// Update is called once per frame
void Update()
{
ShiftAudioHistogramTextureData();
audioSpectrumAnalyser.UpdateSpectrumData();
pitch = audioSpectrumAnalyser.pitch;
float[] audioSpectrumData = audioSpectrumAnalyser.audioSpectrumData;
float maximumAmplitude = audioSpectrumAnalyser.dominantFrequencyBandIndex >= 0 ? audioSpectrumData[audioSpectrumAnalyser.dominantFrequencyBandIndex] : 0.0f;
if (maximumAmplitude > maxAmplitudeForAudio)
{
maxAmplitudeForAudio = maximumAmplitude;
inverseMaximumAmplitude = 1 / maximumAmplitude;
}
float scale = (maximumAmplitude > 0.0002 ? 1 / maximumAmplitude : 1); // inverseMaximumAmplitude;
//Debug.Log("Begin Sample Data");
for (int index = 0; index < audioTextureWidth; index++)
{
//Debug.Log("Sample Data: " + audioSpectrumData[index]);
float red = 0.0f, blue = 0.0f, green = 0.0f;
if (index == audioSpectrumAnalyser.dominantFrequencyBandIndex)
{
green = audioSpectrumData[index] * scale;
}
else
{
red = audioSpectrumData[index] * scale;
}
Color pixel = new Color(red, green, blue, 1.0f);
audioTexture.SetPixel(index, 0, pixel);
}
//Debug.Log("End Sample Data");
audioTexture.Apply();
}
// Update is called once per frame
void Update()
{
audioSpectrumAnalyser.UpdateSpectrumData();
float[] audioSpectrumData = audioSpectrumAnalyser.audioSpectrumData;
ParticleSystem.MainModule main = theParticleSystem.main;
// Alter the size
main.startSizeMultiplier = audioSpectrumAnalyser.dominantFrequencyBandIndex >= 0 ? audioSpectrumData[audioSpectrumAnalyser.dominantFrequencyBandIndex] * 2.0f : 0.0f;
// Alter the colour
float bandIndex = audioSpectrumAnalyser.dominantFrequencyBandIndex >= 0 ? audioSpectrumAnalyser.dominantFrequencyBandIndex : 0;
// NOTE: Arbitrary scale here due to the dominant frequency band often being at the lower end of the spectrum.
float normalisedBandIndex = bandIndex * 32.0f / (float)((int)AudioSpectrumAnalyser.AudioSampleSize.Medium - 1);
float red = 1.0f - normalisedBandIndex;
Debug.Log("bandIndex = " + bandIndex + " Normalised = " + normalisedBandIndex + " red = " + red);
Color particleColour = new Color(red, 0.0f, 0.0f, 1.0f);
main.startColor = particleColour;
}
