public main_form()
{
InitializeComponent();
////
timer.Interval = 1;
////
screen = picbox.CreateGraphics();
screen.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.HighSpeed;
screen.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.HighSpeed;
screen.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighSpeed;
rand = new Random();
ro = 500;
teta = 3.1415 / 4;
phi = 3.1415 / 4;
x = ro * Math.Sin(phi) * Math.Cos(teta);
y = ro * Math.Sin(phi) * Math.Sin(teta);
z = ro * Math.Cos(phi);
quit = change = false;
right = left = false;
up = down = false;
zoomu = zoomb = false;
/////////////////////////////
M32Size = 20;
M32 = new Star[M32Size];
M32[0] = new Star();
M32[0].setPosition(0, 0, 0, 0, 0, 0, 5000);
for (i = 1; i < M32Size; i++)
{
double khi = 2*Math.PI * i / (M32Size-1);
int xx = rand.Next() % 300 - 150;
int yy = rand.Next() % 300 - 150;
int zz = 0;// rand.Next() % 300 - 150;
double Ro = Math.Pow(xx * xx + yy * yy + zz * zz, 0.5);
double V = Math.Pow(Star.GERAVITY * 5000 / Ro, 0.5);
double Vec = 1.1*Math.Pow(xx * xx + yy * yy, 0.5);
double vx = -yy * V / Vec;
double vy = xx * V / Vec;
M32[i] = new Star();
M32[i].setPosition(xx , yy, zz, vx, vy, 0, 200);
}
////////////////////////////
T = new Transformation(x, y, z);
}
public void Show(Star Star1,Graphics screen)
{
Brush brush;
if (Star1.available())
{
int w, h,xx,yy;
double x = Star1.X - xOfDist;
double y = Star1.Y - yOfDist;
double z = Star1.Z - zOfDist;
if (xOfCamera * x + yOfCamera * y + zOfCamera * z < xOfCamera * xOfCamera + yOfCamera * yOfCamera + zOfCamera * zOfCamera)
{
double R = Math.Pow((x - xOfCamera) * (x - xOfCamera) + (y - yOfCamera) * (y - yOfCamera) + (z - zOfCamera) * (z - zOfCamera), 0.5);
double M = 255 - (255 * R) / (R + 400);
brush = new SolidBrush(Color.FromArgb((int)M, (int)M, (int)M));
double X, Y;
X = this.GetNewX(x, y, z);
Y = this.GetNewY(x, y, z);
h = w = (int)((Math.Pow(Star1.R, 2) / Math.Pow(R * R - Math.Pow(Star1.R, 3.0 / 2), 0.5)) * 200);///2/3
xx = (int)(screen.VisibleClipBounds.Width/ 2 + X - w / 2);
yy = (int)(screen.VisibleClipBounds.Height / 2 + Y - h / 2);
screen.FillEllipse(brush, xx, yy, w, h);
}
}
}
public void Add(Star Item)
{
x=(x*mass+(Item.x)*(Item.mass))/(mass+Item.mass);
y=(y*mass+(Item.y)*(Item.mass))/(mass+Item.mass);
z=(z*mass+(Item.z)*(Item.mass))/(mass+Item.mass);
vx=(vx*mass+(Item.vx)*(Item.mass))/(mass+Item.mass);
vy=(vy*mass+(Item.vy)*(Item.mass))/(mass+Item.mass);
vz=(vz*mass+(Item.vz)*(Item.mass))/(mass+Item.mass);
mass+=Item.mass;
Item.mass=0;
Item.x=100;
Item.y=100;
Item.z=100;
Item.vx=0;
Item.vy=0;
Item.vz=0;
r=Math.Pow(mass,1/3.0);
}
public void impact(Star Item)
{
if(Item.available())
{
if(Item!=this)
{
double GM=GERAVITY*Item.mass;
double DeltaX=Item.x - x;
double DeltaY=Item.y - y;
double DeltaZ=Item.z - z;
double R3=Math.Pow(DeltaX*DeltaX+DeltaY*DeltaY+DeltaZ*DeltaZ,1.5);
if(Math.Pow(R3,1.0/3)<MIN_R)
{
if(mass>=Item.mass)
this.Add(Item);
}
else
{
ax+=(GM*DeltaX)/R3;
ay+=(GM*DeltaY)/R3;
az+=(GM*DeltaZ)/R3;
}
}
}
}
public bool compare(Star Item)
{
return true;
}