private void CalcData()
{
if (!isLoaded)
{
return;
}
Random r = new Random(GLOBALS.SEED);
double sm = 0;
double ss = 0;
for (var i = 0; i < GLOBALS.SUNS_NUM; i++)
{
var o = new obj(i, this.Width, this.Height, r, true);
sm += o.m;
ss += o.speed();
}
double mom = 0;
for (var i = GLOBALS.SUNS_NUM; i < GLOBALS.NUM_OBJECTS + GLOBALS.SUNS_NUM; i++)
{
var o = new obj(i, this.Width, this.Height, r);
sm += o.m;
mom = o.m > mom ? o.m : mom;
ss += o.speed();
}
lblMass.Text = sm.ToString("0,#.###");
lblMomentum.Text = (sm * ss).ToString("0,#.###");
lblObjMass.Text = mom.ToString("0,#.###");
}
public SolarSystem()
{
InitializeComponent();
this.Width = Screen.PrimaryScreen.WorkingArea.Width;
this.Height = Screen.PrimaryScreen.WorkingArea.Height;
this.DoubleBuffered = true;
aTimer = new System.Timers.Timer(1000 / GLOBALS.FPS);
aTimer.Elapsed += aTimer_Elapsed;
Random r = new Random(GLOBALS.SEED);
for (var i = 0; i < GLOBALS.SUNS_NUM; i++)
{
var o = new obj(i, this.Width, this.Height, r, true);
_objects.Add(o);
}
for (var i = GLOBALS.SUNS_NUM; i < GLOBALS.NUM_OBJECTS + GLOBALS.SUNS_NUM; i++)
{
var o = new obj(i, this.Width, this.Height, r);
_objects.Add(o);
}
aTimer.Enabled = true;
_center.set(this.Width / 2, this.Height / 2, (this.Width + this.Height) / 2);
}
public double distance(obj o)
{
double dx = this.p.x - o.p.x;
double dy = this.p.y - o.p.y;
double dz = this.p.z - o.p.z;
return(Math.Sqrt(dx * dx + dy * dy + dz * dz));
}
public void acc(obj o)
{
var d = this.distance(o);
var force = GLOBALS.GRAVITY * this.m * o.m / Math.Pow(d, 3);
var accelThis = force / this.m;
var accelThat = force / o.m;
double dx = this.p.x - o.p.x;
double dy = this.p.y - o.p.y;
double dz = this.p.z - o.p.z;
this.v.x -= accelThis * dx;
this.v.y -= accelThis * dy;
this.v.z -= accelThis * dz;
o.v.x += accelThat * dx;
o.v.y += accelThat * dy;
o.v.z += accelThat * dz;
}
public bool isCollided(obj o)
{
double dx = this.p.x - o.p.x;
double dy = this.p.y - o.p.y;
double dz = this.p.z - o.p.z;
var d = dx * dx + dy * dy + dz * dz;
if (Math.Abs(d) - (this.r + o.r) <= (this.r + o.r) * GLOBALS.COLLISION_THRESHOLD)
{
//new mass
var mass = this.m + o.m;
this.m += o.m;
this.r = Math.Log10(m);
//find biggest
//var oo = (this.m > o.m) ? this : o;
//biggest takes mass
//oo.m = mass;
//oo.r = Math.Log10( m );
return(true);
}
return(false);
}
private void Form1_Paint(object sender, PaintEventArgs e)
{
var m = new List <obj>();
if (IsMouseDown)
{
return;
}
FindAndCenter(e);
iYears++;
for (var i = 0; i < _objects.Count; i++)
{
var oi = _objects[i];
if (m.Contains(oi))
{
continue;
}
//if ( i != 0 && Math.Abs( _objects[i].v.x ) < 0.1 )
// MessageBox.Show( "why?" );
if (i > 0 && oi.isStray())
{
if (!GLOBALS.RESPAWN)
{
m.Add(oi);
}
else
{
_objects[i] = new obj(i, this.Width, this.Height, new Random(GLOBALS.SEED), false);
}
}
else
{
/*acc*/
for (var j = i + 1; j < _objects.Count; j++)
{
var oj = _objects[j];
if (!oi.isCollided(oj))
{
oi.acc(oj);
}
else
{
var oo = (oi.m < oj.m) ? oi : oj; //smallest goes
m.Add(oo);
var d = (float)(oo.r * 10); //smallest times 10, size of explosion
var np = new Pen(Color.FromArgb(255, GLOBALS.EXPLOSION_RING.Color.R, GLOBALS.EXPLOSION_RING.Color.G, GLOBALS.EXPLOSION_RING.Color.B), 1);
oo.Ellipse(e, GLOBALS.EXPLOSION_INNER, np, (float)oo.p.x - d / 2, (float)oo.p.y - d / 2, d);
}
}
oi.move();
oi.friction();
}
oi.draw(e);
}
foreach (var o in m)
{
_objects.Remove(o);
}
WriteStats();
}