Remove the use of the old transform variable in CollisionBody

src/body/CollisionBody.cpp

@@ -41,8 +41,6 @@ CollisionBody::CollisionBody(const Transform& transform, CollisionWorld& world,
               : Body(id), mType(DYNAMIC), mTransform(transform), mProxyCollisionShapes(NULL),
                 mNbCollisionShapes(0), mContactManifoldsList(NULL), mWorld(world) {
 
-    // Initialize the old transform
-    mOldTransform = transform;
 }
 
 // Destructor

src/body/CollisionBody.h

@@ -73,9 +73,6 @@ class CollisionBody : public Body {
         /// Position and orientation of the body
         Transform mTransform;
 
-        /// Last position and orientation of the body
-        Transform mOldTransform;
-
         /// First element of the linked list of proxy collision shapes of this body
         ProxyShape* mProxyCollisionShapes;
 
@@ -102,9 +99,6 @@ class CollisionBody : public Body {
         /// Remove all the collision shapes
         void removeAllCollisionShapes();
 
-        /// Update the old transform with the current one.
-        void updateOldTransform();
-
         /// Update the broad-phase state for this body (because it has moved for instance)
         virtual void updateBroadPhaseState() const;
 
@@ -241,12 +235,6 @@ inline void CollisionBody::setTransform(const Transform& transform) {
     updateBroadPhaseState();
 }
 
-// Update the old transform with the current one.
-/// This is used to compute the interpolated position and orientation of the body
-inline void CollisionBody::updateOldTransform() {
-    mOldTransform = mTransform;
-}
-
 // Return the first element of the linked list of contact manifolds involving this body
 /**
  * @return A pointer to the first element of the linked-list with the contact

src/engine/DynamicsWorld.cpp

@@ -328,9 +328,6 @@ void DynamicsWorld::integrateRigidBodiesVelocities() {
             mConstrainedAngularVelocities[indexBody] *= clamp(angularDamping, decimal(0.0),
                                                               decimal(1.0));
 
-            // Update the old Transform of the body
-            bodies[b]->updateOldTransform();
-
             indexBody++;
         }
     }