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-rw-r--r--src/velocityfilter.cc16
1 files changed, 7 insertions, 9 deletions
diff --git a/src/velocityfilter.cc b/src/velocityfilter.cc
index af1c524..7b41045 100644
--- a/src/velocityfilter.cc
+++ b/src/velocityfilter.cc
@@ -36,15 +36,13 @@ VelocityFilter::VelocityFilter(Settings& settings, Random& random, Instruments c
bool VelocityFilter::filter(event_t& event, size_t pos)
{
- auto power_max = instruments[event.instrument]->getMaxPower();
- auto power_min = instruments[event.instrument]->getMinPower();
- float power_span = power_max - power_min;
+ if (settings.enable_velocity_modifier.load())
+ {
+ float mean = event.velocity;
+ float stddev = settings.velocity_stddev.load();
+ // the 30.0f were determined empirically
+ event.velocity += random.normalDistribution(mean, stddev / 30.0f);
+ }
- float mean = event.velocity - .5f/127.f; // XXX: this should actually be done when reading the events
- float stddev = settings.velocity_stddev.load();
- // the 20.0f we determined empirically
- float lvl = power_min + random.normalDistribution(mean, stddev / 30.0f) * power_span;
-
- event.velocity = lvl;
return true;
}