diff --git a/src/graphics/engine/camera.cpp b/src/graphics/engine/camera.cpp
index 05945529..1396d001 100644
--- a/src/graphics/engine/camera.cpp
+++ b/src/graphics/engine/camera.cpp
@@ -934,9 +934,9 @@ bool CCamera::IsCollisionBack(Math::Vector &eye, Math::Vector lookat)
              oType == OBJECT_BEE    ||
              oType == OBJECT_WORM   )  continue;
 
-        Math::Vector oPos;
-        float oRadius = 0.0f;
-        obj->GetGlobalSphere(oPos, oRadius);
+        Math::Sphere objSphere = obj->GetCameraCollisionSphere();
+        Math::Vector oPos = objSphere.pos;
+        float oRadius = objSphere.radius;
         if ( oRadius <= 2.0f )  continue;  // ignores small objects
 
         if ( oPos.x+oRadius < min.x ||
@@ -995,9 +995,9 @@ bool CCamera::IsCollisionFix(Math::Vector &eye, Math::Vector lookat)
              type == OBJECT_BEE     ||
              type == OBJECT_WORM )  continue;
 
-        Math::Vector objPos;
-        float objRadius = 0.0f;
-        obj->GetGlobalSphere(objPos, objRadius);
+        Math::Sphere objSphere = obj->GetCameraCollisionSphere();
+        Math::Vector objPos = objSphere.pos;
+        float objRadius = objSphere.radius;
         if (objRadius == 0.0f) continue;
 
         float dist = Math::Distance(eye, objPos);
diff --git a/src/object/auto/autovault.cpp b/src/object/auto/autovault.cpp
index 50b35cd6..5cf9c4a0 100644
--- a/src/object/auto/autovault.cpp
+++ b/src/object/auto/autovault.cpp
@@ -240,7 +240,7 @@ bool CAutoVault::EventProcess(const Event &event)
             }
 
             m_object->DeleteAllCrashSpheres();
-            m_object->SetGlobalSphere(Math::Vector(0.0f, 0.0f, 0.0f), 0.0f);
+            m_object->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 0.0f, 0.0f), 0.0f));
 
             m_sound->Play(SOUND_FINDING, m_object->GetPosition(0));
 
diff --git a/src/object/interface/powered_object.h b/src/object/interface/powered_object.h
index 23baf6b2..254a26c4 100644
--- a/src/object/interface/powered_object.h
+++ b/src/object/interface/powered_object.h
@@ -27,6 +27,10 @@ class CObject;
 /**
  * \class CPoweredObject
  * \brief Interface for objects powered using power cells
+ *
+ * TODO: It currently includes objects that take other objects as input
+ *       and convert them, for example PowerPlant.
+ *       We should create a dedicated interface for such uses.
  */
 class CPoweredObject
 {
diff --git a/src/object/motion/motionant.cpp b/src/object/motion/motionant.cpp
index 74d3842e..00001975 100644
--- a/src/object/motion/motionant.cpp
+++ b/src/object/motion/motionant.cpp
@@ -86,7 +86,7 @@ void CMotionAnt::Create(Math::Vector pos, float angle, ObjectType type,
     // A vehicle must have necessarily a collision
     //with a sphere of center (0, y, 0) (see GetCrashSphere).
     m_object->AddCrashSphere(CrashSphere(Math::Vector(0.0f, -2.0f, 0.0f), 4.0f, SOUND_BOUM, 0.20f));
-    m_object->SetGlobalSphere(Math::Vector(-0.5f, 1.0f, 0.0f), 4.0f);
+    m_object->SetCameraCollisionSphere(Math::Sphere(Math::Vector(-0.5f, 1.0f, 0.0f), 4.0f));
 
     // Creates the head.
     rank = m_engine->CreateObject();
diff --git a/src/object/motion/motionbee.cpp b/src/object/motion/motionbee.cpp
index 9d4c5daa..aa2cd903 100644
--- a/src/object/motion/motionbee.cpp
+++ b/src/object/motion/motionbee.cpp
@@ -86,7 +86,7 @@ void CMotionBee::Create(Math::Vector pos, float angle, ObjectType type,
     // A vehicle must have an obligatory collision
     // with a sphere of center (0, y, 0) (see GetCrashSphere).
     m_object->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 0.0f, 0.0f), 4.0f, SOUND_BOUM, 0.20f));
-    m_object->SetGlobalSphere(Math::Vector(-1.0f, 1.0f, 0.0f), 5.0f);
+    m_object->SetCameraCollisionSphere(Math::Sphere(Math::Vector(-1.0f, 1.0f, 0.0f), 5.0f));
 
     // Creates the head.
     rank = m_engine->CreateObject();
diff --git a/src/object/motion/motionhuman.cpp b/src/object/motion/motionhuman.cpp
index f2cc2255..ec07a2a3 100644
--- a/src/object/motion/motionhuman.cpp
+++ b/src/object/motion/motionhuman.cpp
@@ -151,7 +151,7 @@ void CMotionHuman::Create(Math::Vector pos, float angle, ObjectType type,
 
     // A vehicle must have an obligatory collision with a sphere of center (0, y, 0) (see GetCrashSphere).
     m_object->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 0.0f, 0.0f), 2.0f, SOUND_AIE, 0.20f));
-    m_object->SetGlobalSphere(Math::Vector(0.0f, 1.0f, 0.0f), 4.0f);
+    m_object->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 1.0f, 0.0f), 4.0f));
 
     // Creates the head.
     rank = m_engine->CreateObject();
diff --git a/src/object/motion/motionqueen.cpp b/src/object/motion/motionqueen.cpp
index 1aa90832..e45e2564 100644
--- a/src/object/motion/motionqueen.cpp
+++ b/src/object/motion/motionqueen.cpp
@@ -85,7 +85,7 @@ void CMotionQueen::Create(Math::Vector pos, float angle, ObjectType type,
     // A vehicle must have a obligatory collision
     //with a sphere of center (0, y, 0) (see GetCrashSphere).
     m_object->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 0.0f, 0.0f), 20.0f, SOUND_BOUM, 0.20f));
-    m_object->SetGlobalSphere(Math::Vector(-2.0f, 10.0f, 0.0f), 25.0f);
+    m_object->SetCameraCollisionSphere(Math::Sphere(Math::Vector(-2.0f, 10.0f, 0.0f), 25.0f));
 
     // Creates the head.
     rank = m_engine->CreateObject();
diff --git a/src/object/motion/motionspider.cpp b/src/object/motion/motionspider.cpp
index dcb1f715..72ceaa6b 100644
--- a/src/object/motion/motionspider.cpp
+++ b/src/object/motion/motionspider.cpp
@@ -111,7 +111,7 @@ void CMotionSpider::Create(Math::Vector pos, float angle, ObjectType type,
     // A vehicle must have a obligatory collision
     // with a sphere of center (0, y, 0) (see GetCrashSphere).
     m_object->AddCrashSphere(CrashSphere(Math::Vector(0.0f, -2.0f, 0.0f), 4.0f, SOUND_BOUM, 0.20f));
-    m_object->SetGlobalSphere(Math::Vector(-0.5f, 1.0f, 0.0f), 4.0f);
+    m_object->SetCameraCollisionSphere(Math::Sphere(Math::Vector(-0.5f, 1.0f, 0.0f), 4.0f));
 
     // Creates the abdomen.
     rank = m_engine->CreateObject();
diff --git a/src/object/motion/motionvehicle.cpp b/src/object/motion/motionvehicle.cpp
index 8b377383..2dded3ff 100644
--- a/src/object/motion/motionvehicle.cpp
+++ b/src/object/motion/motionvehicle.cpp
@@ -194,17 +194,17 @@ void CMotionVehicle::Create(Math::Vector pos, float angle, ObjectType type,
         type == OBJECT_MOBILErs)
     {
         m_object->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 4.0f, 0.0f), 6.5f, SOUND_BOUMm, 0.45f));
-        m_object->SetGlobalSphere(Math::Vector(0.0f, 3.0f, 0.0f), 7.0f);
+        m_object->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 3.0f, 0.0f), 7.0f));
     }
     else if (type == OBJECT_MOBILEsa)
     {
         m_object->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 3.0f, 0.0f), 4.5f, SOUND_BOUMm, 0.45f));
-        m_object->SetGlobalSphere(Math::Vector(0.0f, 3.0f, 0.0f), 6.0f);
+        m_object->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 3.0f, 0.0f), 6.0f));
     }
     else if (type == OBJECT_MOBILEdr)
     {
         m_object->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 3.0f, 0.0f), 5.0f, SOUND_BOUMm, 0.45f));
-        m_object->SetGlobalSphere(Math::Vector(0.0f, 3.0f, 0.0f), 7.0f);
+        m_object->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 3.0f, 0.0f), 7.0f));
     }
     else if (type == OBJECT_APOLLO2)
     {
@@ -213,7 +213,7 @@ void CMotionVehicle::Create(Math::Vector pos, float angle, ObjectType type,
     else
     {
         m_object->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 3.0f, 0.0f), 4.5f, SOUND_BOUMm, 0.45f));
-        m_object->SetGlobalSphere(Math::Vector(0.0f, 4.0f, 0.0f), 6.0f);
+        m_object->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 4.0f, 0.0f), 6.0f));
     }
 
     if (type == OBJECT_MOBILEfa ||
diff --git a/src/object/motion/motionworm.cpp b/src/object/motion/motionworm.cpp
index ed271545..062dfd42 100644
--- a/src/object/motion/motionworm.cpp
+++ b/src/object/motion/motionworm.cpp
@@ -98,7 +98,7 @@ void CMotionWorm::Create(Math::Vector pos, float angle, ObjectType type,
 
     // A vehicle must have a obligatory collision with a sphere of center (0, y, 0) (see GetCrashSphere).
     m_object->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 0.0f, 0.0f), 4.0f, SOUND_BOUM, 0.20f));
-    m_object->SetGlobalSphere(Math::Vector(0.0f, 0.0f, 0.0f), 5.0f);
+    m_object->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 0.0f, 0.0f), 5.0f));
 
     px = 1.0f+WORM_PART/2;
 
diff --git a/src/object/object.cpp b/src/object/object.cpp
index 998bcca9..faf6954b 100644
--- a/src/object/object.cpp
+++ b/src/object/object.cpp
@@ -48,3 +48,16 @@ void CObject::DeleteAllCrashSpheres()
 {
     m_crashSpheres.clear();
 }
+
+void CObject::SetCameraCollisionSphere(const Math::Sphere& sphere)
+{
+    m_cameraCollisionSphere = sphere;
+}
+
+Math::Sphere CObject::GetCameraCollisionSphere()
+{
+    Math::Sphere transformedSphere = m_cameraCollisionSphere;
+    TransformCrashSphere(transformedSphere);
+    return transformedSphere;
+}
+
diff --git a/src/object/object.h b/src/object/object.h
index 2465c475..f31d92b3 100644
--- a/src/object/object.h
+++ b/src/object/object.h
@@ -95,13 +95,22 @@ public:
     //! Removes all crash spheres
     void DeleteAllCrashSpheres();
 
+    //! Returns sphere used to test for camera collisions
+    Math::Sphere GetCameraCollisionSphere();
+    //! Sets sphere used to test for camera collisions
+    // TODO: remove from here once no longer necessary
+    void SetCameraCollisionSphere(const Math::Sphere& sphere);
+
 protected:
     //! Transform crash sphere by object's world matrix
     virtual void TransformCrashSphere(Math::Sphere& crashSphere) = 0;
+    //! Transform crash sphere by object's world matrix
+    virtual void TransformCameraCollisionSphere(Math::Sphere& collisionSphere) = 0;
 
 protected:
     const int m_id; //!< unique identifier
     ObjectType m_type; //!< object type
     ObjectInterfaceTypes m_implementedInterfaces; //!< interfaces that the object implements
     std::vector<CrashSphere> m_crashSpheres; //!< crash spheres
+    Math::Sphere m_cameraCollisionSphere;
 };
diff --git a/src/object/object_factory.cpp b/src/object/object_factory.cpp
index 53a6336d..94578c47 100644
--- a/src/object/object_factory.cpp
+++ b/src/object/object_factory.cpp
@@ -398,7 +398,7 @@ CObjectUPtr CObjectFactory::CreateBuilding(const ObjectCreateParams& params)
         obj->AddCrashSphere(CrashSphere(Math::Vector(-32.0f, 45.0f,  32.0f), 10.0f, SOUND_BOUMm, 0.45f));
         obj->AddCrashSphere(CrashSphere(Math::Vector( 32.0f, 45.0f, -32.0f), 10.0f, SOUND_BOUMm, 0.45f));
         obj->AddCrashSphere(CrashSphere(Math::Vector( 32.0f, 45.0f,  32.0f), 10.0f, SOUND_BOUMm, 0.45f));
-        obj->SetGlobalSphere(Math::Vector(0.0f, 35.0f, 0.0f), 50.0f);
+        obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 35.0f, 0.0f), 50.0f));
 
         obj->CreateShadowCircle(50.0f, 1.0f);
     }
@@ -461,7 +461,7 @@ CObjectUPtr CObjectFactory::CreateBuilding(const ObjectCreateParams& params)
         obj->AddCrashSphere(CrashSphere(Math::Vector(-13.0f, 94.0f, -13.0f), 10.0f, SOUND_BOUMm, 0.45f));
         obj->AddCrashSphere(CrashSphere(Math::Vector(  0.0f,104.0f,   0.0f), 14.0f, SOUND_BOUMm, 0.45f));
 
-        obj->SetGlobalSphere(Math::Vector(0.0f, 45.0f, 0.0f), 10.0f);
+        obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 45.0f, 0.0f), 10.0f));
 
         obj->CreateShadowCircle(60.0f, 1.0f);
         obj->SetShowLimitRadius(200.0f);
@@ -487,7 +487,7 @@ CObjectUPtr CObjectFactory::CreateBuilding(const ObjectCreateParams& params)
         obj->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 17.0f, 0.0f), 6.0f, SOUND_BOUMm, 0.45f));
         obj->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 26.0f, 0.0f), 3.0f, SOUND_BOUMm, 0.45f));
         obj->AddCrashSphere(CrashSphere(Math::Vector(7.0f, 17.0f, 0.0f), 3.0f, SOUND_BOUMm, 0.45f));
-        obj->SetGlobalSphere(Math::Vector(0.0f, 10.0f, 0.0f), 10.0f);
+        obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 10.0f, 0.0f), 10.0f));
 
         obj->CreateShadowCircle(10.0f, 0.4f);
     }
@@ -517,7 +517,7 @@ CObjectUPtr CObjectFactory::CreateBuilding(const ObjectCreateParams& params)
         obj->AddCrashSphere(CrashSphere(Math::Vector(0.0f,  0.0f, 0.0f), 9.0f, SOUND_BOUMm, 0.45f));
         obj->AddCrashSphere(CrashSphere(Math::Vector(0.0f,  6.0f, 0.0f), 9.0f, SOUND_BOUMm, 0.45f));
         obj->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 14.0f, 0.0f), 7.0f, SOUND_BOUMm, 0.45f));
-        obj->SetGlobalSphere(Math::Vector(0.0f, 8.0f, 0.0f), 12.0f);
+        obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 8.0f, 0.0f), 12.0f));
 
         obj->GetCharacter()->posPower = Math::Vector(7.5f, 3.0f, 0.0f);
 
@@ -555,7 +555,7 @@ CObjectUPtr CObjectFactory::CreateBuilding(const ObjectCreateParams& params)
 
         obj->AddCrashSphere(CrashSphere(Math::Vector(0.0f,  3.0f, 0.0f), 6.0f, SOUND_BOUMm, 0.45f));
         obj->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 11.0f, 0.0f), 6.0f, SOUND_BOUMm, 0.45f));
-        obj->SetGlobalSphere(Math::Vector(0.0f, 7.0f, 0.0f), 7.0f);
+        obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 7.0f, 0.0f), 7.0f));
 
         obj->CreateShadowCircle(8.0f, 1.0f);
     }
@@ -570,7 +570,7 @@ CObjectUPtr CObjectFactory::CreateBuilding(const ObjectCreateParams& params)
         obj->AddCrashSphere(CrashSphere(Math::Vector(-2.0f, 13.0f, 0.0f), 6.0f, SOUND_BOUMm, 0.45f));
         obj->AddCrashSphere(CrashSphere(Math::Vector(-7.0f,  3.0f, 0.0f), 5.0f, SOUND_BOUMm, 0.45f));
         obj->AddCrashSphere(CrashSphere(Math::Vector( 0.0f,  1.0f, 0.0f), 1.5f, SOUND_BOUMm, 0.45f));
-        obj->SetGlobalSphere(Math::Vector(-7.0f, 5.0f, 0.0f), 5.0f);
+        obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(-7.0f, 5.0f, 0.0f), 5.0f));
 
         obj->GetCharacter()->posPower = Math::Vector(0.0f, 3.0f, 0.0f);
         obj->SetEnergy(power);  // initializes the energy level
@@ -631,7 +631,7 @@ CObjectUPtr CObjectFactory::CreateBuilding(const ObjectCreateParams& params)
         obj->AddCrashSphere(CrashSphere(Math::Vector(-10.0f, 10.0f,  0.0f), 4.0f, SOUND_BOUMm, 0.45f));
         obj->AddCrashSphere(CrashSphere(Math::Vector(-12.0f,  3.0f,  3.0f), 4.0f, SOUND_BOUMm, 0.45f));
         obj->AddCrashSphere(CrashSphere(Math::Vector(-12.0f,  3.0f, -3.0f), 4.0f, SOUND_BOUMm, 0.45f));
-        obj->SetGlobalSphere(Math::Vector(-10.0f, 5.0f, 0.0f), 7.0f);
+        obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(-10.0f, 5.0f, 0.0f), 7.0f));
 
         obj->GetCharacter()->posPower = Math::Vector(0.0f, 3.0f, 0.0f);
 
@@ -690,7 +690,7 @@ CObjectUPtr CObjectFactory::CreateBuilding(const ObjectCreateParams& params)
             obj->AddCrashSphere(CrashSphere(Math::Vector(-10.0f,  9.0f,  4.0f*s), 4.0f, SOUND_BOUMm, 0.45f));
         }
         obj->AddCrashSphere(CrashSphere(Math::Vector(-10.0f, 21.0f, -4.0f), 3.0f, SOUND_BOUMm, 0.45f));
-        obj->SetGlobalSphere(Math::Vector(0.0f, 10.0f, 0.0f), 18.0f);
+        obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 10.0f, 0.0f), 18.0f));
 
         obj->CreateShadowCircle(24.0f, 0.3f);
     }
@@ -716,7 +716,7 @@ CObjectUPtr CObjectFactory::CreateBuilding(const ObjectCreateParams& params)
         obj->AddCrashSphere(CrashSphere(Math::Vector(-11.0f,  0.0f,  0.0f), 5.0f, SOUND_BOUMm, 0.45f));
         obj->AddCrashSphere(CrashSphere(Math::Vector(-11.0f,  0.0f, -4.0f), 5.0f, SOUND_BOUMm, 0.45f));
         obj->AddCrashSphere(CrashSphere(Math::Vector(-11.0f, 10.0f,  0.0f), 5.0f, SOUND_BOUMm, 0.45f));
-        obj->SetGlobalSphere(Math::Vector(-11.0f, 13.0f, 0.0f), 15.0f);
+        obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(-11.0f, 13.0f, 0.0f), 15.0f));
     }
 
     if ( type == OBJECT_DESTROYER )
@@ -754,7 +754,7 @@ CObjectUPtr CObjectFactory::CreateBuilding(const ObjectCreateParams& params)
 
         obj->AddCrashSphere(CrashSphere(Math::Vector(-15.0f, 2.0f, 0.0f), 5.0f, SOUND_BOUMm, 0.45f));
         obj->AddCrashSphere(CrashSphere(Math::Vector(-15.0f, 6.0f, 0.0f), 4.0f, SOUND_BOUMm, 0.45f));
-        obj->SetGlobalSphere(Math::Vector(-15.0f, 5.0f, 0.0f), 6.0f);
+        obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(-15.0f, 5.0f, 0.0f), 6.0f));
 
         obj->SetEnergy(power);
     }
@@ -796,7 +796,7 @@ CObjectUPtr CObjectFactory::CreateBuilding(const ObjectCreateParams& params)
         obj->AddCrashSphere(CrashSphere(Math::Vector(-10.0f,  2.0f, -4.0f), 5.0f, SOUND_BOUMm, 0.45f));
         obj->AddCrashSphere(CrashSphere(Math::Vector(-10.0f,  9.0f,  0.0f), 6.0f, SOUND_BOUMm, 0.45f));
         obj->AddCrashSphere(CrashSphere(Math::Vector(  0.0f, 14.0f,  0.0f), 1.5f, SOUND_BOUMm, 0.45f));
-        obj->SetGlobalSphere(Math::Vector(-3.0f, 8.0f, 0.0f), 14.0f);
+        obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(-3.0f, 8.0f, 0.0f), 14.0f));
     }
 
     if ( type == OBJECT_TOWER )
@@ -826,7 +826,7 @@ CObjectUPtr CObjectFactory::CreateBuilding(const ObjectCreateParams& params)
         obj->AddCrashSphere(CrashSphere(Math::Vector(0.0f,  8.0f, 0.0f), 4.0f, SOUND_BOUMm, 0.45f));
         obj->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 15.0f, 0.0f), 5.0f, SOUND_BOUMm, 0.45f));
         obj->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 24.0f, 0.0f), 5.0f, SOUND_BOUMm, 0.45f));
-        obj->SetGlobalSphere(Math::Vector(0.0f, 5.0f, 0.0f), 7.0f);
+        obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 5.0f, 0.0f), 7.0f));
 
         obj->GetCharacter()->posPower = Math::Vector(5.0f, 3.0f, 0.0f);
 
@@ -852,7 +852,7 @@ CObjectUPtr CObjectFactory::CreateBuilding(const ObjectCreateParams& params)
         obj->AddCrashSphere(CrashSphere(Math::Vector( 0.0f,  0.0f, 0.0f), 19.0f, SOUND_BOUMm, 0.45f));
         obj->AddCrashSphere(CrashSphere(Math::Vector( 0.0f, 24.0f, 0.0f), 15.0f, SOUND_BOUMm, 0.45f));
         obj->AddCrashSphere(CrashSphere(Math::Vector(22.0f,  1.0f, 0.0f),  1.5f, SOUND_BOUMm, 0.45f));
-        obj->SetGlobalSphere(Math::Vector(0.0f, 17.0f, 0.0f), 26.0f);
+        obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 17.0f, 0.0f), 26.0f));
 
         obj->GetCharacter()->posPower = Math::Vector(22.0f, 3.0f, 0.0f);
 
@@ -878,7 +878,7 @@ CObjectUPtr CObjectFactory::CreateBuilding(const ObjectCreateParams& params)
         obj->AddCrashSphere(CrashSphere(Math::Vector(-11.0f, 15.0f, -11.0f),  2.0f, SOUND_BOUMm, 0.45f));
         obj->AddCrashSphere(CrashSphere(Math::Vector(  0.0f, 26.0f,   0.0f),  9.0f, SOUND_BOUMm, 0.45f));
         obj->AddCrashSphere(CrashSphere(Math::Vector(  0.0f, 54.0f,   0.0f), 14.0f, SOUND_BOUMm, 0.45f));
-        obj->SetGlobalSphere(Math::Vector(0.0f, 10.0f, 0.0f), 20.0f);
+        obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 10.0f, 0.0f), 20.0f));
 
         obj->CreateShadowCircle(21.0f, 1.0f);
         obj->SetShowLimitRadius(Gfx::LTNG_PROTECTION_RADIUS);
@@ -908,7 +908,7 @@ CObjectUPtr CObjectFactory::CreateBuilding(const ObjectCreateParams& params)
         m_terrain->AddBuildingLevel(pos, 18.0f, 20.0f, 1.0f, 0.5f);
 
         obj->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 1.0f, 0.0f), 13.0f, SOUND_BOUMm, 0.45f));
-        obj->SetGlobalSphere(Math::Vector(0.0f, 1.0f, 0.0f), 13.0f);
+        obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 1.0f, 0.0f), 13.0f));
 
         obj->CreateShadowCircle(23.0f, 1.0f);
     }
@@ -1042,7 +1042,7 @@ CObjectUPtr CObjectFactory::CreateBuilding(const ObjectCreateParams& params)
 
         pPower->obj->SetPosition(0, GetCharacter()->posPower);
         pPower->obj->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 1.0f, 0.0f), 1.0f, SOUND_BOUMm, 0.45f));
-        pPower->obj->SetGlobalSphere(Math::Vector(0.0f, 1.0f, 0.0f), 1.5f);
+        pPower->obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 1.0f, 0.0f), 1.5f));
 
         pPower->SetTransporter(obj.get());
         SetPower(pPower);
@@ -1145,19 +1145,19 @@ CObjectUPtr CObjectFactory::CreateResource(const ObjectCreateParams& params)
     else if ( type == OBJECT_EGG )
     {
         obj->AddCrashSphere(CrashSphere(Math::Vector(-1.0f, 2.8f, 0.0f), 3.0f, SOUND_BOUMm, 0.45f));
-        obj->SetGlobalSphere(Math::Vector(0.0f, 5.0f, 0.0f), 10.0f);
+        obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 5.0f, 0.0f), 10.0f));
         radius = 3.0f;
     }
     else if ( type == OBJECT_BOMB )
     {
         obj->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 0.0f, 0.0f), 3.0f, SOUND_BOUMm, 0.45f));
-        obj->SetGlobalSphere(Math::Vector(0.0f, 0.0f, 0.0f), 3.0f);
+        obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 0.0f, 0.0f), 3.0f));
         radius = 3.0f;
     }
     else if ( type == OBJECT_BAG )
     {
         obj->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 0.0f, 0.0f), 4.0f, SOUND_BOUMm, 0.45f));
-        obj->SetGlobalSphere(Math::Vector(0.0f, 0.0f, 0.0f), 4.0f);
+        obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 0.0f, 0.0f), 4.0f));
         obj->SetZoom(0, 1.5f);
         radius =  5.0f;
         height = -1.4f;
@@ -1165,7 +1165,7 @@ CObjectUPtr CObjectFactory::CreateResource(const ObjectCreateParams& params)
     else
     {
         obj->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 1.0f, 0.0f), 1.0f, SOUND_BOUMm, 0.45f));
-        obj->SetGlobalSphere(Math::Vector(0.0f, 1.0f, 0.0f), 1.5f);
+        obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 1.0f, 0.0f), 1.5f));
     }
 
     obj->CreateShadowCircle(radius, 1.0f);
@@ -1372,7 +1372,7 @@ CObjectUPtr CObjectFactory::CreatePlant(const ObjectCreateParams& params)
         height -= 2.0f;
 
         obj->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 0.0f, 0.0f), 4.0f, SOUND_BOUM, 0.10f));
-        obj->SetGlobalSphere(Math::Vector(0.0f, 3.0f, 0.0f), 6.0f);
+        obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 3.0f, 0.0f), 6.0f));
         obj->SetJostlingSphere(Math::Sphere(Math::Vector(0.0f, 0.0f, 0.0f), 8.0f));
 
         obj->CreateShadowCircle(8.0f, 0.5f);
@@ -1432,7 +1432,7 @@ CObjectUPtr CObjectFactory::CreatePlant(const ObjectCreateParams& params)
         obj->SetAngleY(0, angle);
 
         obj->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 12.0f, 0.0f), 5.0f, SOUND_BOUM, 0.10f));
-        obj->SetGlobalSphere(Math::Vector(0.0f, 6.0f, 0.0f), 6.0f);
+        obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 6.0f, 0.0f), 6.0f));
         obj->SetJostlingSphere(Math::Sphere(Math::Vector(0.0f, 4.0f, 0.0f), 8.0f));
 
         obj->CreateShadowCircle(8.0f, 0.3f);
@@ -1458,7 +1458,7 @@ CObjectUPtr CObjectFactory::CreatePlant(const ObjectCreateParams& params)
         if ( type != OBJECT_PLANT19 )
         {
             obj->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 0.0f, 0.0f), 4.0f, SOUND_BOUM, 0.10f));
-            obj->SetGlobalSphere(Math::Vector(0.0f, 3.0f, 0.0f), 6.0f);
+            obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 3.0f, 0.0f), 6.0f));
         }
         obj->SetJostlingSphere(Math::Sphere(Math::Vector(0.0f, 0.0f, 0.0f), 8.0f));
 
@@ -1603,7 +1603,7 @@ CObjectUPtr CObjectFactory::CreateMushroom(const ObjectCreateParams& params)
         obj->SetAngleY(0, angle);
 
         obj->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 4.0f, 0.0f), 3.0f, SOUND_BOUM, 0.10f));
-        obj->SetGlobalSphere(Math::Vector(0.0f, 3.0f, 0.0f), 5.5f);
+        obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 3.0f, 0.0f), 5.5f));
         obj->SetJostlingSphere(Math::Sphere(Math::Vector(0.0f, 3.0f, 0.0f), 5.5f));
 
         obj->CreateShadowCircle(6.0f, 0.5f);
@@ -1619,7 +1619,7 @@ CObjectUPtr CObjectFactory::CreateMushroom(const ObjectCreateParams& params)
         obj->SetAngleY(0, angle);
 
         obj->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 5.0f, 0.0f), 3.0f, SOUND_BOUM, 0.10f));
-        obj->SetGlobalSphere(Math::Vector(0.0f, 4.0f, 0.0f), 5.5f);
+        obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 4.0f, 0.0f), 5.5f));
         obj->SetJostlingSphere(Math::Sphere(Math::Vector(0.0f, 4.0f, 0.0f), 5.5f));
 
         obj->CreateShadowCircle(5.0f, 0.5f);
@@ -1661,7 +1661,7 @@ CObjectUPtr CObjectFactory::CreateQuartz(const ObjectCreateParams& params)
         obj->SetAngleY(0, angle);
 
         obj->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 2.0f, 0.0f), 3.5f, SOUND_BOUMm, 0.45f));
-        obj->SetGlobalSphere(Math::Vector(0.0f, 2.0f, 0.0f), 3.5f);
+        obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 2.0f, 0.0f), 3.5f));
 
         obj->CreateShadowCircle(4.0f, 0.5f);
     }
@@ -1675,7 +1675,7 @@ CObjectUPtr CObjectFactory::CreateQuartz(const ObjectCreateParams& params)
         obj->SetAngleY(0, angle);
 
         obj->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 4.0f, 0.0f), 5.0f, SOUND_BOUMm, 0.45f));
-        obj->SetGlobalSphere(Math::Vector(0.0f, 4.0f, 0.0f), 5.0f);
+        obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 4.0f, 0.0f), 5.0f));
 
         obj->CreateShadowCircle(5.0f, 0.5f);
     }
@@ -1689,7 +1689,7 @@ CObjectUPtr CObjectFactory::CreateQuartz(const ObjectCreateParams& params)
         obj->SetAngleY(0, angle);
 
         obj->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 6.0f, 0.0f), 6.0f, SOUND_BOUMm, 0.45f));
-        obj->SetGlobalSphere(Math::Vector(0.0f, 6.0f, 0.0f), 6.0f);
+        obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 6.0f, 0.0f), 6.0f));
 
         obj->CreateShadowCircle(6.0f, 0.5f);
     }
@@ -1703,7 +1703,7 @@ CObjectUPtr CObjectFactory::CreateQuartz(const ObjectCreateParams& params)
         obj->SetAngleY(0, angle);
 
         obj->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 10.0f, 0.0f), 10.0f, SOUND_BOUMm, 0.45f));
-        obj->SetGlobalSphere(Math::Vector(0.0f, 10.0f, 0.0f), 10.0f);
+        obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 10.0f, 0.0f), 10.0f));
 
         obj->CreateShadowCircle(10.0f, 0.5f);
     }
@@ -1774,7 +1774,7 @@ CObjectUPtr CObjectFactory::CreateRoot(const ObjectCreateParams& params)
         obj->AddCrashSphere(CrashSphere(Math::Vector(-4.0f,  5.0f, -1.0f), 1.0f, SOUND_BOUMv, 0.15f));
         obj->AddCrashSphere(CrashSphere(Math::Vector(-2.0f,  8.0f, -0.5f), 1.0f, SOUND_BOUMv, 0.15f));
         obj->AddCrashSphere(CrashSphere(Math::Vector( 0.0f, 10.0f, -0.5f), 1.0f, SOUND_BOUMv, 0.15f));
-//?     obj->SetGlobalSphere(Math::Vector(0.0f, 6.0f, 0.0f), 11.0f);
+//?     obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 6.0f, 0.0f), 11.0f));
 
         obj->CreateShadowCircle(16.0f, 0.5f);
     }
@@ -1795,7 +1795,7 @@ CObjectUPtr CObjectFactory::CreateRoot(const ObjectCreateParams& params)
         obj->AddCrashSphere(CrashSphere(Math::Vector( 2.0f,  5.0f,  0.0f), 1.0f, SOUND_BOUMv, 0.15f));
         obj->AddCrashSphere(CrashSphere(Math::Vector( 0.0f,  8.0f,  1.0f), 1.0f, SOUND_BOUMv, 0.15f));
         obj->AddCrashSphere(CrashSphere(Math::Vector( 0.0f, 12.0f,  1.0f), 1.0f, SOUND_BOUMv, 0.15f));
-//?     obj->SetGlobalSphere(Math::Vector(0.0f, 6.0f, 0.0f), 12.0f);
+//?     obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 6.0f, 0.0f), 12.0f));
 
         obj->CreateShadowCircle(16.0f, 0.5f);
     }
@@ -1815,7 +1815,7 @@ CObjectUPtr CObjectFactory::CreateRoot(const ObjectCreateParams& params)
         obj->AddCrashSphere(CrashSphere(Math::Vector( 3.0f,  7.0f,  1.0f), 1.0f, SOUND_BOUMv, 0.15f));
         obj->AddCrashSphere(CrashSphere(Math::Vector( 0.0f,  7.0f, -1.0f), 1.0f, SOUND_BOUMv, 0.15f));
         obj->AddCrashSphere(CrashSphere(Math::Vector( 4.0f, 11.0f,  1.0f), 1.0f, SOUND_BOUMv, 0.15f));
-//?     obj->SetGlobalSphere(Math::Vector(0.0f, 6.0f, 0.0f), 10.0f);
+//?     obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 6.0f, 0.0f), 10.0f));
 
         obj->CreateShadowCircle(16.0f, 0.5f);
     }
@@ -1837,7 +1837,7 @@ CObjectUPtr CObjectFactory::CreateRoot(const ObjectCreateParams& params)
         obj->AddCrashSphere(CrashSphere(Math::Vector( 3.0f,  6.0f, -1.0f), 1.0f, SOUND_BOUMv, 0.15f));
         obj->AddCrashSphere(CrashSphere(Math::Vector( 0.0f, 12.0f,  0.0f), 2.0f, SOUND_BOUMv, 0.15f));
         obj->AddCrashSphere(CrashSphere(Math::Vector( 1.0f, 16.0f,  0.0f), 1.0f, SOUND_BOUMv, 0.15f));
-//?     obj->SetGlobalSphere(Math::Vector(0.0f, 10.0f, 0.0f), 14.0f);
+//?     obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 10.0f, 0.0f), 14.0f));
 
         obj->CreateShadowCircle(22.0f, 0.5f);
     }
@@ -1861,7 +1861,7 @@ CObjectUPtr CObjectFactory::CreateRoot(const ObjectCreateParams& params)
         obj->AddCrashSphere(CrashSphere(Math::Vector(  3.0f, 11.0f, -3.0f), 2.0f, SOUND_BOUMv, 0.15f));
         obj->AddCrashSphere(CrashSphere(Math::Vector( -3.0f, 17.0f,  1.0f), 2.0f, SOUND_BOUMv, 0.15f));
         obj->AddCrashSphere(CrashSphere(Math::Vector( -3.0f, 23.0f, -1.0f), 2.0f, SOUND_BOUMv, 0.15f));
-//?     obj->SetGlobalSphere(Math::Vector(0.0f, 12.0f, 0.0f), 20.0f);
+//?     obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 12.0f, 0.0f), 20.0f));
 
         obj->CreateShadowCircle(30.0f, 0.5f);
     }
@@ -1894,7 +1894,7 @@ CObjectUPtr CObjectFactory::CreateRoot(const ObjectCreateParams& params)
         obj->AddCrashSphere(CrashSphere(Math::Vector(  3.0f, 11.0f, -3.0f), 2.0f, SOUND_BOUMv, 0.15f));
         obj->AddCrashSphere(CrashSphere(Math::Vector( -3.0f, 17.0f,  1.0f), 2.0f, SOUND_BOUMv, 0.15f));
         obj->AddCrashSphere(CrashSphere(Math::Vector( -3.0f, 23.0f, -1.0f), 2.0f, SOUND_BOUMv, 0.15f));
-//?     obj->SetGlobalSphere(Math::Vector(0.0f, 12.0f, 0.0f), 20.0f);
+//?     obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 12.0f, 0.0f), 20.0f));
 
         obj->CreateShadowCircle(30.0f, 0.5f);
     }
@@ -1935,7 +1935,7 @@ CObjectUPtr CObjectFactory::CreateHome(const ObjectCreateParams& params)
         obj->SetZoom(0, 1.3f);
 
         obj->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 5.0f, 0.0f), 10.0f, SOUND_BOUMs, 0.25f));
-//?     obj->SetGlobalSphere(Math::Vector(0.0f, 6.0f, 0.0f), 11.0f);
+//?     obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 6.0f, 0.0f), 11.0f));
         obj->CreateShadowCircle(16.0f, 0.5f);
     }
 
@@ -2037,7 +2037,7 @@ CObjectUPtr CObjectFactory::CreateRuin(const ObjectCreateParams& params)
         obj->SetAngleX(9, 0.2f);
 
         obj->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 2.8f, 0.0f), 3.0f, SOUND_BOUMm, 0.45f));
-//?     obj->SetGlobalSphere(Math::Vector(0.0f, 5.0f, 0.0f), 10.0f);
+//?     obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 5.0f, 0.0f), 10.0f));
 
         obj->CreateShadowCircle(4.0f, 1.0f);
     }
@@ -2069,7 +2069,7 @@ CObjectUPtr CObjectFactory::CreateRuin(const ObjectCreateParams& params)
         obj->SetAngleX(9, -0.3f);
 
         obj->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 2.8f, 0.0f), 3.0f, SOUND_BOUMm, 0.45f));
-//?     obj->SetGlobalSphere(Math::Vector(0.0f, 5.0f, 0.0f), 10.0f);
+//?     obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 5.0f, 0.0f), 10.0f));
 
         obj->CreateShadowCircle(4.0f, 1.0f);
     }
@@ -2090,7 +2090,7 @@ CObjectUPtr CObjectFactory::CreateRuin(const ObjectCreateParams& params)
         obj->SetAngleZ(1, -0.1f);
 
         obj->AddCrashSphere(CrashSphere(Math::Vector(1.0f, 2.8f, -1.0f), 5.0f, SOUND_BOUMm, 0.45f));
-//?     obj->SetGlobalSphere(Math::Vector(1.0f, 5.0f, -1.0f), 10.0f);
+//?     obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(1.0f, 5.0f, -1.0f), 10.0f));
 
         obj->CreateShadowCircle(5.0f, 1.0f);
     }
@@ -2098,7 +2098,7 @@ CObjectUPtr CObjectFactory::CreateRuin(const ObjectCreateParams& params)
     if ( type == OBJECT_RUINmobilet2 )  // vehicle have caterpillars?
     {
         obj->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 2.8f, 0.0f), 5.0f, SOUND_BOUMm, 0.45f));
-//?     obj->SetGlobalSphere(Math::Vector(0.0f, 5.0f, 0.0f), 10.0f);
+//?     obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 5.0f, 0.0f), 10.0f));
 
         obj->CreateShadowCircle(5.0f, 1.0f);
     }
@@ -2106,7 +2106,7 @@ CObjectUPtr CObjectFactory::CreateRuin(const ObjectCreateParams& params)
     if ( type == OBJECT_RUINmobiler1 )  // vehicle skating?
     {
         obj->AddCrashSphere(CrashSphere(Math::Vector(1.0f, 2.8f, -1.0f), 5.0f, SOUND_BOUMm, 0.45f));
-        obj->SetGlobalSphere(Math::Vector(1.0f, 5.0f, -1.0f), 10.0f);
+        obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(1.0f, 5.0f, -1.0f), 10.0f));
 
         obj->CreateShadowCircle(5.0f, 1.0f);
     }
@@ -2114,7 +2114,7 @@ CObjectUPtr CObjectFactory::CreateRuin(const ObjectCreateParams& params)
     if ( type == OBJECT_RUINmobiler2 )  // vehicle skating?
     {
         obj->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 1.0f, 0.0f), 5.0f, SOUND_BOUMm, 0.45f));
-        obj->SetGlobalSphere(Math::Vector(0.0f, 5.0f, 0.0f), 10.0f);
+        obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 5.0f, 0.0f), 10.0f));
 
         obj->CreateShadowCircle(6.0f, 1.0f);
     }
@@ -2130,7 +2130,7 @@ CObjectUPtr CObjectFactory::CreateRuin(const ObjectCreateParams& params)
         obj->AddCrashSphere(CrashSphere(Math::Vector(-11.0f,  2.0f,   4.0f), 3.0f, SOUND_BOUMm, 0.45f));
         obj->AddCrashSphere(CrashSphere(Math::Vector(-11.0f,  2.0f,  10.0f), 3.0f, SOUND_BOUMm, 0.45f));
         obj->AddCrashSphere(CrashSphere(Math::Vector( -4.0f,  0.0f,  10.0f), 3.0f, SOUND_BOUMm, 0.45f));
-        obj->SetGlobalSphere(Math::Vector(0.0f, 0.0f, 0.0f), 18.0f);
+        obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 0.0f, 0.0f), 18.0f));
 
         obj->CreateShadowCircle(20.0f, 0.7f);
     }
@@ -2138,7 +2138,7 @@ CObjectUPtr CObjectFactory::CreateRuin(const ObjectCreateParams& params)
     if ( type == OBJECT_RUINdoor )  // converter holder?
     {
         obj->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 0.0f, 0.0f), 5.0f, SOUND_BOUMm, 0.45f));
-//?     obj->SetGlobalSphere(Math::Vector(0.0f, 0.0f, 0.0f), 6.0f);
+//?     obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 0.0f, 0.0f), 6.0f));
 
         obj->CreateShadowCircle(6.0f, 1.0f);
     }
@@ -2146,7 +2146,7 @@ CObjectUPtr CObjectFactory::CreateRuin(const ObjectCreateParams& params)
     if ( type == OBJECT_RUINsupport )  // radar holder?
     {
         obj->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 0.0f, 0.0f), 3.0f, SOUND_BOUMm, 0.45f));
-//?     obj->SetGlobalSphere(Math::Vector(0.0f, 0.0f, 0.0f), 4.0f);
+//?     obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 0.0f, 0.0f), 4.0f));
 
         obj->CreateShadowCircle(3.0f, 1.0f);
     }
@@ -2154,7 +2154,7 @@ CObjectUPtr CObjectFactory::CreateRuin(const ObjectCreateParams& params)
     if ( type == OBJECT_RUINradar )  // radar base?
     {
         obj->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 0.0f, 0.0f), 5.0f, SOUND_BOUMm, 0.45f));
-//?     obj->SetGlobalSphere(Math::Vector(0.0f, 0.0f, 0.0f), 6.0f);
+//?     obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 0.0f, 0.0f), 6.0f));
 
         obj->CreateShadowCircle(6.0f, 1.0f);
     }
@@ -2165,7 +2165,7 @@ CObjectUPtr CObjectFactory::CreateRuin(const ObjectCreateParams& params)
 
         obj->AddCrashSphere(CrashSphere(Math::Vector(-10.0f,  0.0f,  4.0f), 5.0f, SOUND_BOUMm, 0.45f));
         obj->AddCrashSphere(CrashSphere(Math::Vector(-10.0f,  0.0f, -4.0f), 5.0f, SOUND_BOUMm, 0.45f));
-//?     obj->SetGlobalSphere(Math::Vector(-3.0f, 0.0f, 0.0f), 14.0f);
+//?     obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(-3.0f, 0.0f, 0.0f), 14.0f));
     }
 
     if ( type == OBJECT_RUINbase )  // base?
@@ -2185,7 +2185,7 @@ CObjectUPtr CObjectFactory::CreateRuin(const ObjectCreateParams& params)
         obj->AddCrashSphere(CrashSphere(Math::Vector( 31.0f, 15.0f, -13.0f), 3.0f, SOUND_BOUMm, 0.45f));
         obj->AddCrashSphere(CrashSphere(Math::Vector( 21.0f,  8.0f, -39.0f), 5.0f, SOUND_BOUMm, 0.45f));
         obj->AddCrashSphere(CrashSphere(Math::Vector( 26.0f,  8.0f, -33.0f), 5.0f, SOUND_BOUMm, 0.45f));
-        obj->SetGlobalSphere(Math::Vector(0.0f, 0.0f, 0.0f), 48.0f);
+        obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 0.0f, 0.0f), 48.0f));
 
         obj->CreateShadowCircle(40.0f, 1.0f);
     }
@@ -2204,7 +2204,7 @@ CObjectUPtr CObjectFactory::CreateRuin(const ObjectCreateParams& params)
         obj->AddCrashSphere(CrashSphere(Math::Vector( -9.0f,  7.0f, -21.0f), 8.0f, SOUND_BOUMm, 0.45f));
         obj->AddCrashSphere(CrashSphere(Math::Vector( 21.0f,  7.0f,  -9.0f), 8.0f, SOUND_BOUMm, 0.45f));
         obj->AddCrashSphere(CrashSphere(Math::Vector(  9.0f,  7.0f, -21.0f), 8.0f, SOUND_BOUMm, 0.45f));
-        obj->SetGlobalSphere(Math::Vector(0.0f, 0.0f, 0.0f), 35.0f);
+        obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 0.0f, 0.0f), 35.0f));
 
         obj->CreateShadowCircle(30.0f, 1.0f);
     }
@@ -2414,7 +2414,7 @@ CObjectUPtr CObjectFactory::CreateApollo(const ObjectCreateParams& params)
         obj->AddCrashSphere(CrashSphere(Math::Vector(  0.0f, 5.0f, -11.0f), 3.0f, SOUND_BOUMm, 0.45f));
         obj->AddCrashSphere(CrashSphere(Math::Vector(  0.0f, 5.0f,  11.0f), 3.0f, SOUND_BOUMm, 0.45f));
 
-        obj->SetGlobalSphere(Math::Vector(0.0f, 4.0f, 0.0f), 9.0f);
+        obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 4.0f, 0.0f), 9.0f));
 
         obj->CreateShadowCircle(16.0f, 0.5f);
     }
diff --git a/src/object/old_object.cpp b/src/object/old_object.cpp
index 37d7bd7e..a8adbab8 100644
--- a/src/object/old_object.cpp
+++ b/src/object/old_object.cpp
@@ -297,8 +297,6 @@ COldObject::COldObject(int id)
     m_cmdLine.clear();
 
     DeleteAllCrashSpheres();
-    m_globalSpherePos = Math::Vector(0.0f, 0.0f, 0.0f);
-    m_globalSphereRadius = 0.0f;
 
     CBotClass* bc = CBotClass::Find("object");
     if ( bc != 0 )
@@ -1088,23 +1086,10 @@ void COldObject::TransformCrashSphere(Math::Sphere& crashSphere)
     crashSphere.pos = Math::Transform(m_objectPart[0].matWorld, crashSphere.pos);
 }
 
-// Specifies the global sphere, relative to the object.
-
-void COldObject::SetGlobalSphere(Math::Vector pos, float radius)
+void COldObject::TransformCameraCollisionSphere(Math::Sphere& collisionSphere)
 {
-    float   zoom;
-
-    zoom = GetZoomX(0);
-    m_globalSpherePos    = pos;
-    m_globalSphereRadius = radius*zoom;
-}
-
-// Returns the global sphere, in the world.
-
-void COldObject::GetGlobalSphere(Math::Vector &pos, float &radius)
-{
-    pos = Math::Transform(m_objectPart[0].matWorld, m_globalSpherePos);
-    radius = m_globalSphereRadius;
+    collisionSphere.pos = Math::Transform(m_objectPart[0].matWorld, collisionSphere.pos);
+    collisionSphere.radius *= GetZoomX(0);
 }
 
 
diff --git a/src/object/old_object.h b/src/object/old_object.h
index eb545c25..be7b4aef 100644
--- a/src/object/old_object.h
+++ b/src/object/old_object.h
@@ -112,8 +112,6 @@ public:
     int         GetShadowLight() override;
     int         GetEffectLight() override;
 
-    void        SetGlobalSphere(Math::Vector pos, float radius) override;
-    void        GetGlobalSphere(Math::Vector &pos, float &radius) override;
     void        SetShieldRadius(float radius) override;
     float       GetShieldRadius() override;
 
@@ -324,6 +322,7 @@ protected:
     bool        UpdateTransformObject();
     void        UpdateSelectParticle();
     void        TransformCrashSphere(Math::Sphere &crashSphere) override;
+    void TransformCameraCollisionSphere(Math::Sphere& collisionSphere) override;
 
 protected:
     Gfx::CEngine*       m_engine;
@@ -396,8 +395,6 @@ protected:
     float       m_param;
     int         m_team;
 
-    Math::Vector    m_globalSpherePos;
-    float       m_globalSphereRadius;
     Math::Sphere m_jostlingSphere;
     float       m_shieldRadius;
 
diff --git a/src/object/old_object_interface.h b/src/object/old_object_interface.h
index 72796431..7eab6069 100644
--- a/src/object/old_object_interface.h
+++ b/src/object/old_object_interface.h
@@ -98,8 +98,6 @@ public:
     virtual int         GetShadowLight() = 0;
     virtual int         GetEffectLight() = 0;
 
-    virtual void        SetGlobalSphere(Math::Vector pos, float radius) = 0;
-    virtual void        GetGlobalSphere(Math::Vector &pos, float &radius) = 0;
     virtual void        SetShieldRadius(float radius) = 0;
     virtual float       GetShieldRadius() = 0;
 
diff --git a/src/object/subclass/exchange_post.cpp b/src/object/subclass/exchange_post.cpp
index 1837d250..a623d326 100644
--- a/src/object/subclass/exchange_post.cpp
+++ b/src/object/subclass/exchange_post.cpp
@@ -87,7 +87,7 @@ std::unique_ptr<CExchangePost> CExchangePost::Create(
 
     obj->AddCrashSphere(CrashSphere(Math::Vector(0.0f,  3.0f, 0.0f), 6.0f, SOUND_BOUMm, 0.45f));
     obj->AddCrashSphere(CrashSphere(Math::Vector(0.0f, 11.0f, 0.0f), 6.0f, SOUND_BOUMm, 0.45f));
-    obj->SetGlobalSphere(Math::Vector(0.0f, 5.0f, 0.0f), 6.0f);
+    obj->SetCameraCollisionSphere(Math::Sphere(Math::Vector(0.0f, 5.0f, 0.0f), 6.0f));
 
     obj->CreateShadowCircle(8.0f, 1.0f);