public int GetHashCode(double tolerance)
{
// Normalize DNE vectors (since we consider any with any NaN component the same).
if (this.DNE)
{
return(double.NaN.GetHashCode());
}
// The hash code is dependent on the tolerance: more precision -> less rounding.
// Rounding the hashcodes is necessary, since for a given tolerence we might
// consider two quantities to be equal, but their hashcodes might differ
// without the rounding.
double inverse = 1 / tolerance;
int decimals = (int)Math.Log10(inverse);
return
(Math.Round(X, decimals).GetHashCode() ^
Math.Round(Y, decimals).GetHashCode() ^
Math.Round(Z, decimals).GetHashCode() ^
Math.Round(W, decimals).GetHashCode());
// if 0 tolerance
//return X.GetHashCode() ^ Y.GetHashCode() ^ Z.GetHashCode();
}
public override int GetHashCode()
{
double inverse = 1 / Tolerance.Threshold;
int decimals = (int)Math.Log10(inverse);
return
(Math.Round(Radius, decimals).GetHashCode() ^
Math.Round(Length, decimals).GetHashCode());
}
public int GetHashCode(double d)
{
if (Infinity.IsInfinite(d))
{
return(double.PositiveInfinity.GetHashCode());
}
double inverse = 1 / m_tolerance;
int decimals = (int)Math.Log10(inverse);
return(Math.Round(d, decimals).GetHashCode());
}
public Table()
{
for (int i = 0; i < 128; i++)
{
note2Freq[i] = (float)(440 * Math.Pow(2, (i - 69) / 12.0));
bend2Pitch[i] = (float)Math.Pow(2, 2 * ((i - 64) / 127) / 12.0);
volm2Gain[i] = (float)Deci2Gain(40.0 * Math.Log10(i / 127.0));
pan2Left[i] = (float)Deci2Gain(20.0 * Math.Log10(Math.Cos(Math.PI / 2 * (i / 127.0))));
pan2Right[i] = (float)Deci2Gain(20.0 * Math.Log10(Math.Sin(Math.PI / 2 * (i / 127.0))));
}
}
public override string GetLabel(double amount)
{
if (useLogScale)
{
double logRange = Math.Log10(frequencyMax) - Math.Log10(frequencyMin); //TODO: Could simplify, log laws
return(formatFrequency(Math.Pow(10, amount * logRange + Math.Log10(frequencyMin))));
}
else
{
int range = frequencyMax - frequencyMin;
return(formatFrequency(range * amount + frequencyMin));
}
}
/// <summary>
/// 数量级
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public static int Magnitude(this double value)
{
if (value.Equals(0.0))
{
return(0);
}
double magnitude = Math.Log10(Math.Abs(value));
var truncated = (int)Math.Truncate(magnitude);
return(magnitude < 0d && truncated != magnitude
? truncated - 1
: truncated);
}
public int GetHashCode(CircleNE c)
{
if (c.IsLine)
{
return
(c.P1.GetHashCode() ^
c.P2.GetHashCode());
}
else
{
double inverse = 1 / Tolerance.Threshold;
int decimals = (int)Math.Log10(inverse);
return
(c.Center.GetHashCode() ^
c.CenterNE.GetHashCode() ^
Math.Round(c.Radius, decimals).GetHashCode());
}
}
private static int Math_Log(ILuaState lua)
{
double x = lua.L_CheckNumber(1);
double res;
if (lua.IsNoneOrNil(2))
{
res = Math.Log(x);
}
else
{
double logBase = lua.L_CheckNumber(2);
if (logBase == 10.0)
{
res = Math.Log10(x);
}
else
{
res = Math.Log(x, logBase);
}
}
lua.PushNumber(res);
return(1);
}
public Table(float sampleRate)
{
this.sampleRate = sampleRate;
sampleRateRecip = 1f / sampleRate;
minSampleCount = (int)(0.002 * sampleRate);
for (int i = 0; i < 128; i++)
{
note2Freq[i] = (float)(440 * Math.Pow(2, (i - 69) / 12.0));
bend2Pitch[i] = (float)Math.Pow(2, 2 * ((i - 64) / 127) / 12.0);
volm2Gain[i] = (float)Db2Gain(40.0 * Math.Log10(i / 127.0));
pan2Left[i] = (float)Db2Gain(20.0 * Math.Log10(Math.Cos(Math.PI / 2 * (i / 127.0))));
pan2Right[i] = (float)Db2Gain(20.0 * Math.Log10(Math.Sin(Math.PI / 2 * (i / 127.0))));
}
for (int i = 0; i < 256; i++)
{
semi2Pitch[i] = (float)Math.Pow(2, (i - Semi2PitchCenter) / 12.0);
cent2Pitch[i] = (float)Math.Pow(2, (i - Semi2PitchCenter) / 1200.0);
db2Gain[i] = (float)Db2Gain(i - Db2GainCenter);
}
}
public static int IntExp(double x) => (int)SM.Log10(x);
public static int IntExp(float x) => (int)SM.Log10(x);
private static int Math_Log10(ILuaState lua)
{
lua.PushNumber(Math.Log10(lua.L_CheckNumber(1)));
return(1);
}
public static double Log10(object self, [DefaultProtocol] double x)
{
return(DomainCheck(SM.Log10(x), "log10"));
}
public void Refresh()
{
AudioSourceVisualizer audioSourceVisualizer;
try {
audioSourceVisualizer = target as AudioSourceVisualizer;
}
catch (System.Exception e) {
Debug.Log("Not ready");
return;
}
AudioSource audioSource = audioSourceVisualizer.source;
AudioClip clip = audioSource.clip;
if (clip == null)
{
return; //Not ready
}
//First get the RMS of the audio channel as a whole
/*float[] intensityBins = new float[AudioSourceVisualizerEditor.samples];
* audioSource.GetOutputData(intensityBins, 0);
* float sum = 0;
* foreach(float sample in intensityBins) {
* sum += sample * sample; // sum squared samples
* }
* float rms = Mathf.Sqrt(sum / AudioSourceVisualizerEditor.samples); // rms = square root of average*/
float[] spectrumBins = new float[samples];
audioSource.GetSpectrumData(spectrumBins, 0, FFTWindow.Hanning);
System.Func <double, float> frequencyIntensity = (double freq) => {
if (freq > clip.frequency || freq < 0)
{
return(0); //No data for this frequency
}
//spectrumBins is in the range 0 - clip.frequency
int binIdx = (int)Math.Truncate(freq / clip.frequency * samples);
return(spectrumBins[binIdx]);
};
int idx = 0;
foreach (VisualElement bin in bins)
{
double binRange = (double)idx / bins.Length;
double sampleFreq;
if (audioSourceVisualizer.useLogScale)
{
double fMin10 = Math.Log10(frequencyMin);
double fMax10 = Math.Log10(clip.frequency);
//Map from linear space with bins.Length to log space with samples as length
sampleFreq = Math.Pow(10.0, binRange * (fMax10 - fMin10) + fMin10);
}
else
{
//Linear from frequencyMin to frequencyMax
sampleFreq = binRange * (clip.frequency -
frequencyMin) + frequencyMin;
}
float intensity = frequencyIntensity(sampleFreq);
float db = 20 * Mathf.Log10(intensity / 1.0e-6f); // calculate dB from linear getSpectrumData
float linear = Mathf.Clamp(db / 80.0f, 0.0f, 1.0f);
bin.style.height = linear * (AudioSourceVisualizerEditor.height - 2) + 2;
bin.style.backgroundColor = new Color(linear, 68.0f / 255.0f, 136.0f / 255.0f, 1.0f);
idx++;
}
//Update xAxis
xAxis.useLogScale = audioSourceVisualizer.useLogScale;
xAxis.frequencyMin = frequencyMin;
xAxis.frequencyMax = clip.frequency;
if (GetVisualizerWidth() != lastWidth)
{
xAxis.Redraw(); //Let it know it needs to redraw bc the width changed
}
lastWidth = GetVisualizerWidth();
}
public static double Log10(object self, double x)
{
return(DomainCheck(SM.Log10(x), "log10"));
}