/// <summary>
/// Generate parameters for a random explosion sound.
/// </summary>
/// <returns>BFXR parameters.</returns>
public static BfxrParameters Explosion()
{
var p = BfxrParameters.Default();
p.Wave = BfxrWave.Noise;
if (rand.NextDouble() < 0.5)
{
p.StartFrequency = randFloat(0.1, 0.4);
p.Slide = randFloat(-0.5, -0.1);
}
else
{
p.StartFrequency = randFloat(0.2, 0.7);
p.Slide = randFloat(-0.4, -0.2);
}
p.StartFrequency = p.StartFrequency * p.StartFrequency;
if (rand.NextDouble() < 0.2)
{
p.Slide = 0;
}
if (rand.NextDouble() < 0.33)
{
p.RepeatSpeed = randFloat(0.3, 0.8);
}
p.SustainTime = randFloat(0.1, 0.4);
p.DecayTime = randFloat(0, 0.5);
p.SustainPunch = randFloat(0.2, 0.8);
if (rand.NextDouble() < 0.5)
{
p.FlangerOffset = randFloat(-0.3, 0.6);
p.FlangerSweep = randFloat(-0.3, 0);
}
if (rand.NextDouble() < 0.33)
{
p.ChangeSpeed = randFloat(0.6, 0.9);
p.ChangeAmount = randFloat(-0.8, 0.8);
}
return(p);
}
/// <summary>
/// Generate parameters for a random coin pickup sound.
/// </summary>
/// <returns>BFXR parameters.</returns>
public static BfxrParameters PickupCoin()
{
var p = BfxrParameters.Default();
p.StartFrequency = randFloat(0.4, 0.9);
p.SustainTime = randFloat(0, 0.1);
p.DecayTime = randFloat(0.1, 0.5);
p.SustainPunch = randFloat(0.3, 0.6);
if (rand.NextDouble() < 0.5)
{
p.ChangeSpeed = randFloat(0.5, 0.7);
int numer = rand.Next(1, 8);
int denom = numer + rand.Next(2, 9);
p.ChangeAmount = (double)numer / (double)denom;
}
return(p);
}
/// <summary>
/// Generate parameters for a random laser shoot sound.
/// </summary>
/// <returns>BFXR parameters.</returns>
public static BfxrParameters LaserShoot()
{
var p = BfxrParameters.Default();
switch (rand.Next(0, 12) / 5)
{
case 0:
p.Wave = BfxrWave.Square;
break;
case 1:
p.Wave = BfxrWave.Saw;
break;
case 2:
p.Wave = BfxrWave.Sine;
break;
}
p.StartFrequency = randFloat(0.5, 1.0);
p.MinFrequency = Math.Max(0.2, p.StartFrequency - randFloat(0.2, 0.8));
p.Slide = randFloat(-0.35, -0.15);
if (rand.NextDouble() < 0.33)
{
p.StartFrequency = randFloat(0, 0.6);
p.MinFrequency = randFloat(0, 0.1);
p.Slide = randFloat(-0.65, -0.35);
}
if (p.Wave == BfxrWave.Square)
{
if (rand.NextDouble() < 0.5)
{
p.SquareDuty = randFloat(0, 0.5);
p.DutySweep = randFloat(0, 0.2);
}
else
{
p.SquareDuty = randFloat(0.4, 0.9);
p.DutySweep = randFloat(-0.7, 0);
}
}
p.SustainTime = randFloat(0.1, 0.3);
p.DecayTime = randFloat(0, 0.4);
if (rand.NextDouble() < 0.5)
{
p.SustainPunch = randFloat(0, 0.3);
}
if (rand.NextDouble() < 0.33)
{
p.FlangerOffset = randFloat(0, 0.2);
p.FlangerSweep = randFloat(-0.2, 0);
}
if (rand.NextDouble() < 0.5)
{
p.HPFilterCutoff = randFloat(0, 0.3);
}
return(p);
}
/// <summary>
/// Generate parameters for a random hit or hurt sound.
/// </summary>
/// <returns>BFXR parameters.</returns>
public static BfxrParameters HitHurt()
{
var p = BfxrParameters.Default();
return(p);
}
/// <summary>
/// Generate parameters for a random powerup sound.
/// </summary>
/// <returns>BFXR parameters.</returns>
public static BfxrParameters Powerup()
{
var p = BfxrParameters.Default();
return(p);
}