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Version 0.99

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This commit is contained in:
Gary Scavone
2009-03-24 22:41:14 -04:00
committed by Stephen Sinclair
commit 6485746ee9
218 changed files with 13786 additions and 0 deletions
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48
FM4Alg4.cpp Normal file
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/******************************************/
/* Algorithm 4 (TX81Z) Subclass of */
/* 4 Operator FM Synth */
/* by Perry R. Cook, 1995-96 */
/* */
/* Alg 4 is : 4->3--\ */
/* 2-- + -->1-->Out */
/* */
/* Controls: control1 = total mod index */
/* control2 = crossfade of two */
/* modulators */
/* control3 = LFO speed */
/* modWheel = LFO amount */
/* */
/******************************************/
#include "FM4Alg4.h"
FM4Alg4 :: FM4Alg4() : FM4Op()
{
/* We still don't make the waves here yet, because */
/* we still don't know what they will be. */
}
MY_FLOAT FM4Alg4 :: tick()
{
MY_FLOAT temp;
temp = vibWave->tick() * modDepth * 0.2;
waves[0]->setFreq(baseFreq * (1.0 + temp) * ratios[0]);
waves[1]->setFreq(baseFreq * (1.0 + temp) * ratios[1]);
waves[2]->setFreq(baseFreq * (1.0 + temp) * ratios[2]);
waves[3]->setFreq(baseFreq * (1.0 + temp) * ratios[3]);
waves[3]->addPhaseOffset(twozero->lastOut());
temp = gains[3] * adsr[3]->tick() * waves[3]->tick();
twozero->tick(temp);
waves[2]->addPhaseOffset(temp);
temp = (1.0 - (control2 * 0.5)) * gains[2] * adsr[2]->tick() * waves[2]->tick();
temp += control2 * 0.5 * gains[1] * adsr[1]->tick() * waves[1]->tick();
temp = temp * control1;
waves[0]->addPhaseOffset(temp);
temp = gains[0] * adsr[0]->tick() * waves[0]->tick();
lastOutput = temp * 0.5;
return lastOutput;
}