Method interpolateTick

Engine/source/T3D/camera.cpp:822–894

//----------------------------------------------------------------------------

void Camera::interpolateTick(F32 dt)
{
   Parent::interpolateTick(dt);

   if ( isMounted() )
      return;

   Point3F rot = mDelta.rot + mDelta.rotVec * dt;

   if((mMode == OrbitObjectMode || mMode == OrbitPointMode) && !mNewtonMode)
   {
      if(mMode == OrbitObjectMode && bool(mOrbitObject))
      {
         // If this is a shapebase, use its render eye transform
         // to avoid jittering.
         GameBase *castObj = mOrbitObject;
         ShapeBase* shape = dynamic_cast<ShapeBase*>(castObj);
         if( shape != NULL ) 
         {
            MatrixF ret;
            shape->getRenderEyeTransform( &ret );
            mPosition = ret.getPosition();
         } 
         else 
         {
            // Hopefully this is a static object that doesn't move,
            // because the worldbox doesn't get updated between ticks.
            mOrbitObject->getWorldBox().getCenter(&mPosition);
         }
      }
      _setRenderPosition( mPosition + mOffset, rot );
      _validateEyePoint( 1.0f, &mRenderObjToWorld );
   }
   else if(mMode == EditOrbitMode && mValidEditOrbitPoint)
   {
      mPosition = mEditOrbitPoint;
      _setRenderPosition(mPosition, rot);
      _calcEditOrbitPoint(&mRenderObjToWorld, rot);
   }
   else if(mMode == TrackObjectMode && bool(mOrbitObject) && !mNewtonRotation)
   {
      // orient the camera to face the object
      Point3F objPos;
      // If this is a shapebase, use its render eye transform
      // to avoid jittering.
      ShapeBase *shape = dynamic_cast<ShapeBase*>((GameBase*)mOrbitObject);
      if( shape != NULL )
      {
         MatrixF ret;
         shape->getRenderEyeTransform( &ret );
         objPos = ret.getPosition();
      }
      else
      {
         mOrbitObject->getWorldBox().getCenter(&objPos);
      }
      Point3F pos = mDelta.pos + mDelta.posVec * dt;
      Point3F vec = objPos - pos;