private void T_Tick(object sender, EventArgs e)
{
//TODO make last locations faded
grp.Clear(Color.White);
if (b.Position.X + Math.Cos(angle) * 10 > bmp.Width)
{
angle = 180;
}
if (b.Position.X + Math.Cos(angle) * 10 < 0)
{
angle = 0;
}
b.Position = new Punct(b.Position + new Punct(Math.Cos(angle) * 10, 0));
grp.DrawEllipse(Pens.Black, (float)b.X - 10, (float)b.Y - 10, 20, 20);
Stack <Punct> auxSt = new Stack <Punct>();
Stack <Punct> thisSt = b.LastPositions;
for (int i = b.CountPositions; i > 0 && 0 < thisSt.Count; i--)
{
Punct p = thisSt.Peek();
auxSt.Push(thisSt.Pop());
Pen pe = new Pen(Color.FromArgb(200, Color.Blue));
grp.DrawArc(pe, (float)p.X - 10, (float)p.Y - 10, 20, 20, angle + 100 + (b.CountPositions - i) * 15, 170 - (b.CountPositions - i) * 30);
}
while (auxSt.Count > 0)
{
thisSt.Push(auxSt.Pop());
}
pictureBox1.Image = bmp;
}
public Ball(double r, Punct p, Color c, double dirsens, double viteza)
{
this.raza = r;
this.poz = p;
this.col = c;
this.dirsens = dirsens;
this.viteza = viteza;
}
public Ball(double r, Punct p, Color c, double dirsens, double viteza)
{
sumaAriilor += r * r;
this.raza = r;
this.poz = p;
this.col = c;
this.dirsens = dirsens;
this.viteza = viteza;
CountPositions = 5;//implicitly stores the last 5 positions
}
public Punct(Punct p)
{
this.x = p.x;
this.y = p.y;
}
public Ball(double r, Punct p, Color c, double dirsens, double viteza, string type) : this(r, p, c, dirsens, viteza)
{
this.type = type;
}
/// <summary>
/// Creates a Trail based on an Arc and a Color
/// </summary>
public Trail(Punct p, int width, int height, int startAngle, int sweepAngele, Color c)
: this((float)p.X, (float)p.Y, width, height, startAngle, sweepAngele, c)
{
}