public void generate_irregular_galaxy(bool rotate, int galaxysize, int starscount)//fix
{
Double x;
Double y;
Double r;
Double t;
Double z = 0;
Double curve = 0;
Random rand = new Random();
for (int j = 0; j < (starscount / 80); j++)
{
r = 0;
t = 0;
for (int i = 0; i < 40; i++)
{
r += rand.Next(4) + 2 + galaxysize;
curve = Math.Pow((r - 2), 2);
curve = curve / 150;
t += 0.2;
z = t + (rand.NextDouble() - 0.5) * 2;
x = curve + rand.Next(30) - 15;
y = curve * Math.Sin(z) + rand.Next(100) - 15;
StarSystem s = new StarSystem();
s.x = x;
s.y = -10.0 + rand.NextDouble() * 20.0;
s.z = y;
s.type = rand.Next(7); //type impact on size and color
s.name = "";
switch (s.type)
{
//O - Blue, t =30 000 — 60 000 K
case 0:
s.br = BlueBrush;
break;
//B - Light blue, t = 10 500 — 30 000 K
case 1:
s.br = LightBlueBrush;
break;
//A - White, t = 7500—10 000 K
case 2:
s.br = WhiteBrush;
break;
//F - Light Yellow, t = 6000—7200 K
case 3:
s.br = LightYellowBrush;
break;
//G - Yellow, t = 5500 — 6000 K
case 4:
s.br = YellowBrush;
break;
//K - Orange, t = 4000 — 5250 K
case 5:
s.br = OrangeBrush;
break;
//M - Red, t = 2600 — 3850 K
case 6:
s.br = RedBrush;
break;
}
galaxy.stars.Add(s);
}
}
}
public void generate_sphere_galaxy(bool rotate, int galaxysize, int starscount)
{
Double x;
Double y;
Double z = 1;
Double r;
Double t;
Double tX;
Double tY;
Double tZ;
Random rand = new Random();
t = 0;
for (int j = 0; j < starscount / 40; j++)
{
r = 0;
t += 5;
for (int i = 0; i < 40; i++)
{
r += 1;
x = Math.Cos(r) * 100 * (galaxysize + 1);
y = Math.Sin(r) * 100 * (galaxysize + 1);
tX = x * Math.Cos(t) + z * Math.Sin(t);
tZ = x * Math.Sin(t) - z * Math.Cos(t);
tY = y * Math.Cos(t) + tZ * Math.Sin(t);
StarSystem s = new StarSystem();
s.x = tX;
s.y = tZ;
s.z = tY;
s.type = rand.Next(7); //type impact on size and color
s.name = "";
switch (s.type)
{
//O - Blue, t =30 000 — 60 000 K
case 0:
s.br = BlueBrush;
break;
//B - Light blue, t = 10 500 — 30 000 K
case 1:
s.br = LightBlueBrush;
break;
//A - White, t = 7500—10 000 K
case 2:
s.br = WhiteBrush;
break;
//F - Light Yellow, t = 6000—7200 K
case 3:
s.br = LightYellowBrush;
break;
//G - Yellow, t = 5500 — 6000 K
case 4:
s.br = YellowBrush;
break;
//K - Orange, t = 4000 — 5250 K
case 5:
s.br = OrangeBrush;
break;
//M - Red, t = 2600 — 3850 K
case 6:
s.br = RedBrush;
break;
}
galaxy.stars.Add(s);
}
}
//MessageBox.Show(galaxy.stars.Count.ToString(), "Draw Galaxy", MessageBoxButtons.OK, MessageBoxIcon.Asterisk);
}
public void generate_spiral_galaxy(bool rotate, int galaxysize, int starscount)
{
Double x;
Double y;
Double z = 0;
Double r; //radius
Double t; //space beetwen stars
Double curve = 0; //statching spirals
Random rand = new Random();
//we got 40 times for inner loop, so we need divide all stars coun for 40
//and we have 2 spirals, so divide agan dy 40
//as result (starscount/80)
for (int j = 0; j < (starscount / 80); j++)
{
r = 0;
t = 0;
for (int i = 0; i < 40; i++)
{
r += rand.Next(4) + 2 + galaxysize;
curve = Math.Pow((r - 4), 2);
curve = curve / 150;
t += 0.2;
z = t + (rand.NextDouble() - 0.5) * 2;
x = curve * Math.Cos(z) + rand.Next(30) - 15;
y = curve * Math.Sin(z) + rand.Next(30) - 15;
if (rotate == true)
{
x = -x;
y = -y;
}
StarSystem s = new StarSystem();
s.x = x;
s.y = -5.0 + rand.NextDouble() * 10.0;
s.z = y;
s.type = rand.Next(7); //type impact on size and color
s.name = "";
switch (s.type)
{
//O - Blue, t =30 000 — 60 000 K
case 0:
s.br = BlueBrush;
break;
//B - Light blue, t = 10 500 — 30 000 K
case 1:
s.br = LightBlueBrush;
break;
//A - White, t = 7500—10 000 K
case 2:
s.br = WhiteBrush;
break;
//F - Light Yellow, t = 6000—7200 K
case 3:
s.br = LightYellowBrush;
break;
//G - Yellow, t = 5500 — 6000 K
case 4:
s.br = YellowBrush;
break;
//K - Orange, t = 4000 — 5250 K
case 5:
s.br = OrangeBrush;
break;
//M - Red, t = 2600 — 3850 K
case 6:
s.br = RedBrush;
break;
}
galaxy.stars.Add(s);
}
}
}
