| public getParameterData ( int index, IntPtr &data, uint &length ) : RESULT | ||
| index | int | |
| data | IntPtr | |
| length | uint | |
| return | RESULT | |
// Update is called once per frame
void Update()
{
IntPtr unmanagedData;
uint length;
if (debugDrawFFT)
{
fft.getParameterData((int)FMOD.DSP_FFT.SPECTRUMDATA, out unmanagedData, out length);
//Musimy zrzutować dane z pointera unmanagedData na typ DSP_PARAMETER_FFT
FMOD.DSP_PARAMETER_FFT fftData =
(FMOD.DSP_PARAMETER_FFT)System.Runtime.InteropServices.Marshal.PtrToStructure(unmanagedData, typeof(FMOD.DSP_PARAMETER_FFT));
var spectrum = fftData.spectrum;
//UnityEngine.Debug.Log("Number of channels in track:" + fftData.numchannels);
//Wrzucamy dane do linerenderera
if (fftData.numchannels > 0)
{
float width = 80.0f;
float height = 0.1f;
var pos = Vector3.zero;
pos.x = width * -0.5f;
for (int i = 0; i < windowSize; ++i)
{
pos.x += (width / windowSize);
//Elementy tablicy spectrum zwracane sa w log dB
//TODO: fft w skali logarytmicznej a nie liniowej
float level = Lin2dB(spectrum[0][i]);
pos.y = (80 + level) * height - 20;
lineRendererFFT.SetPosition(i, pos);
}
}
}
if (sampleCreated)
{
lineRendererSamples.positionCount = lineRendererSamplesData.Length;
for (int i = 0; i < lineRendererSamplesData.Length; i++)
{
try
{
lineRendererSamples.SetPosition(i, new Vector3(-40 + i * 0.5f, lineRendererSamplesData[i] - 25, 0));
} catch (IndexOutOfRangeException ex)
{
UnityEngine.Debug.Log("Oops xD" + ex.Message);
}
}
}
}