quat>
+
 namespace ESM
 {
 
@@ -21,11 +24,23 @@ struct Quaternion
         mValues[2] = q.y;
         mValues[3] = q.z;
     }
+    Quaternion(const osg::Quat& q)
+    {
+        mValues[0] = q.w();
+        mValues[1] = q.x();
+        mValues[2] = q.y();
+        mValues[3] = q.z();
+    }
 
     operator Ogre::Quaternion () const
     {
         return Ogre::Quaternion(mValues[0], mValues[1], mValues[2], mValues[3]);
     }
+
+    operator osg::Quat () const
+    {
+        return osg::Quat(mValues[1], mValues[2], mValues[3], mValues[0]);
+    }
 };
 
 struct Vector3
@@ -39,11 +54,22 @@ struct Vector3
         mValues[1] = v.y;
         mValues[2] = v.z;
     }
+    Vector3(const osg::Vec3f& v)
+    {
+        mValues[0] = v.x();
+        mValues[1] = v.y();
+        mValues[2] = v.z();
+    }
 
     operator Ogre::Vector3 () const
     {
         return Ogre::Vector3(&mValues[0]);
     }
+
+    operator osg::Vec3f () const
+    {
+        return osg::Vec3f(mValues[0], mValues[1], mValues[2]);
+    }
 };
 
 }