SByte GetSample(SoundGenType type, int hz, int i, int sample)
{
SByte ret = (SByte)0;
float t = i / (float)sample;
float freq = t * hz * Mathf.PI * 2.0f;
float sl = (float)sample / hz;
switch (type)
{
case SoundGenType.PULSE:
ret = (SByte)(Mathf.Sin(freq) * Mathf.Max(1.0f - t, 0.0f) * 127);
break;
case SoundGenType.TRIANGLE:
ret = (SByte)((Math.Abs(((i + sl / 2) % (float)(sl)) / (sl)) * 2.0f) * 127);
break;
case SoundGenType.SINE:
ret = (SByte)(Mathf.Sin(freq) * 127);
break;
case SoundGenType.SQUARE:
ret = (SByte)(((Mathf.Round(((i % (float)(sl)) / (sl))))) * 127);
break;
case SoundGenType.SAWTOOTH:
ret = (SByte)((((i % (float)(sl)) / (sl))) * 127);
break;
case SoundGenType.NOISE:
ret = (SByte)(((Mathf.Round(((i % (float)(sl)) / (sl))))) * randomNoise[i % randomNoise.Length]);
break;
}
return(ret);
}
// Start is called before the first frame update
void Start()
{
AudioSource source = gameObject.AddComponent <AudioSource>();
freqCtrl.minValue = 10;
freqCtrl.maxValue = 600;
freqCtrl.onValueChanged.AddListener((v) =>
{
lastHz = hz;
hz = (int)v;
});
List <string> ops = new List <string>();
for (int i = 0; i < (int)SoundGenType.MAX_COUNT; i++)
{
ops.Add(((SoundGenType)i).ToString());
}
timbreCtrl.ClearOptions();
timbreCtrl.AddOptions(ops);
timbreCtrl.onValueChanged.AddListener((v) =>
{
type = (SoundGenType)v;
});
autoCtrl.isOn = true;
autoCtrl.onValueChanged.AddListener((v) =>
{
auto = v;
});
}
void PartInfoLine()
{
EditorGUILayout.BeginHorizontal();
if (GUILayout.Button("Add Part"))
{
currentPart = music.NewPart();
}
if (music.GetPartsNum() > 1)
{
if (GUILayout.Button("Remove Part"))
{
music.RemovePart(currentPart);
currentPart = music.GetPart(0);
}
}
string[] Timbres = new string[] { "PULSE", "TRIANGLE", "SINE", "SQUARE", "SAWTOOTH", "NOISE" };
int newtype = EditorGUILayout.Popup((int)type, Timbres);
if (newtype != (int)type)
{
type = (SoundGenType)newtype;
currentPart.Timbre = type;
}
int n = 0;
string[] names = new string[music.GetPartsNum()];
for (int i = 0; i < music.GetPartsNum(); i++)
{
names[i] = "part " + (i + 1);
if (music.GetPart(i) == currentPart)
{
n = i;
}
}
int sel = GUILayout.Toolbar(n, names);
currentPart = music.GetPart(sel);
type = currentPart.Timbre;
EditorGUILayout.EndHorizontal();
}
public SoundClip(SoundGenType type, int sample, int hz, int hz2, int harmonicNum, float time, bool loopType = false)
{
int count = (int)((float)sample * time);
if (hz == hz2)
{
count = Mathf.RoundToInt((float)sample * time / hz) * hz;
}
data = new float[count];
for (int i = 0; i < count; i++)
{
int chz = (int)Mathf.Lerp(hz, hz2, (float)i / count);
data[i] += GetSample(type, chz, i, sample) / 128.0f;
for (int j = 1; j <= harmonicNum; j++)
{
data[i] += GetSample(type, chz, i * j, sample) * ((float)(harmonicNum - j) / (float)(harmonicNum)) / 128.0f;
}
if (harmonicNum > 1)
{
data[i] /= 2.7f;
}
else if (harmonicNum > 0)
{
data[i] /= 1.5f;
}
}
if (!loopType && data.Length > 20)
{
for (int i = 0; i < 10; i++)
{
data[i] *= i / 10.0f;
data[count - 1 - i] *= i / 10.0f;
}
}
}
public DATA(byte[] rawData) : base(rawData)
{
var reader = new ByteReader();
SoundType = reader.ReadBytes <SoundGenType>(base.Data);
}
