X-Git-Url: http://git.localhorst.tv/?a=blobdiff_plain;f=src%2Fapp%2FIntervalTimer.hpp;h=06caa5e21b9bb5c805a1f2e73d68d89c855f8996;hb=045a6ec084bf1fb4df3c6ade4a88932cf61bed23;hp=e5d02481e676d9c618388b626b9931f8caf6fc5a;hpb=b7d09e1e35ef90282c97509e0020b20db3c7ea9f;p=blank.git

diff --git a/src/app/IntervalTimer.hpp b/src/app/IntervalTimer.hpp
index e5d0248..06caa5e 100644
--- a/src/app/IntervalTimer.hpp
+++ b/src/app/IntervalTimer.hpp
@@ -4,10 +4,16 @@
 
 namespace blank {
 
+/// Timer that hits every n milliseconds. Resolution is that of the
+/// delta values passed to Update(), minimum 1ms.
+/// Also tracks the number of iterations as well as milliseconds
+/// passed.
 class IntervalTimer {
 
 public:
-	explicit IntervalTimer(int interval_ms) noexcept
+	/// Create a timer that hits every interval_ms milliseconds.
+	/// Initial state is stopped.
+	explicit IntervalTimer(int interval_ms = 0) noexcept
 	: intv(interval_ms) { }
 
 	void Start() noexcept {
@@ -17,13 +23,20 @@ public:
 		value = 0;
 		speed = 0;
 	}
+	void Reset() noexcept {
+		value = 0;
+	}
 
 	bool Running() const noexcept {
 		return speed != 0;
 	}
+	/// true if an interval boundary was passed by the last call to Update()
 	bool Hit() const noexcept {
 		return Running() && value % intv < last_dt;
 	}
+	bool HitOnce() const noexcept {
+		return Running() && value >= intv;
+	}
 	int Elapsed() const noexcept {
 		return value;
 	}