Adapt to revised logging API.

[flightgear.git] / src / FDM / flight.cxx

diff --git a/src/FDM/flight.cxx b/src/FDM/flight.cxx
index 9826d641743a2b387f9f214d744e3eca07c772d1..c65a009a6aaf80a2542fe16aa96eda8406370ce2 100644 (file)
--- a/src/FDM/flight.cxx
+++ b/src/FDM/flight.cxx
@@ -69,9 +69,11 @@ FGInterface::_calc_multiloop (double dt)
   // roundoff problems when we already have nearly accurate values.
   // Only the speedup thing must be still handled here
   int hz = fgGetInt("/sim/model-hz");
-  int multiloop = SGMiscd::roundToInt(dt*hz);
-  int speedup = fgGetInt("/sim/speed-up");
-  return multiloop * speedup;
+  double speedup = fgGetDouble("/sim/speed-up");
+  double loops = dt * hz * speedup + delta_loops;
+  int iloops = SGMiscd::roundToInt(loops);
+  delta_loops = loops-iloops; // delta_loops required for speed-ups < 1 (to do one iteration every n-th step)
+  return iloops;
 }
 
 
@@ -119,6 +121,7 @@ FGInterface::_setup ()
     climb_rate=0;
     altitude_agl=0;
     track=0;
+    delta_loops = 0.0;
 }
 
 void