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/**
bespoke synth, a software modular synthesizer
Copyright (C) 2021 Ryan Challinor (contact: awwbees@gmail.com)
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
**/
//
// TriggerDetector.cpp
// modularSynth
//
// Created by Ryan Challinor on 3/22/14.
//
//
#include "TriggerDetector.h"
#include "SynthGlobals.h"
TriggerDetector::TriggerDetector()
: mHistory(gSampleRate)
{
}
void TriggerDetector::Process(float sample)
{
if (mSharpness > 0)
{
float filter = 1 - mSharpness * .001f;
mAvg = filter * mAvg + (1 - filter) * sample;
sample -= mAvg; //highpass
}
if (sample - mHistory.GetSample(100, 0) > mThreshold && sample > .1f && mWaitingForFall == false)
{
mTriggered = true;
mWaitingForFall = true;
}
if (sample < mHistory.GetSample(100, 0))
mWaitingForFall = false;
mHistory.Write(sample, 0);
}
float TriggerDetector::GetValue()
{
return mHistory.GetSample(1, 0);
}
bool TriggerDetector::CheckTriggered()
{
bool triggered = mTriggered;
mTriggered = false;
return triggered;
}
void TriggerDetector::Draw(int x, int y)
{
ofPushStyle();
ofSetLineWidth(1);
ofSetColor(0, 255, 0);
for (int i = 1; i < mHistory.Size() - 1; ++i)
{
ofRect(x - i / 50, y, 1, -mHistory.GetSample(i, 0) * 300);
}
ofPopStyle();
}
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