4
Argos Generative Music 2
using UnityEngine;
using System.Collections;
using UnityEngine.UI;
[RequireComponent(typeof(AudioSource))]
public class MicrophoneInput : MonoBehaviour
{
public double bpm = 140.0F;
public float gain = 0.5F;
public int signatureHi = 4;
public int signatureLo = 4;
[Range(0.00f, 20f)]
public float multInterval1 = 1f;
[Range(0.00f, 20f)]
public float multInterval2 = 1f;
[Range(0.00f, 20f)]
public float multInterval3 = 1f;
[Range(0.01f, 0.02f)]
public float phase1base = 0.01f;
[Range(0.01f, 0.02f)]
public float phase2base = 0.01f;
[Range(0.01f, 0.02f)]
public float phase3base = 0.01f;
[Range(0.0f, 1f)]
public float attack1 = 0.01f;
[Range(0.0f, 1f)]
public float decay1 = 0.01f;
public bool bVoiceHigh = true;
public bool bVoiceMid = true;
public bool bVoiceLow = true;
float phase1;
float phase2;
float phase3;
float thisTime;
float lastTime;
float amp1;
private double nextTick = 0.0F;
private float amp = 0.0F;
private float phase = 0.0F;
private double sampleRate = 0.0F;
private int accent;
private bool running = false;
void Start()
{
accent = signatureHi;
double startTick = AudioSettings.dspTime;
sampleRate = AudioSettings.outputSampleRate;
nextTick = startTick * sampleRate;
running = true;
}
int count1 = 0;
int count2 = 0;
int count3 = 0;
float phasemult1 = 4.0f;
float phasemult2 = 6.0f;
float phasemult3 = 2.0f;
bool switch1 = true;
bool switch2 = true;
bool switch3 = true;
float time1;
float accumTime;
void OnAudioFilterRead(float[] data, int channels)
{
accumTime = (float)AudioSettings.dspTime;
if(accumTime - time1 < attack1)
{
amp1 = CubicEaseIn(accumTime - time1, 0, 1, attack1);
}
else
{
amp1 = CubicEaseOut((accumTime - time1 - attack1), 1, -1, decay1);
}
amp = 1;
if (count1++ > 10* multInterval1)
{
time1 = accumTime;
if (switch1)
{
if (++phasemult1 > 4)
{
switch1 = false;
}
}
else
{
if (--phasemult1 < 3)
{
switch1 = true;
}
}
count1 = 0;
}
if (count2++ > 5*multInterval2)
{
if (switch2)
{
if (++phasemult2 > 7)
{
switch2 = false;
}
}
else
{
if (--phasemult2 < 6)
{
switch2 = true;
}
}
count2 = 0;
}
if (count3++ > 30*multInterval3)
{
//amp = 1.0f;
if (switch3)
{
if (++phasemult3 > 3)
{
switch3 = false;
}
}
else
{
if (--phasemult3 < 2)
{
switch3 = true;
}
}
count3 = 0;
}
double samplesPerTick = sampleRate * 60.0F / bpm * 4.0F / signatureLo;
double sample = AudioSettings.dspTime * sampleRate;
int dataLen = data.Length / channels;
int n = 0;
float a, b, c;
while (n < dataLen)
{
if (bVoiceHigh) a = gain * amp * Mathf.Sin(phase2); else a = 0f;
if (bVoiceMid) b = gain * amp1 * Mathf.Sin(phase1); else b = 0f;
if (bVoiceLow) c = gain * amp * Mathf.Sin(phase3); else c = 0f;
float x = a + b + c;
int i = 0;
while (i < channels)
{
data[n * channels + i] += x;
i++;
}
phase1 += phase1base * phasemult1;
if (phase1 > Mathf.PI * 2f) phase1 = 0f;
phase2 += phase2base * phasemult2;
if (phase2 > Mathf.PI * 2f) phase2 = 0f;
phase3 += phase3base * phasemult3;
if (phase3 > Mathf.PI * 2f) phase3 = 0f;
n++;
}
}
public static float CubicEaseOut(float t, float b, float c, float d)
{
if (t < d)
{
return c * ((t = t / d - 1) * t * t + 1) + b;
}
else
{
return b + c;
}
}
public static float CubicEaseIn(float t, float b, float c, float d)
{
if (t < d)
{
return c * (t /= d) * t * t + b;
}
else
{
return b + c;
}
}
}
Argos Generative Music 1:
int count1 = 0;
int count2 = 0;
int count3 = 0;
float phasemult1 = 4.0f;
float phasemult2 = 6.0f;
float phasemult3 = 2.0f;
float phase1 = 0.01f;
float phase2 = 0.01f;
float phase3 = 0.01f;
bool switch1 = true;
bool switch2 = true;
bool switch3 = true;
void OnAudioFilterRead(float[] data, int channels)
{
if (count1++ > 10* multInterval)
{
amp = 1.0f;
if (switch1)
{
if (++phasemult1 > 4)
{
switch1 = false;
}
}
else
{
if (--phasemult1 < 3)
{
switch1 = true;
}
}
count1 = 0;
}
if (count2++ > 5*multInterval)
{
if (switch2)
{
if (++phasemult2 > 7)
{
switch2 = false;
}
}
else
{
if (--phasemult2 < 6)
{
switch2 = true;
}
}
count2 = 0;
}
if (count3++ > 30*multInterval)
{
if (switch3)
{
if (++phasemult3 > 3)
{
switch3 = false;
}
}
else
{
if (--phasemult3 < 2)
{
switch3 = true;
}
}
count3 = 0;
}
if (!running)
return;
double samplesPerTick = sampleRate * 60.0F / bpm * 4.0F / signatureLo;
double sample = AudioSettings.dspTime * sampleRate;
int dataLen = data.Length / channels;
int n = 0;
while (n < dataLen)
{
float x = gain * amp * Mathf.Sin(phase1) + gain * amp * Mathf.Sin(phase2) + gain * amp * Mathf.Sin(phase3);
int i = 0;
while (i < channels)
{
data[n * channels + i] += x;
i++;
}
phase1 += 0.01F * phasemult1;
if (phase1 > Mathf.PI * 2f) phase1 = 0f;
phase2 += 0.01F * phasemult2;
if (phase2 > Mathf.PI * 2f) phase2 = 0f;
phase3 += 0.01F * phasemult3;
if (phase3 > Mathf.PI * 2f) phase3 = 0f;
n++;
}
}
}
Unity Manual Metronome:
[RequireComponent(typeof(AudioSource))]
public class ExampleClass : MonoBehaviour
{
public double bpm = 140.0F;
public float gain = 0.5F;
public int signatureHi = 4;
public int signatureLo = 4;
private double nextTick = 0.0F;
private float amp = 0.0F;
private float phase = 0.0F;
private double sampleRate = 0.0F;
private int accent;
private bool running = false;
void Start()
{
accent = signatureHi;
double startTick = AudioSettings.dspTime;
sampleRate = AudioSettings.outputSampleRate;
nextTick = startTick * sampleRate;
running = true;
}
void OnAudioFilterRead(float[] data, int channels)
{
if (!running)
return;
double samplesPerTick = sampleRate * 60.0F / bpm * 4.0F / signatureLo;
double sample = AudioSettings.dspTime * sampleRate;
int dataLen = data.Length / channels;
int n = 0;
while (n < dataLen)
{
float x = gain * amp * Mathf.Sin(phase);
int i = 0;
while (i < channels)
{
data[n * channels + i] += x;
i++;
}
while (sample + n >= nextTick)
{
nextTick += samplesPerTick;
amp = 1.0F;
if (++accent > signatureHi)
{
accent = 1;
amp *= 2.0F;
}
Debug.Log("Tick: " + accent + "/" + signatureHi);
}
phase += amp * 0.3F;
amp *= 0.993F;
n++;
}
}
}