public void ThreadBeep(double amplitude, double Frequency, int Duration, WaveTypes waveType, bool applyWaveTable = true, bool applyAdsr = true)
{
new Task(
new Action(() =>
{
BeepBeepWave(amplitude, Frequency, Duration, waveType, applyWaveTable, applyAdsr);
})).Start();
}
public float GetWaveYPos(Vector3 position, float timeSinceStart)
{
if (isMoving)
{
return(WaveTypes.SinXWave(position, speed, scale, waveDistance, noiseStrength, noiseWalk, timeSinceStart));
}
else
{
return(0f);
}
}
public void appendWaveTypesMenu(WaveTypes it, ToolStripDropDown menu)
{
var u = this;
Menu_AppendItem(
menu,
Utils.WaveTypesToStringR(it),
((_, __) =>
{
u.Wave = it; u.ExpireSolution(true);
}),
true, u.Wave == it);
}
/// <summary>
/// Creates basic audio waves
/// </summary>
/// <param name="waveType"></param>
/// <param name="waveAttributes"></param>
/// <returns></returns>
static public WaveChunk MakeWave(WaveTypes waveType, WaveAttributes waveAttributes)
{
switch (waveType)
{
case WaveTypes.SineWave:
return(MakeSineWave(waveAttributes));
case WaveTypes.Square:
return(MakeSquareWave(waveAttributes));
case WaveTypes.Sawtooth:
return(MakeSawtooth(waveAttributes));
case WaveTypes.Triangle:
return(MakeTriangle(waveAttributes));
case WaveTypes.WhiteNoise:
return(MakeWhiteNoise(waveAttributes));
default:
throw new ArgumentException("Not a valid wave type");
}
}
/// <summary>
/// Amplitude on scale from 0.0 to 1.0
/// </summary>
/// <param name="amp"></param>
/// <param name="Frequency"></param>
/// <param name="Duration">msec</param>
/// <param name="waveType"></param>
public void BeepBeepWave(double amplitude, double Frequency, int Duration, WaveTypes waveType, bool applyWaveTable = true, bool applyAdsr = true)
{
double DeltaFT = 2 * Math.PI * Frequency / 44100.0; // used for sinusoid generation
int freqPeriod = (int)(44100 / Frequency);
int totalSamples = 441 * Duration / 10;
short Sample = 0;
int Bytes = totalSamples * 8;
using (MemoryStream MS = new MemoryStream(Bytes))
{
using (BinaryWriter BW = new BinaryWriter(MS))
{
waveType = WaveTypes.Sin;
//A =2;
double amplFreqPeriod = amplitude;// (A / freqPeriod); // used when doing 16 bit pcm wav
double dblSample = 0;
for (int T = 0; T < totalSamples; T++)
{
if (waveType == WaveTypes.Triangle)
{
int tMod = T % freqPeriod; //triangle wave
if (tMod < freqPeriod / 2)
{
dblSample = (Math.Abs((T % freqPeriod) * (2 * amplFreqPeriod))); //
}
else
{
dblSample = amplitude - (Math.Abs((T % freqPeriod) * (amplFreqPeriod)));
}
}
else if (waveType == WaveTypes.Square)
{
dblSample = ((T % freqPeriod) < (amplFreqPeriod / 2) ? amplitude : 0);
}
else if (waveType == WaveTypes.RawWavetable)
{
dblSample = amplitude; // let wavetable apply shaping
}
else if (waveType == WaveTypes.Sin)
{
dblSample = 50 * DeltaFT + (amplitude * Math.Sin(DeltaFT * T)); //sine
}
else if (waveType == WaveTypes.Sawtooth)
{
dblSample = (Math.Abs((T % freqPeriod)) * (amplFreqPeriod)); //sawtooth wave
}
//apply wavetable synthesis
int waveTableIndex = 0;
if (applyWaveTable)
{
waveTableIndex = (int)(((double)WaveTable.Length) / ((double)freqPeriod)) * (T % freqPeriod);
dblSample *= WaveTable[waveTableIndex];
}
if (applyAdsr)
{
// apply ADSR to overall waveform
waveTableIndex = (int)(T * (((double)AdsrTable.Length) / totalSamples)); // index into ADSR table = total # of samples / tableLength
dblSample *= AdsrTable[waveTableIndex];
}
Single sSamp = System.Convert.ToSingle(dblSample);
//if (T % 1 == 0) System.Diagnostics.Debug.WriteLine(T + ": " + sSamp);
BW.Write(sSamp);
//BW.Write(sSamp);// (if writing 2 channels)
}
BW.Flush();
MS.Seek(0, SeekOrigin.Begin);
byte[] bytes = MS.ToArray();
//var waveFileReader = new RawSourceWaveStream(MS, WaveFormat.CreateIeeeFloatWaveFormat(44100,1));
var waveFileReader = new RawSourceWaveStream(bytes, 0, bytes.Length, msp.WaveFormat);
msp.AddMixerInput(waveFileReader);
//OutputDevice.Init(msp);
OutputDevice.Play();
System.Threading.Thread.Sleep(Duration);
}
} //memorystream
} //end function
public static string WaveTypesToStringR(WaveTypes d) => d.ToString().Replace("_", " ");
public void SpawnOneTick(EnemyStrength enemyStrength, ref ConcurrentQueue <SpawnObject> spawnQueue, WaveTypes waveType, float innerRadius = 1600f / 64f, float outerRadius = 2000f / 64f, float sideLength = 4000f / 64f)
{
EnemySpawnObject enemySpawn = new EnemySpawnObject();
var rand = new Random();
var entropy = (float)rand.NextDouble();
if (waveType == WaveTypes.Ring)
{
//Set enemy spawn using MATH POWAH
//https://stackoverflow.com/questions/9048095/create-random-number-within-an-annulus
//theta = random.uniform(0,2*pi)
float theta = (float)rand.NextDouble() * (float)Math.PI * 2f;
//A = 2/(r_max*r_max - r_min*r_min)
float A = 2 / (outerRadius * outerRadius - innerRadius * innerRadius);
//r = sqrt(2*random.uniform(0,1)/A + r_min*r_min)
float r = (float)Math.Sqrt(
2 * rand.NextDouble() / (double)A + (double)innerRadius * (double)outerRadius);
var spawnPosition = new Vector2(r * (float)Math.Cos(theta), r * (float)Math.Sin(theta));
enemySpawn.InitialPosition = spawnPosition;
}
else if (waveType == WaveTypes.Corners)
{
var entropy2 = (float)rand.NextDouble();
if (entropy2 >= .5)
{
if (entropy >= .5)
{
enemySpawn.InitialPosition = new Vector2(sideLength / 2 + entropy, sideLength / 2 + entropy);
}
else
{
enemySpawn.InitialPosition = new Vector2(-sideLength / 2 + entropy, -sideLength / 2 + entropy);
}
}
else
{
if (entropy >= .5)
{
enemySpawn.InitialPosition = new Vector2(-sideLength / 2 + entropy, sideLength / 2 + entropy);
}
else
{
enemySpawn.InitialPosition = new Vector2(sideLength / 2 + entropy, -sideLength / 2 + entropy);
}
}
}
else if (waveType == WaveTypes.InsideOut)
{
enemySpawn.InitialPosition = new Vector2(entropy, -entropy);
}
var enemyType = "alien_tick";
enemySpawn.Radius = .4f;
enemySpawn.InitialRestitution = 0f;
switch (enemyStrength)
{
case EnemyStrength.Easy:
enemySpawn.EnemyType = enemyType;
enemySpawn.Speed = 9f;
enemySpawn.Damage = 2f;
enemySpawn.InitialHealth = 10f;
break;
case EnemyStrength.EasyMedium:
enemySpawn.EnemyType = enemyType;
enemySpawn.Speed = 10f;
enemySpawn.Damage = 5f;
enemySpawn.InitialHealth = 10f;
break;
case EnemyStrength.Medium:
enemySpawn.EnemyType = enemyType;
enemySpawn.Speed = 11f;
enemySpawn.Damage = 10f;
enemySpawn.InitialHealth = 15f;
break;
case EnemyStrength.Hard:
enemySpawn.EnemyType = enemyType;
enemySpawn.Speed = 12f;
enemySpawn.Damage = 25f;
enemySpawn.InitialHealth = 25f;
break;
case EnemyStrength.VeryHard:
enemySpawn.EnemyType = enemyType;
enemySpawn.Speed = 13f;
enemySpawn.Damage = 35f;
enemySpawn.InitialHealth = 30f;
break;
}
spawnQueue.Enqueue(enemySpawn);
}
