Merge branch 'next' of git://gitorious.org/fg/simgear into next

[simgear.git] / simgear / timing / timestamp.hxx

diff --git a/simgear/timing/timestamp.hxx b/simgear/timing/timestamp.hxx
index 880d5dccd4baf080a85698e60e1afed74ac692bd..f195dc3740fbdedd4593b2d6c9ff6f574a648494 100644 (file)
--- a/simgear/timing/timestamp.hxx
+++ b/simgear/timing/timestamp.hxx
@@ -44,7 +44,7 @@
  * level of accuracy).
  *
  * The SGTimeStamp is useful for tracking the elapsed time of various
- * events in your program. You can also use it to keep constistant
+ * events in your program. You can also use it to keep consistent
  * motion across varying frame rates.
  *
  * Note SGTimestamp does not deliver the time of day. The content of this
@@ -195,6 +195,10 @@ public:
     static SGTimeStamp now()
     { SGTimeStamp ts; ts.stamp(); return ts; }
 
+    /**
+     * elapsed time since the stamp was taken, in msec
+     */
+    int elapsedMSec() const;
 private:
     SGTimeStamp(sec_type sec, nsec_type nsec)
     { setTime(sec, nsec); }