public void InitializeRandomWaves1(int nbWaves)
{
// Aucune vague n'est liée à une autre = toutes les vagues sont indépendantes
// frequence = 2 * PI / wavelength
// phase = speed * frequence
NBWAVES = nbWaves;
wave = new WaveOptions[nbWaves];
for (int w = 0; w < nbWaves; w++)
{
//mRand.Initialize();
float t = mRand.NextFloatPositive();
wave[w] = new WaveOptions();
wave[w].Len = 15f * t * mRand.NextFloatPositive();
wave[w].Amp = wave[w].Len * 0.025f;
wave[w].Speed = wave[w].Len * mRand.NextFloatPositive();
wave[w].Angle = 30f * mRand.NextFloat() * Math.Sign(mRand.Next(-2, 2));
wave[w].Dir = new Vector2((float)Math.Cos(MathHelper.ToRadians(wave[w].Angle)), (float)Math.Sin(MathHelper.ToRadians(wave[w].Angle)));
wave[w].Freq = 2f * (float)Math.PI / wave[w].Len;
wave[w].Phase = wave[w].Speed * wave[w].Freq;
System.Diagnostics.Debug.WriteLine("{" + w + "} " + wave[w].ToString());
}
}
public void InitializeRandomWaves2(int nbWaves)
{
// Les vagues sont liées à une première vague = toutes les vagues ne sont pas indépendantes
// frequence = 2 * PI / wavelength
// phase = speed * frequence
NBWAVES = nbWaves;
wave = new WaveOptions[nbWaves];
float t = mRand.NextFloatPositive();
wave[0] = new WaveOptions();
wave[0].Len = 15f; // +5f * mRand.NextFloatPositive();
wave[0].Amp = wave[0].Len * 0.025f;
wave[0].Speed = 0.15f * wave[0].Len; // wave[0].len * mRand.NextFloatPositive();
wave[0].Angle = 30f * mRand.NextFloat() * Math.Sign(mRand.Next(-2, 2));
wave[0].Dir = new Vector2((float)Math.Cos(MathHelper.ToRadians(wave[0].Angle)), (float)Math.Sin(MathHelper.ToRadians(wave[0].Angle)));
wave[0].Freq = 2f * (float)Math.PI / wave[0].Len;
wave[0].Phase = wave[0].Speed * wave[0].Freq;
//NBWAVES = nbWaves = 1; return;
for (int w = 1; w < nbWaves; w++)
{
t = mRand.NextFloatPositive();
wave[w] = new WaveOptions();
wave[w].Len = (float)w + mRand.NextFloatPositive();
wave[w].Amp = wave[w].Len * 0.025f;
wave[w].Speed = 0.15f * wave[w].Len;// wave[w].len * mRand.NextFloatPositive();
wave[w].Angle = 30f * mRand.NextFloat() * Math.Sign(mRand.Next(-2, 2));
wave[w].Dir = new Vector2((float)Math.Cos(MathHelper.ToRadians(wave[w].Angle)), (float)Math.Sin(MathHelper.ToRadians(wave[w].Angle)));
wave[w].Freq = 2f * (float)Math.PI / wave[w].Len;
wave[w].Phase = wave[w].Speed * wave[w].Freq;
}
}
private void Initialize6Waves()
{
// frequence = 2 * PI / wavelength
// phase = speed * frequence
NBWAVES = 6;
wave = new WaveOptions[NBWAVES];
wave[0] = new WaveOptions();
wave[0].Len = 3.46f;
wave[0].Amp = 0.09f;
wave[0].Speed = 1.5f;
wave[0].Angle = -18.37f;
wave[0].Dir = new Vector2((float)Math.Cos(MathHelper.ToRadians(wave[0].Angle)), (float)Math.Sin(MathHelper.ToRadians(wave[0].Angle)));
wave[0].Freq = 2f * (float)Math.PI / wave[0].Len;
wave[0].Phase = wave[0].Speed * wave[0].Freq;
wave[1] = new WaveOptions();
wave[1].Len = 2.38f;
wave[1].Amp = 0.06f;
wave[1].Speed = 0.98f;
wave[1].Angle = 11.31f;
wave[1].Dir = new Vector2((float)Math.Cos(MathHelper.ToRadians(wave[1].Angle)), (float)Math.Sin(MathHelper.ToRadians(wave[1].Angle)));
wave[1].Freq = 2f * (float)Math.PI / wave[1].Len;
wave[1].Phase = wave[1].Speed * wave[1].Freq;
wave[2] = new WaveOptions();
wave[2].Len = 5.93f;
wave[2].Amp = 0.15f;
wave[2].Speed = 0.49f;
wave[2].Angle = 1.03f;
wave[2].Dir = new Vector2((float)Math.Cos(MathHelper.ToRadians(wave[2].Angle)), (float)Math.Sin(MathHelper.ToRadians(wave[2].Angle)));
wave[2].Freq = 2f * (float)Math.PI / wave[2].Len;
wave[2].Phase = wave[2].Speed * wave[2].Freq;
wave[3] = new WaveOptions();
wave[3].Len = 6.2f;
wave[3].Amp = 0.15f;
wave[3].Speed = 1.75f;
wave[3].Angle = 21.47f;
wave[3].Dir = new Vector2((float)Math.Cos(MathHelper.ToRadians(wave[3].Angle)), (float)Math.Sin(MathHelper.ToRadians(wave[3].Angle)));
wave[3].Freq = 2f * (float)Math.PI / wave[3].Len;
wave[3].Phase = wave[3].Speed * wave[3].Freq;
wave[4] = new WaveOptions();
wave[4].Len = 3.78f;
wave[4].Amp = 0.09f;
wave[4].Speed = 1.06f;
wave[4].Angle = 24.05f;
wave[4].Dir = new Vector2((float)Math.Cos(MathHelper.ToRadians(wave[4].Angle)), (float)Math.Sin(MathHelper.ToRadians(wave[4].Angle)));
wave[4].Freq = 2f * (float)Math.PI / wave[4].Len;
wave[4].Phase = wave[4].Speed * wave[4].Freq;
wave[5] = new WaveOptions();
wave[5].Len = 8.82f;
wave[5].Amp = 0.22f;
wave[5].Speed = 0.00f;
wave[5].Angle = 12.55f;
wave[5].Dir = new Vector2((float)Math.Cos(MathHelper.ToRadians(wave[5].Angle)), (float)Math.Sin(MathHelper.ToRadians(wave[5].Angle)));
wave[5].Freq = 2f * (float)Math.PI / wave[5].Len;
wave[5].Phase = wave[5].Speed * wave[5].Freq;
}
